User manual
Publication CIG-WD001B-EN-P - May 2005
1746 I/O Modules 5-25
VDC
OUT 0
OUT 1
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 7
DC COM
-DC
+DC
CR
CR
CR
CR
10-50V dc
10 to 50V dc Transistor
Output Sinking
1.
OUT 0
0
OUT 1
1
OUT 2
2
OUT 3
3
OUT 4
4
OUT 5
5
OUT 6
6
OUT 7
7
OUT 8
10
OUT 9
11
OUT 10
12
OUT 1 1
13
OUT 12
14
OUT 13
15
OUT 14
16
OUT 15
17
OUT 16
OUT 17
OUT 18
OUT 19
OUT 20
OUT 21
OUT 22
OUT 23
OUT 24
OUT 25
OUT 26
OUT 27
OUT 28
OUT 29
OUT 30
OUT 31
VDC 1
0
1
2
3
4
5
6
7
10
11
12
13
14
15
16
17
VDC 1
VDC 2
VDC 2
COM 2
COM 2
COM 1
COM 1
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
CR
Wire
Group 1
Wire
Group 2
+V dc 2
(2)
+V dc 2
(2)
dc Com 2
(2)(3)
dc Com 2
(2)(3)
dc Com 1
(2)(3)
dc Com 1
(2)(3)
Connector
Key
+V dc 1
(2)
+V dc 1
(2)
5 to 50V dc Transistor Output Sinking
The V dc and dc Com pins on the 1746-OV32 output module are isolated between the two groups.
Also, the two V dc and two V Com pins in each group are connected internally.
2.
Both dc Com pins must be connected to the dc power source if current for a common group is expected
to exceed 2 amps. To maintain group isolation provided by 32-point I/O modules, use a 1492 terminal
block that provides group isolation.
1746-OV8
1746-OV32
OUT0
OUT 2
OUT 3
OUT 4
OUT 5
OUT 6
OUT 9
OUT 8
OUT 1 1
OUT 10
OUT 14
OUT 12
0
2
4
6
11
13
16
10
12
14
3
5
CR
CR
CR
CR
CR
CR
CR
CR
OUT 7
7
OUT 1
1
OUT 15
17
OUT 13
15
VAC-VDC
1
VAC-VDC
2
V ac/dc
L2 or -DC
L1 or +DC
V ac/dc
L2 or -DC
L1 or +DC
Relay Output
20.4-26.5V dc
OUT 0
OUT 2
OUT 4
OUT 6
OUT 9
OUT 8
OUT 14
OUT 12
0
2
4
6
16
10
12
14
CR
CR
CR
CR
CR
CR
CR
CR
DC COM
+DC
-DC
OUT 3
OUT 5
OUT 1 1
13
3
5
OUT 7
7
OUT 1
1
VDC
OUT 15
17
OUT 13
15
11
OUT 10
10 to 50V dc OR 20.4 to 26.4V dc Transistor
Output Sinking
1. This module provides fused commons for short circuit protection.
1
1746-OVP16 1746-OW16