Wiring
7.10 Front connector for the I/O modules
Automation system
178 System Manual, 01/2023, A5E03461182-AK
Use of the potential bridges on 35 mm digital modules
With the delivered potential bridges, for digital modules with a maximum rated voltage of
24 V DC, you can bridge the terminals for the voltage supply and thus reduce the wiring
effort. The bridges are used to connect the following pairs of opposing terminals: 9 and 29,
10 and 30, 19 and 39 as well as 20 and 40.
Reference
Additional information on wiring the inputs and outputs can be found in the manuals for the
I/O modules.
7.10.2 Wiring front connectors for I/O modules with shield contact element
Requirements
• The I/O modules are installed on the mounting rail.
• The supply voltages are turned off.
• The wires are prepared according to the clamping technology used. To do this, follow the
Wiring rules (Page 162).
Tools required
• Stripping tool
• 3 to 3.5 mm screwdriver
• Flat pliers
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