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Mitsubishi Electric FR-F720P-0.75K Instruction Manual Page 109

Fr-f700p series.
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Parameter list
Parameter
Name
Special operation and frequency control — Switching between the inverter and the bypass
operation (Pr.135 to Pr.139, Pr.159)
Electronic bypass
135
sequence selection
MC switchover
136
interlock time
137
Start waiting time
Bypass selection at a
138
fault
Automatic switchover
frequency from
139
inverter to bypass
operation
Automatic switchover
frequency range from
159
bypass to inverter
operation
140
143
to
Refer to Pr.29.
144
Refer to Pr.37.
Setting of the parameter unit and operation panel — Parameter unit language switchover
(Pr.145)
PU display language
145
selection
147
Refer to Pr.7 and Pr.8.
148,149
Refer to Pr.22 and Pr.23.
102
Incre-
Initial
Range
ments
Value
0
1
0
1
0.1s
1s
0 to 100s
0.1s
0.5s
0 to 100s
0
1
0
1
0 to 60Hz
0.01Hz
9999
9999
0 to 10Hz
0.01Hz
9999
9999
0
1
2
3
1
0
4
5
6
7
Description
Without electronic bypass sequence
With electronic bypass sequence
Set the operation interlock time of MC2 and
MC3.
Set the time slightly longer (0.3 to 0.5s or so)
than the time from when the ON signal enters
MC3 until it actually turns ON.
Inverter output is stopped (motor coast) at
inverter fault.
Operation is automatically switched to bypass
operation at inverter fault (Not switched when
an external thermal relay operation (E.OHT) or
CPU fault (E.CPU) occurs)
Set the frequency to switch inverter operation
to bypass operation.
Without automatic switchover
Valid during automatic switchover operation
(Pr.139 ≠ 9999)
When the frequency command decreases
below (Pr.139 - Pr.159) after operation is
switched from inverter operation to bypass
operation, the inverter automatically switches
operation to inverter operation and operates at
the frequency of frequency command.
When the inverter start command (STF/STR) is
turned OFF, operation is switched to inverter
operation also.
Valid during automatic switchover operation
(Pr.139 ≠ 9999)
When the inverter start command (STF/STR) is
turned OFF after operation is switched from
inverter operation to bypass operation,
operation is switched to inverter operation and
the motor decelerates to stop.
Japanese
English
Germany
French
Spanish
Italian
Swedish
Finnish
: enabled
× : disabled
V/F
V/F
V/F
S
S
S
MFVC
MFVC
MFVC
×
×

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