
© National Instruments Corp. 13 NI 9403 Operating Instructions and Specifications
Update/transfer time1
cRIO-9151 R Series
Expansion chassis................8 μS max
All other chassis...................7 μS max
Direction change time1...............18 μS max
Overvoltage protection
Channel-to-COM.............................. ±30 V max on up to
8channels 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.