Measures And Conditions For Shielded Power Supply Of The Module; Figure 22: Connection Diagram For The Common Power Supply; Figure 23: Connection Diagram For The Common Power Supply; Figure 24: Connection Diagram For The Isolated Power Supply - WAGO -SPEEDWAY 767 Manual

72 Use of the Interference-Free Module in Safety Applications
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11.3 Measures and Conditions for Shielded Power
Supply of the Module
Shielded version of U
installation required!
To prevent a short circuit of power supply U
and 0 V_U
EN ISO 13849-2. The shield must have an overlap of at least 85 % and be reliably
connected to the connector.
Attach ground shield or use insulation monitoring!
The connecting lead ground shield and functional grounding connection of the
interference-free modules must be connected to lines 0 V_U
addition, insulation monitoring according to EN 61557 can also be used. See the
following illustrations:

Figure 22: Connection diagram for the common power supply

Fuse
Insulation
monitor
Figure 23: Connection diagram for the common power supply with insulation monitoring
Fuse
Fuse

Figure 24: Connection diagram for the isolated power supply

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and 0 V_U
A
must be shielded in the connecting lead according to EN 60204-1 or
A
Safety switch module
Safety switch module
767-4804/000-800 8DO 24V DC 2.0A IF (4xM12)
in connecting lead for unprotected
A
with an external voltage, wires U
A
Safety switch module
WAGO-SPEEDWAY 767
A
and 0 V_U . In
LS A
767-xxxx
767-xxxx
767-xxxx
Manual
Version 1.1.0