Instantaneous Power Failure (E.ipf Display), Automatic Restart After Instantaneous Power Failure; [Demonstration] - Mitsubishi Electric FATEC FR-A800 Manual

5
BREAKDOWN MAINTENANCE
5.2.8 Instantaneous power failure (E.IPF display), automatic restart after
instantaneous power failure [Demonstration]
Turn ON STF and high speed RH to display 60 Hz. Turn ON the load button and turn the
potentiometer of the load setting to the right as far as it goes. Set the load torque to 150%. Set the
timer of the instantaneous power failure to 0.03 to 0.05 seconds, and press the instantaneous power
failure button. Check that E.IPF is displayed.
26
MCCB
5.2 Troubleshooting by the demonstration machine
74
20 21
Inverter demonstration machine
Load torque Motor speed
Instantaneous power
Mechanical load
failure time setting
Overheat Thermal reset
29
24 25
Load
Instantaneous power failure
ON/OFF CAUTION
Always turn off
23 28
the switch when
the load is OFF.
Inverter reset
Load setting
RES
19
22
Emergency stop
27
Forward rotation
STF
17
Operation panel
Frequency setting Compensation input
Terminal 2
9
High speed Middle speed
Turn the dial of the instantaneous RH RM
11 12
power failure timer to 0.03 to 0.05
seconds.
Second function Output stop
RT MRS
14 15
CAUTION
Always operate this demonstration
machine at 60 Hz or less.
Inverter
FR-A820
1
Reverse rotation
FM terminal output AM terminal output
STR
18
Terminal 1
10
Output terminal status
Up to Instantaneous Frequency
Low speed
Running Overload
frequency power failure detection
RL
RUN SU IPF OL FU
13
3 4 5 6 7
Automatic restart after
instantaneous
power failure
CS
16
Motor
2
Fault output
ABC
8