Modbus remote i/o communication module rtu-485 – Delta Electronics Communication Module RTU-485 User Manual
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Modbus Remote I/O Communication Module RTU-485
DVP-PLC Application Manual
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7
LED INDICATOR & TROUBLE-SHOOTING ..................................................................................... 11
7.1
POWER LED .............................................................................................................................11
7.2
RUN LED ...................................................................................................................................11
7.3
ALARM LED ..............................................................................................................................11
7.4
RS-485 LED ............................................................................................................................. 12