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華南貓
PLC無(wú)線(xiàn)通訊遠程控制巨控黃工：18922726899
級別: 探索解密
精華主題: 0
發(fā)帖數量: 70 個(gè)
工控威望: 178 點(diǎn)
下載積分: 860 分
在線(xiàn)時(shí)間: 43(小時(shí))
注冊時(shí)間: 2017-02-21
最后登錄: 2025-06-09
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樓主  發(fā)表于: 2017-07-24 10:43
GSM天線(xiàn)，3G天線(xiàn)放在防爆箱的外頭，天線(xiàn)需要防爆嗎？有沒(méi)有做過(guò)的朋友~
技術(shù)咨詢(xún)熱線(xiàn)：18922726899  巨控黃工
華南貓
PLC無(wú)線(xiàn)通訊遠程控制巨控黃工：18922726899
級別: 探索解密
精華主題: 0
發(fā)帖數量: 70 個(gè)
工控威望: 178 點(diǎn)
下載積分: 860 分
在線(xiàn)時(shí)間: 43(小時(shí))
注冊時(shí)間: 2017-02-21
最后登錄: 2025-06-09
查看華南貓的 主題 / 回貼
1樓  發(fā)表于: 2017-07-26 09:11
就是用在石化行業(yè)的，我們買(mǎi)了標稱(chēng)防爆的天線(xiàn)，按道理發(fā)射功率不大應該不用防爆才對~
技術(shù)咨詢(xún)熱線(xiàn)：18922726899  巨控黃工

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