GE Industrial Solutions CPS6000 - Manual (Page 86)

CPS6000 –48V Indoor/Outdoor Power Shelf
Issue 21 January 2008
86
Controller Connections
Figure 6-1 shows the Controller connector locations.
Figure 6-1: Controller Connectors for QS840 and QS841A
Shelf Paralleling Connector
J2 is a 4-pin connector provided on the controller for paralleling up to three additional
shelves. This connector is accessible when the controller is inserted in the shelf. Two of the
lines on the connector are used for inter-shelf RS-485 communication (RS485+, RS485-), two
for shelf addressing, and one for the current share for rectifiers and one for V-. Pin
assignments for this connector are shown in the following table:
Pin Signal Description
1 RS485+ RS-485 GP communication bus
2 RS485- RS-485 GP communication bus
3 RECT_PG_EN Programming enable signal to rectifier (future use)
4 ISHARE Rectifier analog current share
Auxiliary Port Connector
An RJ-45 receptacle (P5) is provided on the QS840A/QS841A board for connecting to the
QS773X VT-Probes or to the QS771A Remote Voltage Monitor. This connector is accessible
when the controller is inserted in the shelf. The signals and pin assignments for this interface
are shown in the following table: