Rockwell Automation Allen-Bradley Guardmaster 440R-S35011, Руководство пользователя

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Rockwell Automation Publication 440R-UM014D-EN-P - December 2019 33
Chapter
8
Troubleshooting
This chapter explains a systematic approach to determine the likely cause of the
MSR55P safety relay being in a faulted state or not operating properly. It
describes the procedures that you use to troubleshoot your relay.
Tools Needed
To troubleshoot your MSR55P safety relay, you need the following tools.
Required Tools
•
Medium-sized Screwdriver:
For terminal screws, to remove terminal
blocks, and to configure the switches on the front face of the relays.
•
Digital Multimeter:
To measure signal levels and contact resistance.
3 mm (0.12 in.)
0.5 mm (0.02 in.)