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無線傳輸模塊

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聯(lián)系我們

地址：北京市昌平區(qū)回龍觀北京國際信息產(chǎn)業(yè)基地發(fā)展路1號(hào)院（集智達(dá)大廈5層）

郵編：102206

電話：010-81909399

傳真：010-81909456

網(wǎng)址：http://m.liujiqiang.com

E-mail：marketing@gemotech.cn

R-8552/8554 GPRS DTU

主要特點(diǎn)

- 支持雙向全透明數(shù)據(jù)傳輸

- 內(nèi)置看門口狗，具備異常重啟。采用多重軟硬件設(shè)計(jì)

- 支持短信、本地和遠(yuǎn)程圖形界面配置與維護(hù)；

- 支持中英文短信、短信接收、單發(fā)、群發(fā)功能；

- 支持?jǐn)?shù)據(jù)中心動(dòng)態(tài)域名或固定IP地址訪問；

- 支持虛擬數(shù)據(jù)專用網(wǎng)；

- 點(diǎn)對(duì)點(diǎn)、點(diǎn)對(duì)對(duì)點(diǎn)、中心對(duì)多點(diǎn)、數(shù)據(jù)/短信觸發(fā)等多種方式可選；

- 可根據(jù)用戶的特殊需求定制帶模擬量、開關(guān)量采集功能的工業(yè)模式。

產(chǎn)品型錄

產(chǎn)品介紹
產(chǎn)品規(guī)格
檔案下載

DTU是一款工業(yè)無線通訊終端產(chǎn)品，適用于GSM/GPRS網(wǎng)絡(luò)覆蓋范圍內(nèi)的各種室內(nèi)或野外惡劣環(huán)境，主要針對(duì)電力系統(tǒng)自動(dòng)化、工業(yè)控制、交通管理、氣象、環(huán)保監(jiān)測(cè)、煤礦、金融、證券、油田等行業(yè)的應(yīng)用，利用GPRS網(wǎng)絡(luò)平臺(tái)實(shí)現(xiàn)數(shù)據(jù)信息的透明傳輸，并可通過輔助手段來實(shí)現(xiàn)對(duì)DTU控制，組成用戶專用數(shù)據(jù)網(wǎng)絡(luò)。

天線接頭	50?/SMA陰頭
接口	波特率：600bps~115200bps，數(shù)據(jù)格式：1起始位、8數(shù)據(jù)位、1停止位。類型RS-232/RS-485
供電	供電電源：DC+10V~30V/1A寬限電源電壓和DC+5V/1.5A電源電壓兩種供電方式
工作電流	90mA / +24VDC
工作環(huán)境溫度	-20℃~+60℃
相對(duì)濕度	50℃，30%~80%無凝結(jié)
重量	150g

典型應(yīng)用：

變壓器遠(yuǎn)程監(jiān)測(cè)系統(tǒng)；FTU智能電力測(cè)控終端；路燈測(cè)控終端；電泵井監(jiān)測(cè)終端；抽油機(jī)遠(yuǎn)程監(jiān)測(cè)系統(tǒng)。

訂貨信息：

- R-8552 DTU：采用WAVECOMM GPRS模塊

- R-8554 DTU：采用SIMCOMM GPRS模塊

- 天線：可選吸盤式天線和桿式天線

（本產(chǎn)品新舊包裝混發(fā)）

Driver

日期	說明	版本	操作系統(tǒng)	下載

Manual

日期	說明	版本	操作系統(tǒng)	下載

基本文件流程錯(cuò)誤 SQL 調(diào)試

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/usr/home/qyu61771/htdocs/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.14 KB )

1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') ) LIMIT 4' at line 1 [ SQL語句 ] : SELECT * FROM `fc_article` WHERE ( `article_id` IN () ) LIMIT 4
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SHOW COLUMNS FROM `fc_picture` [ RunTime:0.001078s ]
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SELECT * FROM `fc_article_cat` WHERE ( `cat_id` IN ('0','2','10','101') ) ORDER BY level asc [ RunTime:0.000467s ]
SELECT * FROM `fc_article_cat` WHERE ( `cat_id` = 4 ) LIMIT 1 [ RunTime:0.000579s ]
SELECT `cat_id` FROM `fc_article_cat` WHERE ( `npath` LIKE '0,4,%' ) [ RunTime:0.000484s ]
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R-8552/8554 GPRS DTU

Driver

Manual