Table 6.
Digital I/O Pin Descriptions (Continued)
Pin Number
Signal
Description
32
Iso In 1 General purpose isolated input
33
C
ISO
Common ground reference for isolated inputs and outputs
34
Iso In 2 General purpose isolated input
35
Iso In 3 General purpose isolated input
36
C
ISO
Common ground reference for isolated inputs and outputs
37
Iso In 4 General purpose isolated input
38
Iso In 5 General purpose isolated input
39
C
ISO
Common ground reference for isolated inputs and outputs
40
Iso In 6 General purpose isolated input
41
Iso In 7 General purpose isolated input
42
C
ISO
Common ground reference for isolated inputs and outputs
43
Iso Out 6 General purpose isolated output
44
Iso Out 7 General purpose isolated output
Wiring an Isolated Input
You can wire an isolated input to a sourcing output device.
Caution
Do not apply a voltage greater than 24 VDC to the isolated inputs.
Voltage greater than 24 VDC may damage the NI CVS-1459.
Figure 10.
Connecting an Isolated Input to a Sourcing Output Device
CVS
Input
Sourcing
Output
Device
Current
Limiter
Power Supply
+
–
C
ISO
V
REF
NI CVS-1459 User Manual
|
© National Instruments
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11