GE Industrial Solutions Galaxy Pulsar Edge - Manual (Page 120)

Galaxy Pulsar Edge Power System Controller
Issue 3 October 2011
120
7 NE872A Remote Distribution
Monitor and Control Module
Overview
Although the Pulsar Edge has the ability to directly control and manage a single LVD contactor
with additional hardware. It can manage additional LVDs and distributions through the use of
remote distribution monitor and control modules like the NE872. The NE872A (CC109124780)
allows the Pulsar Edge controller to manage various distributions through serial communications
in rectifier and converter based systems. The system controller will communicate over the GP
RS485 bus to the NE872A and monitor associated alarms for open load or battery protectors,
measure a single shunt configured as a load or battery shunt, monitor the DC bus voltage for
back-up LVD functionality, and control and monitor a single load or battery latching LVD
contactor. The board allows addressing for up to eight NE872As being installed in a system.
Figure 8-1 shows the connections and interfaces for the NE872A.
Figure 7-1: NE872A Remote Distribution Module
Features
The NE872A module has the following features:
• Status LED: Tri-colored LED that illuminates according to following conditions:
J11
J13
J12
P3
J101
TB1 J1
J100
J2