Omron R88M-W60010T User Manual page 175

System Design and Installation
3-2-4 Wiring for Noise Resistance
System noise resistance will vary greatly depending on the wiring method used. This
section explains how to reduce noise through proper wiring.
Wiring Method
■
● R88D-WNA5L-ML2 to R88D-WN04L-ML2, R88D-WNA5H-ML2 to R88D-WN04H-ML2,
and R88D-WN08H-ML2 Servo Drivers (Single-phase Power Supply Input)
AC power
Surge absorber
NFB
supply
Fuse
2
3.5 mm
Ground to
100 Ω or less
Ground control
Ground plate
box
● R88D-WN05H-ML2 to R88D-WN30H-ML2 Servo Drivers (Three-phase Power Supply
Input)
AC power
Surge absorber
NFB
supply
Fuse
2
3.5 mm
Ground to
100 Ω or less
Ground control
Ground plate
box
• Ground the motor's frame to the machine ground when the motor is on a movable shaft.
• Use a grounding plate for the frame ground for each Unit, as shown in the above diagrams, and
ground to a single point.
Contactor
Noise filter
X1
NF
1 3
2 4
E
2 mm
Controller power supply
Contactor
Noise filter
X1
NF
1 4
2 5
3 6
E
2 mm
Controller power supply
R88D-WN@-ML2
TB TB
L1 U
V
L2 W
L1C
L2C
CN2
2
Thick power line (3.5 mm
Machine ground
R88D-WN@-ML2
TB TB
L1 U
L2 V
L3 W
L1C
L2C
CN2
2
Thick power line (3.5 mm
Machine ground
Chapter 3
R88M-W@
Metal duct
M
E
2
)
R88M-W@
Metal duct
M
E
2
)
3-19