Safety partner, Chassis, Power supply – Rockwell Automation 1756-L7x GuardLogix 5570 Controllers User Manual
Page 15: Selecting safety i/o modules, Safety partner chassis power supply
Rockwell Automation Publication 1756-UM022A-EN-P - November 2012
15
System Overview
Chapter 1
Figure 2 - Keyswitch Positions
Safety Partner
The safety partner is a coprocessor that provides an isolated second channel
(redundancy) for safety-related functions in the system.
The safety partner does not have a keyswitch or communication port. Its
configuration and operation are controlled by the primary controller.
Chassis
The ControlLogix chassis provides physical connections between modules and
the GuardLogix controller.
Power Supply
The ControlLogix power supplies listed on page
are suitable for use in SIL 3
applications. No extra configuration or wiring is required for SIL 3 operation of
the power supplies.
Selecting Safety I/O Modules
Safety input and output devices can be connected to CIP Safety I/O on
DeviceNet or EtherNet/IP networks, allowing output devices to be controlled by
a GuardLogix controller system via DeviceNet or EtherNet/IP communication.
For the most up-to-date information on available CIP Safety I/O catalog
numbers, certified series, and firmware revisions, see
OK
FORCE SD
RUN
Logix557x
RU
N REM PROG
1756-L7xS
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