Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules - Manual (Page 34)

Installing Block I/O
Chapter 3
3-15
Connections
1791-16AC Series B Connector/Terminal
Connections
Designation Description Left Conn. Right Conn.
Power
L1 ac hot 1
Power
Connections N ac neutral 3
GND Chassis ground 2 1
Remote I/O
BLU Blue wire - RIO 6
Remote I/O
Connections CLR Clear wire - RIO 8
SHD Shield - RIO 7
I/O Connections
in 00 thru in 07 Input 00 thru 07
16, 18, 20,
22, 24, 26,
28, 30
Input
COM 1 L2/N Input Common 10, 12, 14 2
Input
(G) 6
COM 2 L2/N Input Common 9, 11, 13 3
PLC: in 10 thru in 17
SLC: in 08 thru in 15
PLC: Input 10 thru 17
SLC: Input 08 thru 15
15, 17, 19,
21, 23, 25,
27, 29
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
L1-3 L1 output supply 21, 19, 17 4
Output
(G )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 are internally connected together.
3 Terminals 9, 11 and 13 are internally connected together.
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 IN (G) = input module group.
7 OUT (G) = output module group.