HAAS 93-32-5559A

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描述

HAAS 93-32-5559A

? 從客戶的反饋來看,我們認(rèn)識(shí)到還需要對串行接口連接的使用問題進(jìn)行進(jìn)一步的探討。其中的一個(gè)問題與電池有關(guān),另一個(gè)就是通信距離。
? ? RF數(shù)據(jù)傳輸是通過被動(dòng)通信模式建立起來的,這就意味著電源由閱讀器或?qū)懭肫魈峁?。這樣的話,串行數(shù)據(jù)傳輸就需要額外的電池。電池問題是有源標(biāo)簽中的普遍問題,我們的技術(shù)在實(shí)際應(yīng)用中有時(shí)被誤解為有源標(biāo)簽。但不管怎樣,電池壽命是需要考慮的問題。
? ? 從這一點(diǎn)上來看,串行接口的功能最適合于機(jī)器或儀器中的嵌入式應(yīng)用,因?yàn)檫@些應(yīng)用中總是能提供穩(wěn)定的電源。但是,如果標(biāo)簽被牢固地安裝和依附在一些可移動(dòng)的資產(chǎn)或者物體上,電池管理就會(huì)成為問題,因?yàn)殡姵貕勖Y(jié)束時(shí)無法對電池進(jìn)行更換。
? ? 因此,根據(jù)使用環(huán)境評估電池壽命顯得尤為重要,可以考慮一些充電設(shè)備,比如充電電池,或者利用一些能源發(fā)電的電池。如果在RF通信過程中能夠充電,在理論上應(yīng)該是不錯(cuò)的選擇,但是卻不實(shí)用,因?yàn)橥ㄐ啪嚯x會(huì)受到嚴(yán)重破壞。
? ? 關(guān)于通信距離,眾所周知,阻抗匹配對于超高頻段至關(guān)重要,因?yàn)樗鼪Q定了通信性能。因此必須考慮到,匹配阻抗會(huì)因?yàn)橥ㄟ^串行接口連接各種LSI和器件,或者因?yàn)榘惭b在電路板上,而受到嚴(yán)重影響。從上述情況來看,如果使用串行接口,與傳統(tǒng)的RFID標(biāo)簽相比,天線設(shè)計(jì)可能會(huì)越來越復(fù)雜。
? ? 未來發(fā)展
? ? 由于RFID代表射頻識(shí)別(RadioFrequencyIDentification),RFID起初被用作可由RFID閱讀器讀取的ID存儲(chǔ)。富士通半導(dǎo)體將FRAM用在了RFID上,由于FRAM擦寫速度快、耐擦寫次數(shù)高而實(shí)現(xiàn)了大容量存儲(chǔ)的數(shù)據(jù)載體標(biāo)簽。如今,內(nèi)置串行接口的RFID增加了一項(xiàng)新功能,即時(shí)標(biāo)簽不在RF區(qū)域,也可通過MCU從傳感器等設(shè)備上記錄可追溯數(shù)據(jù),并可在日后通過RF讀取數(shù)據(jù)。
? ? 盡管在實(shí)際應(yīng)用中有些問題還需要得到解決,我們還是希望客戶通過樣品對這一功能進(jìn)行評估,從而發(fā)現(xiàn)新的可能性。在與客戶進(jìn)行評估和探討的過程中,我們將改進(jìn)LSI的規(guī)格的問題。此外,我們有許多MCU產(chǎn)品可以與RFID連接,希望客戶也能可以考慮采用這些產(chǎn)品。

產(chǎn)品承諾:
保?證?全新原裝進(jìn)口,
保?證?安全準(zhǔn)時(shí)發(fā)貨,
保?證售后服務(wù)質(zhì)量,
優(yōu)勢價(jià)格,大量現(xiàn)貨。

主營DCS系統(tǒng)配件
機(jī)器人系統(tǒng)配件
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NetApp X2040B Fiber Channel FC-AL Storage Controller

NetApp X2044B Fiber Channel FC-AL Storage Controller

NetApp X2044A Fiber Channel FC-AL Storage Controller

NetApp X226 72GB FC-AL ZCS Hard Drive for FC9 Shelf
We buy your NetApp, EMC, IBM, SUN surplus.

NetApp X1025D Gigabit Ethernet IV Card (optical w/ SC)

NetApp X1025C Gigabit Ethernet III Controller

NetApp X278A-R5 144GB 15K FC-AL 4Gb Drive for DS14 MK4
We buy your NetApp, EMC, IBM, SUN surplus.

Network Appliance NetApp FAS940c Filer

專業(yè)銷售進(jìn)口DCS? PLC系統(tǒng)備件模塊

PLC模塊,可編程控制器,CPU模塊,IO模塊,AI模塊,通訊模塊。AB/施耐德/ABB/GE/本特利/西屋/英維斯/霍尼韋爾/黑馬/FU克斯波羅

15天包退換 一年質(zhì)保 大量現(xiàn)貨? 國內(nèi)實(shí)力庫存商家


選擇深圳長欣,選擇放心,售后無憂大量現(xiàn)貨,當(dāng)天順豐發(fā)貨!
主營:本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機(jī)器人系統(tǒng)配件,大型伺服系統(tǒng)備件。

先介紹幾點(diǎn)經(jīng)驗(yàn)。
1、先通讀一遍“系統(tǒng)手冊”(不管能不能看懂,先了解個(gè)大概,以便學(xué)習(xí)編程時(shí)查找);
2、由位控邏輯入手,逐漸增加定時(shí)、計(jì)數(shù)等條件,把或、與、非關(guān)系理順;
3、進(jìn)而練習(xí)整數(shù)運(yùn)算、實(shí)數(shù)運(yùn)算、類型轉(zhuǎn)換;
4、量程轉(zhuǎn)換、PID調(diào)節(jié)回路的建立及P、I、D參數(shù)的理解(最好是有個(gè)物理回路驗(yàn)證,比如變頻器+電機(jī)+測速傳感器);
5、循環(huán)、順序、跳轉(zhuǎn)等程序控制(盡量避免跳轉(zhuǎn),非跳不可時(shí)也是跳的越近越好);
6、中斷、通訊、位置控制....

本人以ABB工業(yè)機(jī)器人配件DSQC系列和Motorola MVME系列,GE 卡件 模塊 驅(qū)動(dòng)器系列為主攻。各位電工朋友可根據(jù)自己的條件選擇適合自己的PLC品牌,由于PLC的基本框架大同小異,學(xué)會(huì)一種至于其它的學(xué)習(xí)起來也就簡單了。