Siemens SIMATIC ET 200MP System Manual page 40

Installation
5.1 Basics
Minimum clearances
Maintain the following minimum clearances when installing or uninstalling the ET 200MP. To
the left and right a marginless installation is possible, i.e. the modules may be installed up to
the outer edge of the mounting rail.
①
Figure 5-1
Installation rules
● The installation begins on the left side with an interface module, or a power supply
● These are followed by a number of I/O modules, that can be powered by the interface
● The modules are connected to each other with U connectors.
● Note that no U connector protrudes from the first and last module.
Note
Only insert modules when the power is switched off.
Remove the front cover
As needed the front cover can be completely taken off (e.g. during wiring).
40
Upper edge of the mounting rail
Minumum clearances in the control cabinet
module followed by an interface module.
module, or by the power supply module (+ interface module). You can determine the
maximum number of I/O modules by means of a power budget calculation (Page 103).
ET 200MP Distributed I/O System
System Manual, 01/2013, A5E03723484-01