Siemens Automation System S7-400 - Manual (Page 88)

Wiring the S7-400
4-28
Automation System S7-400 Hardware and Installation
A5E00850741-01
4.17 Fitting the Strain Relief
Cable Ties as Strain Relief
When you have wired the front connector, the cable tie provided should be fitted at
the bottom of the front connector as a strain relief for the connected cable.
There are three ways of fitting the strain relief, according to the thickness of the
cable. Three openings are provided at the bottom of the front connector.
Figure 4-17 Fitting a Strain Relief (Viewed from Below)