KT Series
Temperature Controller
08/2006
KT Series
Overview
Common Features
KT4H
KT2
KT4
KT7
A Multi-input: Versatile thermocouple, RTD, DC Current, DC Voltage
A Control modes: PID, on/off control, Anti-Reset-Windup (ARW)
A Control output: Relay, non-contact voltage output
(for SSR drive, DC current output)
A Accuracy: ± 0.2% span
A Simple operation
A Heater-burn-out alarm available
A Alarm output with 9 different operation modes
A RS485 ASCII/Modbus communication available
A Supply voltage: 24V AC/DC or 100 to 240V AC
A Compliant with UL, CSA standards and CE marking
Multi-input:
KT8
KT9
A
A
A
A
Thermocouples K, J, R, S, B, E, T, N, PL-II, C(W/Re5-26)
RTD Pt100, JPt100, 3-conductor system
DC current 0/4 - 20mA
DC Voltage 0 to 1V, 0 to 5V, 1 to 5V, 0 to 10V
Application examples:
Constant
temperature bath
Scrubber
Shrink wrapping
machine
Oven
Warm and cold
storage units
Output Methods:
Output method
Characteristics
Relay contact output is used for switching up to
3A 250V AC (resistive load) in applications in which
the on-off frequency is low.
This voltage output is used for driving the SSR . Since
the SSR is a semiconductor relay, contact life is long.
This type is used in applications in which the on-off
frequency is high. Up to 40mA 12V DC can be switched.
This current output is used to control a power regulator. Smooth and accurate control is possible because
phase control corresponds to the current output.
Relay contact output
Voltage output for SSR drive
DC current output
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08/2006
KT Series
Display and Operation
Indicators (backlight: orange)
Lights up respectively when temperature unit F°/C° is selected.
Light ups during serial communication (option) TX output.
Lights up when control output is ON or Heating output (option) is ON.
Switches the control output ON or OFF and selects Auto/Manual control.
KT2 display and operation features:
PV indicator SV indicator Autotuning indicator Indicator for
serial comm.
Out1 indicator
PV/SV display (switchable)
Event1: Indicator for Alarm 1/2 or Control Out2
MEMO/STEP display indicates memory number
during fixed value control.
Indicates step number
during program control.
Event2: Indicator for Alarm 1/2
3
08/2006
KT4H
Product Types
Space saving, high performance
Temperature Controller KT4H
• 1/16 DIN size temperature controller
• Size 48 x 48 x 56mm (WxHxD)
• Panel-mounted type
• IP66 waterproof (frontside if panel mounted)
• 2nd optional alarm output
• Heating and cooling control with 2nd optional
control output (non-contact voltage output)
• 11-segment display with 3 colours for PV
• 4 set values (externally selectable)
• Tool Port as standard
• MEWTOCOL communication
• Heater burnout alarm supports 3-phase heaters
Ordering code
A
K
T
4
H
1
1
1
1
0
0
1
Power supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
A K T 4 H 1111 0 0
A K T 4 H 11 2 1 0 0
A K T 4 H 11 3 1 0 0
A K T 4 H 2 111 0 0
AKT4H212100
AKT4H213100
A K T 4 H 1111 0 0 1
A K T 4 H 2 111 0 0 1
Communication
function
blank=not available
1=RS485
2=contact input
Control output
1=relay
2=non-contact voltage
3=DC current
Alarm output
1=alarm1 relay
2=alarm1 and
alarm2 relay
other types on demand
Heater burnout alarm
0=not available
3=20A single phase
4=50A single phase
5=20A three phase
6=50A three phase
Heating/Cooling control output
0=no control output 2
1=relay
2=non-contact voltage
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08/2006
KT4H
New Features of KT4H (in comparison with KT4)
Better readability
Time-proven display with negative LCD + LED backlight
11-segment LCD with improved readability
Largest display of PV in its class
PV indication in three different colour
Also, the 11-segment
LCD displays makes it easier to read alphanumeric characters
The
The ability of the PV value to change color makes it easy to
determine the process status at a glance (three colour available).
Improved control functions
Four setting values (SV) selectable
using external input (option).
5
08/2006
KT4H
New Features of KT4H (in comparison with KT4)
Improved communication functions
several KT4H to FP-Series PLCs
MEWTOCOL communications protocol is built in. Up to 31 units can be connected and data can be
collected using a FP (Sigma) PLC.
Comes with MEWTOCOL. Collect data with the PLC.
FP (Sigma)
Standard external tool port
Tool Port of KT4H
With the external tool port, all settings can be loaded and made.
USB
Port
KT Monitor Software
AKT4H820
Tool Port Converter Cable
Space savings
inch
Ability to use any sensor (input) is inherited from KT Series
The KT4H comes equipped with the ability to use any sensor
High accuracy and high sampling period also inherited from KT Series
Easier operation
The switch layout has been changed so that mode changes can be executed more easily using the front keys.
Protective construction
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08/2006
KT4H
KT-Monitor Software
KT-Monitor is a convenient software tool for editing the parameters of KT4H, saving parameters in a file, monitoring of temperature data, and monitoring and saving log files of
designated values.
KT-Monitor Main Window
Parameters can easily be understood and are accessible in a clear, convenient form.
Ordering information: KT-Monitor Set
CD with Software, Manuals, Tool Port cable AKT4H820
Requirements:
PC with Windows 98/ME/2000 or XP, USB-Port, Tool cable
AKT4H820, USB driver installed (included with KT-Monitor)
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08/2006
KT4H
KT-Monitor Software
Sampling and trend monitoring of PV, SV, MV1 and MV2
KT-Monitor Trace display
With the Trace display you can display and analyze the temperature PV, the set value SV
and the control output MV. MV2 will be indicated only when Heating/Cooling control option
is added. All values can also be recorded into a CSV-File for later rework with e.g. Excel.
The colours of the traces are selectable. The recording time interval is selectable
(min. 1 sec.) and also the total number of records can be selected between 600 (10 min.)
and 9000 (150 min.).
For scaling of the displayed values, high and low limit values can be entered.
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08/2006
KT2
Product Types
Ti n y s i z e – p a t t e r n c o n t r o l
Temperature Controller KT2
• 1/32 DIN size temperature controller
• Size 48 x 24 x 98.5mm (WxHxD)
• 9-step pattern control (ramp function)
• Panel-mounted type
• IP66 waterproof (front side if panel mounted)
• 2 set values possible (externally selectable)
• 2nd optional alarm output
• Heating and cooling control with 2nd optional
control output (relay)
• Analogue value converter function
Ordering code
A
K
T
2
1
1
1
1
0
0
1
Power supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
A K T 2 111 2 0 0
A K T 2 11 2 2 0 0
A K T 2 11 3 2 0 0
A K T 2 2 11 2 0 0
AKT2212200
A K T 2 1111 0 0 1
AKT22120101
AKT22121001
RS485 interface
blank=not available
1=available
Control output
1=relay
2=non-contact voltage
3=DC current
Alarm output
0=no alarm output
1=1 alarm output*
2=2 alarm outputs, 1 relay,
1 open collector output
Heater burnout alarm
0=not available
other types on demand
Heating/Cooling
control output
0=no control output 2
1=relay 3A 250V AC
* Type depends on other options
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08/2006
KT4
Product Types
Small sized standard type
Temperature Controller KT4
• 1/16 DIN size temperature controller
• Size 48 x 48 x 95mm (WxHxD)
• Panel-mounted type
• IP66 waterproof (frontside if panel mounted)
• 2nd optional alarm output
• Heating and cooling control with 2nd optional
control output (non-contact voltage output)
Ordering code
A
K
T
4
1
1
1
1
0
0
1
Power supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
A K T 4 1111 0 0
A K T 4 111 2 0 0
A K T 4 11 2 1 0 0
A K T 4 11 2 1 4 0
A K T 4 11 3 1 0 0
A K T 4 2 111 0 0
A K T 4 2 111 4 0
AKT4212100
AKT4212140
A K T 4 1111 0 0 1
A K T 4 2 111 0 0 1
other types on demand
Communication function
blank=not available
1=RS485
Control output
1=relay
2=non contact voltage
3=DC current
Heater burnout alarm
0=not available
1=5A
2=10A
3=20A
4=50A
Heating/Cooling control output
0=no control output 2
4=SSR output 0.3A 250V AC
Alarm output
1=alarm 1 relay
2=alarm1 and alarm2
relay
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08/2006
KT7
Product Types
Handy and slim
Temperature Controller KT7
• Size 22.5 x 75 x 100mm (WxHxD)
• Front screw terminals
• DIN rail mounting type
• Analogue value converter function
Ordering code
A
K
T
7
1
1
1
1
0
0
1
Power Supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
A K T 7 1111 0 0
A K T 7 11 2 1 0 0
A K T 7 11 3 1 0 0
A K T 7 2 111 0 0
AKT7212100
AKT7213100
A K T 7 1111 0 0 1
A K T 7 1111 0 0 1
A K T 7 2 111 0 0 1
AKT72121001
other types on demand
Control output
1=relay
2=non-contact voltage
3=DC current
Alarm output
0=alarm1 open
collector
Communication
function
blank=not available
1=RS485
Heater burnout alarm
0=not available
1=5A
2=10A
3=20A
4=50A
Heating/Cooling control output
0=no control output 2
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08/2006
KT8
Product Types
Wi d e v a r i e t y o f o p t i o n s , e a s i l y r e a d a b l e d i s p l a y
Temperature Controller KT8
• 1/8 DIN size temperature controller
• Size 48 x 96 x 98.5mm (WxHxD)
• Panel-mounted type
• IP66 waterproof (front side if panel mounted)
• 2 set values possible (externally selectable)
• 2nd optional alarm output
• Heating and cooling control with 2nd optional control
output (relay, non-contact voltage, or current)
• Ordering code
Ordering code
A
K
T
8
1
1
1
1
0
0
1
Power supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
Control output
1=relay
A K T 8 1111 0 0
2=non-contact voltage
A K T 8 11 2 1 0 0
3=DC current
A K T 8 11 2 2 0 0
AKT8212210
Alarm output
A K T 8 11 2 2 0 0 1
0=alarm1 open
AKT82122001
collector
other types on demand
2=alarm1 and
alarm2 relay
Communication
function
blank=not available
1=RS485
Heater burnout alarm
0=not available
1=5A
2=10A
3=20A
4=50A
Heating/Cooling control output
0=no control output 2
1=relay
2=non-contact voltage
3=current output
12
08/2006
KT9
Product Types
Big display
Temperature Controller KT9
• 1/4 DIN size temperature controller
• Size 96 x 96 x 98.5mm (WxHxD)
• Panel-mounted type
• IP66 waterproof (front side if panel mounted)
• 2 set values possible (externally selectable)
• 2nd optional alarm output
• Heating and cooling control with 2nd optional
control output (relay, non-contact voltage, or current)
• Ordering code
Ordering code
A
K
T
9
1
1
1
1
0
0
1
Power supply
1=100 to 240V AC
2=24V AC/DC
Sensor input
1=multi-input
In stock:
A K T 9 1111 0 0
A K T 9 11111 0
A K T 9 11 2 1 0 0
A K T 9 11 3 2 3 0
AKT9212100
AKT9212120
A K T 9 1111 0 0 1
A K T 9 2 111 0 0 1
Control output
1=relay
2=non-contact voltage
3=DC current
Alarm output
1=alarm1 open
collector
2=alarm1 and
alarm2 relay
Communication
function
blank=not available
1=RS485
Heater burnout alarm
0=not available
1=5A
2=10A
3=20A
4=50A
Heating/Cooling control output
0=no control output 2
1=relay
2=non-contact voltage
3=current output
other types on demand
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08/2006
KT Series
Ratings and Specifications
Speci
fica
tions
Display
KT2
Size (W x H x D)
KT4
48 x 24 x 98.5mm
KT4H
Frequency
Power cons
ump
tion
Ap
prox. V
5A
Ap
prox. V
8A
Approx. 8VA
Inpute
pty
Ap
prox. V
8A
Approx. 6VA
–200 to 1370°C
J
–200 to 1000°C
R
S
B
E
T
0 to 1760°C
0 to 1760°C
0 to 1820°C
–200 to 800°C
–200.0 to 400.0°C –199.9 to 400.0°C
–199.9 to 400.0°C
–200 to 1300°C
0 to 1390°C
0 to 2315°C
Pt100
DCVoltage
50/60Hz
Ap
prox. V
8A
–199.9 to 400.0°C
N
PL-II
C (W/Re5-26)
DC Current
KT7
Input range
K
RTD
KT9
48 x 96 x 98.5mm 96 x 96x 98.5mm22.5 x 75 x 100mm
100 to 240V AC
24V AC/D
C
Sup
lpy voltage (mustpecified)
be s
Thermocoupl
e
KT8
48 x 48 x 95mm 48 x 48 x 56mm
JPt100
3-conductor ysstem
–199.9 to 850.0°C
–200 to 850°C
–200 to 850.0°C
–199.9 to 850.0°C
–199.9 to 500.0°C
–200 to 500°C
–200 to 500.0°C
–199.9 to 500.0°C
4 to 20mA DC 1)
0 to 20mA DC 1)
0 to 1V C
D 2)
0 to 10V DC 3)
1 to 5V C
D 3)
–1999 to 9999, –199.9 to 999.9
–19.99 to 99.99, –1.999 to 9.999
–2000 to 10000
–1999 to 9999, –199.9 to 999.9
–19.99 to 99.99, –1.999 to 9.999
0 to 5V C
D 3)
• Scal
ing and change to the deci
mal
oint
p pos
ti ion sipossi
ble for CD cur
• DC current input
supported
is
th wi
an externa
lly
mounted 50
Rela
y conta
ct
Control output
Non-contact
DC voltage
DC current
(Must
be
specified)
Alarm output1
Output Methods
Control mode
Accuracy
Sampling period
Hysteres
is
Proportional band
Integral time
Derivative time
Proportional cycle
Allowable voltage fluctuation
Insulated resistance
Breakdown voltage
Malfunction vibration
1a
1a
1b
1a
3A 250V AC (Res
tive
is loa
d), 1A 250V
W
rent n
ad DC vol
tagenp
u
i t.
shunt res
istor (sol
de
s rat
pa
y).
el
1a1b
AC (Inductive o
l ad cosØ=0.4),ect
El
1a
1b
1a
ric life: 100,000 mes
ti
12 +20 14V DC; ma
x., loa
d current: 40mA (Short-circuit protected)
4 to 20mAD
C Load res
istance:
x.550
Ma W
Relay conta
ct 1a3A 250V
AC (Res
tive
is oad)
l
Open col
lector, Contr ol
Electric life: 100,000mes
ti
capacity: 24V DC 0.1A(Max.)
Actions mentioned below can beelescted
by key operation. [Default PID] PI D (with auto-tuning function),
PI, PD (with manual res
et function), P (with manual res
et function), ON/OFF action
Thermocouple: Within ±0.2% of each input p
s an ±1 digit or within ±2°C whichever isgreater
However, R and S input; within ±6°C in the range of 0 to 200°C
B input 0 to 300°C: Accuracy isnot guaranteed.
K, J, E and N input e
l ss than 0 °C: Within ±0.4% of input p
s an ±1 digit
RTD: Within ±0.1% of each input p
s an ±1 digit or ±1°C whichever is greater
DC current and DC voltage: Within ±0.2% of each input p
s an ±1 digit
250ms
Thermocouple & RTD: 0.1 to 100.0 °C
DC current and DC voltage: 1 to 1000 (The decimal point place followsthe sel
ection)
Thermocouple: 0 to 1000°C
RTD: 0.0 to 999.9°C
0.0 to 110.0%
DC current and DC voltage: 0.0 to 100.0%
0 to 1000 e
s conds
0 to 300 e
s conds
1 to 120 e
s conds
When 100 to 240V AC; 85 to 264V AC When 24V AC/DC; 20 to 28V AC/DC
500V DC 10MW or greater
1.5KV AC for 1
See KT8/KT9
min between input
terminal and power
terminal & between
output terminal
and power terminal
1.5KV AC for 1
1.5kV AC for 1min between input
min between input terminal and ground terminal,
terminal and power between input terminal and power
terminal & between terminal between power terminaland
output terminal
ground terminal
and power
between output terminal and ground
terminal
terminal, & between output term inal
and power terminal
10 to 55Hz (0.35mm) to each direction (120ms sw eep) for 10min.
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08/2006
1.5KV AC for 1 min
between input
terminal and power
terminal & between
output terminal
and power terminal
KT Series
Ratings and Specifications
Display
Specifications
KT2
Breakdown vibration
Malfunction shock
Approx. 120g
Waterproof
Display character height
Alarm output 2
Options
Heating/Cooling
control
PV: 8.7mm
SV: 8.7mm*
0.1A 24V DC
Relay contact:
1a 3A 250V DC
(Resistive load)
None
Communication
function
Tool Port
KT8
KT9
Same as above, but 30G
0 to 50°C
35 to 85%RH (No condensation)
Approx. 120g
Approx. 130g
Approx. 240g
Approx. 370g
IP66 (applicable only to the front panel subject to rubber gasket employed)
PV: 12mm
PV: 10.2mm
PV: 11.2mm
PV: 18mm
SV: 6mm
SV: 8.8mm
SV: 11.2mm
SV: 13.2 mm
The same as the one of Alarm output 1
KT7
Non contact relay
0.3A 250V AC
(Resistive load)
Approx. 150g
None
PV: 7.4mm
SV: 7.4mm
None
• Relay contact 1a: 3A 250V AC • Relay contact: 1a 250VAC 3A (Resistive load),
(Resistive load)
250V AC 1A (Inductive load cosø=0.4),
Electric life: 100,000 times
Electric life: 100,000 times
Non contact voltage:
• Non-contact voltage: 12 – 14V DC max. 40mA
12V DC ±15% max. 40mA
(Short-circuit protected)
(Short circuit protected)
• DC current: 4 to 20mA DC Load resistance: Max. 550
Heater rated current must be selected from 5A, 10A, 20A and 50A
Setting accuracy: Within 5% of heater rated current
Heater burn-out alarm
Output
KT4H
10 to 55Hz (0.75mm) to each direction (120ms sweep) for 10min.
X, Y & Z each direction for 5 times 10G
Breakdown shock
Ambient temperature
Ambient humidity
Mass
KT4
Relay contact 1a 250V AC 3A (Resistive load), Electric life: 100,000 times
None
.
Open collector, Control
capacity: 24V DC 0.1A (Max.)
RS485 interface for multidrop communication (details see below)
None
None
Communication interface
C-MOS level, cannot be
used at the same time as
serial communication (option).
This port can only be used
with the tool cable (AKT4H820).
None
*PV/SV switching display
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08/2006
KT Series
Communication Function Overview
Communication via RS485 and Modbus (ASCII) or Modbus RTU protocol
Example 1
Multidrop communication with a programmable logical controller (PLC)
FP_PLC
with FPG-COM3 communication cassette
Standard ASCII or Modbus ASCII Protocol
PV
PV
PV
SV
TX/RX
OUT
OUT
MODE
OFF
OFF
OFF
KT4
KT4
KT4
Up to 31 units can KT8
be connected
KT9
KT7
10 to 55Hz (0.75mm) to each direction (120ms sweep) for 10min.
X, Y & Z each direction for 5 times 10G
Same as above, but 30G
0 to 50°C
35 to 85%RH (No condensation)
Approx.
Approx. 240g
Approx. 370g
PC130g
RS-232 interface
IP66 with
(applicable
only to the front panel subject to rubber gasket employed)
Example 2
Multidrop communication with a personal computer
Display character height
Alarm output 2
PV: 7.4mm
SV: 7.4mm
The same as the one of Alarm output
None
RS232
OUT1
EVT
SV1
SV2
TX/RX
AT
MODE
OUT
OFF
KT4
RS485
• Relay contact: 1a 250VAC 3A (Resistive load),
250V AC 1A (Inductive load cosø=0.4),
Electric life: 100,000 times
• Non-contact voltage: 12 – 14V DC max. 40mA
KT4
KT4 protected)
(Short-circuit
• DC current: 4 to 20mA DC Load resistance: Max. 550
OUT1
OUT1
OUT2
OUT2
SV
SV
A1
A1
A1
Non contact relay
0.3A 250V AC (Resistive load)
RS232 – RS485
e.g. AFP8532J
PV
PV
PV
SV
Heating/Cooling
control
Converter
Approx. 150g
None
PV: 10.2mm
PV:ASCII
11.2mm
PV: 18mm
Standard ASCII, Modbus
or Modbus RTU protocol
SV: 8.8mm
SV: 11.2mm
SV: 13.2 mm
OUT2
Options
AT
Specifications
KT4
Breakdown vibration
Malfunction shock
Breakdown shock
Ambient temperature
Ambient humidity
Mass
Waterproof
TX/RX
OUT
RS485
Display
SV2
SV1
AT
MODE
KT(AKT4,7,8,9)
EVT
EVT
TX/RX
SV2
SV1
AT
MODE
A1
A1
EVT
SV2
OUT2
OUT2
SV
A1
SV1
OUT1
OUT1
OUT1
OUT2
SV
EVT
EVT
SV1
SV2
TX/RX
SV1
AT
MODE
OUT
OFF
SV2
TX/RX
None
AT
MODE
OUT
OFF
Heater rated current must be selected from 5A, 10A, 20A and 50A
.
Heater burn-out alarm
output
Up to 31 units
can be connected
Setting accuracy: Within 5% of heater rated current
With the optional communication function
settings
be(Resistive
entered
or Electric
changed.
Relay all
contact
1a 250Vcan
AC 3A
load),
life: 100,000 times
Input value (PV) and other parameters can be read easily.
All commands are described in the KTC1E1 manual.
Open collector, Control
capacity: 24V DC 0.1A (Max.)
Communication via MEWTOCOL (slave) with any FP-Series PLC*
COMMUNICATION FUNCTION OVERVIEW
Item
Communication type
Communication speed
Synchronization type
Protocols
Coding
Error correcting
Error detection
Data structure
Interface
No. of nodes
Maximum cable length
Specification
Half-duplex
Select 2400, 4800, 9600, or 19200 bps using key operation.
Asynchronous
Standard protocol (ASCII), Modbus (ASCII) or Modbus RTU mode (8-bit binary coding), KT4H also MEWTOCOL (Slave)
ASCII/binary
Command re-send
Parity check, CRC-16 (RTU), LRC (ASCII)
Start bit: 1
Data bit: 7 (ASCII), 8 (RTU)
Parity: Even, No, Odd (Selectable), KT2: Even (ASCII), None (RTU)
Stop bit: 1/2
RS485 compliant
31
1,000 m (cable resistance must be within 50W )
Note) That main setting no. 2 is not possible on the KT8 and KT9 when the communications functions are added.
* Only for KT4H
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08/2006
KT2
Dimensions
KT2 Series (unit: mm)
• Panel cutout
47.6
45+0.6
0
22.2+0.3
0
44.8
40
Rubber packing
Mounting frame
60
36.5
MEMO/STEP
PV
SV
AT
T/R
OUT
EV1
24
EV2
MODE
OUT
21.6
OFF
KT2
48
10.6
48
98.5
KT4 Series (unit: mm)
• Panel cutout
Rubber gasket
Screw type mounting
75
45+0.5
0
PV
OUT1
75
OUT2
SV
EVT
SV1
SV2
TX/RX
59.7
AT
MODE
45+0.5
0
44.5
A1
OUT
45+0.5
0
OFF
n x 48 – 3 +0.5
0
Lateral close mounting
n: Number of units mounted
KT4
j 48
Note) The communications terminal is the screw terminal on the back
of the unit.
95
11.5
KT4H Series (unit: mm)
• Panel cutout
Rubber gasket
Mounting frame
Terminal cover
(Sold seperately)
M3 Screw
17
08/2006
KT Series
Dimensions
KT8 Series (unit: mm)
• Panel cutout
Rubber gasket
Screw type mounting
75
92+0.5
0
PV
SV
130
91
SV1
n x 48 – 3 +0.5
0
96
SV2
OUT1
OUT2
HB
AT
TX/RX
A1
A2/LA
106.2
92
+0.5
0
Lateral close mounting
n: Number of units mounted
OUT
MODE
OFF
45+0.5
0
KT8
11.5
Note) The communications terminal is the screw terminal on the back
of the unit.
98.5
48
KT9 Series (unit: mm)
• Panel cutout
Rubber gasket
Screw type mounting
130
92+0.8
0
PV
130
SV
91
SV1
n x 96 – 3 +0.5
0
SV2
OUT1
OUT2
HB
AT
TX/RX
A1
A2/LA
106.2
Lateral close mounting
n: Number of units mounted
OUT
MODE
k92 +0.5
0
OFF
KT9
k96
11.5
98.5
Note) The communications terminal is the screw terminal on the back
of the unit.
DIN rail mounting
Recommended DIN rail: Part No. AT8DLA1
Recommended fastening plate: Part No. ATA4806
KT7 Series (unit: mm)
1
2
3
OUT
EVT
T/R
4
KT7
DIN rail
AT
PV
SV
75
MODE
G/T
pv
5
6
7
8
EV
T
7
AT
Fastening plate
MO
DE
97
5
22.5
KT
T/B
av
9
100
Note) The communications terminal is the modular jack on
the bottom of the unit.
6
7
8
9
Note) The communications terminal is the modular jack
on the bottom of the unit.
18
08/2006
KT Series
Accessories
all units on this
page in mm
AKT4811 for KT7
Shunt resistor for current input (mA)
AKT4810 for KT2, KT4, KT4H, KT8, KT9
26±1
74 ±6
Terminal cover to protect rear side screw terminals from contact
AKT4801 for KT4
AKT8801 for KT8
AKT9801 for KT9
9 × 8.4 = 75.6
9 × 8.4 = 75.6
19
AKT4H801 for KT4H
20
40
44.5
47.5
44.5
88
48
>PC<
92
46.5
6
47.7
17
AKT2801 for KT2
47.5
20
22.3
29
24.5
6
23.8
3.5
15.5
Current Transformer
CT1 or CT2 for current detection is provided as an accessory
for all types with heater burnout alarm function. They are
enclosed for these types and need not be ordered separately.
CT2 (for 50A)
l
30
k
CT1 (for 20A)
l
15
k
5.8 dia.
7.5
0.5
100
2.8
K
L
25
40
10.5
3
21
12 dia.
40
40
10
30
15
2-M3
2-3.5 dia.
30
Tool cable to connect the KT4H's tool port to a PC's USB port.
AKT4H820
n2.5 Plug 3-Pole type
200
20
50
USB Plug
35
2000
19
08/2006
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