Wiring For Noise Resistance; Single-Phase Power Supply Input - Omron SMARTSTEP R7D-AP Series User Manual

System Design and Installation
4. Insert the wire into the slot.
With the slot held open, insert the end of the wire. Then let the slot close by releasing the pressure
from the lever or the screwdriver.
5. Mount the Terminal Block to the Servo Driver.
After all of the terminals have been wired, return the Terminal Block to its original position on the
Servo Driver.

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
■
●

Single-phase Power Supply Input

AC power
Surge absorber
NFB
supply
Fuse
2
3.5 mm
Class D ground
(Class 3 ground:
100 Ω or less)
Ground plate
Ground control box
Contactor
Noise filter
X1
NF
1 3
2 4
E
2 mm
Controller power supply
R7D-AP@
Metal duct
TB TB
L1 U
V
L2 W
L1C
L2C
CN2
2
Thick power line (3.5 mm
Machine ground
Chapter 3
R7M-A@
M
E
2 )
3-19