Siemens S7-400 installation manual Wiring the Front Connector, Screw Terminals

Wiring the S7-400

4.15Wiring 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

Automation System S7-400	Hardware and Installation	4-25
A5E00850741-01