LSIS sv-ip5a

Chapter 9 – RS485 Communication
9-12
9.6 Troubleshooting
Refer to the below chart when RS485 communication error occurs.
Is RS232-485
converter power
supply ON?
is the wiring of
inverter and
converter correctly
conducted?
is
communication
program on PC
operating?
Yes
Is port setting
proper?
Yes
Yes
Yes
Yes
Apply the
power to the
converter.
(see converter
manual.)
No
Check for the
correct wiring.
(see converter
manual)
No
Start the PC
communication
program.
No
Press F10 key
and make it
correct.
No
Status LEDs
(TXD, RXD) are not blinking.