Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 170 / 608

Parameter overview Parameter
6 - 16
햲
These parameters are communication parameters that are not cleared when parameter clear (all
clear) is executed from RS-485 communication.
(Refer to section 6.19 for RS-485 communication).
Func-
tion
Parameter
Name
Incre-
ments
Initial
Value
Setting
Range
Description
Para-
meter-
Copy
Para-
meter
Clear
All
Para-
meter
Clear
Refer
to
Page
Rela
te
d
Paramet
ers
✔
: Enabled
—: Disabled
Communica
tion initial setting
117 PU communication station 1 0
0–31
(0–247)
Set the inverter station numbers when two
or more inverters are connected to one
personal computer.
When "1" (Modbus®-RTU protocol) is set in
Pr. 549, the setting range within parenthesis
is applied.
✔
✔
햲
✔
햲
6-234
118 PU communication speed 1 192
48/96/
192/384
Set the communication speed. The setting
value 100 equals the communication
speed.
For example, the communication speed is
19200bps when the setting value is "192".
✔
✔
햲
✔
햲
119
PU communication stop bit
length
1 1
0
Stop bit length: 1 bit
data length: 8 bits
✔
✔
햲
✔
햲
1
Stop bit length: 2 bits
data length: 8 bits
10
Stop bit length: 1 bit
data length: 7 bits
11
Stop bit length: 2 bits
data length: 7 bits
120
PU communication parity
check
1 2
0
Without parity check
(for Modbus®-RTU: stop bit length: 2bits)
✔
✔
햲
✔
햲
1
With odd parity check
(for Modbus®-RTU: stop bit length: 1 bits)
2
With even parity check
(for Modbus®-RTU: stop bit length: 1 bits)
121
Number of PU communication
retries
1 1
0–10
If the number of consecutive errors exceeds
the permissible value, E.PUE (computer
link)/E.ESR (Modbus®-RTU) will cause an
alarm stop.
✔
✔
햲
✔
햲
9999
If a communication error occurs, the inverter
will not come to an alarm stop.
122
PU communication check
time interval
0.1 s 9999
0 No PU connector communication
✔
✔
햲
✔
햲
0.1–999.8 s
Set the communication check time interval.
If a no-communication state persists for
longer than the permissible time, the
inverter will come to an alarm stop.
9999 No communication check
123
PU communication waiting
time setting
1 9999
0–150 ms
Set the waiting time between data
transmission to the inverter and response.
✔
✔
햲
✔
햲
9999 Set with communication data.
Tab. 6-1: Parameter overview (16)