Siemens SIMATIC S7-1500 Automation System System Manual page 72

Wiring
6.8 Front connector for the I/O modules
Wiring front connectors for I/O modules with shield contact element
1. Strip the cable shielding.
2. Begin to completely wire the front connector (Figure 1).
3. Put the strain relief (cable tie) around the cable harness, and pull the strain relief for the
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Figure 6-12 Wiring front connectors for I/O modules with shield contact element (1)
cable harness tight (Figure 2).
Figure 6-13 Wiring front connectors for I/O modules with shield contact element (2)
S7-1500 Automation System
System Manual, 01/2013, A5E03461182-01