Automatic Restart After Instantaneous Power Failure (Pr. 57, Pr. 58, Pr. 162 To Pr. 165) - Mitsubishi FR-F500 Instruction Manual

4.2.24 Automatic restart after instantaneous power failure
(Pr. 57, Pr. 58, Pr. 162 to Pr. 165)
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"
# 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 (undervoltage protection) or E.IPF (instantaneous power failure
protection) alarm output signal being output at occurrence of an instantaneous power failure.)
Parameter Factory Setting
Number Setting Range
0, 0.1 to
57 9999
5 s, 9999
58 1.0 s 0 to 60 s
162 0
163 0 s 0 to 20 s
164 0% 0 to 100%
165 120% 0 to 150%
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] + [speed detection time]
Pr. 57 setting
Remarks
9999: No restart
0: Frequency
search
0, 1
1: No frequency
search
Cushion voltage time (value set in Pr. 58)
Approx. 5s
NFB
MC1
R L U
1
S L V
2
T L W
3
R1 L
11
S1 L
21
STF
CS
SD
CS
SD
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)
89
PARAMETERS
MC2
MC3
IM
MC switching sequence
Connect CS-SD for use of only
automatic restart after instantaneous
power failure.
Cushion voltage time
Coasting time
Pr. 58 setting
Pr. 57 setting
4