RS485 communication
187
Com
mu
nica
tion
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.
Summary of Contents for SV-iG5H Series
Page 1: ...Thank you for purchasing LS Variable Frequency Drives ...
Page 14: ......
Page 23: ...9 Installation Wiring Installation 2 3 Terminal wiring Control I O ...
Page 24: ...10 Installation Wiring ...
Page 51: ...37 Programming Keypad Basic operation Basic Ops Wiring Operating pattern ...
Page 174: ...Protective functions 160 ...
Page 220: ...206 DECLARATION OF CONFIRMITY ...
Page 224: ...210 ...