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Automatic Restart (pr. 57, Pr. 58); Automatic Restart After Instantaneous Power Failure (pr. 57, Pr. 58, Pr. 162 To Pr. 165) - Mitsubishi Electric FR-V560 Instruction Manual

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Automatic restart (Pr. 57, Pr. 58)

4.8 Automatic restart (Pr. 57, Pr. 58)
4.8.1
Automatic restart after instantaneous power failure
with
Encoder
(Pr. 57
Speed
You can restart the inverter without stopping the motor (with the motor coasting) when power is restored after
an instantaneous power failure.
Parameter
Name
57
Restart coasting time
58
Restart cushion time
Automatic restart after
162
instantaneous power
failure selection
First cushion time for
163
restart
First cushion voltage
164
for restart
Restart current
165
restriction level
<When vector control with encoder is exercised>
(The Pr. 162 setting "0, 1" is invalid under vector control with encoder.)
Instantaneous power failure (power failure) time
Power supply
(R, S, T)
Motor speed N
(r/min)
Inverter output
speed f (r/min)
* 0r/min when search speed is 15r/min or less.
Pr.58 is invalid under vector control
<When vector control without encoder is exercised>
Pr. 162 = 0 (with speed search)
Instantaneous power failure (power failure) time
Power supply
(R, S, T)
Motor speed N
(r/min)
Inverter output
frequency (Hz)
Inverter output
voltage E (V)
Pr.57 +
Speed search time
<When V/F control is exercised>
Pr. 162 = 0 (with speed search)
Instantaneous power failure (power failure) time
Power supply
(R, S, T)
Motor speed N
(r/min)
Inverter output
frequency (Hz)
Inverter output
voltage E (V)
Pr.57 +
Speed search time
REMARKS
When Pr. 162 = "1", the output speed before an instantaneous power failure is stored and output at the time of restart.
If the power of the inverter control circuit is lost, the output speed berore an instantaneous power failure cannot be
stored and the inverter will start at 0r/min.
without
with
without
Encoder
Encoder
Encoder
, Pr. 58, Pr. 162 to Pr. 165
Torque
Factory Setting Setting Range
9999
1.0s
0
0s
0%
150%
Pr.57
Pr.7
Power supply
Motor speed N
Inverter output
frequency (Hz)
Inverter output
voltage E (V)
Pr.7
Power supply
(R, S, T)
Motor speed N
(r/min)
Inverter output
frequency (Hz)
Inverter output
voltage E (V)
Pr.7
Restart voltage cushion time
(Pr. 58 setting)
0
Set to 0.1s.
0.1 to 5s
9999
9999: No restart
0 to 60s
Valid for V/F control
0
0: With speed search
1
1: Without speed search
10: Speed search
10
initiated per start
0 to 20s
0 to 100%
Valid for V/F control
0 to 200%
Pr. 162 = 1 (without speed search)
Instantaneous power failure (power failure) time
(R, S, T)
(r/min)
Coasting time
Pr. 57 setting
Pr. 162 = 1 (without speed search)
Instantaneous power
failure (power failure) time
Coasting time
Pr. 57 setting
Restart voltage cushion time
Pr. 58 setting
114
with
without
with
Encoder
Encoder
Encoder
Speed
Torque
Remarks
Valid for vector control
without encoder and
V/F control ("10" is
valid for vector control
with encoder also)
Restart voltage cushion time
Voltage
100%
Pr.164
Time
Pr.163
Pr.58
Pr. 163 = 0s, Pr. 164 = 0%
without
Encoder
)

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