M70, Emc Shield Bus; General Information; Connecting The Cables To The Emc Shield Bus - Siemens SINAMICS S120 Manual

8.42

M70, EMC shield bus

8.42.1

General information

Availability of option
This option is available for the following S120 Cabinet Modules:
● Line Connection Modules
● Booksize Base Cabinets
● Chassis format Motor Modules
● Auxiliary Power Supply Modules
Description
With option M70, an EMC shield bus is incorporated for the use of shielded power cables for
power cables and motor supply cables.
The cable shields for the cables routed to the cabinet must be connected to the EMC shield
bus in accordance with EMC guidelines.
8.42.2

Connecting the cables to the EMC shield bus

Preparatory steps
● Observe the "five safety rules".
● Allow unimpeded access to the EMC shield bus (if necessary, remove the protective
Securing the cables to the shield bus
1. Remove approximately 5 cm of the protective sheath of the cable around the shield bus.
2. Place the shielded cable on the shield bus.
3. Snap the clip into the opening provided and tighten it.
Cabinet Modules
Manual, (GH5), 05/2010, A5E03263538A
covers during installation work)
Options
8.42 M70, EMC shield bus
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