Wiring - Siemens SIMATIC ET 200M Manual

2.5

Wiring

Rail
1. Connect the rail to the protective conductor. An M6 screw is provided for this
purpose on the rail.
Minimum cross-section from the conductor to the protective conductor: 10 mm
Warning:
You could touch live wires if the power supply module PS 307 is switched on or the
supply cable of the power supply is connected to the mains supply.
Make sure the ET 200M is de-energized before doing any wiring.
Power Supply and IM 153-2
1. Open the front doors of the PS and IM.
2. Undo the strain-relief assembly on the PS 307.
3. Strip the power supply cable. If necessary, attach wire end ferrules (in the case
of multi-conductor cables). Then connect to the PS 307 (see Figure 2-3).
4. Screw the strain-relief assembly tight.
5. Insert the jumper into the PS 307 and IM 153-2, and screw it tight (see
Figure 2-3).
6. Check that the switch for selecting the mains voltage on the PS 307 is set to
your mains voltage.
The power supply module is factory-set to a mains voltage of 230 V AC. You
can change the setting in the following way: remove the protective cover using
a screwdriver, set the switch to the available mains voltage and reattach the
protective cover.
7. Connect the PROFIBUS-DP cable between the DP master (2nd DP interface)
and the IM 153-2. The terminating resistors in the connectors must be switched
on.
Front Connectors of the DI and DO
1. Open the front doors of the DI and DO.
2. Move the front connector to the wiring position:
To do so, push a front connector into each DI and DO until it engages. The front
connector still protrudes from the module in this position. In the wiring position a
wired front connector has no contact with the module.
3. Strip 6 mm of insulation off the ends of the wires you want to insert into the
front connector and then attach appropriate wire end ferrules to the wire ends.
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
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Getting Started
2.
2-5