Omron SMARTSTEP A Series User Manual page 167

System Design and Installation
Wiring Method
■
● Single-phase Power Supply Input
Control panel
Metal plate
2 m max.
Metal
AC
duct or
Surge
power
conduit
absorber
supply NFB
2 m max.
Class D
ground
(Class 3
ground:
100 Ω or
less)
Ground
plate
Note 1. The cable wiring for the ferrite core must be 1.5 turns.
Note 2. Remove the sheath from the cable and ground it directly to the metal plate at the clamps.
Brake
Noise
power
filter
supply
Contactor
Noise
filter
Controller
power supply
R7D-A@
Ferrite
core
L1 U
L2 V
W
L1C
L2C
Ferrite
CN2
core
Clamp
CN1
Ferrite core
Clamp
Ferrite core
Controller
Chapter 3
Installation incorporating
Servo Motor
R7M-A@
Metal
duct or B
Ferrite
conduit
core
M
Ferrite
core
E
3-27