22 
< TTL Input Unit > 
Corresponding CJ-series Unit 
No replacement model 
TTL Input Unit with connector for 32 inputs. The CJ Series does not have the 
same type of Unit. 
Use the CJ1W-ID231 24-VDC Input Unit or CJ1W-MD563 TTL I/O Unit instead.
5 VDC, 3.5 mA, Connector, 
32 inputs (Special I/O) 
 
< AC Input Units > 
Corresponding CJ-series Unit 
terminal block for 8 inputs. 
Replace this unit with a 100 
VAC Input Unit with 16 inputs. 
2) Input points (8 points → 16 points) 
3) Input circuit specifications   
Input impedance (9.7 kΩ → 14.5 kΩ)   
ON voltage (60 VAC → 70 VAC) 
4) Internal current consumption   
Terminal block, 8 inputs 
Terminal block, 16 inputs 
terminal block for 8 inputs. 
. 
2) Input points (8 points → 8 points*) 
*16 I/O bits (1 word) are allocated.   
3) Internal current consumption   
Terminal block, 8 inputs 
Terminal block, 8 inputs 
terminal block for 16 inputs. 
2) Input circuit specifications 
Input impedance (9.7 kΩ → 14.5 kΩ)   
ON voltage (60 VAC → 70 VAC) 
3) Internal current consumption   
Terminal block, 16 inputs, 
IA122V: Complying with EC 
Directive 
Terminal block, 16 inputs 
terminal block for 16 inputs. 
Replace this unit with two 
200 VAC Input Units with 8 
inputs. 
2) No. of circuits (16 points/common x 1 circuit 
→ 8 points/common x 1 circuit x 2)   
3) Internal current consumption   
→
Terminal block, 16 inputs, 
IA222V: Complying with EC 
Terminal block, 8 inputs 
 
< AC/DC Input Units > 
Corresponding CJ-series Unit 
terminal block for 8 inputs. 
Replace this unit with a DC 
Input Unit with 16 inputs.   
*The CJ Series does not have 
an AC/DC Input Unit. If this 
Unit is used with AC inputs, 
change the wiring for DC 
inputs. 
2) Input points (8 points → 16 points) 
3) Input circuit specifications   
Input voltage range   
(12 to 24 VAC/VDC → 24 VDC)   
Input impedance (2 kΩ → 3.3 kΩ)   
ON voltage (10.2 VDC → 14.4 VDC)   
OFF voltage (3 VDC → 5 VDC) 
4) Internal current consumption   
Terminal block, 8 inputs 
24 VDC, 7 mA, Terminal block, 
16 inputs 
terminal block for 16 inputs. 
Replace this unit with a DC 
Input Unit with 16 inputs.   
*The CJ Series does not have 
an AC/DC Input Unit. If this 
Unit is used with AC inputs, 
change the wiring for DC 
2) No. of circuits (16 points/common x 1 circuit 
→ 8 points/common x 2 circuits)   
3) Input circuit specifications 
Input voltage range (24 VAC/VDC → 24 VDC) 
Input impedance (3 kΩ → 3.3 kΩ)   
4) Internal power consumption   
(5 VDC: 10 mA → 80 mA) 
24 VAC/VDC , Terminal block, 
16 inputs 
24 VDC, 7 mA, Terminal block, 
16 inputs