YASKAWA SGD7S Product Manual page 91

Noise Filters
You must attach Noise Filters in appropriate places to protect the SERVOPACK from the
adverse effects of noise. The following is an example of wiring for countermeasures against
noise.
*3
Noise Filter
200 VAC
2
2.0 mm
min.
*1.
For the ground wire, use a wire with a thickness of at least 2.0 mm
*2.
Whenever possible, use twisted-pair wires to wire all connections marked with
*3.
Refer to the following section for precautions when using Noise Filters.
Noise Filter Wiring and Connection Precautions on page 4-8
L1
L2
L3
L1C
L2C
Operation relay sequence
User signal generators
*3 *2
Noise Filter
DC
power
supply
2.0 mm 2 min.
(Grounding plate)
*1
External ground: Use a dedicated ground.
4.1 Wiring and Connecting SERVOPACKs
4.1.2 Countermeasures against Noise
SERVOPACK
Servomotor
U
M
V
(FG)
W
CN2 ENC
CN1
2.0 mm 2
min.
2
(preferably, flat braided copper wire).
.
4
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