Digital Input/Output Module Operating Instructions and Specifications

© National Instruments Corp. 11 NI 9403E Operating Instructions and Specifications
Update/transfer time
1
cRIO-9151 R Series
Expansion chassis ................8 μS max
All other chassis................... 7 μS max
Direction change time
1
...............18 μS max
Overvoltage protection
Channel-to-COM .............................. ±30 V max on up to
8 channels at a time;
however, continued use at
this level will degrade the life
of the module.
1
The update/transfer and direction change times are valid when the module is used in
a CompactRIO system. When used in other systems, driver software and system
latencies impact these times.