YASKAWA iC9200 Series - Page 39

HB700 | CPU | PMC921xEx | en | 24-04 39
iC9200 Series
Basics and mounting
Wiring > Wiring System SLIO periphery
Overview
Shield attachment
2.5.2.2.1 Shielding
Shielding is required for interference-free signal transmission. This weakens electrical,
magnetic or electromagnetic interference fields. T
o attach the shield the mounting of
shield bus carriers are necessary. The shield bus carrier (available as accessory) serves
to carry the shield bus to connect cable shields. ⮫‘Installation guidelines’...page 53
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3
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1
Shield bus carrier
2
Shield bus (10mm x 3mm)
3
Shield clamp
4
Cable shield with metal foil
5
Cable shield with wire mesh (close-meshed)
6
Cable shield mounted with shield clamp
1. Each iC9200 Series 8x periphery module has a carrier hole for the shield bus
carrier
. Push the shield bus carrier, until they engage into the module. With a flat
mounting rail for adaptation to a flat mounting rail you may remove the spacer of the
shield bus carrier.
2. Put your shield bus into the shield bus carrier.
Clack
3. Attach the cables with the accordingly stripped cable screen and fix it by the shield
clamp with the shield bus.
4. The shield bus must always be earthed. Keep all cable connections as short as
possible. T
o earth the shield bus, connect a PE conductor to the shield bus via
a shield clamp and screw it to the base plate as close as possible and with low
impedance.
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1
1
Base plate
2
PE conductor screwed to base plate