Appendices
A-44
CJ2 CPU Unit Hardware User’s Manual
Terminal Connections
CN1 CN2
• When wiring, pay careful attention to the
polarity of the external power supply.
The load may operate incorrectly if the
polarity is reversed.
• Be sure to wire both terminals 21 and
22 (COM0 (+V)) of CN1.
• Be sure to wire both terminals 1 and 2
(COM1 (+V)) of CN1.
• Be sure to wire both terminals 23 and
24 (0 V) of CN1.
• Be sure to wire both terminals 3 and 4
(0 V) of CN1.
• When wiring, pay careful attention to the
polarity of the external power supply.
The load may operate incorrectly if the
polarity is reversed.
• Be sure to wire both terminals 21 and
22 (COM2 (+V)) of CN2.
• Be sure to wire both terminals 1 and 2
(COM3 (+V)) of CN2.
• Be sure to wire both terminals 23 and
24 (0 V) of CN2.
• Be sure to wire both terminals 3 and 4
(0 V) of CN2.
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
OUT15
OUT14
OUT13
OUT12
OUT11
OUT10OUT2
OUT15
OUT14
OUT13
OUT12
OUT11
0 V
0 V
OUT7
OUT6
OUT5
OUT4
OUT3
COM1 (+V)
OUT10
0 V
OUT0
OUT7
OUT6
OUT5
OUT4
OUT3
OUT2
OUT1
COM0 (+V)
OUT8
OUT9
COM0 (+V)
OUT8
OUT9
OUT0
OUT1
0 V
COM1 (+V)
Wd m
12 to
24 VDC
Wd m+1
Wd m
Wd m+1
12 to
24 VDC
Signal
name
Signal
name
Connec-
tor pin
Allocated
CIO word
Allocated
CIO word
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
L L
40
OUT0
38
OUT1
36
OUT2
34
OUT3
32
OUT4
30
OUT5
28
OUT6
26
OUT7
24
22
OUT15
20
18
OUT0
16
OUT1
14
OUT2
12
OUT3
10
OUT4
8
OUT5
6
OUT6
4
2
39
37
OUT8
35
OUT9
33
OUT10
31
OUT11
29
OUT12
27
OUT13
25
OUT14
23
21
OUT8
19
OUT9
17
OUT10
15
OUT11
13
OUT12
10
OUT7
9
OUT13
7
OUT14
5
OUT15
3
0 V
1
COM3 (+V)
0 V
COM2 (+V)
0 V
COM3 (+V)
LL
0 V
COM2 (+V)
L L
L
L L
L
Wd m+3
Wd m+2
12 to
24 VDC
12 to
24 VDC
Wd m+3
Wd m+2
Signal
name
Signal
name
Connec-
tor pin
Allocated
CIO word
Allocated
CIO word