Siemens S7-400 4.15 Wiring the Front Connector, Screw Terminals

Wiring the S7-400
4-25
AutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
4.15 Wiring the Front Connector, Screw Terminals
Procedure
Towire the prepared front connector:
1. Areyou using wire ferrules?
If yes: Strip the conductors at a length of 10 mm. Press-fit thewire end ferrules
onto the conductors.
If not: Strip the conductors at a length of 8 to 10 mm.
2. Terminatethe wires, starting at the bottom of the front connector.
3. Screwthe ends of the conductors onto the front connector (tightening torque =
0.6 to 0.8 N/m. Also tighten the unwired terminals.
0.6... 0.8Nm
Figure 4-14 Wiring a Front Connector with Screw-TypeTerminals