NSK MEGATORQUE M-ESA-Y3040T25 - Page 273

— A-6 —
Table A-4: Specification of Motor resistance
Motor number Motor winding resistance (Ω) Specification
YS2005 35.0
YS2020 4.5
YS3008 47.0
YS3040 6.4
YS4080 5.2
YS5120 3.5
YS5240 6.4
JS0002 9.6
JS1003 15.4
JS2006 9.2
JS2014 14.6
1. Allowance : ±30%
2. Variations between each phase : 1.0Ω or less
(øA, øB, øC)
l For special Motor windings or long cable (over 4m), contact NSK for specification.
2 Resistance of resolver windings
Figure A-7: With cable set
8 7 6 5 4 3 2 1
15 14 13 12 11 10 9
(Tester)
Resolver Cable
Motor Cable
Ω
l Refer to Table A-5 for pin numbers to be checked.
Figure A-8: Resolver only
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
(Tester)
(Connector Lock)
Ω
l Refer to Table A-5 for pin numbers to be checked.
Table A-5: Pin number to be checked for incremental resolver
Cable connector Motor connector Result
REA
8
↔
4
(REA) (COM)
1
↔
2
(REA) (COM)
REB
7
↔
4
(REB) (COM)
6
↔
2
(REB) (COM)
REC
15
↔
4
(REC) (COM)
11
↔
2
(REC) (COM)
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