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Input Unit Specifications Section 2-2
2-2-3 AC Input Units
Item CQM1-IA121 CQM1-IA221
Name 100 to 120-V AC 8-point Input Unit 200 to 240-V AC 8-point Input Unit
Input Voltage
100 to 120 V AC
+10%
/
–15%,
, 50/60 Hz 200 to 240 V AC
+10%
/
–15%,
, 50/60 Hz
Input Impedance 20 kΩ (50 Hz), 17 kΩ (60 Hz) 38 kΩ (50 Hz), 32 kΩ (60 Hz)
Input Current 5 mA typical (at 100 V AC) 6 mA typical (at 200 V AC)
ON Voltage 60 V AC min. 150 V AC min.
OFF Voltage 20 V AC max. 40 V AC max.
ON Delay 35 ms max. 35 ms max.
OFF Delay 55 ms max. 55 ms max.
No. of Inputs 8 points (8 points/common, 1 circuit) 8 points (8 points/common, 1 circuit)
Internal Current
Consumption
50 mA max. at 5 V DC 50 mA max. at 5 V DC
Weight 210 grams max. 210 grams max.
Circuit
Configuration
Terminal
Connections
COM
470 Ω
Input
LED
Internal
Circuits
2.7 kΩ
0.15 µF
IN0
IN7
68 kΩ
The polarity of the input power supply can be either
plus or minus. The polarity of all the commons,
however, must be the same.
COM
820 Ω
Input
LED
Internal
Circuits
8.2 kΩ
0.082 µF
IN0
IN7
220 kΩ
The polarity of the input power supply can be either
plus or minus. The polarity of all the commons,
however, must be the same.
B0
IN0
IN1
A0
B1
IN2
IN3
A1
B2
IN4
IN5
A2
B3
IN6
IN7
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
A3
COM
NC
NC
NC
NC
NC
NC
NC
NC
COM
100 to 120 V AC
B0
IN0
IN1
A0
B1
IN2
IN3
A1
B2
IN4
IN5
A2
B3
IN6
IN7
B4
A4
B5
A5
B6
A6
B7
A7
B8
A8
A3
COM
NC
NC
NC
NC
NC
NC
NC
NC
COM
200 to 240 V AC