Rockwell Automation Allen-Bradley 1734-IB8S, User Manual

Page: 142 / 212

142 Rockwell Automation Publication 1734-UM013J-EN-P - July 2014
Chapter 8 Replacing POINT Guard 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 page 142 .
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 .