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Dynamic characteristics, Trigger characteristics, Stability – National Instruments SCXI-1127 User Manual

Page 67

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Appendix A

Specifications for SCXI-1127

SCXI-1127/1128 User Manual

A-2

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Channel to channel crosstalk

..................50 Ω termination

10 kHz

.............................................≤ –70 dB

100 kHz

...........................................≤ –57.79 dB

1 MHz

..............................................≤ –53.31 dB

5 MHz

..............................................≤ –41.47 dB

11 MHz

............................................≤ –27.23 dB

Dynamic Characteristics

Maximum operating speed .....................100 cycles/s

Relay operate time (at 20

°C).................3 ms typical, 5 ms max

Relay release time (at 20

°C) .................1.5 ms typical, 5 ms max

Expected life

Mechanical (at 180 cpm) .................5

× 10

7

operations

Electrical at maximum load.............2

× 10

5

operations

Operating life variations versus switching conditions (differential or
single-ended mode operation) at 20 cpm

Trigger Characteristics

Scanner advanced pulsewidth.................1.1

µs

External trigger input pulsewidth ...........500 ns (min)

Stability

Recommended warm-up time.................5 minutes

Volts

Amps

Operational Life Cycles

30 VDC

1 A

200,000

250 V

rms

200 mA

50,000

250 VDC

200 mA

50,000

250 V

rms

250

µA

100,000

250 VDC

250

µA

100,000

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