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13 Installation Conditions of EMC Directive
E-29
Attaching the Ferrite Core
Recommended Ferrite Core
Fixing the Cable
Fix and ground the cable shield using a piece of conductive metal.
• Example of Cable Clamp
Shield Box
A shield box, which is a closed metallic enclosure, should be used for shielding magnetic
interference. The structure of the box should allow the main body, door, and cooling unit to
be attached to the ground. The box opening should be as small as possible.
13.2 Hand-held Digital Operator and Analog Monitor Cable
Do not connect the hand-held digital operator and the analog monitor cable to the SERVO-
PACK during operations. Connect them only when the machinery is stopped during mainte-
nance.
One turn
Two turn
Cable Name
Ferrite Core Model
Manufacturer
Servomotor main circuit cable
ESD-SR-25
NEC TOKIN Corp.
Cable
Ferrite core
Cable
Ferrite core
Host controller side
Ground plate
Cable
Cable
clamp
Shield (cable sheath stripped)
Fix and ground the cable shield
using a piece of conductive metal.
Remove paint on mounting surface.