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36 Using in Safety Related Applications
WAGO I/O System 750
750-1505 16DO 24VDC 0.5 A, low-side switching
Manual
Version 1.1.0
Public
7.2
Connecting the I/O Module to Safety Switching
Devices or F I/O Modules
7.2.1
General Structure of a Potential Group
When using the interference-free I/O module 750-1505 in safety related
applications, the modules belonging to a safety switching device shall be
combined to form a potential group. Power to the potential group shall be
supplied via a power supply module 750-601 or 750-602 or via filter module 750-
626. Either a power supply module or a separation module without power jumper
contacts (750-616) must be connected at the end of the potential group.
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Figure 11: Potential Group for Safety Related Applications
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