IC697MCS704聯(lián)系人:李先生
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IC697MCS704
航標(biāo)遙測(cè)遙控終端上電后,由終端的數(shù)據(jù)采集電路開(kāi)始工作,采集航標(biāo)燈的各個(gè)工作狀態(tài),包括電源的動(dòng)態(tài)電壓、靜態(tài)電壓、充電電壓、動(dòng)態(tài)電流、充電電流、運(yùn)行燈質(zhì)等等。
為降低RTU系統(tǒng)的功耗,采集電路是以一定的時(shí)間間隔進(jìn)行工作(可設(shè)置),每次每個(gè)參數(shù)測(cè)量至少 10次,然后取平均值作為本時(shí)刻的數(shù)據(jù),并將這些數(shù)據(jù)和存儲(chǔ)的中心設(shè)置參數(shù)(閥值)進(jìn)行比較,判斷航標(biāo)燈是否出現(xiàn)異常情況,如果異常,則由ARM主系統(tǒng)申請(qǐng)進(jìn)行報(bào)警處理。在ARM主系統(tǒng)得到航標(biāo)運(yùn)行參數(shù)和航標(biāo)位置參數(shù)后,按照規(guī)定的數(shù)據(jù)協(xié)議和GSM協(xié)議、GPRS協(xié)議,進(jìn)行消息編碼,由GSM/GPRS模塊實(shí)現(xiàn)數(shù)據(jù)發(fā)送。系統(tǒng)采用GPRS實(shí)時(shí)傳輸(主)和SMS短消息(輔)兩種通信方式,主輔通信方式通過(guò)科學(xué)組合、自動(dòng)適應(yīng)、自動(dòng)切換,采用抗干擾和過(guò)濾設(shè)計(jì)。傳送數(shù)據(jù)時(shí)采用無(wú)應(yīng)答時(shí)重發(fā),GPRS不成功轉(zhuǎn)為短消息傳送,短消息不成功重啟通信模塊重新發(fā)送,在限時(shí)內(nèi)不成功自動(dòng)保存,等待網(wǎng)絡(luò)恢復(fù)時(shí)補(bǔ)發(fā)。
對(duì)于處理較為復(fù)雜和實(shí)時(shí)性要求高的閃光燈燈質(zhì)測(cè)量、加速度撞擊測(cè)量時(shí),先由從 CPU(LPC1114)先進(jìn)行預(yù)處理后再交由主CPU(LPC1769),這樣可以保證當(dāng)高性能的主CPU處于低頻省電休眠時(shí)也不會(huì)降低航標(biāo)終端監(jiān)測(cè)的實(shí)時(shí)性和報(bào)警的及時(shí)性,保證在終端處于休眠時(shí)也能在線監(jiān)測(cè)航標(biāo)燈的狀態(tài)、工作參數(shù)、撞擊情況、充電和電池情況,出現(xiàn)異常和超限時(shí)馬上觸發(fā)報(bào)警處理。當(dāng) GPS模塊沒(méi)有關(guān)機(jī)時(shí)可對(duì)浮標(biāo)的位置持續(xù)測(cè)量及報(bào)警判斷;當(dāng)GSM模塊沒(méi)有關(guān)機(jī)時(shí),監(jiān)控中心可以隨時(shí)查詢其實(shí)時(shí)狀態(tài)。
IC697MCS704GOULD MODICON M485-008 PROCESSOR (REPAIRED)
SQUARE D HEAVY DUTY SAFETY SWITCH H221AWK (30 AMP) NIB
FANUC A13B-0073-C001 INTERFACE ADAPTER W/POWER SUPPLY
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ALLEN BRADLEY 1746-BTM BARREL TEMPERATURE MODULE
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SANYO DENKI TYPE S PM DRIVER TPMAPA1S6A01 EXTRA NICE
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OKUMA E4809-770-032-3 RELAY BOARD 1 XLNT CONDITION
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NORDSON HOT MELT PARTS HUGH LOT MODULES REBUILD KITS 68
PCS. 1 LOT MUST SEE PICTURES AND DESC. FOR INFORMATION
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SIEMENS 6ES5430-4UA11 SIMATIC INPUT MODULE
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FANUC A16B-2200-0020 /03 15T CNC Control PCB Board
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EMERSON DRIVE ECLIPSE I (10 HP) GOOD TAKEOUT NO RESERVE
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KURZ MASS FLOW ELEMENT 450 FACTORY REMAN
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IC697MCS704