RS485 communication
187
Com
munic
ation
11.8 Troubleshooting
Refer to Troubleshooting when RS-485 communication error occurs.
Check points
Corrective measures
Is the power provided to the converter?
Provide electric power to the converter.
Are the connections between converter and
computer correct?
Refer to converter manual.
Is Master not polling?
Verify the master is polling the inverter.
Is baud rate of computer and inverter correctly
set?
Set the correct value in accordance with
“11.3
Installation
”.
Is the data format of user program* right?
Revise User Program (Note1).
Is the connection between converter and
communication card right?
Check for GF the correct wiring in
accordance with
“11.3 Installation”.
Note
User program is User-made S/W for PC.
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Summary of Contents for iG5H Series
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Page 22: ...9 Installation Wiring Installation 2 3 Terminal wiring Control I O www barghmaher ir ...
Page 23: ...10 Installation Wiring www barghmaher ir ...
Page 50: ...37 Programming Keypad Basic operation Basic Ops Wiring Operating pattern www barghmaher ir ...
Page 173: ...Protective functions 160 www barghmaher ir ...
Page 219: ...206 DECLARATION OF CONFIRMITY www barghmaher ir ...
Page 223: ...210 www barghmaher ir ...