Measurement-computing SWITCH Manual de usuario descargar pdf (Pagina 31)

Chapter 6

Specifications

All specifications are subject to change without notice.

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 maximum

External 9V unregulated supply

(Power supply included)

All relays off

30 mA typical, 40 mA maximum

All relays on

500 mA typical, 625 mA maximum

Power supply voltage range

7.5V – 20V

Output specification

Number

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 Type

Gold overlay silver

Contact resistance

100 mΩ maximum

Operate time

10 ms maximum

Release time

5 ms maximum

Vibration

10 to 55 Hz (Dual amplitude 1.5 mm)

Shock

10 G (11 ms)

Dielectric isolation

500 V (1 minute)

Life expectancy

10 million mechanical operations, minimum

Power on RESET state

Not energized. NC in contact to Common.

Isolated inputs

Number

Isolation

500 V

Resistance

1.6 KΩ minimum

Voltage range

Input high +5.0 VDC minimum or –5.0 VDC minimum

Input low +1.5 VDC maximum or –1.5VDC maximum

Input range 30 VDC maximum

AC (with filter)

Input high 3.0 V

rms

minimum (50-1000 Hz)

Input low 1.5 V

rms

maximum (50-1000 Hz)

Response

w/o filter

20 µs

w/ filter

5 ms

Filters

Time constant

5 ms (200 Hz)

Filter control

Software programmable at each input.

Power-up /reset

Filters off

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Measurement-computing SWITCH Manual de usuario Pagina 31

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