Dynamic characteristics, Power requirement, Physical – National Instruments NI 2590/2591 User Manual
Page 28: Environment

Appendix A
Specifications for NI 2591
© National Instruments Corporation
A-5
Note
Refer to the safety information in Chapter 2,
, for important
information about using your NI 2591 with high-power signals.
Dynamic Characteristics
Relay operate time (at 20
°C)
Typical ............................................ 15 ms
Relay release time (at 20
°C)
Typical ............................................ 15 ms
Expected life
Mechanical (no load)
...................... 5 × 10
6
operations
Electrical at maximum
switching capacity........................... 10
5
operations
Caution
Exceeding the maximum switching capability will decrease the expected life of
the NI 2591.
Power Requirement
+5 VDC
Maximum (all relays closed) .......... 250 mW
Physical
Weight .................................................... 1.1 kg
Dimensions............................................. 10 by 16 by 4 cm
(3.9 by 6.3 by 1.6 in.)
I/O connector.......................................... 5 SMA female per bank
Environment
Operating temperature ..........................0 to 50
°C
Storage temperature..............................–20 to 70
°C
Relative humidity ................................... 5 to 85% noncondensing