Measurement-computing USB-PDISO8/40 Manual de usuario descargar pdf (Pagina 17)

Chapter 4

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Relay specifications

Table 1. Relay Output specifications

Number 8

Contact configuration 8 FORM C (SPDT) NO, NC and Common available at connector .

Contact rating 6 amperes (A) @ 240 volts AC (VAC) or 28 volts DC (VDC) resistive (see connector rating

below)

Contact resistance 100 milliohms (mΩ) max

Operate time 10 milliseconds (ms) max

Release time 10 milliseconds max

Vibration 10 to 55 hertz (Hz) (Dual amplitude 1.5 millimeters (mm))

Shock 10 G (11 ms)

Dielectric isolation 500 V (1 minute)

Life expectancy 10 million mechanical operations, min

Power on RESET state Not energized. NC in contact to Common.

Isolated inputs

Table 2. Isolated input specifications

Number 8

Isolation 500 volts ( V)

Resistance 1.6k ohms (Ω) min.

Input high: +5.0 VDC min or –5.0 VDC min

Input low: +1.5 VDC max. or –1.5 VDC max.

Input range: 30 VDC max

Input high: 6.0 V

rms

min (50-1000 Hz)

Voltage range

AC (with filter)

Input low: 1.5 V

rms

max (50-1000 Hz)

w/o filter 20 µs Response

w/ filter 5 ms

Time constant 5 ms (200 Hz)

Filter control Software programmable at each input.

Filters

Power-up /reset Filters off

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Measurement-computing USB-PDISO8/40 Manual de usuario Pagina 17