Wiring the S7-400
4-25
Automation System S7-400 Hardware and Installation
A5E00850741-01
4.15 Wiring the Front Connector, Screw Terminals
Procedure
To wire the prepared front connector:
1. Are you using wire ferrules?
If yes: Strip the conductors at a length of 10 mm. Press-fit the wire end ferrules
onto the conductors.
If not: Strip the conductors at a length of 8 to 10 mm.
2. Terminate the wires, starting at the bottom of the front connector.
3. Screw the ends of the conductors onto the front connector (tightening torque =
0.6 to 0.8 N/m. Also tighten the unwired terminals.
0.6 ... 0.8 Nm
Figure 4-14 Wiring a Front Connector with Screw-Type Terminals
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