— A-5 —
(3) 3 Insulation resistance of Motor winding
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Caution : Disconnect Driver Unit from the Motor when conducting megger test.
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Caution : Do not apply more than DC 500 V.
Figure A-5: With cable set
Figure A-6: motor only
5 10 15
4
9 14
3
8 13
2
7 12
1
6 11
Connector
Tester
A
View from A
Connector Lock
Table A-6: Pins to be checked
Cable connector
Motor connector
Result
Phase A - FG
1 pin
«
7 pin
(A+) (FG)
5 pin
«
13 pin
(A+) (FG)
Phase B - FG
3 pin
«
7 pin
(B+) (FG)
10 pin
«
13 pin
(B+) (FG)
Phase C - FG
5 pin
«
7 pin
(C+) (FG)
15 pin
«
13 pin
(C+) (FG)
Phase A - Phase B
1
pin
«
3 pin
(A+) (B+)
5 pin
«
10 pin
(A+) (B+)
Phase B - Phase C
3 pin
«
5 pin
(B+) (C+)
10 pin
«
15 pin
(B+) (C+)
Phase C - Phase A
5 pin
«
1 pin
(C+) (A+)
15 pin
«
5 pin
(C+) (A+)
Table A-7: Specification of insulation resistance (common to all motors)
Specification
With cable
1MW or over
Motor only
2MW or over
(4) 4 Appearance (Motor and Cable set)
l
Check for damages on the motor.
l
Check damages on shield of the cable.
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