Rockwell Automation 1791-16A0 16 INPUT AC BLOCK User Manual
Page 5

Installation Instructions
Block I/O
Cat. No. 1791-16A0 Series B
5
5
Table A
Wiring Block Designations
i
s
1791–16A0 Series B
Connections
Designation
Description
Terminal No.
Power
Connections
L1
ac hot
1
Power
Connections
N
ac neutral
3
GND
Chassis ground
2
1
Remote I/O
Connections
BLU
Blue wire – RIO
6
Remote I/O
Connections
CLR
Clear wire – RIO
8
SHD
Shield – RIO
7
I/O Connections
Input
in 00 thru in 07
Input 00 thru 07
16, 18, 20, 22,
24, 26, 28, 30
COM 1
L2/N Input Common
10, 12, 14
2
COM 2
L2/N Input Common
9, 11, 13
3
Input
PLC: in 10 thru in 17
SLC: in 08 thru in 15
PLC: Input 10 thru Input 17
SLC: Input 08 thru Input 15
15, 17, 19, 21,
23, 25, 27, 29
Not used
For internal test only; not for
customer use.
4, 5
1
Connect chassis ground to equipment grounding stud. These are not internally connected.
2
Terminals 10, 12 and 14 are internally connected.
3
Terminals 9, 11 and 13 are internally connected.
Table B
Acceptable Wiring Cables for Block I/O Connection
Use
Cable Type
Remote I/O link
Belden 9463
Input and output wiring
Up to 14AWG (2mm
2
) stranded with
3/64 inch (1.2mm) insulation