Instruction Manual

Pulsar Plus Controller Family
Issue 7 December 2011 105
J100 and J101
Provides connectivity to the RS485 GP rectifier/converter bus as well as a pass through to the next RS485
connected device.
Table 36 NE872 J100 and J101 Signal Description
Pin # Signal Signal Description
1 RS485+ B Inverting Driver Output / Inverting Receiver Input
2 RS485- A Non-inverting Receiver Input/ Non-inverting Driver Output
3 RS485REF RS485 Reference/return. Pass-through on this board.
4-8 No Connection
QS871A Distribution Monitor and Control Module
Overview
The QS871A (CC109103371) allows the Pulsar Plus family of controllers to obtain distribution data through
serial communications. The system controller monitor alarms for open load or battery protectors, measures
load or battery shunts, monitors the bus voltage, and controls and monitors a single load or battery LVD
contactor. Figure 20 shows the connections and interfaces for the QS871A.
Figure 20: QS871A Remote Distribution Module
Module Features
The QS871A module has the following features:
• Status LED: This is a tri-colored LED and will illuminate accordingly for the conditions shown below.
LEDs ( = On)
Green Amber Red Condition
Normal
Minor Alarm
Major Alarm
Flashing Communication Loss with Controller
Flash (5s) Manual Reconnect Command Accepting
In addition, the following alarms will be issued for the conditions noted. This assumes the external
disconnect switch is used to open and close the battery charging path to the batteries.
Condition
Contactor
Fail Alarm
Contactor
Open
Alarm
Open
String
Alarm
Controller
LED
QS871
LED
Open Integral QS871A Disconnect Switch X RED
Blinking