Installation
4-4
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Minimum clearances for installation, wiring, and ventilation
When installing the ET 200S in a housing, ensure that the distance to the lid of the
housing or the front door is at least 2 mm.
PM EM EM PM EM EM
EM EM
35 mm
15 mm
35 mm
15 mm
20 mm
20 mm
35 mm
Figure 4-1 Minimum clearances
4.2 Installing the interface module
Features
• The interface module connects the ET 200S with the PROFIBUS DP/
PROFINET IO.
• The interface module transfers data between the higher-level controller and the
I/O modules.
Prerequisites
• The rail must be installed.
• 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).