28 Rockwell Automation Publication 1756-RM012B-EN-P - April 2018
Chapter 3 Safety I/O for the GuardLogix Control System
Configure Always
The GuardLogix controller attempts to configure a replacement Safety I/O
device automatically if the device is in an out-of-box condition. (When a safety
network number does not exist in the replacement safety device, and the node
number and I/O device keying matches the configuration of the controller.)
ATTENTION: Enable the Configure Always feature only if the entire routable
Safety control system is not being relied on to maintain SIL 2 or SIL 3 behavior
during the replacement and functional testing of a device. See Routable CIP
Safety System on page 30.
If other parts of the Safety control system are being relied upon to maintain SIL 2
or SIL 3, make sure that the Configure Always feature of the controller is
disabled.
It is your responsibility to implement a process to make sure that proper safety
functionality is maintained during device replacement.
ATTENTION: To place a device in the out-of-box condition on a Safety
network when the Configure Always feature is enabled, follow the device
replacement procedure in the user manual:
• ControlLogix 5580 and GuardLogix 5580 Controllers User Manual,
publication 1756-UM543
• CompactLogix 5380 and Compact GuardLogix 5380 User Manual,
publication 5069-UM001
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