Yaskawa i80M Connecting Manual - Manual (Page 323)

3 WIRING
A8. 3.1 RATED CURRENT AND CABLE SIZE
Tables A8. 1 and A8. 2 show external terminals, rated current, and cable sizes of
Select the type and size of cables to meet ambient conditions and current capacity.
size is calculated so that a bundle of three cables can bear the rated current at
temperature
of 40”C.
Table A8. 3 lists the type of cables.
Servopack.
The cable
an ambient
External Terminal
Main Circuit
On
Motor Connection
Control Power Input
1
Control Signal Connector
Ground
Table A8. 1 Rated Current
Rated Current A (Effective Current)
IR1OSB
Symbol
5 8 18
4.2 7.6 11.7 18.8 26.0 33.0
0.5A
1 CN max
2 max (500mADC for Power line only)
.
Table A8. 2 Recommended Cable Size of
External Terminal
Main Circuit Power input
Control Signal Connector
off
PG Signal Connector
Ground
Type Cable Size
I
IR1OSB
Symbol
HIV HIV
or more 3.5 or more 5.5 or 5.5 or
more more
HIV 1.25 or more
CN
. Two-core twisted shielded cable
. Core must be O. 2 or more
. Tin-plated soft-copper twisted cable
2 CN
. Finished cable dimension: 16 dia or less for
11 or less for 2CN
HIV 2.0 or more
Table A8. 3 Cable
Type of Lead (Symbol)
Allowable Conductor
Temperature
Vinyl Cable (PVC)
Vinyl Cable (IV)
I
60
Special Heat-Resistant Cable (HIV)
Note:
1 . For main circuits, use cables of 600 V or more.
2 Where cables bundled or run through a duct polyvinyl
chloride conduit or conduit), select the cable size than listed
considering the current drop rate of the cables.
3. Where the ambient (panel inside) temperature is high ( + to + ),
use heat-resistant cables,
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