Precautions for maintenance and inspection
Measurement of main circuit voltages, currents and powers
FR-A800
7 - 19
7.2.8 Insulation
resistance test using megger
For the inverter, conduct the insulation resistance test on the main circuit only as shown below and
do not perform the test on the control circuit. (Use a 500 V DC megger.)
7.2.9 Pressure
test
Do not conduct a pressure test. Deterioration may occur.
I002463E
Fig. 7-14:
Insulation resistance test
NOTES
Before performing the insulation resistance test on the external circuit, disconnect the cables from
all terminals of the inverter so that the test voltage is not applied to the inverter.
For the continuity test of the control circuit, use a tester (high resistance range) and do not use the
megger or buzzer.
U
V
W
R/L1
S/L2
T/L3
Inverter
Motor
M
3 ~
Power
supply
500 V DC
megger
Содержание FR-A800
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Страница 22: ...Contents XVIII ...
Страница 30: ...Related manuals Introduction 1 8 ...
Страница 122: ...Connection of stand alone option units Installation and wiring 2 92 ...
Страница 180: ...Basic operation procedure JOG operation Basic operation 4 32 ...
Страница 934: ...Check first when you have a trouble Protective functions 6 46 ...
Страница 954: ...Measurement of main circuit voltages currents and powers Precautions for maintenance and inspection 7 20 ...
Страница 1030: ...EC Declarations of Conformity Appendix A 46 A 5 EC Declarations of Conformity A 5 1 Low Voltage Directive ...
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