System Supply; Connection; Figure 5: System Supply For Standard Fieldbus Coupler/Controller And Extended Eco Couplers - WAGO -I/O-SYSTEM 750 Manual

24 System Description
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3.6.2

System Supply

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3.6.2.1

Connection

The WAGO-I/O-SYSTEM 750 requires a 24 V direct current system supply.
The power supply is provided via the fieldbus coupler/controller and, if necessary,
in addition via the internal system supply modules. The power supply is reverse
voltage protected.
Do not use an incorrect voltage/frequency!
The use of an incorrect supply voltage or frequency can cause severe damage to
the component.
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Figure 5: System supply for standard fieldbus coupler/controller and extended ECO couplers

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The fed DC 24 V supplies all internal system components, e.g. fieldbus
coupler/controller electronics, fieldbus interface and I/O modules via the internal
bus (5 V system voltage). The 5 V system voltage is galvanically connected to the
24 V system supply.
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750-375 PROFINET IO advanced Fieldbus Coupler
WAGO-I/O-SYSTEM 750
Manual
Version 1.1.0