F700 And A700 Series (When Built-In Rs-485 Terminal Is Connected) - Mitsubishi Electric FX3U-232-BD User Manual

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
5.7

F700 and A700 Series (when built-in RS-485 terminal is connected)

5.7.1 Contents of parameter setting
1. Contents of communication setting (essential items)
The table below shows parameters which should be set in all cases.
Parameter No.
Pr331
Pr332
Pr333
Pr334
Pr337
Pr341
Pr79
Pr340
Pr336
Pr549
2. Parameters which should be adjusted between test operation and actual operation
Parameter No.
Pr335
3. Others (which should be set if necessary)
The table below shows parameters to be considered when using various system configuration and inverters.
For the method of use, refer to the respective inverter manual.
Parameter No.
Pr342
Pr338
Pr339
E-64
Parameter item
RS-485 communication station
RS-485 communication speed
RS-485 communication stop bit length
RS-485 communication
selection
RS-485 communication waiting time setting
RS-485 communication CR/LF selection
Operation mode selection
Communication startup mode selection
RS-485 communication check time interval
Protocol selection
Parameter item
RS-485 communication number
of retries
Parameter item
Communication EEPROM write selection
Communication operation command source
Communication operation command source
5.7 F700 and A700 Series (when built-in RS-485 terminal is connected)
Set value
00 to 31
48
96
192
384
10
parity check
2
9999
1
0
1
9999
0
Set value
Set the value shown on the left during adjustment, and
9999
set a value from 1 to 10 during operation.
Set value
0 or 1
0 or 1
0 or 1
5 Communication Setting in Inverter
Setting contents
Up to eight inverters can be connected.
4800 bps
9600 bps (standard)
19200 bps
38400 bps
Data length: 7-bit/Stop bit: 1-bit
2: Even parity
Set in communication data
CR: Provided, LF: Not provided
External operation mode is selected when
power is turned ON.
Computer link
Communication check is stopped.
Mitsubishi inverter (computer link) protocol
Setting contents
Setting contents
0: EEPROM is written.
1: RAM is written.
0: PLC
1: Outside
0: PLC
1: Outside