National Instruments NI 9478 - Manual (Page 21)

© National Instruments Corp. 21 NI 9478 Operating Instructions and Specifications
Overcurrent protection threshold
selection per channel......................... Limit A, Limit B, or
No Limit
Overcurrent shutoff response time.... 1 μ s
Overcurrent refresh configuration .... Enabled or Disabled
Overcurrent refresh period................ 20–2550 μ s in 10 μ s
increments
Overcurrent refresh period
accuracy ............................................ ±7% max
Propagation delay ............................. 250 ns max
MTBF ............................................... 823,106 hours at 25 °C;
Bellcore Issue 6, Method 1,
Case 3, Limited Part Stress
Method
Note Contact NI for Bellcore MTBF specifications
at other temperatures or for MIL-HDBK-217F
specifications.