beautypg.com

Power, Environmental, Usb specifications – Measurement Computing USB-DIO96H-50 User Manual

Page 15: Data transfer rates

background image

USB-DIO96H/50 User's Guide

Specifications

15

Power

Table 2. Power specifications

Parameter

Conditions

Specification

USB +5 V input voltage range

4.75 V min to 5.25 V max

USB +5 V supply current

All modes of operation

<100 mA

External power input (Note 1)

5 VDC ± 5% (5 VDC power supply
provided)

External power supply
(included)

MCC p/n PS-5V3AEPS

5 VDC, 15 W, 5% regulation

Alternate external power
supply

From PC auxiliary power (cable not
included)

Jumper selectable Molex

®

connector

internal to case

Voltage supervisor limits

4.13 V > V

ext

or V

ext

> 5.59 V

PWR LED = Off (power fault)

4.13 V < V

ext

< 5.59 V

PWR LED = On

Power supply current

2.7 A max

User 5 V output voltage range

Available at +5 V pins

4.0 V min, 5.25 V max

User 5 V output current
available

Total from all +5 V pins

50 mA max

Note 1:

Voltage specification applies at barrel plug power input. The power supply provided with the board
meets this specification at the rated total power supply current. If a different power supply is used,
small line resistances could cause significant voltage drop between the power supply and the barrel
plug input.

Environmental

Table 3. Environmental specifications

Parameter

Specification

Operating temperature range

0 °C to 60 °C

Storage temperature range

–40 °C to 85 °C

Humidity

0% to 90% non-condensing

USB specifications

Table 4. USB specifications

Parameter

Specification

USB "B" connector

Input

USB device type

USB 2.0 (full-speed)

Device compatibility

USB 1.1, 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

Data transfer rates

Table 5. Data transfer rate specifications

Parameter

Specification

Digital I/O transfer rates
(software paced)

System-dependent, 33 to 250 port reads/writes or single bit reads/writes per second typ