562
Specifications of Basic I/O Units Appendix A
Terminal Connections
• When wiring, pay careful attention to the polarity of the external power supply. The load may operate if
polarity is reversed.
• Be sure to wire both terminals 23 and 24 (COM0) of CN1.
• Be sure to wire both terminals 3 and 4 (COM1) of CN1.
• Be sure to wire both terminals 21 and 22 (+V) of CN1.
• Be sure to wire both terminals 1 and 2 (+V) of CN1.
• Be sure to wire both terminals 23 and 24 (COM2) of CN2, and set the same polarity for both pins.
• Be sure to wire both terminals 3 and 4 (COM3) of CN2, and set the same polarity for both pins.
0
5
10
15
20
25
30
35
0204060
(°C)
Number of Simultaneously ON Points vs.
Ambient Temperature Characteristic
Number of simultaneously ON points
32 points at 38°C
32 points
at 44°C
Ambient Temperature
Input voltage: 24 V DC
Input voltage: 26.4 V DC
12 points/common at 55°C
8 points/common at 55°C
1
+V
3
5
15
7
14
9
13
11
12
13
11
15
10
17
19
2
21
23
25
27
15
29
14
31
13
33
12
35
11
37
+V
39
2
4
+V
6
8
7
10
6
12
5
14
4
16
3
18
COM1
20
22
24
26
28
30
10
32
34
36
38
40
COM1
+V
0
7
6
5
4
3
2
1
COM0
8
9
COM0
8
9
0
1
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
40
0
38
1
36
2
34
3
32
4
30
5
28
6
26
7
24
22
15
20
18
0
16
1
14
2
12
3
10
4
8
5
6
6
4
NC
2
COM3
39
37
8
35
9
33
10
31
11
29
12
27
13
25
14
23
COM2
21
8
19
9
17
10
15
11
13
12
11
7
9
13
7
14
5
15
3
NC
1
COM3
COM2
NC NC
24 V DC
24 V
DC
I/O word "m"I/O word "m+1"
I/O word "m+3"
I/O word "m+2"
CN1 (Outputs) CN2 (Inputs)
12 to 24 V DC
12 to
24 V
DC