M800W/M80W Series Connection and Setup Manual
41 Appx.4: EMC Installation Guidelines
41.5 Measures for Wiring in Panel
Cables act as antennas to propagate unnecessary noise, and thus must be appropriately shielded and treated.
The following measures must be sufficiently taken into consideration to install cables that carry out high-speed
communication (J210/J303).
41.5.1 Precautions for Wiring in Panel
(1) If the cables are led unnecessarily in the panel, they easily pick up noise. Pay attention to the device layout and wire
length so that the wiring length is as short as possible.
Device Device
Noise
(2) Always connect the grounding wire to the FG terminal indicated on the device.
(3) Keep the distance between the drive line and encoder cable to the drive section motor as much as possible when
wiring.
(4) Do not lead the power supply wire around the panel without using a filter.
Conductive
noise
Device
Device
Radiated
noise
Flow out
Partition
AC input
NF
plate
Noise
filter
Device
Device
Device
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