cheliangzhenceqiweidaolujiaotongziliaoshoujixitongzhongyaoyihuan，weizhixingdaolujiaotongguanliyingjubeidejibenshebei，suoyoujiaotongguanlicelvebixuyilaiziliaoshoujixitongdexinxi，fangnengzhidingyuzhixingjiaotongguanlicelve。ziliaoshoujixitongchulejuyoutigongshishishujudegongnengwai，changqisuosoujidelishixingziliaonenggoutigongjiaotongguihuadanweizuoweinidingjiaotongguanzhijiguihuadejibenziliao。
一般的車輛偵測器包括傳感器(Sensor)及終端控製器(Controller)兩liang部bu分fen，終zhong端duan控kong製zhi器qi為wei介jie接jie前qian端duan的de傳chuan感gan器qi，將jiang車che輛liang資zi料liao運yun算suan處chu理li，並bing與yu控kong製zhi中zhong心xin的de中zhong央yang控kong製zhi器qi作zuo通tong訊xun聯lian機ji，將jiang所suo收shou集ji的de偵zhen測ce資zi料liao實shi時shi或huo定ding時shi傳chuan回hui交jiao控kong中zhong心xin之zhi資zi料liao收shou集ji處chu理li設she施shi。通tong訊xun采cai用yong數shu據ju專zhuan線xian方fang式shi傳chuan輸shu，然ran而er數shu據ju專zhuan線xian的de架jia設she，需xu要yao路lu麵mian開kai挖wa，較jiao偏pian遠yuan地di區qu無wu法fa架jia設she，造zao成cheng設she置zhi上shang的de困kun擾rao。專zhuan線xian斷duan線xian時shi，資zi料liao亦yi遺yi失shi，需xu要yao昴mao貴gui的de資zi料liao收shou集ji器qi，係xi統tong建jian置zhi時shi需xu要yao龐pang大da的de開kai發fa。
本例中，MA8與偵測裝置直接透過RS-232jiekoulianjie，duquxianchangsuoxiequzhishuju，xitongchulekeyijianshaokaiwajishezhishangdekunraowai，kuaisujianlizhencezhan，yunyongxieyifenxifangshi，yucheliuzhencexitongjiehe，jiangchuanlaidedaliangziliaofenxichengyibibideziliaozaijingyouGPRS網絡及Internet將傳送至交通管理中心。除傳輸車輛偵測資料外，此案例同時透過MA8的Digital I/O偵zhen測ce不bu斷duan電dian係xi統tong，可ke告gao知zhi管guan理li中zhong心xin現xian場chang供gong電dian狀zhuang況kuang。交jiao通tong管guan理li中zhong心xin結jie合he其qi它ta係xi統tong所suo獲huo得de的de信xin息xi，製zhi定ding與yu評ping估gu交jiao通tong控kong製zhi策ce略lve，並bing將jiang相xiang關guan信xin息xi傳chuan送song給gei用yong路lu人ren，以yi達da到dao運yun輸shu效xiao率lv最zui大da化hua及ji提ti升sheng運yun輸shu安an全quan等deng目mu標biao。
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