Power Connector; Niu Power - GE VersaPoint IC220PBI002 User Manual

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Power Connector

A power connector (IC220TBK087), ordered separately, is used to make power
and ground connections to the NIU.
Pin assignments for this connector are listed below:
Assignment of the NIU terminal points
Terminal
1.1, 2.1
1.2, 2.2
1.3, 2.3
1.4, 2.4

NIU Power

The NIU acts as a power terminal, supplying the logic and module power for some
or all of the of the I/O modules in the station, as well as the sensors and actuators.
Some stations will also use additional power/segment terminals, depending on the
needs of the application. See chapter 5 for additional details.
2-8 VersaPoint™ I/O System Profibus-DP NIU User's Manual – August 2005
Assignment
Segment supply (+24VDC)
Main supply, NIU supply, communications power and
interface supply (+24VDC)
Reference potential
Functional earth ground (FE)
GFK-1911B