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USB數(shù)字量輸入/輸出系列產(chǎn)品
USB-DIO-32 產(chǎn)品技術(shù)規(guī)格
Digital Inputs (TTL Compatible)

● Logic High: 2.0 to 5.0 VDC

● Logic Low: -0.5 to +0.8 VDC

Digital Outputs

● Logic High: 2.0 VDC min., source 32 mA

● Logic Low: 0.55 VDC max., sink 64 mA

Optional Counter/Timers

● Type: 82C54-10 programmable interval counters

● Output Drive:

- 2.0 VDC min., source 32 mA

- 0.55 VDC max,. sink 64 mA

● Input Gate: TTL/CMOS compatible

● Clock: On-board, 3 MHz crystal-controlled clock

● Active Count Edge: Negative Edge

● Minimum Clock Pulse Width: 30 nS high, 40 nS low

● Timer Range: 16 bits

● Maximum Input Frequency: 10MHz

Environmental

● Operating Temperature 0° to +70°C, optional -40° to +85°C

● Storage Temperature -40° to +85°C

● Humidity 5% to 95% , non-condensing

● Board Dimension: 3.550 x 3.775 inches

Power

● +5VDC @ ~ 80mA typical including three counters (no load)

● +5VDC derived from the USB bus cable o external power supply depending on the user configuration

● +5VDC resettable fuse at 0.5A located on ouput on 50-pin connectors (pin 49) for external application use

The USB bus is specified to provide 500mA through the USB cable to most desktop environments. This gives you 420mA available on 5VDC (500mA – 80mA = 420mA) for source/sink current output and external power connector (pin 49) use for a particular application. If using more than a total of 500mA, or your USB port/hub has less then the 500mA normally provided, use optional 5VDC external power supply (-PR option) and remove VUSB jumper and place jumper on VEXT. Then plug in external power before plugging into USB port.

This product is designed to be in full compliance with CE requirements.

 
 

北京華泰顯控科技有限公司

Copyright ? Beijing Vertextron Technology Co., Ltd

網(wǎng)站備案 / 許可證號:京ICP備18049970號-1

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