2 Installation
2.8 Connecting the power supply
Modular PLCs XControl: XC-104-…, XC-204-…, XC-303-… 01/23 MN050005EN Eaton.com 45
The system bus communication channel on the XN300 slice modules is pow-
ered with the 5 V on the Modular PLCs XControl: XC-104-…, XC-204-…, XC-
303-…'s system bus.
In addition, the system bus provides a 24 VDC supply voltage used to inter-
nally power the XN300 slice modules. Modules with high power consump-
tion levels, however, will also need an additional power supply. Some XN300
slice modules require an external 24 VDC power supply.
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For more information, please refer to "XN300 slice modules".