Maintenance and inspection
Measurements on the main circuit
FR-E700 SC EC/ENE
8 - 11
8.2
Measurements on the main circuit
This section describes the measurement of the main circuit voltages, currents, powers and insulation
resistance.
Please follow as well the instructions for measuring instruments and measuring methods in section
7.7.
8.2.1
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.)
8.2.2 Pressure
test
Do not conduct a pressure test. Deterioration may occur.
I001872E
Fig. 8-9:
Insulation resistance test
E
CAUTION:
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.
NOTE
For the electric continuity test of the control circuit, use a tester (high resistance range) and do not
use the megger or buzzer.
Power supply
500 V DC megger
Earth
Summary of Contents for fr-e700 series
Page 2: ......
Page 4: ......
Page 20: ...Contents XVI ...
Page 112: ...Operation panel Operation 4 20 ...
Page 154: ...External operation Basic settings 5 42 ...
Page 528: ...CC Link IE Field Network Basic Parameter 6 374 ...
Page 562: ...Meters and measuring methods Troubleshooting 7 34 ...
Page 606: ...A 30 Index Appendix ...
Page 607: ......