F800 And A800 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
5.8

F800 and A800 Series (when built-in RS-485 terminal is connected)

5.8.1 Contents of parameter setting
1. Contents of communication setting (essential items)
The table below shows parameters which should be set in all cases.
Parameter Parameter
No. group
Pr331 N030
Pr332 N031
—
Pr333
N032
N033
Pr334 N034
Pr337 N037
Pr341 N038
Pr79 D000
Pr340 D001
Pr549 N000
2. Parameters which should be adjusted between test operation and actual operation
Parameter Parameter
No. group
Pr335 N035
Pr336 N036
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 Parameter
No. group
Pr342 N001
Pr338 D010
Pr339 D011
Parameter item
RS-485 communication station
RS-485 communication speed
RS-485 communication stop bit length/
data length
RS-485 communication data length
RS-485 communication stop bit length
RS-485 communication parity check
selection
RS-485 communication waiting time
setting
RS-485 communication CR/LF selection
Operation mode selection
Communication startup mode selection
Protocol selection
Parameter item
RS-485 communication number of
retries
RS-485 communication check time
interval
Parameter item
Communication EEPROM write
selection
Communication operation command
source
Communication operation command
source
5 Communication Setting in Inverter
5.8 F800 and A800 Series (when built-in RS-485 terminal is connected)
Set value Setting contents
00 to 31 Up to eight inverters can be connected.
48 4800 bps
96 9600 bps (standard)
192 19200 bps
384 38400 bps
10 Data length: 7-bit/Stop bit: 1-bit
1 Data length: 7 bits
0 Stop bit: 1 bit
2 2: Even parity
9999 Set in communication data
1 CR: Provided, LF: Not provided
External operation mode is selected
0
when power is turned ON.
1 Computer link
Mitsubishi inverter (computer link)
0
protocol
Set value Setting contents
Set the value shown on the left during
9999 adjustment, and set a value from 1 to
10 during operation.
Set the value shown on the left during
adjustment, and set a value in
9999
accordance with the system
specification during operation.
Set value Setting contents
0: Write to EEPROM and RAM.
0 or 1
1: Write to RAM only.
0: PLC
0 or 1
1: Outside
0: PLC
0 or 1
1: Outside
A
B
C
D
E
F
G
H
I
Apx.A
E-67