Supplementary Power Supply Regulations; Power Supply Unit; Figure 14: Power Supply Concept Gl/Lr - WAGO I/O-SYSTEM 750 Series Manual

WAGO-I/O-SYSTEM 750
750-613 24V DC Power Supply (Bus)
5.2.1

Supplementary Power Supply Regulations

The overvoltage protection module 750-626, which is equipped with surge
suppression for the 24 V DC field side power supply and used to filter the 24 V
DC field power supply, is required for the certified operation of the supply
module 750-613 in shipbuilding or offshore and onshore applications.

Figure 14: Power Supply Concept GL/LR

5.2.2

Power Supply Unit

The WAGO-I/O-SYSTEM 750 requires a 24 VDC voltage (system supply).
Recommendation
A stable power supply cannot always be assumed everywhere. Therefore, you
should use regulated power supplies to ensure the quality of the supply voltage.
For brief voltage dips, a buffer (200 µF per 1 A load current) must be provided.
Buffer for system power supply!
The system power supply must be buffered to bridge power outages. As the power
demand depends on the respective node configuration, buffering is not
implemented internally.
To achieve power outages of 1 ms to 10 ms according to IEC61131-2, determine
the buffering appropriate for your node configuration and structure it as an
external circuit.
Manual
Version 1.1.0
Connect Devices 31