Initial Setting Of Operation Via Communication - Mitsubishi Electric 800 Series Instruction Manual

4.3

Initial setting of operation via communication

Set the action when the inverter is performing operation via communication.
• Set the RS-485 communication protocol. (Mitsubishi inverter protocol/MODBUS RTU protocol)
• Set the action at fault occurrence or at writing of parameters
Pr.
Pr. Name
group
549 N000 Protocol selection
Communication
342 N001 EEPROM write
selection
Stop mode selection at
502 N013
communication error
Operation frequency
779 N014 during communication
error
Initial Setting
value range
0 Mitsubishi inverter protocol (computer link)
0
1 MODBUS RTU protocol
Parameter values are written to the EEPROM and RAM by
0
communication.
0
1 Parameter values are written to the RAM only by communication .
At fault occurrence
Output shutoff
0
"E.SER" indication
ALM signal output
Output to decelerate and stop the
motor
1
"E.SER" indication after stop
ALM signal output after stop
0
Output to decelerate and stop the
2 motor
"E.SER" indication after stop
Operation continues at the
3
frequency set in Pr.779.
Operation continues at the
4 frequency set in Pr.779.
"CF" indication
0 to 590 Hz Set the frequency for the operation when a communication error occurs.
9999
Operation continues at the same frequency before the communication
9999
error.
Description
At fault removal
Output stop status continues.
("E.SER" indication)
Output stop status continues.
("E.SER" indication)
Restart
Normal
PARAMETER
4
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