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2 Simple Application Controllers
Specifications 2
ENG-8
2.2 Input Specification
*1 Current leakage from the sensors connected to the inputs might provide enough current
to turn the controller On. Do not use two wire sensors
0
*1 EI1 and EI2 in AL2-4EX canbeusedasHighSpeedCounters.
When using the High Speed Counter function, the input response time is 0.5ms or less.
Table 2.2: AC Input Specifications
Description
AC Input Specification
main unit AL2-4EX-A2
I01 -I08 I09 -I15 EI1 -EI4
Input Voltage 100 - 240V AC~, +10% -15%, 50/60 Hz
220 - 240V AC~, +10% -15%,
50/60 Hz
Input Current
0.13mA / 120V AC~
*1
0.25mA / 240V AC~
*1
0.15mA / 120V AC~
*1
0.29mA / 240V AC~
*1
7.5mA / 240V AC~ 50Hz
9.0mA / 240V AC~ 60Hz
Input Impedance ≥ 800 kΩ
32kΩ (50Hz)
27kΩ (60Hz)
OFF → ON/ ON → OFF ≥ 80V / ≤ 40V ≥ 160V / ≤ 40V
Response
Time
OFF → ON
35-85ms, 120V AC~
25-55ms, 240V AC~
15 - 40ms / 240V AC~
ON → OFF
35-85ms, 120V AC~
50-130ms, 240V AC~
Isolation Circuit None Photocoupler
Operation Indication Liquid Crystal Display
Table 2.3: DC Input Specifications
Description Sink(“-” Common) Source (“+”Common)
Input Voltage 24V DC +20% -15% 24V DC +20% -15%
Input
Current
main unit
I01 - I08
5.5mA, 24V DC
6.0mA, 24V DC
I09 - I15 5.5mA, 24V DC
AL2-4EX EI1 - EI4 5.4mA, 24V DC 5.4mA, 24V DC
OFF → ON/
ON → OFF
main unit I01 - I15
Current: ≥ 4.7mA / ≤ 1.1 mA
Voltage: ≤ 4V / ≥ 18V
Voltage: ≥ 18V / ≤ 4V
AL2-4EX EI1 - EI4 Voltage: ≥ 18V / ≤ 4VVoltage: ≥ 18V / ≤ 4V
Response
Time
main unit 10 - 20ms
AL2-4EX
*1
10 - 20ms
Isolation
Circuit
main unit None
AL2-4EX Photocoupler
Operation Indication Liquid Crystal Display