Siemens SIMATIC S7-1500 System Manual page 97

Bringing the front connector directly into final position
Proceed as follows to bring the front connector directly into final position:
1. Grip the front connector by the unlocking strap.
2. Push the guide pin of the front connector into the guide channel that has been displaced
downwards. The front connector slides over the guide channel into its final position.
Figure 5-18
3. Tilt the front connector and press it into the I/O module until it latches. The front connector
is now electrically connected with the I/O module.
4. Swivel the front cover down into place. Various latch positions are possible depending on
the space requirement of the cable harness so that the required cable storage space can
grow as needed.
Automation system
System Manual, 09/2016, A5E03461182-AD
Bringing the front connector directly into final position
5.10 Front connector for the I/O modules
Wiring
97