Rockwell Automation 1791D-N4CV2X CompactBlock I/O for DeviceNet Expansion Module I.I. - Manual (Page 6)

6 CompactBlock I/O Analog Combination Input/Output Expansion Module
Publication 1791D-IN002A-EN-P - June 2003
DIN Rail Mounting
1. Hook top of slot over the DIN Rail.
2. Pull down on the locking lever while pressing the block against the
rail.
3. Push up on the locking lever to secure the block to the rail when block
is flush against the rail.
Connecting an Expansion Module to a Base Module
NOTE : 1791D-4B0 cannot be connected to expansion modules.
1. Remove the expansion covers from both the base and expansion
modules.
ATTENTION
!
Expansion blocks should not be installed when power
is applied to the base.
IMPORTANT
Make sure you carefully read the section “Word/Bit
Definitions” on page 11 to change produce and consume
data sizes.
Locking Lever
90358