Connecting wiring – Rockwell Automation 1791-XXXX Discrete I/O AC and DC Block I/O Input and Output Modules User Manual
Page 23

Installing Block I/O
Chapter 3
3-4
Figure 3.2
Mounting on a DIN Rail
1. Hook top of slot over DIN rail.
2. While pressing block against rail,
pull down on locking lever.
3. When block is flush against rail,
push up on locking lever(s) to
secure block to rail.
Locking Lever
12382ĆI
Locking levers
AĆB Pt. No. 199ĆDR1
46277Ć3
EN 50022
(35 x 7.5mm)
DIN Rail
16Ćpoint Block I/O Module
32Ćpoint Block I/O Module
Make wiring connections to the removable terminal block which plugs into
the front of the block.
ATTENTION: The terminal blocks are not keyed to prevent
incorrect insertion. If you remove a terminal block, make
certain that each terminal block is inserted with the lower row
of screws on the outside of the block (positioned toward the
outside of the module).
Figure 3.3
Removing the Terminal Block
12383ĆI
To remove terminal strip,
unscrew the 2 captive screws
and pull terminal strip out.
Repeat for second terminal
strip on 32Ćpoint modules.
16Ćpoint Block I/O Module
32Ćpoint Block I/O Module
Connecting Wiring