Installation Instructions
Block I/O
Cat. No. 1791-0A32 Series B
5
Table B
Wiring Block Designations
nn
n
1791–0A32 Series B
Connector/Terminal
Connections
Designation
Description
Left Conn.
Right Conn.
Power
L1
ac hot
1
Power
Connections
N
ac neutral
3
Connections
GND
Chassis ground
2
1
Remote I/O
BLU
Blue wire – RIO
6
Remote I/O
Connections
CLR
Clear wire – RIO
8
Connections
SHD
Shield – RIO
7
I/O Connections
PLC: out 00 thru 07
SLC: out 00 thru 07
PLC: Output 00 thru 07
SLC: Output 00 thru 07
16, 18, 20,
22, 24, 26,
28, 30
Output
(G)
6
L1–1
L1 output supply
10, 12, 14
2
Output
(G)
6
PLC: out 10 thru 17
SLC: out 08 thru 15
PLC: Output 10 thru 17
SLC: Output 08 thru 15
15, 17, 19,
21, 23, 25,
27, 29
L1–2
L1 output supply
9, 11, 13
3
PLC: out 00 thru 07
SLC: out 00 thru 07
PLC: Output 00 thru 07
SLC: Output 00 thru 07
15, 13, 11, 9,
7, 5, 3, 1
Output
(G + 1)
7
L1–3
L1 output supply
21, 19, 17
4
Output
(G + 1)
7
PLC: out 10 thru 17
SLC: out 08 thru 15
PLC: Output 10 thru 17
SLC: Output 08 thru 15
16, 14, 12,
10, 8, 6, 4, 2
L1–4
L1 output supply
22, 20, 18
5
Not used
For internal test only;
not for customer use.
4, 5
29, 27, 26
No Conn
No internal connection;
customer can use.
30, 28, 25,
24, 23
1
Connect chassis ground to equipment grounding stud. These are not internally connected.
2
Terminals 10, 12 and 14 must be externally connected by customer to accommodate total amperage.
3
Terminals 9, 11 and 13 must be externally connected by customer to accommodate total amperage.
4
Terminals 17, 19 and 21 must be externally connected by customer to accommodate total amperage.
5
Terminals 18, 20 and 22 must be externally connected by customer to accommodate total amperage.
6
OUT (G) = output module group (one word).
7
OUT (G + 1) = output module group plus one word.
