Siemens ET 200S Manual page 84

Installation
Minimum Clearances for Installation, Wiring, and Ventilation
20 mm
Figure 4-1
4.2 Installing the Interface Module
Features
S The interface module connects the ET 200S with the PROFIBUS-DP.
S The interface module transfers data between the higher-level controller and the
I/O modules.
Requirements
S The rail must be installed.
S All the terminal modules must be installed to the right of the interface module.
The maximum configuration of the ET 200S distributed I/O system is 12/63
modules (including power modules, I/O modules, reserve modules, and motor
starters).
4-4
35 mm
PM EM
35 mm
Minimum Clearances
EM EM PM EM EM EM
15 mm
35 mm
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
20 mm
15 mm