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Siemens SIMATIC S7-300 FM 350-1 - Page 33

Siemens SIMATIC S7-300 FM 350-1
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Wiring the FM 350-1
3.2 Wiring front connectors
FM 350-1 Counter module
Manual, 05/2011, A5E03648639-01
33
Wiring
Proceed as follows when wiring the front connector:
WARNING
Injury to persons may result.
If you wire the front connector of the FM 350-1 when the power is switched on, you are in
danger of injury from electric shock.
Wire the FM 350-1 only when the power is switched off!
1. Open the front panel and place the front connector in the wiring position.
2. Strip the conductors (length 6 mm).
3. Do you want to use end ferrules?
If yes: Press the end ferrules and the cables together.
4. Feed the enclosed strain relief clamp into the front connector.
5. If the wires leave the module at the bottom, begin wiring at the bottom, otherwise begin at
the top. Also screw tight unassigned terminals (tightening torque 0.6 to 0.8 Nm).
6. Tighten the strain relief clamp for the cable chain.
7. Push the front connector into the operating position.
8. Apply the cable shields to the shield connecting element or to the shield bar.
9. Label the terminals on the labeling strip.
Figure 3-4 FM 350-1 with Shielded Cables and the Shield Connecting Element

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