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11.3 Diagnosis of Communication Module through SoftMaster
SoftMaster connection program can be used to monitor the communication module simply. Connect with
CPU port and then select [Online] -> [Diagnosis] -> [PLC History] in SoftMaster.
If a hardware error or a CPU interface error occurs on the module, LED of the communication module itself
operates abnormally in general, whose status can be monitored simply through its dedicated program.
[Figure 11.3.1] shows Error/Warning information through PLC History on the SoftMaster [Diagnosis] menu.
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Pnet I/F Module 2MLL-PSRA, 2MLL-PMEA, 2MLL-PMEB User's Guide
[Figure 11.3.1] PLC history details monitor
Honeywell
Chapter 11 Troubleshooting
January 2019
R220
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