Safety Relay Modules
HR6S
Safety Relay Modules
Improve productivity with predictive maintenance
of safety systems
Safety Relay Modules for IoT
The basis of a functional safety system is to use diagnosis to detect failures.
Redundant control systems, for example, maintain safety by detecting the occurrence of a single failure, and at the same time give user the
opportunity to replace parts. This concept, which was introduced through international standards in 1999, has adopted throughout the world
the idea of safety by control based on safety relay modules.
With the recent progress of IT technology, IoT is being promoted at factories around the world for the purpose of optimizing productivity.
The optimal allocation of resources and predictive maintenance are important in such factories. However, predictive maintenance for safety
systems that directly influence machine operation is especially important, and is indispensable for achieving both productivity and safety.
The HR6S safety relay module has advanced diagnostic functions, and can output the results. The diagnostic function, which is backed by
international standards, monitors the safety relay module and the devices that are connected to it, and contributes to predictive maintenance
for the safety system.
2
Advanced Diagnostic and Output Functions
Predictive Maintenance
Not only diagnostic results, but detailed information regarding safety-related parts such as input/output status can be acquired to prevent unintended
stops. (For details, see page 28.)
Interlock switch
Safety relay module
Tablet
Contactor
PLC
(decode)
Power supply
Signalight tower
Safety relay module
Emergency stop
switches
Operator interface
Contactor
HR6S
SAFETY RELAY MODULE
3
Connect to Various Input Devices
Dials are used to select input devices and start functions to enable safety measures for a wide variety of machines
and allows standardization of the relay module.
Setting a start function
Select from 8 types of start functions without changing the wiring.
Automatic and manual operation can be selected as well as "startup
test", which requires monitoring, cross-circuit detection, and pre-start
inspection.
(For details, see page 28.)
Setting an application function
Set up to 7 types of input devices, such as emergency stop switches,
interlock switches, light curtains, RFID devices, magnet switches,
proximity switches, two-hand control switches, and pressure-sensitive
switches.
4
HR6S
SAFETY RELAY MODULE
Protection
A sealing strip to secure the protective
cover is included, preventing the dials
from inadvertent adjustment or settings
from being changed.
P R O T E C T I V E
C O V E R
Output Expansion
Outputs can be expanded
(excluding HR6S-AB).
No wiring is required, because
expansions are connected via the
connector on the side of the unit.
O U T P U T
E X P A
N
S
I
O
N
(Example for HR6S-AK)
5
LED Display for Viewing Status at a Glance
The LED indicators display approximately 20 different states by steady or flash light, or by combining. (For details, see page 28.)
When an error occurs, its location is indicated, allowing maintenance to be performed immediately.
ERROR flashes, and S12 and
S22 flash alternately.
ERROR does not light on.
ERROR is steady, and either S12
or S22 flashes. If both flash, the
flashing synchronizes.
All LEDs light on.
Flash
Flashes
alternately
Flash
Indicates that safety-related
input is activated.
Indicates a safety input
synchronization alert.
Indicates a cross circuit in a
safety input.
Indicates that an inappropriate
function mode has been set,
or a setting has been changed
after power on.
Delay Function
Screw or Push-in
Terminal Block
By using the dials to set a combination of a coefficient from 0 to
Choose from two types: a conventional screw terminal block or
0.9 and a magnification from 1x to 1000x, time limit can be set
a highly-reliable push-in terminal block that saves wiring time.
in the range of 0 to 900 seconds.
Both are removable and easy to maintain.
Also, the external input can be used to cancel the off-delay and
immediately cut off the output. Expanded (*1) output can be set
to either instantaneous or delay.
Push-in terminal
*1: Expansion output is set to
instantaneous for 1 to 4, and to
delay output for 5 to 8.
6
Screw terminal
HR6S
SAFETY RELAY MODULE
Expansion
Module
Safety Relay Module
Category 2 Safety Relay Module
HR6S-AB
(page 8)
HR6S-AF
(page 10)
HR6S-AK
(page 12)
HR6S-AT
(page 14)
HR6S-S
(page 17)
HR6S-DN
(page 20)
HR6S-EP
(page 23)
HR5S-C2S
HR5S-C2B
HR5S-C2D
Maximum PL (*1)
c
e
e
e
e
e
e
c
d
d
Safety category (*1)
1
3, 4
3, 4
3, 4
3, 4
3, 4
3, 4
2
2
2
0, 0.1, 0.2,
0.3 ... 900
Delay (sec)
0, 0.1, 0.2,
0.3 ... 900
0.25 to 4 (*5)
Input devices that can be connected (*2)
Emergency stop switch
√√
√√
√
√√
√
√
√
√
√
Electrical switch
√√
√√
√
√√
√
√
√
√
√
Coded magnetic switch
(magnetic type)
√√
√√
√
√√
√
√
√
√
Proximity sensor
√√
√√
√
√√
√
√
RFID sensor
√√
√√
√
√√
√
√
ESPE
√√
√√
√
√√
√
√
√√
√√
1 system
1 system
1 system
2NO
2NO
(*4)
Pressure-sensitive
switch
Two-hand control switch
Parallel input for input device
Safety-related output
Instantaneous
√√
IIIA
√√
IIIA, IIIC
1 system
1 system
1 system
1 system
2 systems
6 systems
1C (SPDT)
3NO
2NO-1NC
3NO
2NO
3NO-1NC
Delay
1 system
4NO-2NC
(*3)
3NO-1NC
Output expansion
Status output
(Semiconductor)
All diagnostic results
(For details, see page 29.)
√
√
√
√
√
√
√
√
√
√
√
Safety-related output
monitor
√
Failure detection output
Number of LEDs
1NO
6
6
6
8
• First, determine the PLr and category of the safety system.
8
16
3
√
√
√
2
2
3
*3: When connecting to HR6S-AT, use the selector to select instantaneous or delay.
*4: Non-safety-related instantaneous output available.
*5: 5 types - 0.25 s, 0.5 s, 1 s, 2 s, and 4 s.
*1: NC contacts are compatible with category 1 and PLc.
*2: Although both "√" and "√√" can be connected, models indicated with "√√" is recommended for use.
When inputting multiple input devices in parallel, select either HR6S-S or HR6S-DN.
Performance level of facilities and applicable models
• When defining the performance level
of machines, a risk assessment must
be performed for each machine.
a
Production equipment
PLr
HR6S-AB
Mounter
e
Semiconductor
manufacturing equipment
HR5S CAT2
Press machines
Injection molding
machines
Machine tools
d
Industrial robots
c
Food machines
Packaging machines
b
CAT1
HR6S Series
(excluding HR6S-AB)
CAT3, 4
7
HR6S-AB Safety Relay Module
PLc achieved with Category 1 configuration
• With a variety of common input devices, the HR6S-AB can monitor twohand control devices (IIIA) that are required to comply with ISO 13851.
• Suitable for use as a self-holding circuit for selecting a wide variety of
start functions for low-risk machines.
• Output cannot be expanded using expansion modules.
HR6S-AB
Package Quantity: 1
Terminal
Part No.
Supply Voltage
Push-in terminal
HR6S-AB1C
24V AC/DC
Screw terminal
HR6S-AB1P
24V AC/DC
Sa H
ed
TÜV NORD Systems
GmbH & Co.KG
f
v
0
R6 ety
Appro005/2
S*
- 14
35.IM.135
• See website for details on approvals
and standards.
• One sealing strip (see page 26) is included with each product.
Overview of Application Functions
Monitoring of Emergency
Stop circuits as per ISO
13850 and IEC 60204-1,
stop category 0
Monitoring of guards as
per ISO 14119/14120
with interlock switches
Monitoring of two-hand
control devices, type III A
as per ISO 13851
Monitoring of proximity
switches
Monitoring of guards as
per ISO 14119/14120
with coded magnetic
switches
Monitoring of electro-sensitive
protective equipment such as
type 4 light curtains as per
IEC 61496-1
Data Functional Safety
Safety-Related Outputs
Number of relay contacts, changeover (Normally Closed to
Normally Open), instantaneous
1
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
3A
Maximum continuous current, Normally Closed relay contacts 3 A
Maximum total thermal current ∑ITHERM
3A
Minimum current
10 mA
Utilization category as per UL 60947-5-1
D300 and R300
AC-1: 250 V
AC-15: 250 V
Utilization category as per IEC 60947-4-1 and IEC 60947-5-1
DC-1: 24 V
DC-13: 24 V
AC-1: 5 A
AC-15: 3 A
DC-1: 5 A
DC-13: 2 A
Maximum current, normally open relay contacts
Maximum current, normally closed relay contacts
AC-1: 3 A
AC-15: 1 A
DC-1: 3 A
DC-13: 1 A
External fusing
6 A, category gG
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Synchronization Times
The synchronization times for the synchronization of safety-related
inputs depend on the application function. (See page 9 Function Mode
Selector and Input Device Connection Example.)
8
Monitoring of RFID
sensors
Defined safe state
Safety-related outputs are
de-energized
Normally Open: open
Normally Closed: closed
Maximum Performance Level (PL), Category
(as per ISO 13849-1:2015)
PLc, Category 1
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
1
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:2012
+AMD2:2015)
1
Type (as per IEC 61508-2)
B
Hardware Fault Tolerance
(HFT) (as per IEC 61508 and IEC 62061)
0
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0
Lifetime in years at an ambient temperature of 55 °C (131 °F) 20
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
>60 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
(as per IEC 61508 and ISO 13849-1)
1175.6 x 10-9
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
91
Average Diagnostic Coverage (DCavg)
(none as per ISO 13849-1)
—
Maximum number of cycles
over lifetime
DC-13
24V DC 2 A: 50000
AC-15
250V AC 3 A: 50000
For other specifications (common to all models), see page 25.
HR6S Safety Relay Module
HR6S-AB
Wiring
L1（+）
S1
A1
A2
S11 S12
S13
Y1
DC+ CH+ CH+
AC/DC
F1
Y2
11
Designation
B2
Z1
S1
S2
K2
M
F1
DC+ CH+
Start
Input
DC
S2
K1
Explanation
Common reference potential terminal
Pulsed output for diagnostics, not safety-related
Emergency stop switch
Start switch
Contactor
Motor
Fuse
Power
supply
Z1（*1）
B2（*1）
12
14
K2
K2
N（-）
PLC
M
*1) For B2 and Z1, see HR6S-AF.
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: No
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
Emergency stop switches
Interlock switch
Two-hand control switch
(IIIA)
Safety fence
S1
S2
S11
S12
DC+
CH+
S13
S11
CH+
S11
S12
DC+ CH+
Dial 3
S12
DC+
S13
Synchronous monitoring: 2.2 s
Dynamization: Yes
Signal interlock monitoring: No
Dial 5
Dial 6
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: No
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
1 PNP output
device
Coded magnetic switch (*2)
(1NO, 1NC)
+
S1
CH+
CH+
Dial 4
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
S13
CH+
2 OSSD
Output device
24 V
PNP
ESPE
0V
S11
DC+
S12
CH+
S13
CH+
S11
DC+
S12
CH+
OSSD
OSSD
S13
CH+
S11
DC+
S12
CH+
S13
CH+
*2: C
onnection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not available.
Note: Status of contacts in the diagram: The status of the control switch is when it is not operated. The status of the door interlock is when the door is closed.
9
HR6S-AF Safety Relay Module
Standard module for building safety systems
• Protects both the operator and the machine by immediately stopping
dangerous movements when instructed to stop by the operator or when a
failure in the safety circuit is detected.
• The most basic module for building a safety system.
Sa H
ed
TÜV NORD Systems
GmbH & Co.KG
f
v
0
R6 ety
Appro005/2
S*
- 14
35.IM.135
Output expansion
possible
• See website for details on approvals
and standards.
HR6S-AF
Package Quantity: 1
Terminal
Part No.
Supply Voltage
Push-in terminal
HR6S-AF1C
24V AC/DC
Screw terminal
HR6S-AF1P
24V AC/DC
• One sealing strip (see page 26) is included with each product.
Overview of Application Functions
Monitoring of Emergency
Stop circuits as per ISO
13850 and IEC 60204-1,
stop category 0
Monitoring of guards as
per ISO 14119/14120
with coded magnetic
switches
Monitoring of electro-sensitive
protective equipment such as
type 4 light curtains as per IEC
61496-1
Monitoring of guards as
per ISO 14119/14120
with interlock switches
Monitoring of proximity
switches
Monitoring of RFID
sensors
Safety-Related Outputs
Data Functional Safety
Number of relay contacts, Normally Open, instantaneous
3
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
6A
Maximum total thermal current ∑ITHERM
12 A
Minimum current
10 mA
Utilization category as per UL 60947-5-1
B300 and R300
AC-1: 250 V
AC-15: 250 V
Utilization category as per IEC 60947-4-1 and IEC 60947-5-1
DC-1: 24 V
DC-13: 24 V
Maximum current, normally open relay contacts
AC-1: 5 A
AC-15: 3 A
DC-1: 5 A
DC-13: 3 A
External fusing
10 A, category gG
Defined safe state
Safety-related outputs are
de-energized
open
Maximum Performance Level (PL), Category
(as per ISO 13849-1:2015)
PL e, Category 4
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
Normally Open: 3
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:2012
+AMD2:2015)
Normally Open: 3
Type (as per IEC 61508-2)
B
Hardware Fault Tolerance
(HFT) (as per IEC 61508 and IEC 62061)
1
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0
Lifetime in years at an ambient temperature of 55 °C (131 °F) 20
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Synchronization Times
The synchronization times for the synchronization of safety-related
inputs depend on the application function. (See page 11 Function Mode
Selector and Input Device Connection Example.)
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
99 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
1.13 x 10-9
(as per IEC 61508 and ISO 13849-1)
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
2,000
Average Diagnostic Coverage (DCavg)
(as per ISO 13849-1)
≥99 %
DC-13
Maximum number of cyclesover lifetime AC-1
AC-15
24V DC 1 A: 1,200,000
24V DC 3 A: 180,000
250V AC 4 A: 180,000
250V AC 1 A: 70,000
250V AC 5 A: 39,000
For other specifications (common to all models), see page 25.
HR6S Safety Relay Module
HR6S-AK
Wiring
Designation
L1(+)
K3
S1
S2
K4
F1
EXT
F2
S1
S2
K3, K4
PLC
F1, F2
ESC
A2
S11 S12
AC/DC
Y2
13
DC+ CH+
DC+ CH+
Input
Start
DC
Power
supply
Y1
23
31
K3
K1
EXT
A1
K2
Input (*1)
*1:The application function sets the negative
safe-related input according to the input
device.
K4
DC+(-) CH+(-)
S1
N(-)
Z1
Semiconductor pulse output
（DC24V）
Common reference potential（0V）
S21 S22 B2
14
K3
24
K4
Explanation
Connector for optional
expansion module
Emergency stop switch
Start switch
Contactor
Programmable controller
Fuse
32
M
PLC
Input1
COM（0V）
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: Yes
Dial 3
Synchronous monitoring: 2 s / 4 s (S12 first / S22 first) Synchronous monitoring: 0.5 s
Dynamization: Yes
Dynamization: Yes
Signal interlock monitoring: Yes
Signal interlock monitoring: No
Emergency stop
switches
Coded magnetic
switch
(2 NO) (*2)
Interlock switch
Interlock switch
(1 NO, 1 NC)
Coded magnetic switch Proximity switch
(1 NO, 1 NC) (*2)
(1 NO, 1 NC)
Safety fence
S11
S12
DC+ CH+
S21
S22
DC+ CH+
S21
S22
S11
S12
DC+ CH+
DC+ CH+
S11 S12
S21 S22
DC+ CH+
DC+ CH+
Dial 4
Dial 6
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
S21
S22
S11
S12
DC+ CH+
DC+ CH+
Dial 5
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Dial 7
Synchronous monitoring: No
Dynamization: No
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Signal interlock monitoring: Yes
2 PNP
+ PNP
A
S11 S12
DC+ CH+
+ PNP
1 PNP + 1 NPN
+
A
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
A
S11 S12
DC+ CH+
S21 S22
DC+ CH+
Dial 9
Dial 8
+
-
PNP
-
NPN
A
S21 S22
DC- CH-
Dial 10
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Pressure-sensitive switch
2 OSSD
24 V
ESPE
S11
DC+
S12
CH+
S21
DC-
S22
CH-
0V
OSSD
OSSD
S11
S12 S21 S22
DC+ CH+ DC+ CH+
*2: Connection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not available.
13
HR6S-AT Safety Relay Module
Equipped with time delay output for Stop Category 0 and Stop Category 1
• Protects both the operator and the machine by immediately stopping
dangerous movements (stop category 0) when instructed to stop by the
operator or or when a failure in the safety circuit is detected. Also, the
safety module is equipped with a stop category 1 delay output, which
allows the motor to stop after deceleration.
Output expansion
possible
• The selector on the front can be used to set the delay time to a value from
0.1 seconds to 15 minutes. (Can also be set to 0 seconds.)
• The delay output can be canceled by the S21-S22 or S31-S32 terminal
(vacant terminal), and the delay output is immediately cut off when
canceled.
HR6S-AT
Package Quantity: 1
Sa H
f
Push-in terminal
HR6S-AT1C
24V AC/DC
Screw terminal
HR6S-AT1P
24V AC/DC
v
R6 ety
Appro005/2
S*
- 14
35.IM.135
Supply Voltage
0
Part No.
ed
TÜV NORD Systems
GmbH & Co.KG
Terminal
• See website for details on approvals
and standards.
• -One sealing strip (see page 26) is included with each product.
Overview of Application Functions
Monitoring of Emergency
Stop circuits as per ISO
13850 and IEC 60204-1,
stop category 0, 1
Monitoring of guards as
per ISO 14119/14120
with coded magnetic
switches
Monitoring of electro-sensitive
protective equipment such as
type 4 light curtains as per
IEC 61496-1
Monitoring of guards as
per ISO 14119/14120
with interlock switches
Monitoring of proximity
switches
Monitoring of RFID
sensors
Safety-Related Outputs
Delay Times for Delay Function of Safety-Related Outputs
Number of relay contacts, Normally Open, instantaneous 3
Number of relay contacts, Normally Open, delayed
3
Number of relay contacts, Normally Closed, delayed
1
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
6A
Maximum continuous current, Normally Closed relay contacts
3A
Maximum total thermal current ∑ITHERM
12 A
Minimum current
10 mA
Utilization category as per UL 60947-5-1
B300 and R300 for Normally
Open contacts
D300 and R300 for Normally
Closed contacts
Utilization category as per IEC 60947-4-1 and
IEC 60947-5-1
AC-1: 250 V
AC-15: 250 V
DC-1: 24 V
DC-13: 24 V
Maximum current, normally open relay contacts
AC-1: 5 A
AC-15: 3 A
DC-1: 5 A
DC-13: 3 A
Maximum current, normally closed relay contacts
AC-1: 3 A
AC-15: 1 A
DC-1: 3 A
DC-13: 1 A
External fusing
10 A, category gG, for Normally
Open
4 A, category gG, for Normally
Closed
14
Monitoring of pressuresensitive 4-wire
protective devices such
as mats or edges as
per ISO 13856
Possible values
0 s, 0.1 s, 0.2 s, 0.3 s, 0.4 s, 0.5 s, 0.6 s, 0.7 s,
0.8 s, 0.9 s, 1 s, 2 s, 3 s, 4 s, 5 s, 6 s, 7 s, 8 s,
9 s, 10 s, 20 s, 30 s, 40 s, 50 s, 60 s, 70 s, 80 s,
90 s, 100 s, 200 s, 300 s, 400 s, 500 s, 600 s,
700 s, 800 s, 900 s
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Synchronization Times
The synchronization times for the synchronization of safety-related
inputs depend on the application function. (See page 16 Function Mode
Selector and Input Device Connection Example.)
For other specifications (common to all models), see page 25.
HR6S Safety Relay Module
HR6S-AT
Data Functional Safety
Defined safe state
Safety-related outputs are de-energized
Normally Open: open
Normally Closed: closed
Maximum Performance Level (PL), Category (as per
ISO 13849-1:2015)
Normally Open: PLe, Category 4
Normally Closed: PLc, Category 1
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
Normally Open: 3
Normally Closed: 1
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:2012+
AMD2:2015)
Normally Open: 3
Normally Closed: 1
Type (as per IEC 61508-2)
B
Hardware Fault Tolerance (HFT) (as per IEC 61508
and IEC 62061)
1
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0 or 1
Lifetime in years at an ambient temperature of 55 °C (131 °F)
20
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
>99 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
(as per IEC 61508 and ISO 13849-1)
0.94 × 10-9 for Stop Category 0
0.95 × 10-9 for Stop Category 1
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
2,400 for Stop Category 0
2,300 for Stop Category 1
Average Diagnostic Coverage (DCavg)
(as per ISO 13849-1)
≥99 %
24V DC 1 A: 1200000 with Stop Category 0
24V DC 1 A: 1200000 with Stop Category 1
DC-13
24V DC 3 A: 180000 with Stop Category 0
24V DC 3 A: 275000 with Stop Category 1
Maximum number of cycles
over lifetime
250V AC 4 A: 180000 with Stop Category 0
AC-1
250 VAC 4 A: 90000 with Stop Category 1
250V AC 1 A: 70000 with Stop Category 0
250V AC 1 A: 90000 with Stop Category 1
AC-15
For other specifications (common to all
models), see page 25.
250V AC 3 A: 39000 with Stop Category 0
250V AC 3 A: 60000 with Stop Category 1
Wiring Example
L1 (+)
Designation
K5
K6
S1
F1
S2
EXT
F2 F3
S1
S2
S3
K3, K4
PLC
F1, F2, F3
ESC
A2
S11 S12
Y1
Z1（*）
Y2
DC+ CH+ DC+ CH+
AC/DC
Input
Start
Input (*1)
Input (*1)
DC
Power
supply
S1
N(-)
23 33 47 57
67 75
K1
K2
K3
*1:Inputs that are not used for safety device
inputs can be used to cancel the delay
function for safety-related outputs.
*2:Turns off while a safety-related output is on
or when an error is detected.
K4
DC+ CH+ DC- CHB2* S21 S22 S31
13
EXT
A1
S32
Z2
(*2) (*3)
S3
14 24 34 48 58
68 76
K5 K6
Motor
controller
Operation command
*3: Connection to additional non-safety-related outputs
HR6S-AT1※
PLC
Z1 Semiconductor pulse output Input1
（DC24V）
Z2 Semiconductor binary output
Input2
（DC24V）
B2 Common reference potential
COM（0V）
（0V）
Explanation
Connector for optional
expansion module
Emergency stop switch
Start switch
Off-delay cancel switch
Contactor
Programmable controller
Fuse
K5
K6
M
15
HR6S Safety Relay Module
HR6S-AT
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: Yes
Dial 3
Synchronous monitoring: 2 s / 4 s (S12 first / S22 first)
Dynamization: Yes
Signal interlock monitoring: Yes
Emergency stop
switches
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
Coded magnetic switch
(2 NO) (*2)
Interlock switch
Interlock switch
(1 NO, 1 NC)
Coded magnetic switch Proximity switch
(2 NO, 1 NC) (*1)
(1 NO, 1 NC)
Safety fence
S11
S12
DC+ CH+
S21
S22
DC+ CH+
S11 S12
DC+ CH+
Dial 4
S21 S22
DC+ CH+
S21
S22
S11
S12
DC+ CH+
DC+ CH+
Dial 6
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
S21
S22
S11
S12
DC+ CH+
DC+ CH+
Dial 7
Dial 5
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 PNP
+
+
PNP
A
S11 S12
DC+ CH+
Dial 8
1 PNP + 1 NPN
+
PNP
A
+
A
S11 S12
DC+ CH+
S21 S22
DC+ CH+
Dial 9
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
PNP
-
NPN
A
S31 S32
DC- CH-
Dial 10
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Pressure-sensitive
switch
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 OSSD
24 V
ESPE
0V
S11
DC+
S12
CH+
S31
DC-
S32
CH-
OSSD
OSSD
S11
S12 S21 S22
DC+ CH+ DC+ CH+
*2: Connection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not available. Also, for
2NO, use dial 1 or 2.
Note: Status of contacts in the diagram: The status of the control switch is when it is not operated. The status of the door interlock is when the door is closed.
16
HR6S-ABSafety
HR6S-S
SafetyRelay
Module
Module
Monitoring of two hand control devices (IIIA or IIIC)
• Monitors two-hand control devices (IIIA or IIIC) that are required to comply
with International Standard ISO 13851.
• IIIC can monitor two-hand pushbuttons for synchronization within 0.5
seconds.
Output expansion
possible
• If one of the two buttons is released during operation, the control
sequence is canceled.
• Connects up to two input devices in parallel (except for two-hand control
devices (IIIC)). (Outputs are enabled when all inputs are enabled.)
HR6S-S
Package Quantity: 1
Terminal
Part No.
Supply Voltage
Screw terminal
HR6S-S1P
24V AC/DC
f
v
R6 ety
Appro005/2
S*
- 14
35.IM.135
0
24V AC/DC
Sa H
HR6S-S1C
ed
TÜV NORD Systems
GmbH & Co.KG
Push-in terminal
• See website for details on approvals
and standards.
• - One sealing strip (see page 26) is included with each product.
Overview of Application Functions
Monitoring of Emergency
Stop circuits as per ISO
13850 and IEC 60204-1,
stop category 0
Monitoring of two-hand
control devices,
type III C
as per ISO 13851
Monitoring of proximity
switches
Monitoring of guards as
per ISO 14119/14120
with interlock switches
Monitoring of guards as
per ISO 14119/14120
with coded magnetic
switches
Monitoring of electrosensitive protective
equipment such as type
4 light curtains as per
IEC 61496-1
Monitoring of RFID
sensors
Data Functional Safety
Safety-Related Outputs
Safety-related outputs are deenergized
Normally Open: open
Number of relay contacts, Normally Open, instantaneous
2
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
6A
Maximum total thermal current ∑ITHERM
12 A
Minimum current
10 mA
Utilization category as per UL 60947-5-1
B300 and R300
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
Normally Open: 3
Utilization category as per IEC 60947-4-1 and IEC 60947-5-1
AC-1: 250 V
AC-15: 250 V
DC-1: 24 V
DC-13: 24 V
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:
2012+AMD2:2015)
Normally Open: 3
Type (as per IEC 61508-2)
B
Maximum current, normally open relay contacts
AC-1: 5 A
AC-15: 3 A
DC-1: 5 A
DC-13: 3 A
Hardware Fault Tolerance (HFT)
(as per IEC 61508 and IEC 62061)
1
10 A, category gG
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0
External fusing
Defined safe state
Maximum Performance Level (PL), Category (as per ISO
Normally Open: PLe, Category 4
13849-1:2015)
Lifetime in years at an ambient temperature of 55 °C (131 °F) 20
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Synchronization Times
The synchronization times for the synchronization of safety-related
inputs depend on the application function. (See page 18 to 19 Function
Mode Selector and Input Device Connection Example.)
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
>99 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
(as per IEC 61508 and ISO 13849-1)
1.13 × 10-9
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
2,000
Average Diagnostic Coverage (DCavg)
(as per ISO 13849-1)
≥99 %
DC-13
Maximum number of cycles over lifetime AC-1
For other specifications (common to all models), see page 25.
AC-15
24V DC 1 A: 1200000
24V DC 3 A: 180000
250V AC 4 A: 180000
250V AC 1 A: 70000
250V AC 5 A: 39000
17
HR6S Safety Relay Module
HR6S-S
Wiring Example
L1(+)
Designation
WH BN+
HS7ADM
BK
A1
A2
K3
F1
Y1
Y2
DC+ CH+ CH+
DC+ CH+
Input
Start
DC
S1, S2
S3
K3, K4
PLC
F1, F2
13
23
14
24
K3
K4
K1
K2
Input
Power
supply
EXT
F2
ESC
BU
S11 S12 S13
AC/DC
S3
K4
Explanation
Connector for optional
expansion module
Non-contact interlock switch
Start switch
Contactor
Programmable controller
Fuse
EXT
S1
DC+ CH+ CH+
HS7ADM
WH BN+
Z1
Semiconductor pulse output
S2
N(-)
B2
BU
K3
K4
（DC24V）
BK
Common reference potential（0V）
S21 S22 S23
PLC
Input1
COM（0V）
M
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Dial 3
Synchronous monitoring: 2 s / 4 s (S12 first / S22 first) Synchronous monitoring: 0.5 s
Dynamization: Yes
Dynamization: Yes
Signal interlock monitoring: Yes
Signal interlock monitoring: No
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: Yes
Interlock switch
Emergency stop switches
Two-hand control switch (IIIA)
安全柵
安全柵
S1
S1
S2
S2
S11
S12
S13
DC+ CH+
S21
CH+
S22
S23
DC+ CH+
S11 S12 S13
CH+
S11
S21 S22 S23
DC+ CH+ CH+
Dial 4
S12
DC+
DC+ CH+ CH+
S13
CH+
CH+
Dial 5
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
Two-hand control switch (IIIC)
Interlock switch
(1 NO, 1 NC)
S1
S11
DC+
S12
CH+
Coded magnetic switch Proximity switch
(1 NO, 1 NC) (*1)
(1 NO, 1 NC)
S2
S13
CH+
S21
DC+
S22
CH+
S23
CH+
S11
DC+
S12
CH+
S13
CH+
S21
DC+
S22
CH+
S23
CH+
*1: C
onnection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not
available.
18
HR6S Safety Relay Module
Dial 7
Dial 8
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
Dial 9
Dial 10
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronous monitoring: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 OSSD × 2
2 PNP × 2
+
+
-
+
-
+
PNP
PNP
S11 S12
S13
DC+ CH+ CH+
-
24 V
-
ESPE
24 V
PNP
PNP
S21 S22
S23
DC+ CH+ CH+
0V
S11
DC+
ESPE
OSSD
S12
CH+
OSSD
S13
CH+
0V
S21
DC+
OSSD
S22
CH+
OSSD
S23
CH+
19
HR6S-AB Safety Module
HR6S-DN
Relay Module
Up to 6 safety-related inputs can be connected
• Protects both the operator and the machine by immediately stopping
dangerous movements when instructed to stop by the operator or or
when a failure in the safety circuit is detected.
• Connects up to 6 input devices in parallel.
(Outputs are enabled when all inputs are enabled.)
Output expansion
possible
HR6S-DN
Package Quantity: 1
Terminal
Part No.
Supply Voltage
Push-in terminal
HR6S-DN1C
24V AC/DC
Screw terminal
HR6S-DN1P
24V AC/DC
• - One sealing strip (see page 26) is included with each product.
• See website for details on approvals
and standards.
Sa H
ed
TÜV NORD Systems
GmbH & Co.KG
f
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0
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Appro005/2
S*
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35.IM.135
Overview of Application Functions
Monitoring of Emergency
Stop circuits as per ISO
13850 and IEC 60204-1,
stop category 0
Monitoring of guards as
per ISO 14119/14120
with coded magnetic
switches
Monitoring of electro-sensitive
protective equipment such as
type 4 light curtains as per
IEC 61496-1
Monitoring of guards as
per ISO 14119/14120
with interlock switches
Monitoring of proximity
switches
Monitoring of RFID
sensors
Data Functional Safety
Safety-Related Outputs
Number of relay contacts, Normally Open, instantaneous
3
Number of relay contacts, Normally Closed, instantaneous 1
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
6A
Maximum continuous current, Normally Closed relay contacts
3A
Maximum total thermal current ∑ITHERM
12 A
Minimum current
10 mA
Utilization category as per UL 60947-5-1
Utilization category as per IEC 60947-4-1 and IEC 60947-5-1
Maximum current, normally open relay contacts
Maximum current, normally closed relay contacts
External fusing
B300 and R300 for Normally
Open contacts
D300 and R300 for Normally
Closed contacts
AC-1: 250 V
AC-15: 250 V
DC-1: 24 V
DC-13: 24 V
AC-1: 5 A
AC-15: 3 A
DC-1: 5 A
DC-13: 3 A
AC-1: 3 A
AC-15: 1 A
DC-1: 3 A
DC-13: 1 A
10 A, category gG, for
Normally Open
4 A, category gG, for Normally
Closed
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Defined safe state
Safety-related outputs are de-energized
Normally Open: open
Normally Closed: closed
Maximum Performance Level (PL), Category
(as per ISO 13849-1:2015)
Normally Open: PLe, Category 4
Normally Closed: PLc, Category 1
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
Normally Open: 3
Normally Closed: 1
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:2012+
AMD2:2015)
Normally Open: 3
Normally Closed: 1
Type (as per IEC 61508-2)
B
Hardware Fault Tolerance (HFT) (as per IEC 61508 and
1
IEC 62061)
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0
Lifetime in years at an ambient temperature of 55 °C (131 °F) 20
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
>99 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
0.88 × 10-9
(as per IEC 61508 and ISO 13849-1)
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
2,500
Average Diagnostic Coverage (DCavg)
(as per ISO 13849-1)
≥99 %
DC-13
Maximum number of cycles
over lifetime
AC-1
AC-15
24V DC 1 A: 1200000
24V DC 3 A: 275000
250V AC 4 A: 90000
250V AC 1 A: 90000
250V AC 5 A: 60000
Synchronization Times
The synchronization times for the synchronization of safety-related
inputs depend on the application function. (See page 21 to 22 Function
Mode Selector and Input Device Connection Example.)
20
For other specifications (common to all models), see page 25.
HR6S Safety Relay Module
HR6S-DN
Wiring Example
Designation
L1(+)
S5 WH BN+
HS7ADM
BK
BK
BK
BU
BU
K3
Y1
DC+ CH+ CH+ DC+ CH+ CH+ DC+ CH+ CH+
DC
Power
supply
Input
Input
Input
Input
Input
Input
EXT
F1 F2
S1 to S6
S3
K3, K4
PLC
F1, F2
ESC
BU
S11 S12 S13 S31 S32 S33 S51 S52 S53
AC/DC
S7
K4
Y2
13 23
33 41
DC+ CH+
Start
K1
Explanation
Connector for optional
expansion module
Non-contact interlock switch
Start switch
Contactor
Programmable controller
Fuse
EXT
A2
S3 WH BN+
HS7ADM
K2
DC+ CH+ CH+ DC+ CH+ CH+ DC+ CH+ CH+
N(-)
BU
BK
BU
BK
B2
BU
HS7ADM
HS7ADM
HS7ADM
S2 WH BN+
S4 WH BN+
S6 WH BN+
14 24
Z1
Semiconductor pulse output
BK
34 42
K3
K3 K4
（DC24V）
S21 S22 S23 S41 S42 S43 S61 S62 S63
Common reference potential（0V）
A1
S1 WH BN+
HS7ADM
K4
PLC
Input1
M
COM（0V）
Function Mode Selector and Input Device Connection Example
Dial 1
Dial 2
Synchronous monitoring: No
Dynamization: Yes
Signal interlock monitoring: Yes
Synchronous monitoring: 2 s / 4 s (S12 first / S22 first)
Dynamization: Yes
Signal interlock monitoring: Yes
Emergency stop switches × 6
S11
S12
DC+ CH+
S13
CH+
S21
S22
DC+
B
D
F
A
C
E
S23
CH+
Interlock switches × 6
CH+
S31
S32
DC+ CH+
S33
S41
CH+
S42
DC+ CH+
S43
CH+
S51
S52
DC+
Dial 3
CH+
S61
S62
DC+
S63
CH+
CH+
Dial 4
Synchronous monitoring: 0.5 s
Dynamization: Yes
Signal interlock monitoring: No
Synchronization: 2.2 s
Dynamization: Yes
Signal interlock monitoring: No
Interlock switches × 6
(1 NC, 1 NO)
S13
S11
S12
DC+
CH+
CH+
S53
CH+
S23
S21
S22
DC+
CH+
CH+
Proximity switches × 6
(1 NC, 1 NO)
S33
S31
S32
DC+
CH+
CH+
S43
S41
S42
DC+
CH+
CH+
Coded magnetic switches × 6
(1 NC, 1 NO) (*1)
S53
S51
S52
DC+
CH+
CH+
S63
S61
S62
DC+
CH+
CH+
*1: C
onnection examples for coded magnetic switches such as HS7A (IDEC) are also included on the instruction sheet, but certifications are not available.
Note: Status of contacts in the diagram: The status of the control switch is when it is not operated. The status of the door interlock is when the door is closed.
21
HR6S Safety Relay Module
HR6S-DN
Dial 5
Dial 6
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronization: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 PNP × 6
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
+
PNP
S11 S12
S13
DC+ CH+ CH+
S21 S22
S23
DC+ CH+ CH+
S31 S32
S33
DC+ CH+ CH+
S41 S42
S43
DC+ CH+ CH+
S51 S52
S53
DC+ CH+ CH+
Dial 7
S61 S62
S63
DC+ CH+ CH+
Dial 8
Synchronous monitoring: No
Dynamization: No
Signal interlock monitoring: Yes
Synchronization: 0.5 s
Dynamization: No
Signal interlock monitoring: Yes
2 OSSD × 6
24 V
24 V
ESPE
0V
S11
DC+
22
24 V
ESPE
OSSD
S12
CH+
OSSD
S13
CH+
0V
S21
DC+
24 V
ESPE
OSSD
S22
CH+
OSSD
S23
CH+
0V
S31
DC+
24 V
ESPE
OSSD
S32
CH+
OSSD
S33
CH+
0V
S41
DC+
24 V
ESPE
OSSD
S42
CH+
OSSD
S43
CH+
0V
S51
DC+
ESPE
OSSD
S52
CH+
OSSD
S53
CH+
0V
S61
DC+
OSSD
S62
CH+
OSSD
S63
CH+
HR6S-AB Expansion
HR6S-EP
Safety Module
Module
Module for Extending Safety-Related Outputs
• 4 NO + 2 NC outputs can be added with the HR6S-EP.
• When connected to the HR6S-AT, you can use the HR6S-AT selector to
select either instantaneous output or the delayed output.
Sa H
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• See website for details on approvals
and standards.
HR6S-EP
Package Quantity: 1
Terminal
Part No.
Supply Voltage
Push-in terminal
HR6S-EP1C
24V AC/DC
Screw terminal
HR6S-EP1P
24V AC/DC
*Not applicable to HR6S-AB
• - One sealing strip (see page 26) is included with each product.
Safety-Related Outputs
Data Functional Safety
Number of relay contacts, Normally Open (*1)
4
Number of relay contacts, Normally Closed (*1)
2
Maximum short circuit current IK
1 kA
Maximum continuous current, Normally Open relay contacts
6A
Maximum continuous current, Normally Closed relay contacts 3 A
Maximum total thermal current ∑ITHERM
12 A
Minimum current
10 mA
B300 and R300 for Normally
Open contacts
Utilization category as per UL 60947-5-1
D300 and R300 for Normally
Closed contacts
AC-1: 250 V
AC-15: 250 V
Utilization category as per IEC 60947-4-1 and IEC 60947-5-1
DC-1: 24 V
DC-13: 24 V
AC-1: 5 A
AC-15: 3 A
Maximum current, normally open relay contacts
DC-1: 5 A
DC-13: 3 A
AC-1: 3 A
AC-15: 1 A
Maximum current, normally closed relay contacts
DC-1: 3 A
DC-13: 1 A
External fusing
10 A, category gG, for Normally Open
4 A, category gG, for Normally Closed
*1:Depending on the configuration of the base safety module, the relay contacts
can be used as instantaneous or delayed relay contacts.
Defined safe state
Safety-related outputs are de-energized
Normally Open: open
Normally Closed: closed
Maximum Performance Level (PL), Category
(as per ISO 13849-1:2015)
Normally Open: PLe, Category 4
Normally Closed: PLc, Category 1
Maximum Safety Integrity Level (SIL)
(as per IEC 61508-1:2010)
Normally Open: 3
Normally Closed: 1
Safety Integrity Level Claim Limit (SILCL)
(as per IEC 62061:2005+AMD1:2012+
AMD2:2015)
Normally Open: 3
Normally Closed: 1
Type (as per IEC 61508-2)
A
Hardware Fault Tolerance (HFT)
(as per IEC 61508 and IEC 62061)
1
Stop Category for Emergency Stops
(as per ISO 13850 and IEC 60204-1)
0 or 1, depends on base safety
module
Lifetime in years at an ambient temperature of 55 °C (131 °F) 20
Safe Failure Fraction (SFF)
(as per IEC 61508 and IEC 62061)
>99 %
Probability of Dangerous Failure per hour (PFHD) in 1/h
0.97 × 10-9
(as per IEC 61508 and ISO 13849-1)
Mean Time To Dangerous Failure (MTTFD) in years
(as per ISO 13849-1)
2,300
Average Diagnostic Coverage (DCavg)
(as per ISO 13849-1)
≥99 %
DC-13
Additional Non-Safety-Related Outputs
Output voltage
24V DC
Maximum current
20 mA
Maximum number of cycles
over lifetime
AC-1
AC-15
24V DC 1 A: 1200000
24V DC 3 A: 275000
250V AC 4 A: 90000
250V AC 1 A: 90000
250 VAC 5 A: 60000
For other specifications (common to all models), see page 25.
23
HR6S Safety Relay Module
HR6S-EP
Wiring Example (When connecting to HR6S-AF)
L1(+)
N(-)
K3
K4
K5
K6
S1
S2
F1
F3
F2
F4
ESC
A1
A2
AC/DC
S11 S12
Y1
Y2
13
DC+ CH+
DC+ CH+
Input
Start
DC
Power
supply
23
33
A2
13
23
33
43
51
61
14
K5
24
K6
34
44
52
62
AC/DC
DC
K1
K2
Input
A1
Power
supply
K1
K2
DC+ CH+
S1
Z1
Semiconductor pulse output
（DC24V）
S21 S22 B2
Common reference potential（0V）
HR6S-AF1*
14
K3
24
K4
34
HR6S-EP1*
PLC
入力1
COM（0V）
K3
K5
K4
K6
M1
Designation
S1
S2
K3 to K6
PLC
F1 to F4
24
Explanation
Emergency stop switch
Start switch
Contactor
Programmable controller
Fuse
M2
HR6S Safety Relay Module
Common Specifications
Applicable Standards
Electrical Data
IEC 61508:2010
IEC 62061:2015
ISO 13849-1:2015
IEC 60947-5-1:2016
IEC 60947-1:2007
UL60947-5-1
CAN/CSA C22.2 No. 60947-5-1
GB/T14048.5-2017
Applicable Standards
Environmental Characteristics for Operation
Maximum installation altitude above mean
2,000 m
sea level
Installation required in control cabinet/
enclosure with degree of protection
IP54
The device complies with class 3K5 and special class 3Z11 as per IEC
60721-3-3 (climatic conditions):
Ambient temperature
Temperature variation rate
Ambient humidity
6.5 VA (24V AC), 3 W (24V DC)
HR6S-DN
10.5 VA (24V AC), 4.5W (24V DC)
Overvoltage category
II
Pollution degree
2
Insulation voltage
300 V
Impulse withstand voltage
4 kV
Conducted and radiated emissions
as per IEC CISPR 11
Group 1 / Class B
Usage in environment as per IEC/UL
60947-1
Environment B
Wire Cross Sections, Stripping Lengths, and
Tightening Torques
12 mm
Stripping length for screw terminals
7 to 8 mm
0.5 °C/min
5 to 95 % relative humidity (no condensation)
3 mm
100 m/s2
1 mm
Vibration, sinusoidal, acceleration amplitude
7 m/s2
13.2 to 100 Hz
Shock, shock pulse shape: half-sine,
peak acceleration
5 VA (24V AC), 2 W (24V DC)
HR6S-AT
Stripping length for Push-in terminals
The device complies with the following vibration and shock values as
per IEC 60947-1:
Vibration, sinusoidal, displacement
amplitude 2 to 13 Hz
3.5 VA (24V AC), 1.5 W (24V DC)
HR6S-AF / AK
24 VAC: -25 to +50 °C (no freezing)
24V DC: -25 to +55 °C (no freezing)
Vibration, sinusoidal, acceleration amplitude
10 m/s2
9 to 200 Hz
Shock, shock pulse shape: half-sine,
peak acceleration
HR6S-AB / EP
-25 to +55 °C (no freezing)
The device complies with class 3M4 as per IEC 60721-3-3 (mechanical
conditions):
Vibration, sinusoidal, displacement amplitude
2 to 9 Hz
Nominal input
power
150 m/s2
Environmental Characteristics for Storage
The device complies with class 1K5 as per IEC 60721-3-1 (climatic
conditions):
Wire cross section
HR6S-DN
24V AC -15 to 10 % 50 to 60 Hz
24V DC -20 to 20 %
Supply voltage
Single wire without wire ferrule (*1)
0.2 to 2.5 mm2 (24 to 12 AWG)
Single wire with wire ferrule
0.25 to 2.5 mm2 (24 to 12 AWG)
Two wires without wire ferrule (*1)
0.2 to 1.5 mm2 (24 to 16 AWG)
Two wires with uninsulated wire ferrule 0.25 to 1 mm2 (24 to 18 AWG)
Two wires with insulated wire ferrule 0.5 to 1.5 mm2 (20 to 16 AWG)
Tightening torque for screw terminals
0.5 to 0.6 N m
*1: Stranded or solid
Timing Data
Maximum response time to request at
safety-related input
20 ms
Maximum response time after power
outage AC
140 ms (HR6S-EP)
200 ms
Maximum response time after power
outage DC
100 ms (HR6S-EP)
120 ms
140 ms (HR6S-DN / AT)
Recovery time after request at safety-related
input
200 ms
Switch on delay after
power on and automatic start
2500 ms
3000 ms (HR6S-DN)
Delay after activation of safety-related
input or valid start condition
100 ms
Delay after power on and monitored start
2500 ms
3000 ms (HR6S-DN)
Minimum duration of start pulse
for monitored start
80 ms
Debounce time, standard
2.5 ms
Ambient temperature
-40 to 70 °C, no freezing
Debounce time, with OSSD
4 ms
Ambient humidity
10 to 100 % relative humidity,
no condensation
Signal interlock monitoring time
200 ms
Dynamization of Safety-Related Inputs and Start Input
The device complies with class 2M2 as per IEC 60721-3-2 (mechanical
conditions):
(except HR6S-EP)
Vibration, sinusoidal,
displacement amplitude 2 to 9 Hz
1.5 mm
Test pulse duration (safety-related input
must be activated for longer than duration 2 ms
of test pulse)
Vibration, sinusoidal,
acceleration amplitude 9 to 200 Hz
5 m/s2
Test pulse interval
500 ms
1000 ms (HR6S-DN)
Shock, shock response spectrum type L,
peak acceleration
40 m/s2
Maximum delay of test pulse
40 ms
Test pulse phase shift
At least 70 ms
25
HR6S Safety Relay Module
Accessories
Name / Appearance
Part No.
Package Quantity
HR9Z-EC
30
HR9Z-ES
10
Part No.
Ordering No.
Coding bits
Sealing strips
Remarks
Red plastic parts mounts on the four grooves on the terminal block, and yellow
resin parts mounts in the grooves in the same position on the main unit.
The terminal block cannot be inserted if the plastic parts collide with each other,
so by changing the mounting position for each terminal, insertion into the wrong
position is prevented.
1 sealing strip is included.
Used to lock the front transparent cover to prevent dial setting
changes.
Printed with a 10 digit serial number for management purposes
DIN Rails
When ordering, specify the Ordering No.
Name / Appearance
DIN 35 mm rails
End clips
Package Quantity
Remarks
BAA1000
BAA1000PN10
10
Aluminum
Length: 1000 mm
Weight (approx.): 200 g
BNL6
BNL6PN10
10
Metal (zinc-plated steel)
Weight (approx.): 15 g
Compatible rails: BAA1000
Recommended ferrules
Wire cross-section (mm2)
Stranded wire
Item
Ferrule with insulated cover
Standard pack
For single wire
Push-in
terminal
For two wire
For single wire
Screw
terminal
For two wire
AWG
mm
20
18
17
14
20
18
17
16
24
22
20
18
17
16
14
20
18
17
16
0.5
0.75
1.0
2.5
0.5
0.75
1
1.5
0.25
0.34
0.5
0.75
1.0
1.5
2.5
0.5
0.75
1
1.5
Part No.
Package
Quantitiy
Color
2
S3TL-H05-18WA
S3TL-H075-18WW
S3TL-H10-18WY
S3TL-H25-19DS
S3TL-J05-18WA
S3TL-J075-19WWS
S3TL-J10-19WY
S3TL-J15-20WR
S3TL-H025-12WJ
S3TL-H034-12WT
S3TL-H05-14WA
S3TL-H075-14WW
S3TL-H10-14WY
S3TL-H15-14WR
S3TL-H25-15DS
S3TL-J05-14WA
S3TL-J075-14WW
S3TL-J10-15WY
S3TL-J15-16WR
l
m
l
l
l
m
l
l
l
l
l
m
l
l
l
l
m
l
l
Orange
White
Yellow
Blue
Orange
White
Yellow
Red
Light blue
Turquoise
Orange
White
Yellow
Red
Blue
Orange
White
Yellow
Red
500
500
500
500
Tools
Name / Shape
Part No.
Package Quantity
Remarks
Applicable ferrule: Ferrules with and without insulated cover
Crimping shape: Trapezoidal
Crimping tool
(for ferrules)
S3TL-CR04T
1
Crimping tool
(for ferrules)
Applicable ferrule: Ferrules with and without insulated cover
Crimping shape: Trapezoidal Indent
S3TL-CR06D
1
Insulated screwdriver
Blade size (Dimensions in mm.)
S3TL-D06-35-100
1
0.6
26
3.5 100
HR6S Safety Relay Module
Dimensions
(Dimensions in mm.)
HR6S-AF, HR6S-AK, HR6S-S
HR6S-AT
117
117
a
45
99
99
a
22.5
a
a
EXT
Weight: 200 g
EXT
Weight: 350 g
HR6S-AB
HR6S-DN
117
117
45
a
a
99
99
a
a
22.5
Weight: 200 g
EXT
Weight: 350 g
HR6S-EP
117
a
22.5
Designation
99
a
MOD
a
EXT
MOD
Explanation
Push-in terminal: 10 mm
Screw terminal: 5 mm
Connector for output expansion module (side)
Connector for base safety module
Weight: 200 g
• The maximum dimensions when the front transparent cover is opened are 154 mm in height and 202 mm in depth.
27
HR6S Safety Relay Module
LED Display (Example for HR6S-AT)
LED
State
POWER
Snn
START
STATEn (*3)
ERROR
Snn (*1)
Snn (*1)
ERROR
Snn (*2)
Snn (*2)
ERROR
LEDs (*4)
ERROR
LEDs (*4)
ERROR
POWER
Explanation
Power supply on
No power supply
Safety-related input activated
Safety-related input deactivated
Valid start condition
No valid start condition
Waiting for valid start condition
Normally open safety-related outputs activated
Normally open safety-related outputs
deactivated
LED
Synchronization time alert
Other LEDs retain normal behavior
ERROR
Snn (*2)
Snn (*2)
ERROR
START
ERROR
STATEn (*3)
ERROR
START
STATEn (*3)
State
LEDs
Explanation
Cross circuit detected at safety-related input
Cross circuit detected at Start input
Error detected at safety-related output
Error detected at safety-related output of
expansion module
All LEDs light up during power-up for
diagnostsics purposes.
: LED solid on
: LED off
: LED flashing
*1: Snn: n = number off LED of affected input, LEDs flashing alternatingly
*2: Snn: n = number off LED of affected input, LEDs flashing synchronously
*3: STATEn: n = 1 = Instantaneous
n = 2 = Delay
*4: LEDs: All LEDs except POWER
Interlock alert
Other LEDs retain normal behavior
General error detected
Module in defined safe state
Configuration error detected
* For details, refer to the instruction sheet.
Power supply error detected
Start Function Selector (Common to All Types)
Selector
Position
Start Function
Startup Test (*3)
Dynamization (*8)
1
Manual/automatic start (*5)
No
Yes
2
Manual/automatic start (*5)
Yes
Yes
3
Monitored start (*6)
No
Yes
4
Monitored start (*2)
Yes
Yes
5
Manual/automatic start (*1)
No
No
6
Manual/automatic start (*1)
Yes
No
7
Monitored start (*2)
No
No
8
Monitored start (*2)
Yes
No
*5) Automatic start when short-circuit occurs.
*6) Falling edge. The safety-related input must be activated for a
period of at least 80 ms.
*7) Startup test: The safety-related input must be disabled and then
re-enabled before the safety-related output can be
turned on. Normally, it is used to monitor guards.
Even if the automatic start mode is selected, the
guard must be opened and closed once after turning
on the power.
*8) HR6S checks the pulse of Y1 to detect short-circuit between
other input wires and power supply wires, so when 24V signals
are input to Y2 from PLCs, select start mode when dynamization
is "No".
Status Monitor by Diagnosis (Example for HR6S-AT)
Explanation of Status Output
The HR6S diagnoses and monitors connected devices, and can output the results to the Tr output (not safety-related).
The status monitor outputs a pulse signal instead of I/O.
The length of the diagnostic bit sequence output from status output Z1 is 2 s. The configuration is a 10-bit signal where each bit is 200 ms. The first
4 bits (0010) are the start codes that represent the start of the bit sequence. The next 6 bits are a diagnostics code that indicates the status of the
HR6S.
The cycle time (scan time) of the task that executes the program must be 50 ms or less for the bit sequence to be detected correctly. A ladder
program for decoding by PLC is provided. (Contact IDEC regarding PLC ladder programs for IDEC FC6A PLC or other manufacturer's PLCs.)
24V
Z1 output
0V
0
0
1
800ms (4bit)
Start code
28
0
1
1
0
1
1
1,200ms (6bit)
Diagnostics code
1
0
0
1
0
1
1
0
1
1
1
Note 1: If the status of the HR6S changes during the output
of the bit sequence, it will be sent in the next
sequence. Therefore, the maximum delay in status
output for a change of status is 4 s.
However, if the running bit sequence does not last
until the next sequence starts (if status changes
occur within 2 s), it will not be sent in the next
sequence.
Note 2: Turning off the power connected to the HR6S safety
module can cause the ladder program to detect
incorrect status information.
HR6S Safety Relay Module
Diagnostics Codes
Bit sequence
Description
Correctives
0010101101
Supply voltage out of tolerance.
Verify correct wiring.
Use a suitable power supply.
0010000011
General error detected.
Verify correct wiring.
Perform a power cycle.
If the error persists, replace the device.
0010000110
Configuration error detected with the expansion
Verify correct wiring.
module. The position of at least one of the selectors Turn on the power to this product and the connected expansion module again.
has been modified during operation.
If the error persists, replace the expansion module.
0010000111
0010001100
0010001111
0010011000
0010110000
0010100011
Verify that the position of the selectors is appropriate for the application to be
Synchronization alert.
implemented.
Both synchronized safety-related inputs have been
Perform a power cycle.
activated, but not within the synchronization time.
If the error persists, replace the device.
Verify correct wiring.
Verify that the sensor/device providing the input signal is suitable for cross circuit
detection by means of dynamization. If it is not, use an application function without
Cross circuit detected at input terminal S12.
dynamization or a sensor/device suitable for dynamization.
Verify correct operation of sensor/device providing the input signal.
Perform a power cycle.
Verify correct wiring.
Verify that the sensor/device providing the input signal is suitable for cross circuit
detection by means of dynamization. If it is not, use an application function without
Cross circuit detected at input terminal S22.
dynamization or a sensor/device suitable for dynamization.
Verify correct operation of sensor/device providing the input signal.
Perform a power cycle.
Verify correct wiring.
Verify that the sensor/device providing the input signal is suitable for cross circuit
detection by means of dynamization. If it is not, use an application function without
Cross circuit detected at input terminal S32.
dynamization or a sensor/device suitable for dynamization.
Verify correct operation of sensor/device providing the input signal.
Perform a power cycle.
Verify correct wiring.
Verify that the sensor/device providing the input signal is suitable for cross circuit
A cross circuit has been detected at the start detection by means of dynamization. If it is not, use an application function without
input.
dynamization or a sensor/device suitable for dynamization.
Verify correct operation of sensor/device providing the input signal.
Perform a power cycle.
Verify correct wiring.
Verify that the sensor/device providing the input signal is suitable for cross circuit
A cross circuit has been detected at the input detection by means of dynamization. If it is not, use an application function without
used for the delay cancel function.
dynamization or a sensor/device suitable for dynamization.
Verify correct operation of sensor/device providing the input signal.
Perform a power cycle.
Type (*1)
E
E
E
E
E
E
E
E
E
0010110011
Synchronization alert. One of the synchronized
safety-related inputs is still deactivated, but the
synchronization time has already elapsed.
Please restore the input state and try again.
Verify correct operation of sensor/device providing the input signal.
A
0010100111
Synchronization alert. Both synchronized safetyrelated inputs have been activated, but not within
the synchronization time.
Please restore the input state and try again.
Verify correct operation of sensor/device providing the input signal.
A
*1) Message type: E = Error detected, A = Alert
Bit sequence
Description
Type (*2)
0010110110
Instantaneous safety-related outputs are deactivated, and delay safety-related outputs remain activated.
S
0010110111
Both safety-related inputs and safety-related outputs are deactivated.
S
0010110101
Waiting for the state of input S12 to change.
If this setting is by antivalent input, waits for the state of inputs S12 and S13 to change.
S
0010111100
Waiting for the state of input S22 to change.
If this setting is by antivalent input, waits for the state of inputs S22 and S23 to change.
S
0010111111
Waiting for the state of input S32 to change.
If this setting is by antivalent input, waits for the state of inputs S32 and S33 to change.
S
0010101011
Waiting for startup test.
S
0010101010
Waiting for rising edge for automatic/manual start or monitored start.
S
0010101110
Valid start condition. Waiting for the falling edge for a monitored start.
S
0010101111
The operating status of this product is "Operating: Output is on", and safety-related outputs are activated.
S
*2) Message type: S = Status information
29
HR6S Safety Relay Module
Safety Systems
• Perform operations, adjustments, and maintenance according to the
standards applicable to the electric machine.
• For input devices and output devices for safety control that are
connected to this product, use products that comply with the
standards that are required to meet the requirements for ISO13849-1
safety systems.
• The wiring diagrams shown in this catalog are only examples. To
ensure that your safety system meets a suitable performance level,
please conduct a risk assessment and consult with a third-party
certification body.
Safety Precautions
• Removal procedure
(1) Use a screwdriver to release the clip1
on the DIN rail.
(2) Pull the bottom of the product away
from the DIN rail, and then lift the
product upward to remove it from
the DIN rail.
1
3
15.00
Mounting with screws
• Installation procedure
(1) Push the included fastener into the groove on the product.
1.00
(2) Make holes in the surface of the panel where
the product will be mounted.
(3) Use the specified screws and ISO 7093 compliant M4 washers to mount
the product on the installation surface.
M4
(ISO 7093)
(1) Tilt the product slightly and hook on
to the DIN rail.
(2) Push the bottom of the product
towards the DIN rail.
(3) Push until the product is securely
attached to the clip on the DIN rail.
Opening the Transparent Cover
1
Press in the hook (indicated
by the arrow) with
fingernaisa, and then lift the
transparent cover.
2
2
1
3
35.00
15.00
30
2 × ø4.30
(Dimensions in mm.)
DIN Rails (BAA1000 (Sold separately: See page 26.))
• Installation procedure
11.25
113.00
M4 × 12/16
Installation/Removal
HR6S can be mounted on the below DIN rails that comply with IEC 60715.
35 x 15 mm, 35 x 7.5 mm
2
2
35.00
• Do not disassemble, repair, or modify the product. This may cause
impairment of the safe operability of the safety relay module.
• This product is not intended for use in applications that require a
high degree of safety and reliability, such as nuclear power, railways,
aviation, and passenger equipment. Do not use this product for such
applications.
• Turn off the power to the product before starting installation, removing,
wiring, maintenance, or inspection of the safety relay module. Failure
to turn power off may cause electric shocks or fire hazard.
• Be sure to read the instructions attached to the product or website
and use under the appropriate environment. Insufficient installation
may lead to damage or failure.
• Make sure to take measures to prevent electric shock due to
insulation damage between outputs.
• Use within the specified voltage. Do not use a power supply that
produce high ripple voltage or abnormal voltage.
• Use a power supply that meets following required specifications;
- Complies with SELV or PELV circuit specified by IEC 60364-4-41.
- Has the functionality of the control voltage and current of class 2
circuit, as defined in UL508.
• Check the safety function of the product periodically, turn OFF the
signal to the safety input (e.g. at least once a year) and make sure the
safety outputs turn OFF.
• The product is designed for installation within an enclosure. Do not
install the product outside an enclosure. Install the product in an
enclosure rated IP54 or higher.
• Install the product in environments described in this instruction sheet.
If the safety relay module is used in places where the product is
subjected to high temperature, high humidity, condensation, corrosive
gases, excessive vibrations, and excessive shocks then electric
shocks, fire hazard, or malfunction may result.
• Environment for using the product is "Pollution degree 2". Use the
safety relay module under pollution degree 2 environment.
• When disposing the product, follow the laws and regulations of the
country where it is disposed.
1.00
HR6S Safety Relay Module
Safety Precautions
Wiring Procedure
Insert
(1) Insert the solid wire or stranded
wire with ferrule into the terminal
entrance.
(2) A
fter wiring, tug lightly to make sure
that the wire is properly connected.
*When inserting stranded wires
directly, make sure that the pusher
in pressed down and there are no
loose wires.
Remove
(1) Press the pusher using a flat
screwdriver.
(2) Remove the wire by pressing the
pusher.
• For details on wire cross sections, striping lengths, and tightening
torques, see page 25.
Category 2 Safety Relay Module HR5S
Safety measures for low risk machines
Category 2 Safety Relay Module
Introducing a safety system for low risk machines
Designing a category 2 system has been difficult and only a redundant system (category 3) could be used
to protect machines against relatively minor hazards.
However, with the HR5S safety relay module, designing a category 2 system is easy and enables cost
reduction and saves maintenance time.
See IDEC website for more details.
Performance of Category 2 system
System that eliminates short-circuit fault detection when wiring
from an input device
HR1S-AF
HR5S-C2S
System with off-delay control system
HR1S-ATE
HR5S-C2D
Total width
Total width
41% DOWN
52% DOWN
Cost
Cost
45% DOWN
39% DOWN
31
HR6S Safety Relay Module
Ordering Terms and Conditions
Thank you for using IDEC Products.
By purchasing products listed in our catalogs, datasheets, and the like (hereinafter referred to as “Catalogs”) you agree to be bound by these terms and conditions. Please read
and agree to the terms and conditions before placing your order.
1. Notes on contents of Catalogs
3. Inspections
(1) Rated values, performance values, and specification values of IDEC products
listed in this Catalog are values acquired under respective conditions in
independent testing, and do not guarantee values gained in combined
conditions.
Also, durability varies depending on the usage environment and usage
conditions.
(2) Reference data and reference values listed in Catalogs are for reference
purposes only, and do not guarantee that the product will always operate
appropriately in that range.
(3) The specifications / appearance and accessories of IDEC products listed in
Catalogs are subject to change or termination of sales without notice, for
improvement or other reasons.
(4) The content of Catalogs is subject to change without notice.
2. Note on applications
(1) If using IDEC products in combination with other products, confirm the
applicable laws / regulations and standards.
Also, confirm that IDEC products are compatible with your systems, machines,
devices, and the like by using under the actual conditions. IDEC shall bear no
liability whatsoever regarding the compatibility with IDEC products.
(2) The usage examples and application examples listed in Catalogs are for
reference purposes only. Therefore, when introducing a product, confirm the
performance and safety of the instruments, devices, and the like before use.
Furthermore, regarding these examples, IDEC does not grant license to use
IDEC products to you, and IDEC offers no warranties regarding the ownership
of intellectual property rights or non-infringement upon the intellectual
property rights of third parties.
(3) When using IDEC products, be cautious when implementing the following.
i. Use of IDEC products with sufficient allowance for rating and
performance
ii. Safety design, including redundant design and malfunction prevention
design that prevents other danger and damage even in the event that an
IDEC product fails
iii. Wiring and installation that ensures the IDEC product used in your
system, machine, device, or the like can perform and function according
to its specifications
(4) Continuing to use an IDEC product even after the performance has
deteriorated can result in abnormal heat, smoke, fires, and the like due to
insulation deterioration or the like. Perform periodic maintenance for IDEC
products and the systems, machines, devices, and the like in which they are
used.
(5) IDEC products are developed and manufactured as general-purpose products
for general industrial products. They are not intended for use in the following
applications, and in the event that you use an IDEC product for these
applications, unless otherwise agreed upon between you and IDEC, IDEC shall
provide no guarantees whatsoever regarding IDEC products.
i. Use in applications that require a high degree of safety, including nuclear
power control equipment, transportation equipment (railroads / airplanes
/ ships / vehicles / vehicle instruments, etc.), equipment for use in outer
space, elevating equipment, medical instruments, safety devices, or
any other equipment, instruments, or the like that could endanger life or
human health
ii. Use in applications that require a high degree of reliability, such as
provision systems for gas / waterworks / electricity, etc., systems that
operate continuously for 24 hours, and settlement systems
iii. Use in applications where the product may be handled or used deviating
from the specifications or conditions / environment listed in the Catalogs,
such as equipment used outdoors or applications in environments
subject to chemical pollution or electromagnetic interference
If you would like to use IDEC products in the above applications, be sure
to consult with an IDEC sales representative.
Head Office
USA
EMEA
4. Warranty
(1) Warranty period
The warranty period for IDEC products shall be one (1) year after purchase or
delivery to the specified location. However, this shall not apply in cases where
there is a different specification in the Catalogs or there is another agreement
in place between you and IDEC.
(2) Warranty scope
Should a failure occur in an IDEC product during the above warranty period
for reasons attributable to IDEC, then IDEC shall replace or repair that
product, free of charge, at the purchase location / delivery location of the
product, or an IDEC service base. However, failures caused by the following
reasons shall be deemed outside the scope of this warranty.
i. The product was handled or used deviating from the conditions /
environment listed in the Catalogs
ii. The failure was caused by reasons other than an IDEC product
iii. Modification or repair was performed by a party other than IDEC
iv. The failure was caused by a software program of a party other than IDEC
v. The product was used outside of its original purpose
vi. Replacement of maintenance parts, installation of accessories, or the like
was not performed properly in accordance with the user’s manual and
Catalogs
vii. The failure could not have been predicted with the scientific and
technical standards at the time when the product was shipped from IDEC.
viii. The failure was due to other causes not attributable to IDEC (including
cases of force majeure such as natural disasters and other disasters)
Furthermore, the warranty described here refers to a warranty on the IDEC
product as a unit, and damages induced by the failure of an IDEC product are
excluded from this warranty.
5. Limitation of liability
The warranty listed in this Agreement is the full and complete warranty for IDEC
products, and IDEC shall bear no liability whatsoever regarding special damages,
indirect damages, incidental damages, or passive damages that occurred due to an
IDEC product.
6. Service scope
The prices of IDEC products do not include the cost of services, such as dispatching
technicians. Therefore, separate fees are required in the following cases.
(1) Instructions for installation / adjustment and accompaniment at test operation
(including creating application software and testing operation, etc.)
(2) Maintenance inspections, adjustments, and repairs
(3) Technical instructions and technical training
(4) Product tests or inspections specified by you
The above content assumes transactions and usage within your region. Please
consult with an IDEC sales representative regarding transactions and usage outside
of your region. Also, IDEC provides no guarantees whatsoever regarding IDEC
products sold outside your region.
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Specifications and other descriptions in this brochure are subject to change without notice.
Information in this brochure is current as of July, 2021.
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We ask that you implement inspections for IDEC products you purchase without
delay, as well as thoroughly keep in mind management/maintenance regarding
handling of the product before and during the inspection.
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