A5E02363383參詳
A5E02363383參詳
A5E02363383參詳
觸摸屏基本原理
觸摸屏技術(shù)是繼鍵盤、鼠標(biāo)、手寫板、語音輸入后·為普通百姓所易接受的計(jì)算機(jī)輸入方式。利用這種技術(shù),用戶只要用手指輕輕地觸碰計(jì)算機(jī)顯示屏上的圖符或文字就能實(shí)現(xiàn)對(duì)主機(jī)操作,從而使人機(jī)交互更為直截了當(dāng)。這種技術(shù)·大方便了用戶,是極富吸引力的全新多媒體交互設(shè)備。
觸摸屏的本質(zhì)是傳感器,它由觸摸檢測部件和觸摸屏控制器組成。觸摸檢測部件安裝在顯示器屏幕前面,用于檢測用戶觸摸位置,接受后送觸摸屏控制器;觸摸屏控制器的主要作用是從觸摸點(diǎn)檢測裝置接收觸摸信息,并將它轉(zhuǎn)換成觸點(diǎn)坐標(biāo)送給CPU,同時(shí)能接收CPU發(fā)來的命令并加以執(zhí)行。
觸摸屏系統(tǒng)一般包括兩個(gè)部分:觸摸檢測裝置和觸摸屏 控制器。觸摸檢測裝置安裝在顯示器屏幕前面,用于檢測用戶觸摸位置,再將該處的信息傳送給觸摸屏控制器;觸摸屏控制 器的主要作用是接收來自觸摸點(diǎn)檢測裝置的觸摸信息,并將它轉(zhuǎn)換成觸點(diǎn)坐標(biāo),判斷出觸摸的意義后送給 PLC,它同時(shí)能 接收 PLC發(fā)來的命令并加以執(zhí)行,例如動(dòng)態(tài)地顯示開關(guān)量和模擬量
6SY7000-0AE00 1
6SY7000-0AD88 1
6SY7000-0AD84 1
6SY7000-0AD82 1
3BSE025961R1 4個(gè)
CI854K01
6FC5371-0AA30-0AA1
6FC5372-0AA00-0AA0 各一
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MP9-20934K
MP9-21247K
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1.CPU模件ES7400-0HA61-4AB0西門子進(jìn)口,數(shù)量:1
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6AV6643-0CD01-1AX2 1PCS
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321-1BL00-0AA0
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TC505 3BSC840067R1 2個(gè)
SDCS-IOE-1 3BSE005851R1 2個(gè)
CS513AK01 3BSE091971R1 3個(gè)
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XYCOM 9485 9485
WINDSOR MPM-ZL3/1-S2 MPMZL31S2
TOTAL CONTROL PRODUCTS QPL-21100-C2P QPL21100C2P
TOTAL CONTROL PRODUCTS QPI-31200-C2P QPI31200C2P
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TOTAL CONTROL PRODUCTS QPI-11100-E2P QPI11100E2P
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RELIANCE ELECTRIC 86466-92T 8646692T
RELIANCE ELECTRIC 801429-5SE 8014295SE
RELIANCE ELECTRIC 770.91.20 7709120
RELIANCE ELECTRIC 770.91.10 7709110
RELIANCE ELECTRIC 355C22D 355C22D
RELIANCE ELECTRIC 150V4051 150V4051
RELIANCE ELECTRIC 0-57430-1 0574301
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PHILTEK POWER CORP HPI-10K-120-AS HPI10K120AS
PERCEPTRON 911-0018 9110018
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