FREQROL Inverter Driver
GP-Pro EX Device/PLC Connection Manual
19
External Device Settings
Use the PU/EXT key, MODE key, M dial and SET key in the operation panel of the CPU unit for External Device
communication settings.
Refer to your External Device manual for details.
1
Turn ON the power supply.
2
Press PU/EXT key to select the PU operation mode.
3
Press MODE key to select the parameter setting mode.
4
Display the setting parameter number with M dial.
5
Press SET key to display the current setting value.
6
Set the setting value with M dial.
7
Press SET key to confirm the setting value.
Setting Parameter Number
Setting Value
Setup Description
331
0
RS-485 communication station
332
192
RS-485 communication speed
333
1
RS-485 communication stop bit length
334
2
RS-485 communication parity check
selection
335
1
RS-485 communication retry count
336
Any Except 0
RS-485 communication check time interval
337
9999
RS-485 communication waiting time setting
341
1
RS-485 communication CR/LF selection
549
0
Protocol selection
• Always restart the Eternal Device after changing parameters.