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Automatic Restart After Instantaneous Power Failure (pr. 57, Pr. 58, Pr. 162, Pr. 165, Pr. 611) - Mitsubishi Electric FR-A500 Instruction Manual

Transistorized inverter.
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4.2.23 Automatic restart after instantaneous power failure
(Pr. 57, Pr. 58, Pr. 162, Pr. 165, Pr. 611)
Pr. 57 "restart coasting time"
Pr. 58 "restart cushion time"
Pr. 162 "automatic restart after instantaneous power failure selection"
Pr. 163 "first cushion time for restart"
Pr. 164 "first cushion voltage for restart"
Pr. 165 "restart stall prevention operation level"
Pr. 611 "restart acceleration time"
You can restart the inverter without stopping the motor (with the motor coasting) when the commercial
power supply is switched to the inverter operation or when the power is restored after an instantaneous
power failure. (When restart operation is set to be enabled, an automatic restart after instantaneous power
failure is made without the E.UVT (under voltage protection) or E.IPF (instantaneous power failure
protection) alarm output signal being output at occurrence of an instantaneous power failure.)
Parameter
Factory
Setting Range
Number
Setting
57
9999
0, 0.1 to 5 s, 9999
58
1.0 s
162
0 s
163
0 s
164
0%
165
150%
611
5.0s
0 to 3600s, 9999
When Pr. 162 = 0 (with frequency search)
Instantaneous power failure time
Power supply ( R, S, T)
Motor speed
N (r/min)
Inverter output
frequency
f (Hz)
Inverter output
voltage
E (V)
Coasting
time
Pr. 57 setting
* The output shut off timing differs according to the load condition.
Remarks
9999: No restart
0 to 60 s
0: Frequency
search
0, 1
1: No frequency
search
0 to 20 s
0 to 100%
0 to 200%
*
speed
Restart acceleration time. ( Pr. 611 setting)
+
detection time
Cushion voltage time ( Pr. 58 setting )
MC1
MCCB
R <L
>
1
S
<L
>
2
T
<L
>
3
R1 <L
11
S1
When Pr. 162 = 1 (without frequency search)
Instantaneous power failure time
Power supply ( R, S, T)
Motor speed
N (r/min)
Inverter output
frequency
f (Hz)
Inverter output
voltage
E (V)
94
PARAMETERS
MC2
MC3
U
V
W
>
STF
CS
SD
MC switching sequence
Connect CS-SD for use of only
CS
automatic restart after instantaneous
SD
power failure.
*
Cushion voltage time
Coasting time
Pr. 58 setting
Pr. 57 setting.
IM

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