Measurement-computing WLS-IFC Manual do Utilizador descarregar pdf (Página 12)

WLS-IFC User's Guide Specifications

USB +5V voltage

Table 4. USB +5V voltage specifications

Parameter

Specification

USB +5V (VBUS) input

voltage range

4.75 V min to 5.25 V max

Power

Table 5. Power specifications

Parameter

Specification

Supply current

300 mA max (Note 3)

Note 3: Self-Powered Hub refers to a USB hub with an external power supply. Self-powered hubs allow a

connected USB device to draw up to 500 mA. This device may not be used with bus-powered hubs due

to the power supply requirements.

Root Port Hubs reside in the PC's USB Host Controller. The USB port(s) on your PC are root port

hubs. All externally powered root port hubs (desktop PC's) provide up to 500 mA of current for a USB

device. Battery-powered root port hubs provide 100 mA or 500 mA, depending upon the manufacturer.

A laptop PC that is not connected to an external power adapter is an example of a battery-powered root

port hub.

USB specifications

Table 6. USB specifications

Parameter

Specification

USB device type

USB 2.0 (full-speed)

Device compatibility

USB 1.1, USB 2.0

Bus powered, 300 mA consumption max

USB cable type

A-B cable, UL type AWM 2725 or equivalent. (min 24 AWG VBUS/GND,

min 28 AWG D+/D–)

USB cable length

3 m (9.84 ft) max

Environmental

Table 7. Environmental specifications

Parameter

Specification

Operating temperature range

0 °C to 70 °C

Storage temperature range

–40 to 85 °C

Humidity

0 to 90% non-condensing

Mechanical

Table 8. Mechanical specifications

Parameter

Specification

Dimensions (L × W × H)

79 x 75 × 26.5 mm (3.11 × 2.95 × 1.04 in.)

1 2 ... 7 8 9 10 11 12 13 14 15

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