Measurement-computing USB-PDISO8 Manuel d'utilisateur télécharger pdf (Page 19)

Chapter 4

Specifications

Typical for 25°C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Relay specification

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

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

Table 2. Isolated input specifications

Number 8

Isolation 500 volts ( V)

Resistance 1.6 K 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: 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

4-1

1 2 ... 14 15 16 17 18 19 20 21 22 23

Pas de commentaire

Measurement-computing USB-PDISO8 Manuel d'utilisateur Page 19