4 System Design
4 - 22
OMNUC G5-series (Pulse-train Input Type) AC Servomotors and Servo Drives User’s Manual
We recommend using a noise filter listed below for the Servo Drive.
• For operational reasons, if no-fuse breakers are installed at the top and the power supply line is wired
from the lower duct, use metal tubes for wiring or make sure that there is adequate distance between
the input lines and the internal wiring. If input and output lines are wired together, noise resistance
will decrease.
• The noise filter must be installed as close as possible to the entrance of the control panel. Wire as
shown at the left in the following illustration.
• Use twisted-pair cables for the power supply cables, or bind the cables.
• Separate power supply lines and signal lines when wiring.
Noise filter for power supply input
Drive Noise filter for power supply input
Phase of
power
supply
Model Model
Rated
current
Leakage current (60 Hz)
max.
Manufacturer
Single-
phase
R88D-KP01H SUP-EK5-ER-6 5 A 1.0 mA (at 250 VAC)
Okaya Electric
Industries
Co., Ltd.
3-phase 3SUP-HU10-ER-6 10 A 3.5 mA (at 500 VAC)
Single-
phase
R88D-KP02H SUP-EK5-ER-6 5 A 1.0 mA (at 250 VAC)
3-phase 3SUP-HU10-ER-6 10 A 3.5 mA (at 500 VAC)
Single-
phase
R88D-KP04H SUP-EK5-ER-6 5 A 1.0 mA (at 250 VAC)
3-phase 3SUP-HU10-ER-6 10 A 3.5 mA (at 500 VAC)
Single-
phase,
3-phase
R88D-KP08H
R88D-KP10H 3SUP-HU30-ER-6 30 A 3.5 mA (at 500 VAC)
R88D-KP15H
3-phase R88D-KP20H 3SUP-HU50-ER-6 50 A 3.5 mA (at 500 VAC)
R88D-KP30H 3SUP-HL50-ER-6B 50 A 8.0 mA (at 500 VAC)
R88D-KP50H
Separate the input and output. The effect of the noise filter is small.
NF
1
2
3
4
5
6
E
NF
1
2
3
4
5
6
E
AC input AC input
Ground
Ground
AC output
AC output
Twisted-pair cables
Bound cables
Servo Drive
L1C
L1
L2
L3
L2C
Servo Drive
Binding
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