Siemens SIMATIC ET 200AL - LED Indicator Meanings; DIAG, Channel Status, and PWR LED Meanings

Mounting
4.2 Mounting modules
Distributed I/O system
System Manual, 02/2018, A5E31861578-AF
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Fastening for cable ties
All module of the ET 200AL distributed I/O system have an integrated attachment point for
cable ties. The attachment points are found on all four corners of the modules.
The figure below shows the top left attachment point for 2.5 mm wide cable ties for fastening
the cables.
Figure 4-4 Top left attachment point for cable ties