4.2 Electrical Wiring Of The Et 200C Distributed I/O Station - Siemens SIMATIC ET 200C Manual

4.2 Electrical Wiring of the ET 200C Distributed I/O Station

Introduction
Both grounded and ungrounded configurations are possible.
The following two sections include a circuit example for
The text contains code numbers, which are references to the respective dia-
gram.
Note
We recommend the grounded configuration for analog modules. This
configuration provides additional protection against electromagnetic
interference.
ET 200C Distributed I/O Station
EWA 4NEB 812 6119-02b
Grounded configuration and
Ungrounded configuration.
Mechanical and Electrical Installation
4-3