Appendix a specifications, Specifications – National Instruments DAQ 6527 User Manual
Page 35

© National Instruments Corporation
A-1
A
Specifications
This appendix lists the specifications for the 6527 devices. These
specifications are typical at 25
°
C unless otherwise noted.
Digital I/O
PCI/PXI-6527......................................... 24 optically isolated digital input
channels and
24 solid-state relay output
channels
Isolated Inputs
Number of input channels ...................... 24, each with its own ground
reference isolated from other
channels
Max input voltage .................................. 28 VDC
Digital logic levels
Input current
5 V inputs........................................ 1.5 mA/channel max
24 V inputs...................................... 8 mA/channel max
Isolation.................................................. 60 VDC channel-to-channel and
from computer ground and V
CC
Level
Min
Max
Input low voltage
0 VDC
1 VDC
Input high voltage
2 VDC
28 VDC
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