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3.5
Disassembly
Improper disassembly
Improper disassembly may result in a risk of explosion in hazardous areas.
For proper disassembly, observe the following:
• Before starting work, ensure that the electricity is switched off.
• Secure remaining connections so that no damage can occur as a result of disassembly if
Uninstalling
1. Remove the connectors of the data cables before you switch off the power supply and thus
terminate the ground connection of the devices.
2. Switch off the power supply to the station.
3. Pull down the two lower DIN rail clamps on the rear of the devices into the extended
position using a slotted screwdriver.
This releases the locking mechanism.
4. Swing the devices out of the DIN rail profile to the front.
SIMATIC CM 1242-5
Operating Instructions, 01/2023, C79000-G8976-C245-06
WARNING
the system is accidentally started up.
Installation, connecting up, commissioning
3.5 Disassembly
25
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