Rockwell Automation Publication 2198-UM001M-EN-P - November 2022 171
Chapter 10 Kinetix 5500 Safe Torque Off - Integrated Safety
Understand Integrated
Safety Drive Replacement
GuardLogix controllers retain the I/O device configuration onboard and are
able to download the configuration to the replacement device.
Replacing a 2198-Hxxx-ERS2 servo drive that sits on an integrated safety
network is more complicated than replacing standard devices because of the
safety network number (SNN).
The device number and SNN compose the safety device’s DeviceID. Safety
devices require this more complex identifier to make sure that duplicate device
numbers do not compromise communication between the correct safety
devices. The SNN is also used to provide integrity on the initial download to
the 2198-Hxxx-ERS2 servo drive.
When the Logix Designer application 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.
Communication error is displayed if the module read fails. See Replace an
Integrated Safety Drive in a GuardLogix System for integrated safety drive
replacement information.
Replace an Integrated
Safety Drive in a
GuardLogix System
When you replace an integrated safety drive, the replacement device must be
configured properly and the replacement drives operation be user-verified.
Two options for safety drive replacement are available on the Safety tab of the
Controller Properties dialog box in the Logix Designer application:
• Configure Only When No Safety Signature Exists
•Configure Always
Figure 80 - Safety Drive Replacement Options
IMPORTANT If a 2198-Hxxx-ERS2 servo drive was used previously, clear the
existing configuration before installing it on a safety network by
resetting the drive to its out-of-box condition. To see how this is
done, refer to Out-of-Box State Support
on page 169.
ATTENTION: During drive replacement or functional test, the safety of the
system must not rely on any portion of the affected drive.
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