4-15
4-4 Wiring Servo Motor
SIGNALS AND WIRING
- SV Series User’s Manual -
Encoder Cable
■ Model and shape
Model and shape of encoder cable are as follows.
Motor Power Cable
For use of motor power cables, please abide by the followings.
• Servo motors must be connected to grounding, otherwise it may cause electrocution. For
grounding method, see "4-8 Remedying Noise and High Harmonics", page 4-41.
• In order to prevent the danger from movement of movable part of servo amplifiers when the
power is OFF, which is caused by the dead weight of movable part of servo amplifiers or external
forces on them, motor with electromagnetic brake can be used sometimes. When motor with
electromagnetic brake is used, see "Electromagnetic Brake", Page 4-17.
• The wiring between servo motor and servo amplifier must be connected correctly according to
terminal name (U, V, W). Otherwise the servo motor will be abnormal.
Name
Length
(L)
Model
Shape
Standard
cable
Flexible
cable
Encoder cable
(50W to 750W)
3m SV-E3 SV-E3G
5m SV-E5 SV-E5G
10m SV-E10 SV-E10G
20m SV-E20 -
Encoder cable
(1kW to 5kW)
3倣
SV-E3A -
5m SV-E5A -
10m SV-E10A -
20m SV-E20A -
Branch cable for
battery connection
0.35m
OP-84398
L
Servo amplifier side Servo motor side
Cable O.D.: Standard cable
Ø
6.5mm
Flexible cable
Ø
6.8mm
L
Servo amplifier side Servo motor side
Cable O.D.: Φ6.8mm
100mm
L
Servo amplifier side Servo motor side
Cable O.D. : Ø6.5mm
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