詳細(xì)參數(shù) | |||
---|---|---|---|
品牌 | GE | 型號(hào) | IC693MDL930 |
結(jié)構(gòu)形式 | 模塊式 | 安裝方式 | 控制室安裝 |
LD指令處理器 | 硬PLC | I/O點(diǎn)數(shù) | IC693MDL930 |
功能 | IC693MDL930 | 工作電壓 | 220 |
輸出頻率 | 220 | 處理速度 | 20 |
程序容量 | 10 | 數(shù)據(jù)容量 | 20 |
產(chǎn)品認(rèn)證 | ccc | 環(huán)境溫度 | 10 |
環(huán)境濕度 | 10 | 加工定制 | 否 |
重量 | 1 | 產(chǎn)地 | 美國(guó) |
外形尺寸 | 10 |
IC693MDL930
IC693MDL930
IC693MDL930
IC693MDL930
現(xiàn)場(chǎng)由熱敏電阻對(duì)糧倉(cāng)的溫度進(jìn)行測(cè)量,每個(gè)糧倉(cāng)約有200點(diǎn)模擬量輸入(均是熱敏電阻信號(hào));并根據(jù)糧食的情況對(duì)現(xiàn)場(chǎng)進(jìn)行濕度檢測(cè)。
(2)、系統(tǒng)操作站
系統(tǒng)設(shè)1個(gè)操作站,起到人機(jī)接口的作用,操作站運(yùn)行工業(yè)力控監(jiān)控軟件,對(duì)現(xiàn)場(chǎng)的溫度進(jìn)行巡回檢測(cè)。用碩人時(shí)代的PAC控制現(xiàn)場(chǎng)輸送機(jī)、提升機(jī)、電動(dòng)閘門、通風(fēng)機(jī)的啟動(dòng)運(yùn)行,以及報(bào)警等功能的反饋信號(hào),實(shí)現(xiàn)自動(dòng)化控制。
(3)、控制網(wǎng)
控制網(wǎng)采用GPRS和以太網(wǎng)相結(jié)合進(jìn)行控制。控制單元采用碩人時(shí)代的STEC為主控制站,控制和監(jiān)視現(xiàn)場(chǎng)的數(shù)字點(diǎn),而用碩人時(shí)代的遠(yuǎn)程數(shù)據(jù)采集器對(duì)現(xiàn)場(chǎng)的溫度和濕度進(jìn)行采集,可靠性高。所有工作完全“獨(dú)立”,任何一個(gè)一點(diǎn)出現(xiàn)故障都不會(huì)影響其他溫度點(diǎn)的正常采集。
系統(tǒng)的結(jié)構(gòu)如圖所示
2、系統(tǒng)功能
(1)、系統(tǒng)優(yōu)點(diǎn)
本系統(tǒng)溫濕度信號(hào)都是模擬信號(hào),網(wǎng)絡(luò)布線方便、經(jīng)濟(jì),因?yàn)槊總€(gè)溫濕度探頭輸出的直接為可聯(lián)網(wǎng)數(shù)字信號(hào),信號(hào)傳輸過(guò)程的衰減不會(huì)影響系統(tǒng)精度,且傳輸距離長(zhǎng),每個(gè)出線口可接多個(gè)個(gè)溫濕度探頭。
采集模塊自動(dòng)識(shí)別傳感器類型、數(shù)量,配置和擴(kuò)展方便,可以根據(jù)現(xiàn)場(chǎng)安裝條件,適當(dāng)選擇模塊的安裝位置及使用模塊的數(shù)量,以便降低成本。
采用低功耗設(shè)計(jì),只需對(duì)采集器供電,無(wú)需對(duì)傳感器供電,現(xiàn)場(chǎng)供電點(diǎn)少,施工方便。
(2)、系統(tǒng)方案
根據(jù)現(xiàn)場(chǎng)實(shí)際情況,采用溫濕度模塊采集,通常一個(gè)糧倉(cāng),測(cè)溫點(diǎn)數(shù)小于500點(diǎn),使用STEC控制器可滿足要求,北京碩人時(shí)代的控制器可以實(shí)現(xiàn)以太網(wǎng)、無(wú)線通訊、光纖、RS232、RS485等多種通訊,并且根據(jù)現(xiàn)場(chǎng)的采集點(diǎn)的分部情況,可選擇從幾點(diǎn)到幾百點(diǎn)的溫濕度采集器。
因倉(cāng)的高度及婁布的原因,為了現(xiàn)場(chǎng)安裝方便,溫濕度的信號(hào)采集傳輸和現(xiàn)場(chǎng)設(shè)備的控制,一般采用監(jiān)控中心+主干傳輸線(或無(wú)線通訊)+STEC控制器/采集器+現(xiàn)場(chǎng)溫濕度電纜+現(xiàn)場(chǎng)溫濕度采集儀器。將STEC控制器/采集器和現(xiàn)場(chǎng)溫濕度采集儀表安裝在合適的位置,提高控制器/采集器和測(cè)溫線纜的利用率,降低成本。
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