Triangle Tube’s ProtoNode Startup Guide
Page 27 of 40
ProtoCessor
1991 Tarob Court Milpitas, California 95035 USA
Web
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No COMS on Modbus RTU side. If Tx/Rx are not flashing rapidly then there is a COM issue on the Modbus
side and you need to check the following things:
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Visual observations of LEDs on ProtoNode. (Appendix A.4)
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Check Modbus device address
o
Verify wiring
o
Verify all the Modbus RTU devices were discovered in FST Web Configurator. (Section 4.2)
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Field COM problems:
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Visual observations of LEDs on ProtoNode. (Appendix A.4)
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Visual dipswitch settings (using correct baud rate and device instance)
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Verify IP address setting
o
Verify wiring
If the problem still exists, a Diagnostic Capture needs to be taken and sent to FieldServer. (Appendix A.2)
Appendix A.1. Check Wiring and Settings
Appendix A.
Troubleshooting