Instruction Manual

8 CompactBlock Distributed I/O on PROFIBUS DP Series D
Publication
1791P-IN002B-EN-P - October 2003
Connecting an Expansion Module to a Base Module
1. Remove the expansion covers from both the base and expansion
modules.
2. Position the expansion block with the proper spacing. See the
illustration below.
3. Mount expansion module using panel or DIN rail mounting, as
described in the previous section.
ATTENTION
Expansion blocks should not be installed when power
is applied to the base.
IMPORTANT
Carefully read the section “Word/Bit Definitions” on
page 18 to change produce and consume data sizes.
Profibus DP
Network
Status
01
2
34
5
67
01
2
34
5
67
CompactBlock I/O
1791P-8V8P
8 INPUTS / 8 OUTPUTS - DC POWER
Allen-Bradley
Module
Status
Base Module Expansion Module
141 mm
5.55 in
41 mm
1.6 in
104 mm
4.09 in
41 mm
1.6 in
25 mm
1 in
Expansion covers
43116