90
Using Interference-Free Variations of I/O Modules in Safety Related ApplicationsWAGO-I/O-SYSTEM 750
750-636/000-x00 DC Drive Controller 24V/5A
Manual
Version 2.1.0
CAUTION
Leakage current in the event of a fault!
In the event of a fault, there can be a leakage current of 28 mA at the
outputs (A+ / A-). This must be taken into account for safety considerations
in the event of a fault for the 750-636/000-800 I/O module!
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9.2
Connecting the I/O Module to Safety Switching
Devices or F I/O Modules
9.2.1
General Structure
When using the interference-free variant “…/xxx-8xx”of the I/O module 750-
636/000-x00 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 43: Potential Group for Safety Related Applications
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