Siemens Simantic ET200SP - Mounting BaseUnits for I;O modules

Installation
4.5 Mounting BaseUnits for I/O modules
Distributed I/O system
64 System Manual, 12/2016, A5E03576849-AG
4.5
Mounting BaseUnits for I/O modules
Introduction
The BaseUnits are used for electromechanical connection between the individual ET 200SP
components. They also provide terminals for connecting external sensors, actuators and
other devices.
Requirements
The mounting rail is fitted.
Required tools
3 to 3.5 mm screwdriver (only for dismantling the terminal box and the encoding element)
Installing a BaseUnit
Watch "Install configuration" video sequence
(http://support.automation.siemens.com/WW/view/en/95886218)
To install a BaseUnit, follow these steps:
1. Install the BaseUnit on the mounting rail.
2. Swivel the BaseUnit backwards until you hear it click into the mounting rail.
3. Slide the BaseUnit parallel to the left until you hear it click into the preceding
CPU/interface module or BaseUnit.
Figure 4-4 Installing a BaseUnit