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Chapter 3
Connector Pinouts
Power Input Connectors
The NI CVS-1459RT uses two power supplies to power the system and to power the isolated
outputs. Figure 3-3 shows the power connectors.
Figure 3-3.
Power Connectors
Table 3-2 describes the terminals on the power connectors.
1
System Power Connector
2
Isolated Outputs Power Connector
Table 3-2.
Power Connector Terminals
Terminal
De
s
cription
C
Common signal
V
System power (12-24 VDC)
C
ISO
Isolated common signal
V
ISO
Power for isolated outputs (5-24 VDC)
SYSTEM
12-24
V
C
V
ISO
5-24 V
1
2
C
ISO
V
ISO
