A-7
Appendices
CJ2 CPU Unit Hardware User’s Manual
A-1 Specifications of Basic I/O Units
App
A-1-2 Basic I/O Units
z CJ1W-ID212 DC Input Unit (24 VDC, 16 Points)
*1 The ON response time will be 15 µs maximum and OFF response time will be 90 µs maximum even if the
response time are set to 0 ms due to internal element delays.
*2 Terminal numbers A0 to A8 and B0 to B8 are used in this manual, but they are not printed on the Unit.
Name 16-point DC Input Unit with Terminal Block
Model CJ1W-ID212
Rated Input Voltage 24 VDC
Rated Input Voltage Range 20.4 to 26.4 VDC
Input Impedance 3.3 kΩ
Input Current 7 mA typical (at 24 VDC)
ON Voltage/ON Current 14.4 VDC min./3 mA min.
OFF Voltage/OFF Current 5 VDC max./1 mA max.
ON Response Time
8.0 ms max.
(Can be set to between 0 and 32 ms in the PLC Setup.)
*1
OFF Response Time
8.0 ms max.
(Can be set to between 0 and 32 ms using PLC Setup)
*1
Number of Circuits 16 (16 points/common, 1 circuit)
Number of Simultaneously ON Points
100% simultaneously ON (at 24 VDC)
(Refer to the following illustration.)
Insulation Resistance 20 MΩ between external terminals and the GR terminal (100 VDC)
Dielectric Strength
1,000 VAC between the external terminals and the GR terminal for 1 minute at
a leakage current of 10 mA max.
Internal Current Consumption 130 mA max.
Weight 110 g max.
Circuit Configuration
Terminal Connections
• Polarity of the input power supply can be connected in either direction.
IN0
IN15
COM
COM
1000 pF
470
Ω
3.3 k
Ω
Internal circuits
Input indicator
to
Signal
name
18
16
14
12
10
8
6
4
2
0
0 10 20 30 40 50 60
No. of simultaneously ON points
Input voltage: 26.4 VDC
12 points
at 55°C.
16 points
at 45°C.
Ambient temperature
(°C)
Temperature characteristics
for simultaneously ON points
B1
IN1
B2
IN3
B3
IN5
B4
IN7
B5
IN9
B6
IN11
B7
IN13
B8
IN15
COM
24 VDC
A1
IN0
A2
IN2
A3
IN4
A4
IN6
A5
IN8
A6
IN10
A7
IN12
A8
IN14
COM
B0
A0
Signal
name
Signal
name
Connec-
tor pin
*2
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