Omron CJ1M-CPU series Replacement Guide

14
Appendix 3. CJ1M/CJ2M Built in I/O function comparison
(1) Pin assignment
Note. CJ1M does not use Pin No.38, but CJ2M use as “Power supply input +V for output”. CJ2M does not
affect operation if it is not connected. But remove the wiring if it is connecting to another signal.
[CJ1M-CPU21/22/23]
Pin layout
Terminal symbol
Input signal type
Pin
No.
Terminal symbol
Input signal type
Pin
No.
IN0
24 VDC
1
IN1
24 VDC
2
LD+
3
LD+
4
0 V/LD-
5
0 V/LD-
6
IN2
24 VDC
7
IN3
24 VDC
8
LD+
9
LD+
10
0 V/LD-
11
0 V/LD-
12
IN4
24 VDC
13
IN5
24 VDC
14
LD+
15
LD+
16
0 V/LD-
17
0 V/LD-
18
IN6
24 VDC
19
IN7
24 VDC
20
LD+
21
LD+
22
0 V/LD-
23
0 V/LD-
24
IN8
24 VDC
25
IN9
24 VDC
26
LD+
27
LD+
28
0 V/LD-
29
0 V/LD-
30
OUT0
---
31
OUT1
---
32
OUT2
---
33
OUT3
---
34
OUT4
---
35
OUT5
---
36
Power supply input
(+V) for output
---
37
Not used
---
38
Output COM
---
39
Output COM
---
40
[CJ2M-MD211]
Pin layout
Terminal symbol
Input signal type
Pin
No.
Terminal symbol
Input signal type
Pin
No.
IN0/IN10
24 VDC
1
IN1/IN11
24 VDC
2
LD+
3
LD+
4
0 V/LD-
5
0 V/LD-
6
IN2/IN12
24 VDC
7
IN3/IN13
24 VDC
8
LD+
9
LD+
10
0 V/LD-
11
0 V/LD-
12
IN4/IN14
24 VDC
13
IN5/IN15
24 VDC
14
LD+
15
LD+
16
0 V/LD-
17
0 V/LD-
18
IN6/IN16
24 VDC
19
IN7/IN17
24 VDC
20
LD+
21
LD+
22
0 V/LD-
23
0 V/LD-
24
IN8/IN18
24 VDC
25
IN9/IN19
24 VDC
26
LD+
27
LD+
28
0 V/LD-
29
0 V/LD-
30
OUT0/OUT10
---
31
OUT1/OUT11
---
32
OUT2/OUT12
---
33
OUT3/OUT13
---
34
OUT4/OUT14
---
35
OUT5/OUT15
---
36
Power supply input
(+V) for output
---
37
Power supply input
(+V) for output
---
38
Output COM
---
39
Output COM
---
40

Omron CJ1M-CPU series Specifications

General

Brand	Omron
Model	CJ1M-CPU series
Category	Controller
Language	English