142 Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 8 Replacing POINTGuard I/O Modules
controller to download the proper module configuration, and re-establish the
safety connection.
Scenario 1 - Replacement Module Is Out-of-box and Safety Signature Exists
1. Remove the old I/O module and install the new module.
2. Right-click the replacement POINT Guard I/O module and choose
Properties.
3. Click to the right of the safety network number to open the Safety
Network Number dialog box.
4. Click Set.
Table 11 - Replacing a Module
GuardLogix Safety
Signature Exists
Replacement
Module Condition
Action Required
No No SNN
(Out-of-box)
None. The module is ready for use.
Yes or No Same SNN as original
safety task
configuration
None. The module is ready for use.
Yes No SNN
(Out-of-box)
See Scenario 1 - Replacement Module Is Out-of-box and Safety
Signature Exists on page142.
Yes
Different SNN from
original safety task
configuration
See Scenario 2 - Replacement Module SNN Is Different from Original
and Safety Signature Exists on page 143.
No See Scenario 3 - Replacement Module SNN Is Different from Original
and No Safety Signature Exists on page 144.
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