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

4.2.23 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 automatic restart operation is set to be enabled, UVT and IPF among the alarm
output signals will not be 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 0 to 60 s
162 0
163 0 s 0 to 20 s
164 0% 0 to 100%
165 150% 0 to 200%
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 speed
+
time 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 〉
1
S 〈L 〉
2
T 〈L 〉
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)
Coasting time
Pr. 57 setting.
89
PARAMETERS
MC2
×
MC3
U
V
IM
W
MC switching sequence
Connect CS-SD for use of only
automatic restart after instantaneous
power failure.
Cushion voltage time
Pr. 58 setting
4