National Instruments NI CVS-1450 Series Optically Isolated Inputs and Outputs Isolated (Current Sinking) Inputs, Isolated (Current Sourcing) Outputs

Appendix B Specifications
© National Instruments Corporation B-3 NI CVS-1450 Series User Manual
Optically Isolated Inputs and Outputs
Isolated (Current Sinking) Inputs
Number of channels............................... 13
Input voltage range.................................0 V to 30 V
Input ON voltage............................ 3.5 V to 30 V
Input OFF voltage...........................0 V to 2 V
Turn-on current......................................7.1 mA, typical
14 mA, maximum
Maximum pulse rate...............................100 kHz
Minimum pulse detected........................10 µs
Reverse polarity protection....................Yes, –30 V
Isolated (Current Sourcing) Outputs
Number of channels............................... 4
On-state voltage range........................... 5 V to 30 V, maximum
Maximum on-state voltage
drop from Viso................................1.2 V at 100 mA
Output current
5 V isopower...................................50 mA, maximum
24 V isopower.................................100 mA, maximum
30 V isopower.................................100 mA, maximum
Maximum pulse rate...............................10 kHz (maximum load
resistance100 kΩ)
Minimum pulse generated......................100 µs
Reverse polarity protection.................... Yes