Installation
5.2 Installation conditions for motor starters
Distributed I/O system
68 System Manual, 09/2019, A5E03576849-AJ
Designing interference-free motor starters
For interference-free operation of the ET 200SP station in accordance with standard
IEC 60947-4-2, use a dummy module before the first motor starter. No dummy module is
required to the right of the motor starter.
Note the following mounting rules:
Use the following dummy module on the standard mounting rail between the previous
module and the SIMATIC ET 200SP motor starter:
BU cover 15 mm: 6ES7133-6CV15-1AM0 with BaseUnit 6ES7193-6BP00-0BA0
For operation of the ET 200SP station with an unused BaseUnit, a cover must be provided
for the open BaseUnit plug contacts (power connector, power bus connector, and backplane
bus connector).
The cover protects the plug contacts against dirt. The BU cover can be ordered as an
accessory.
Mount the dummy module
The figure below provides a schematic representation of how to implement measures for
improving interference immunity.
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