can wifi轉(zhuǎn)換器是一種CAN總線網(wǎng)關(guān)工具。什么是網(wǎng)關(guān)工具?說(shuō)人話就是數(shù)據(jù)轉(zhuǎn)換器,CAN WiFi轉(zhuǎn)換器就是實(shí)現(xiàn)CAN總線數(shù)據(jù)與WiFi數(shù)據(jù)之間轉(zhuǎn)換的設(shè)備,它可能長(zhǎng)成下面這個(gè)樣子
CAN轉(zhuǎn)WiFi是做什么的呢?絕大多數(shù)情況下,CAN轉(zhuǎn)WiFi設(shè)備是用于延長(zhǎng)CAN總線的有效通訊距離的。這時(shí)候有的朋友會(huì)說(shuō)了,進(jìn)行CAN數(shù)據(jù)中繼,使用CAN轉(zhuǎn)光纖中繼器不香嗎?的確,相較于CAN轉(zhuǎn)WiFi網(wǎng)關(guān),CAN轉(zhuǎn)光纖中繼器可以實(shí)現(xiàn)更遠(yuǎn)的CAN中繼目的。不過(guò),都說(shuō)了是使用光纖延長(zhǎng)通訊距離,如果現(xiàn)場(chǎng)沒(méi)有光纖,你不還得臨時(shí)布置不是?相對(duì)于布設(shè)光纖,以太網(wǎng)存在的地方更多,我們使用CAN轉(zhuǎn)光纖中繼器,可以利用現(xiàn)有的以太網(wǎng)系統(tǒng)進(jìn)行CAN的中繼延長(zhǎng),下面說(shuō)說(shuō)怎么用這個(gè)東西。
首先,我們要遵循CAN通訊的那些基本原則,比如CAN高連CAN高,CAN低連CAN低,加120歐姆電阻以及通訊速率調(diào)為一致什么的。然后,是設(shè)備的以太網(wǎng)端,我們要保證設(shè)備與以太網(wǎng)系統(tǒng)屬于一個(gè)IP地址之下。我不管你是兩個(gè)CAN轉(zhuǎn)WiFi設(shè)備連接在一個(gè)路由器或者交換機(jī)上還是一個(gè)CAN轉(zhuǎn)WiFi設(shè)備和電腦相連接,IP地址一定要一致。之后,我們開(kāi)始設(shè)置客戶(hù)端和服務(wù)器的關(guān)系。
一說(shuō)客戶(hù)端以及服務(wù)器,我們想的最多的是玩手游,手機(jī)就是一個(gè)客戶(hù)端,某大廠那里就是服務(wù)器。客戶(hù)端可以訪問(wèn)服務(wù)器,服務(wù)器只能被動(dòng)的被客戶(hù)端訪問(wèn)?;氐紺AN轉(zhuǎn)WiFi網(wǎng)關(guān)這里,一個(gè)CAN轉(zhuǎn)WiFi網(wǎng)關(guān)被設(shè)置為客戶(hù)端,另一臺(tái)設(shè)備就需要被設(shè)置為服務(wù)器。當(dāng)然有時(shí)候?yàn)榱搜娱L(zhǎng)通訊距離還會(huì)設(shè)置個(gè)AP什么的,就相當(dāng)于把某一臺(tái)CAN轉(zhuǎn)WiFi網(wǎng)關(guān)設(shè)置為路由器,其他的CAN轉(zhuǎn)WiFi網(wǎng)關(guān)通過(guò)都連接它實(shí)現(xiàn)CAN通訊的延長(zhǎng)。
如果您還需要相關(guān)的CAN轉(zhuǎn)WiFi網(wǎng)關(guān)設(shè)備的話 ,可以找我進(jìn)行討論,加微信183-0981-5706。
原文標(biāo)題:帶你了解can wifi轉(zhuǎn)換器怎么用
文章出處:【微信公眾號(hào):廣成CAN總線】歡迎添加關(guān)注!文章轉(zhuǎn)載請(qǐng)注明出處。
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原文標(biāo)題:帶你了解can wifi轉(zhuǎn)換器怎么用
文章出處:【微信號(hào):gccanzx,微信公眾號(hào):廣成工控】歡迎添加關(guān)注!文章轉(zhuǎn)載請(qǐng)注明出處。
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