Rockwell Automation 1771-PM , D17716.5.18 U MNL 1771-PM CLUTCH/BRAKE MOD - Manual (Page 25)

PC Ladder Programming
Chapter 4
4Ć2
Figure 4.1
Overview of Clutch/Brake Controller
1771 - PM
Voting
Processor
Chassis
A
1771 - PM
Voting
Processor
Chassis
B
1771 - ASB
Remote I/O
Adapter
Chassis
C
The firmware in voting
processors A and B
monitors and controls the press.
Configuration
Switch
Inputs
Other inputs
that are
independent
of the
Clutch/brake
controller
C/B
Press
A-B Programmable Controller
with Remote I/O
Your ladder diagram
program configures and
enables voting processors
A and B, while it monitors
and controls I/O through
remote I/O adapters.
PLC
Ladder
Program
I/O Control Rungs
Configuration Rungs
I/O Control Rungs
12253
(optional)