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Parameter list
Parameter
Function
PU
117
communication
station number
PU
118
communication
speed
PU
119
communication
stop bit length
PU
120
communication
parity check
Number of PU
121
communication
retries
PU
communication
122
check time
interval
PU communication
123
waiting time setting
PU communication
124
CR/LF selection
Communication
EEPROM write
342
selection
Communication
343
error count
Stop mode
selection at
502
communication
error
Protocol selection
549
84
Incre-
Initial
Name
ments
Value
1
0
1
192
1
1
1
2
1
1
0.1s
0
1
9999
1
1
1
0
1
0
1
0
1
0
Range
Description
Inverter station number.
Set the inverter station numbers when two
or more inverters are connected to one
0 to 31
personal computer.
(0 to 247)
When "1" (Modbus-RTU protocol) is set in
Pr. 549, the setting range within parenthesis
is applied.
Communication speed.
The setting value X 100 equals the
48, 96,
communication speed.
192, 384
(For example, 19200bps when the setting
value is 92)
0
Stop bit length: 1 bit data length: 8bit
1
Stop bit length: 2 bit data length: 8bit
10
Stop bit length: 1 bit data length: 7bit
11
Stop bit length: 2 bit data length: 7bit
Without parity check
0
(for Modbus-RTU: stop bit length: 2bit)
With odd parity check
1
(for Modbus-RTU: stop bit length: 1bit)
With even parity check
2
(for Modbus-RTU: stop bit length: 1bit)
Number of retries at data receive error
occurrence
0 to 10
If the number of consecutive errors
exceeds the permissible value, the inverter
will come to trip.
If a communication error occurs, the
9999
inverter will not come to trip.
RS-485 communication can be made. Note
that a communication error (E.PUE) occurs
0
as soon as the inverter is switched to the
operation mode with command source.
Communication check (signal loss
detection) time interval
0.1 to
If a no-communication state persists for
longer than the permissible time, the
999.8s
inverter will come to trip (depends on Pr.
502).
No communication check (signal loss
9999
detection)
Waiting time between data transmission to
0 to 150ms
the inverter and response.
9999
Set with communication data.
0
Without CR/LF
1
With CR
2
With CR/LF
Parameter values written by
0
communication are written to the EEPROM
and RAM.
Parameter values written by
1
communication are written to the RAM.
Displays the number of communication
errors during Modbus-RTU
communication. (Reading only)
Displayed only when Modbus-RTU
protocol is selected.
0, 3
Select the inverter
operation if a
communication error
1, 2
occurs.
Mitsubishi inverter
0
(computer link
operation) protocol
Modbus-RTU
1
protocol
Param
Param
eter
eter
Copy
Clear
×
Coasts to stop
Decelerates to stop
After setting
change, reset is
required (switch
power OFF, then
ON). The setting
change is reflected
after a reset.
All
Param
eter
Clear
×
×

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