NetSure
™
-48V DC Power System
User Instructions, UM582127000 (Issue AD, January 20, 2014)
Spec. No: 582127000 Code: UM582127000
Model No: 721NPBB Issue AD, January 20, 2014
System Interface Circuit Card
The system interface circuit card contains test points to externally monitor bay voltage and bay load. Refer to Figure 2.
Figure 2. System Interface Circuit Card
TP3 (+) and TP4 (-)
Bay Load
Shunt Monitoring
TP1 (+) and TP2 (-)
Bay Voltage
Monitoring
J7
TB2
J1
1
1
1
1
J2
J3
J4
J8
TB1
TP1 TP2 TP3 TP
4
J5
J10
Bay Load Shunt Scale
List 21, 1-Row Cabinet
800A / 25mV
32A per mV
List 22, 2-Row Cabinet
2000A / 25mV
80A per mV
List 23, 3-Row Cabinet
2500A / 25mV
100A per mV
List 24, 4-Row C
abinet
2500A / 25mV
100A per mV
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