NetSure
™
-48V DC Power System
Quick Start Guide, QS582127000 (Issue AC, December 10, 2013)
Spec. No: 582127000
Code: QS582127000
Model No: 721
NPBB
Issue AC, December 10, 2013
[26]
Figure 21.
System Interface Circuit Card Connections
TB2
TP3 (+) and TP4 (-)
Bay Load
Shunt Monitoring
TP1 (+) and TP2 (-)
Bay Voltage
Monitoring
TB1-1: Battery Tray FA
TB1-2: External Battery FA
TB1-3: External System FA
TB1-4: External Battery Monitoring (-)
TB1-5: External Battery Monitoring (+)
1
1A 2A 3A
1B 2B 3B
5
RS485 Connection
TB2 1A: RS485+
TB2 2A: RS485-
RS232 Connection
TB2 1B: CGND
TB2 2B: TXD232
TB2 3B:RXD232
J1
J2
J3
J4
J8
TB2
TB1
TP1 TP2 TP3 TP4
J10
J5
TB1
TB1-2, TB1-3, TB1-4, TB1-5 Main Bay Only.
Wire Size Capacity: 22-12 AWG.
Recommended Torque: 3.0 in-lbs.
FA Signals: System voltage applied to the
terminal turns in an alarm.
J1, J2, J3, J4
Distribution Panels FA Inputs
J8 (Main Bay Only)
Selects to power Controller
from “Battery Power” or not.
No
Battery
Pwr
Battery
Pwr
External Internal
J8
J10
1
2
3
7
8
9
J10 (Main Bay Only)
Battery Monitoring External / Internal
(see TB1-4 and TB1-5 for
external monitoring points)
J5
CAN
Shorting Jumper
1
2
3
7
8
9
Shorting Jumper
CAN termination plug
must be installed.
System Interface
Card in Main Bay
System Interface Card
in 1st Supplemental Bay
System Interface Card
in 2nd Supplemental Bay
System Interface
Card in Last Bay
TB2 3A: Internally
used by system.