Filter
Top Products
RS485 Protocol C-9
C.7 Troubleshooting
Refer to Troubleshooting when RS 485 communication error occurs.
Check Points Corrective Measures
Is power provided to the converter? Provide electric power to the converter.
Are the connections between converter
and computer correct?
Refer to the converter manual.
Is Master not polling? Verify the Master is polling the drive.
Is baud rate of computer and drive set
correctly?
Set the correct value.
Is the data format of user program
correct?
Set data formats equal between drive and
computer.
Is the connection between the converter
and the communication card correct?
Check for the correct wiring.