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Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016
Chapter 6
Replace Guard I/O Modules
Reset the Module to Out-of-
box Configuration
If a Guard I/O module was used previously, clear the existing configuration
before installing it on a safety network.
When the programming software is online, the Safety tab of the Module
Properties dialog box displays the current configuration ownership. When the
opened project owns the configuration, Local is displayed. When a second
device owns the configuration, Remote is displayed, along with the safety
network number (SNN), and node address or slot number of the configuration
owner. Communication error is displayed if the module read fails.
If the connection is Local, you must inhibit the module connection before you
reset ownership. To inhibit the module:
1. Right-click the module and choose Properties.
2. Click the Connection tab.
3. Check the inhibit module checkbox.
4. Click Apply and then OK.
Follow these steps to reset the module to its out-of-box configuration when
online.
1. Right-click the module and choose Properties.
2. Click the Safety tab.
3. Click Reset Ownership.
Replace a Module in a
GuardLogix System
The replacement of safety devices requires that the replacement device is
configured properly and that the operation of the replacement device is user-
verified.
Two options for I/O device replacement are available on the Safety tab of the
Controller Properties dialog box in the programming software:
• Configure Only When No Safety Signature Exists
• Configure Always
ATTENTION:
During replacement or functional testing of a device, the safety
of the system must not rely on any portion of the affected device.
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