National Instruments CVS-1459 User Manual page 13

Wiring an Isolated Output
The digital output circuit sources current to external loads.
Caution
draw more than 80 mA each from 24 V isolated outputs.
Figure 11. Connecting an Isolated Output to an External Load
V
CVS
Connecting to Differential I/O
The NI CVS-1459 accepts differential (RS-422) line driver inputs. Each of the 2 differential
I/O can be configured as an output. Use shielded cables for all applications. Unshielded cables
are more susceptible to noise and can corrupt signals.
12 | ni.com | NI CVS-1459 User Manual
Do not draw more than 35 mA each from 5 V isolated output. Do not
CC
Protection Circuit
Overcurrent
V
ISO
Digital Output
Load
C
ISO