Appendix A Specifications for NI2503
NI 2501/2503 User Manual A-6
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National Instruments Corporation
Channel to Channel Crosstalk/Isolation
Differential..............................................50 Ω termination
Dynamic Characteristics
Maximum Operating Speed....................200 cycles/s
Relay Operate Time (@ 20° C)..............3 ms typical, 5 ms max
Relay Release Time (@ 20° C)..............1.5 ms typical, 5 ms max
Expected Life
Mechanical (@ 180 cpm)................5 × 107 operations
Electrical at Maximum Load...........2 × 106 operations
PXI Bus Interface
Slave
PXI Trigger Bus
Trigger Lines..........................................8
Star Trigger.............................................1
Power Requirement
+5 V
Typical.............................................370 mA
Maximum........................................700 mA
Frequency Crosstalk
10 KHz < –100 dB
100 KHz < –80 dB
1 MHz < –55 dB
10 MHz < –30 dB
35 MHz < –25 dB