National Instruments CVS-1459 User Manual page 12

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