National Instruments NI PCI-8254R - Manual (Page 24)

Chapter 2 Digital I/O
© National Instruments Corporation 2-13 NI PCI-8254R User Manual
Wiring an Isolated Output to an External Load
The digital output circuit sources current to external loads, as shown in the
following figure.
Caution Do not draw more than 100 mA from 24 V or 30 V isolated outputs. Do not draw
more than 50 mA from 5 V isolated outputs.
Digital Output
V
C
Vcc
NI 8254R
Load