LE3S Series
Digital LCD Timer DIN W48×H48mm
Features
SENSORS
● Power supply
: 24-240VAC 50/60Hz, 24-240VDC universal
● Easy to switch Up/Down mode
● 10 programmable output modes
and timing ranges (LE3S)
● Selectable function by front digital switches
● Graphic output contact status display (N.O./N.C.)
● BAR graph display of time progressing in 5% increments
● Compact size (length: 74mm)
CONTROLLERS
MOTION DEVICES
SOFTWARE
Please read “Safety Considerations”
in the instruction manual before using.
(J)
Temperature
Controllers
Ordering Information
LE
3
S
(K)
SSRs
Output
Size
Digit
Item
Specifications
No mark
Time-limit SPDT (1c)
A
Time-limit DPDT (2c)
B
Time-limit SPDT (1c), Instantaneous SPDT (1c)
S
DIN W48×H48mm
3
999 (3-digit)
LE
LCD timer (digital switch type)
(L)
Power
Controllers
(M)
Counters
(N)
Timers
※8-pin socket (PG-08, PS-08(N)) is sold separately.
Model
LE3S
LE3SA
Function
Multi time and operation
Multi time range, Power ON Delay operation
Display method
LCD display (character size: W4×H8mm)
Power supply
24-240VACᜠ 50/60Hz, 24-240VDCᜡ universal
Allowable voltage range
90 to 110% of rated voltage
Power consumption
Max. 2.5VA (24-240VACᜠ 50/60Hz), Max. 3.3VA (24-240VACᜠ 50/60Hz),
Max. 1W (24-240VDCᜡ)
Max. 1.5W (24-240VDCᜡ)
Return time
Max. 200ms
Max. 100ms
Approx. 20ms
-
Min.
input
signal
width
INHIBIT
(P)
Indicators
(Q)
Converters
(R)
Digital
Display Units
(S)
Sensor
Controllers
RESET
INHIBIT
RESET
Timing operation
Control
output
LE3SB
START
START
Input
(O)
Digital
Panel Meters
(T)
Switching
Mode Power
Supplies
• No-voltage input
Impedance at short-circuit: max. 1kΩ
Residual voltage: max. 0.5VDC
Impedance at open-circuit: min. 100kΩ
(U)
Recorders
Signal ON Start
Power ON Start
Contact type
Time limit SPDT (1c)
Time limit DPDT (2c)
Contact capacity
250VACᜠ 5A, 30VDCᜡ 5A
resistive load
250VACᜠ 3A, 30VDCᜡ 3A resistive load
Mechanical
Min. 10,000,000 operations
Relay
life cycle Electrical
Output mode
Min. 100,000 operations
(250VAC 5A resistive load)
Min. 100,000 operations
(250VAC 3A resistive load)
10 operation modes
Power ON Delay mode fixed
Time limit SPDT (1c),
Instantaneous SPDT (1c)
(V)
HMIs
(W)
Panel PC
(X)
Field Network
Devices
-10 to 55℃, storage: -25 to 65℃
Environ- Ambient temp.
ment
Ambient humidity 35 to 85%RH
Accessory
Bracket
※Environment resistance is rated at no freezing or condensation.
N-15
LE3S Series
Specifications
Model
Repeat error
SET error
Voltage error
Temperature error
LE3S
LE3SA
LE3SB
Max. ±0.01% ±0.05 sec
(for Power ON Start)
Max. ±0.005% ±0.03 sec
(for Signal ON Start)
Max. ±0.01% ±0.05 sec
Insulation resistance
Over 100MΩ (at 500VDC megger)
Dielectric strength
2,000VAC 50/60Hz for 1 min
Noise immunity
±2kV the square wave noise (pulse width: 1㎲) by the noise simulator
Vibration
Mechanical
Mechanical
Shock
0.75mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 1 hour
Malfunction 0.5mm amplitude at frequency of 10 to 55Hz (for 1 min) in each X, Y, Z direction for 10 min
300m/s² (approx. 30G) in each X, Y, Z direction for 3 times
Malfunction 100m/s² (approx. 10G) in each X, Y, Z direction for 3 times
Approval
Unit weight
Approx. 100g
Approx. 105g
Connections
● LE3S
● LE3SA
4
RESET
START
INHIBIT
4
5
3
6
2
7
1
8
- +
SOURCE
CONTACT OUT
: 250VAC 5A,
30VDC 5A
RESISTIVE LOAD
(Time limit 1c)
5
3
6
2
7
1
(Time limit 1c)
8
(Time limit 1c)
- +
SOURCE
24-240VAC 50/60Hz
24-240VDC
CONTACT OUT
: 250VAC 3A,
30VDC 3A
RESISTIVE LOAD
24-240VAC 50/60Hz
24-240VDC
● LE3SB
4
(Instantaneous
contact 1c)
5
3
6
2
7
1
8
- +
SOURCE
N-16
CONTACT OUT
: 250VAC 3A,
30VDC 3A
RESISTIVE LOAD
(Time limit 1c)
24-240VAC 50/60Hz
24-240VDC
Thumbwheel Switch Setting Type LCD Display Timer
Input Connections (LE3S Only)
Solid-state input
Contact input
Sensor
LE3S
12-24VDC
+V
LE3S
INHIBIT
+
RESET
Q1
MOTION DEVICES
S1
GND
Sensor
+V
SOFTWARE
0V
0V
● Q1 is ON: Operating
● Sensor: NPN open collector output
RL
CONTROLLERS
INHIBIT
START
RESET
START
OUT -
SENSORS
● S1 is ON: Operating
● S1: Micro switch, push button switch, relay
● Input level
LE3S
12-24VDC
INHIBIT
+
START
OUT -
No voltage input
RESET
● Short-level (transistor is ON)
• Residual voltage: Max. 0.5V
• Impedance: Max. 1kΩ
(K)
SSRs
●Open-level (transistor is OFF)
• Impedance: Min. 100kΩ
Q2
GND
(J)
Temperature
Controllers
0V
Contact input
(L)
Power
Controllers
Please use reliable contacts enough to
flow 5VDC 1mA of current.
(M)
Counters
● Q2 is ON: Operating
● Sensor: NPN universal output
(N)
Timers
Dimensions
9.2
48
6
52.4
(O)
Digital
Panel Meters
14.2
(unit: mm)
(P)
Indicators
44.8
(Q)
Converters
(R)
Digital
Display Units
(S)
Sensor
Controllers
Bracket
Panel cut-out
(T)
Switching
Mode Power
Supplies
(U)
Recorders
45 +00.6
26.3
Min. 55
15
(V)
HMIs
Min. 65
48.3
(X)
Field Network
Devices
60.2
45.8
(W)
Panel PC
N-17
LE3S Series
Unit Description
Output
OFF
Time value
ON
Time unit
: hour
: min
: sec
Output operation mode
Bar graph indicator for time processing
Setting of preset value
Time range selectort
001 to 999
Up/Down Mode
Up
※Output operate as Up or
Down mode by Up/Down
switch location.
DN
Down
UP
DN
UP
Power must be cut off.
● Default specifications
LE3S
LE3SA, LE3SB
Up/Down mode: Up
• Up/Down mode: Up
• Output mode: A mode (fixed)
※Down mode is option.
Output Operation Mode Selection
Please select operation mode by press the left of
,
keys in front panel.
Output operation mode
A
ON Delay Ⓐ
B
Interval Delay Ⓐ
C
ON Delay Ⓑ
D
Flicker Ⓐ
E
Flicker Ⓑ
F
One-shot Out Flicker
H
OFF Delay
K
ON/OFF Delay
L
Interval Delay Ⓑ
N
Integration Time
※Refer to LE3SA, LE3SB Output Operation Mode
● ON Delay Ⓐ of A mode and ON Delay Ⓑ of C mode are different.
● Interval delay Ⓐ of B mode and Interval Delay Ⓑ of L mode are different.
● Flicker Ⓐ of D mode and Flicker Ⓑ of E mode are different.
※Output mode Ⓐ is operated as time progresses only when the START signal applied continuously.
※Output mode Ⓑ is operated as time progresses even the START signal is applied as One-shot signal.
(one-shot input signal should be over 20ms.)
N-18
Thumbwheel Switch Setting Type LCD Display Timer
Time Specifications and Time Range
Please select time unit and range by press the right of
,
keys in front panel.
SENSORS
BAR graph: Display % for the time progressing against setting time
CONTROLLERS
Time Range mode
0.01s
0.01 sec to 9.99 sec
0.1s
0.1 sec to 99.9 sec
s
1 sec to 999 sec
0.1m
0.1 min to 99.9 min
m
1 min to 999 min
0.1h
0.1 hour to 99.9 hour
h
1 hour to 999 hour
10h
10 hour to 9990 hour
S
0 min 01 sec to 9min 59 sec
M
0 hour 01 min to 9 hour 59 min
MOTION DEVICES
SOFTWARE
(J)
Temperature
Controllers
Time setting digital switch
● Setting of operation time: Please select operation time by press the center of 3
※When using this unit with 20.0 sec of operation time.
After selecting as time range, then set digital switches as 20.0 sec
In this case, it is convenient to put a decimal point as below figure.
,
(K)
SSRs
keys in front panel.
(L)
Power
Controllers
(M)
Counters
(N)
Timers
Mark a decimal point.
(O)
Digital
Panel Meters
● Bar graph display: Display the progress rate of time for setting time with bar, it is calculated as below for 1bar.
Setting value (operation time) ÷ 20 (total number of bars) = The time for 1 bar is lighted.
(Q)
Converters
LE3SA, LE3SB Output Operation Mode
t
Power
LE3SA
(P)
Indicators
t=Setting time, Rt=Reset time (min. 100ms)
Rt
t
(S)
Sensor
Controllers
2-7
Time-limit contact 1-4
N.C. (8-5)
(T)
Switching
Mode Power
Supplies
Time-limit contact 1-3
N.O. (8-6)
(U)
Recorders
t
Rt
t
(V)
HMIs
Power 2-7
Time-limit contact
N.C. 8-5
LE3SB
(R)
Digital
Display Units
(W)
Panel PC
Time-limit contact
N.O. 8-6
(X)
Field Network
Devices
Instantaneous contact
N.C. 1-4
Instantaneous contact
N.O. 1-3
N-19
LE3S Series
LE3S Output Operation Mode
Mode
A
ON Delay
T=Setting time, T >Ta
Time chart
T
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
Ta
T
②
③
④
①
1. Time progresses when START signal is ON.
2. The output will be ON when the setting value is equal to the display value. (Position ①)
3. When the RESET signal is ON, the display value is returned to the initial state. (Position ③)
※If START signal is OFF when the output is OFF the display value is returned to initial state (Position ④).
T
B
Interval Delay
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
T
Ta
②
①
T
③
1. The output turns ON and time progresses when START signal is ON.
2. The output will be ON when the setting value is equal to the display value. (Position ①)
3. When the RESET signal is ON, the display value is returned to the initial state. (Position ②)
※If START signal is OFF when the output is OFF the display value is returned to initial state. (Position ③)
C
ON Delay
T
T
Ta
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
T
①
Ta
②
1. Time proceeds when START signal is ON.
2. The output will be ON when the setting value is equal to the display value. (Position ①)
3. When the RESET signal is ON, the display value is returned to the initial state.
※When start signal is applied repeatedly (Position ①), only the initial signal is recognized.
※Even if the START signal is not applied, time progresses. (Position ②)
D
Flicker
T
T
Ta
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
Ta
T
Ta
①
②
1. Time progresses repeatedly when the START signal is ON.
2. The output operates from N.C. to N.O., and from N.O. to N.C. repeatedly.
3. If RESET signal is ON, it is returned to initial state. (Position ①)
※If the START signal is OFF, the display value and output is returned to initial state. (Position ②)
T
E
Flicker
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
①
T
Ta
T
T
T
Ta
T Ta
T
Ta
②
③
1. Time progresses repeatedly when the START signal is ON.
2. The output operates from N.C. to N.O., and from N.O. to N.C. repeatedly.
3. If RESET signal is ON, it is returned to initial state. (Position ③)
※When START signal is applied repeatedly, only the initial signal is recognized. (Position ①)
※Even if the START signal is not applied, time progresses. (Position ②)
※Initial state: Output is OFF, the display value is "0". (UP mode). The output is OFF and the display value is the setting value (DOWN mode)
※When set the time setting as 000, control output does not come out.
※When using D, E output operation modes, if the time is set too short, the output may not work properly. Please set the time at least over 100ms.
N-20
Thumbwheel Switch Setting Type LCD Display Timer
LE3S Output Operation Mode
Mode
F
One-shot
Out Flicker
T=Setting time, T=T1+T2+T3, T >Ta, T >Ta+Tb
SENSORS
Time chart
T
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
Ta
T
T
T
Ta
T
Ta
T
Ta
②
CONTROLLERS
①
0.3s
③
0.3s
One-shot output
1. Time progresses from initial value to the preset value repeatedly and the output operates as one-shot (0.3 sec), when
the START signal is ON. (Position ①)
2. If the RESET signal is ON, it is returned to initial state. (Position ③)
※When START signal is applied repeatedly, only the initial signal is recognized. (Position ②)
H
OFF Delay
Ta
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
T
Ta
Ta
ON-OFF Delay
T
(J)
Temperature
Controllers
Ta Ta
(K)
SSRs
Ta
T
Ta
Ta
Ta
Ta
Ta
T
(L)
Power
Controllers
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
(M)
Counters
(N)
Timers
1. When the START signal is ON the output is ON the output will be reset and display value is held when setting value is
equal to display value.
2. The START signal turns OFF, the output turns ON, the output will be reset and display value is held when setting value
is equal to display value.
3. If RESET signal is ON, it is returned to initial state.
※If START signal is applied repeatedly, output keeps ON but be sure that the time will be initialized.
L
Interval Delay
T
Ta
T
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
T
Integration
Time
(P)
Indicators
(Q)
Converters
(R)
Digital
Display Units
T1
POWER
START
RESET
RY OUT
SET
UP MODE
0
DISPLAY SET
DOWN MODE
0
(O)
Digital
Panel Meters
T
①
(S)
Sensor
Controllers
1. When START signal is ON, the output turns ON and the time progresses at the same time.
2. When the time reaches at the preset value the output will be reset, and the display value is held.
3. If RESET signal is applied, the display value is returned to initial state.
※When START signal is applied repeatedly, only the initial signal is recognized. (Position ①)
N
SOFTWARE
①
1. The START signal & the output are ON at the same time. The output will return and the display value is held after the
setting time.
2. If the RESET signal is ON, the display value is returned to initial state.
※If the START signal is applied continuously, the output will be ON but time is not progressed.
K
MOTION DEVICES
T2
T3
Ta
Tb
Ta
(T)
Switching
Mode Power
Supplies
Tb
(U)
Recorders
①
(V)
HMIs
(W)
Panel PC
1. When START signal is ON, time progresses.
2. If START signal turns off before the display value reaches the setting value, the time (display value) will be held.
3. If RESET signal is ON, it is returned to initial state.
※Initial state: Output is OFF, the display value is "0". (UP mode). The output is OFF and the display value is the setting value (DOWN mode)
※When set the time setting as 000, control output does not come out.
※When using D, E output operation modes, if the time is set too short, the output may not work properly. Please set the time at least over 100ms.
N-21
(X)
Field Network
Devices
LE3S Series
Proper Usage
● Follow instructions in 'Proper Usage'. Otherwise, it may cause unexpected accidents.
● When supplying or turning off the power, use a switch or etc. to avoid chattering.
● Install a power switch or circuit breaker in the easily accessible place for supplying or disconnecting the power.
● In order to block peripheral current, use isolation transformer which of secondary part is not grounded as (Figure 1) to
supply power to the external input device.
(Figure 1)
Main circuit
< Sensor >
START
RESET
INHIBIT
Rectification
circuit
Isolation
transformer
Power
● Do not connect two or more timers with only one input contact or transistor simultaneously.
●K
eep away from high voltage lines or power lines to prevent inductive noise.
In case installing power line and input signal line closely, use line filter or varistor at power line and shielded wire at input
signal line.
Do not use near the equipment which generates strong magnetic force or high frequency noise.
● Change setting time, time range, operation mode or etc. after turning off the power of the timer.
●T
his unit may be used in the following environments.
①Indoors (in the environment condition rated in 'Specifications')
②Altitude max. 2,000m
③Pollution degree 2
④Installation category II
N-22