Troubleshooting with modbus – Rockwell Automation 440C Guardmaster 440C-CR30 Configurable Safety Relay User Manual User Manual
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Rockwell Automation Publication 440C-UM001C-EN-P - November 2014
Chapter 15
Troubleshooting
Figure 125 - Recent Fault List
Troubleshooting with
Modbus
Many faults can be reported to an HMI or PLC using Modbus.
shows a
list of the Modbus addresses for faults.
Table 17 - Modbus Addresses for Faults
Modbus Address
Parameter
000265
Processor HW fault
000266
Safety Input HW fault
000267
Safety Output HW fault
000268
Power supply fault / Main transistor fault
000269
Communication fault
000270
Configuration fault (wrong revision, invalid configuration)
000271
Time out (Clock monitoring)
000272
Plug-in fault
000393...000416
Fault bit 0 of SMF 0...23
000417...000440
Fault bit 1 of SMF 0...23
000441...000464
Fault bit 2 of SMF 0...23
000465...000488
Fault bit 3 of SMF 0...23
000489...000504
Retrigger Fault SOF 0...23
000505...000512
Cross Fault of Terminals 12...17
000849...000860
Fault log