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Inverter Communication Settings; Freqrol-a800 Series - Mitsubishi Electric FX5 User Manual

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4.6

Inverter Communication Settings

Before connecting an inverter to a PLC, set parameters related to communication in the inverter parameter unit (PU) in
advance.
For details on each function, refer to the inverter manual for each respective series.
Model
Model
classification
A800 Series
Inverter built in
F700PJ Series
Inverter built in
F700P Series
Inverter built in
A700 Series
Inverter built in
E700 Series
Inverter built in
Option
E700EX Series
Inverter built in
D700 Series
Inverter built in
V500 Series
Inverter built in
Option
If these parameters are overwritten by the PLC after the inverter is connected, communication will be
disabled.
If these parameters are changed by mistake, they should be set again.

FREQROL-A800 series

Connection destination: Built-in RS-485 terminal
Contents of communication setting (essential items)
The table below shows parameters which should be set in all cases.
Pr.
Parameter
group
331
N030
332
N031
N032
N033
333
334
N034
337
N037
341
N038
549
N000
79
D000
340
D001
4 INVERTER COMMUNICATION
90
4.6 Inverter Communication Settings
Connection
destination
RS-485 terminal
PU port
RS-485 terminal
RS-485 terminal
PU port
FR-E7TR
PU port
PU port
PU port
FR-A5NR
Parameter item
RS-485 communication station
RS-485 communication speed
RS-485 communication data length
RS-485 communication stop bit length
RS-485 communication stop bit length/
data length
RS-485 communication parity check
selection
RS-485 communication waiting time
setting
RS-485 communication CR/LF
selection
Protocol selection
Operation mode selection
Communication startup mode selection
Relevant parameters
Pr.79, Pr.331 to Pr.342, Pr.549
P.N000, P.N001, P.N030 to P.N038, P.D000, P.D001, P.D010, P.D011
Pr.79, Pr.117 to Pr.124, Pr.340, Pr.549
Pr.79, Pr.331 to Pr.342, Pr.549
Pr.79, Pr.331 to Pr.342, Pr.549
Pr.79, Pr.117 to Pr.124, Pr.340, Pr.549
Pr.79, Pr.117 to Pr.124, Pr.340, Pr.549
Pr.79, Pr.117 to Pr.124, Pr.340, Pr.549
Pr.79, Pr.117 to Pr.124, Pr.342
Pr.79, Pr.331 to Pr.342
Setting
Set conditions
value
0 to 31
Up to 16 inverters can be connected.
48
4800 bps
96
9600 bps
192
19200 bps
384
38400 bps
576
57600 bps
1152
115200 bps
1
Data length: 7 bits
0
Stop bit: 1 bit
10
Data length: 7 bits
Stop bit: 1 bit
2
Even
9999
Set in communication data
1
CR: Provided, LF: Not provided
0
Mitsubishi inverter (computer link) protocol
0
External operation mode is selected when power is turned ON.
1
Network operation mode
Reference
section
Page 90
Page 93
Page 92
Page 93
Page 94

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