Siemens SIRIUS 3RK3 - Removing the Central Unit, Expansion Module, or Interface Module

Description of the hardware
5.2 Mounting/installing/attaching
Modular Safety System 3RK3
66 System Manual, 10/2008, 926 2530-02 DS 02
NOTICE
Degree of protection IP54
The degree of protection IP54 on the front is only guaranteed if:
• The device has been properly installed with the supplied fixing elements
• The system interface on the front has been protected with a system interface cover
Procedure for installing in a control cabinet door / control panel
Step Operating instruction Figure
1 Insert the diagnostics module in the mounting cut-
out from the front.
2 Take appropriate measures to ensure the
diagnostics module does not fall out of the control
cabinet door/control panel.
3 Snap the four fixing brackets on the rear into the
oblong holes of the diagnostics module.
4 Gently tighten the screws of the fixing brackets.
5 Align the diagnostics module.
6 Tighten the screws of the fixing brackets.
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5.2.4 Removing the central unit, expansion module, or interface module
WARNING
Hazardous Voltage.
Can Cause Death, Serious Injury, or Property Damage.
Before starting work, therefore, disconnect the system and devices from the power supply.
Requirements
● All system interface connections are terminated.
● If applicable, the PROFIBUS DP connection is terminated.
● The terminal blocks have been removed or disconnected.