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4-2 Wiring
4-2-5 Conforming to EMC Directives
Wiring Method
Control panel
Metal plate
2 m max.
2 m max.
Metal duct
or conduit
AC power
supply
Class ground
(to 100
Ω
or
less)
Contactor
Noise
filter
Surge
absorber
Ground
plate
Controller
power supply
Controller
Clamp
Clamp
filter
Radio
noise
filter
Device with built-in motor
Noise
filter
Brake
power
supply
Clamp
Metal
duct or
conduit
Radio
noise
filter
Clamp filter
Clamp filter
Clamp
filter
Radio
noise
filter
R7D-Z
@
R7D-Z
@
Note 1. Make 1.5 turns for the ferrite core’s cable winding.
2. Peel the insulation off the cable at the clamp, and directly connect the shield to the metal
plate.
•
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.
•
Use ground lines with a minimum thickness of 3.5 mm
2
, and arrange the wiring so that
the ground lines are as short as possible.
•
No-fuse breakers, surge absorbers, and noise filters (NF) should be positioned near the
input terminal block (ground plate), and I/O lines should be isolated and wired using the
shortest distance possible.
•
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 and 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.
•
Wire the noise filter as shown at the left in the following illustration. The noise filter
should be installed at the entrance to the control box whenever possible.
Correct: Separate input and output
Wrong: Noise not filtered effectively
AC input
AC input
AC output
AC output
Ground
Ground
•
Use twisted-pair cables for the power supply cables whenever possible, or bind the
cables.
4-12
Содержание SMARTSTEP Junior R7D-ZP
Страница 3: ...2 ...
Страница 18: ...Section 1 Configuration Features and System ...
Страница 25: ...1 5 Applicable Standards 1 5 2 UL and cUL Standards 1 8 ...
Страница 26: ...Section 2 Dimensions Standard Models and ...
Страница 36: ...Section 3 Specifications ...
Страница 62: ...Section 4 System Design ...
Страница 86: ...Section 5 Operation ...
Страница 96: ...Section 6 Troubleshooting ...
Страница 109: ...6 5 Periodic Maintenance 6 5 3 Replacing the Cooling Fan 6 14 ...
Страница 110: ...Appendix ...