Siemens SIMATIC ET 200M Operating Instructions Manual page 84

Connecting
5.4 Wiring the power supply and modules
Preparing the Connector for Wiring
To prepare for wiring, proceed as follows:
You can come into contact with live cables if the power supply module and possibly in
addition the load power supplies are switched on.
Ensure the ET 200M is de-energized before doing any wiring!
1. Open the front door.
2. Put the front connector in the wiring position.
3. Strip the insulation from the wires in accordance with the wiring rules.
4. When using wire end ferrules: Press the end ferrules and the cables together.
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WARNING
To do so, push the front connector into the signal module until it snaps into place. The
front connector still protrudes from the module in this position.
Advantage of the wiring position: Comfortable wiring; in the wiring position a wired front
connector has no contact with the module.
The following figure shows you how to get the front connector into wiring position.
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Figure 5-3 Bringing the front connector into the wiring position
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Operating Instructions, 12/2008, EWA-4NEB780600602-08
ET 200M