Measurement-computing USB-2020 Manual do Utilizador descarregar pdf (Página 22)

USB-2020 User's Guide Specifications

Power

Table 9. Power specifications

Parameter Specification

Supply voltage

9 VDC to 18 VDC ( MCC plug-in power supply CB-PWR-9 recommended)

Supply current

0.75 A max (Note 3)

Power jack configuration

Two conductor, barrel

Power jack barrel diameter

6.3 mm

Power jack pin diameter

2.0 mm

Power jack polarity Center positive

+VO voltage range

4.50 V to 5.25 V

+VO current sourcing

10 mA max.

Note 3: This is the total quiescent current requirement for the device that includes up to 10 mA for the Status

LED. This value does not include potential loading of the DIO bits or the +VO pin.

Environmental

Table 10. Environmental specifications

Parameter Specification

Operating temperature range

0 °C to 50 °C max

Storage temperature range

–40 °C to 85 °C max

Humidity

0% to 90% non-condensing max

Mechanical

Table 11. Mechanical specifications

Parameter Specification

Dimensions (L × W × H)

142.24 × 180.34× 38.09 mm (5.6 × 7.1 × 1.5 in.)

Weight

1.5 lb

USB

Table 12. USB specifications

Parameter Specification

USB device type

USB 2.0 (high-speed)

Device compatibility

USB 2.0

USB cable type

A-B cable, UL type AWM 2527 or equivalent. (min 24 AWG VBUS/GND,

min 28 AWG D+/D–)

USB cable length

3 m (9.84 ft) max

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