Mitsubishi FX3U-232-BD User Manual page 329

FX Series PLC User's Manual - Data Communication Edition
Inverter Communication
5.6 E700 Series (when PU port is connected)
5.6.1 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.
Pr117 PU communication station number
Pr118 PU communication speed
Pr119 PU communication stop bit length
Pr120 PU communication parity check
Pr123 PU communication waiting time setting
PU communication CR/LF presence/
Pr124
absence selection
Pr79 Operation mode selection
Pr549 Protocol selection
Pr340 Communication startup mode selection
2. Parameters which should be adjusted between test operation and actual operation
Parameter No.
Pr121 Number of PU communication retries
Pr122 PU communication check time interval
Caution on setting the PU communication check time interval (Pr122)
During adjustment or when communication with the PLC is not executed periodically
When communication with the PLC is not executed
Set the communication time in the following cases
• When it is necessary to monitor absence of communication for a certain time and stop
the inverter in such a case while communication with the PLC is being executed
• When it is necessary to stop the motor at the point which the PLC mode is changed
from RUN to STOP
Parameter item
Parameter item
Description
5 Communication Setting in Inverter
5.6 E700 Series (when PU port is connected)
Set value Setting contents
00 to 31 Up to eight inverters can be connected.
48 4800 bps
96 9600 bps
192 19200 bps (standard)
10 Data length: 7-bit/Stop bit: 1-bit
2 2: Even parity
9999 Set in communication data
1 CR: Provided, LF: Not provided
External operation mode is selected when
0
power is turned ON.
Mitsubishi inverter
0
operation) protocol
1: Network operation mode
10: Network operation mode
Operation mode can be changed
1 or 10
between the PU operation mode and
network operation mode from the
operation panel.
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 proper value in
9999
accordance with the system specification
during operation.
A
B
C
D
(computer link
E
F
G
Set value
H
9999
0 (Initial Value)
0.1 to 999.8 sec
Apx.
E-39
I