Measurement-computing SWITCH AND SENSE 8/8 Instrukcja Użytkownika Pobierz pdf (Strona 17)

4-1

Chapter 4

Specifications

Typical for 25 °C unless otherwise specified.

Specifications in italic text are guaranteed by design.

USB compliance

Device type USB version 1.1 low speed (1.5 Mbs) device

Device compatibility USB 1.1, USB 2.0

Power consumption

5 V USB Bus power 20 mA typical , 25 mA max.

All relays off 30 mA typical, 40 mA max. External 9V unregulated supply

(Power supply included)

All relays on 500 mA typical, 625 mA max.

Power supply voltage range 7.5V – 20V

Output specification

Number 8

Contact configuration

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

Contact rating 6 amperes (A) @ 120 volts AC (VAC) or 28 volts DC (VDC) resistive

Contact resistance 100 milliohms (mΩ) max

Operate time 10 milliseconds(ms) max

Release time 5 ms 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

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 –1.5VDC max.

Input range: ! 30 VDC max

Input high: 3.0 Vrms min (50-1000 Hz)

Voltage range

AC (with filter)

Input low: 1.5 Vrms 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

1 2 ... 12 13 14 15 16 17 18 19

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