Measurement-computing PCI-PDISO16 Manual do Utilizador descarregar pdf (Página 18)

Chapter 4

Specifications

Typical for 25°C unless otherwise specified.

Specifications in italic text are guaranteed by design.

Relay specifications

Table 1. Relay specifications

Number

Contact Configuration

16 Form C

Contact Rating

6A @ 120VAC or 28VDC resistive (see connector ratings below)

Contact Resistance

100 milliohms max

Operate Time

20 milliseconds

Release Time

10 milliseconds max

Vibration

10 to 55 Hz (Dual amplitude 1.5mm)

Shock

10 G (11 milliseconds)

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

Isolation

500V

Resistance

1.6 k Ohms min

Voltage Range

DC: 5 to 28 V (Not TTL compatible)

AC: 5 to 28 V (50 to 1000 Hz)

Input ‘High’ Level

>5V min (positive or negative input voltage - not TTL compatible)

Input ‘Low’ Level

<2.5V max (positive or negative input voltage)

Response

w/o filter: 20 µS

w/ filter: 5 mS

Filters

Time constant: 5 mS (200Hz)

Filter control: Each input individually programmable

Power-up /reset: Filters off

Power consumption

Table 3. Power consumption specifications

+5 V power

All relays off 0.7 A typical

All relays on 2.0 A typical

Environmental

Table 4. Environmental specifications

Operating temperature range

0 to 70 °C

Storage temperature range

-40 to 100 °C

Humidity

0 to 90% non-condensing

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