遠(yuǎn)創(chuàng)智控YC-EIP-TCP是自主研發(fā)的一款ETHERNET/IP從站功能的通訊網(wǎng)關(guān)。該產(chǎn)品主要功能是將各種MODBUS-TCP設(shè)備接入到ETHERNET/IP網(wǎng)絡(luò)中。
本網(wǎng)關(guān)連接到ETHERNET/IP總線中做為從站使用,連接到MODBUS-TCP總線中做為主站(客戶端)或從站(服務(wù)器)使用。
2.拓?fù)鋱D
3.技術(shù)參數(shù)
ETHERNET/IP技術(shù)參數(shù)
● 遠(yuǎn)創(chuàng)智控YC-EIP-TCP網(wǎng)關(guān)做為ETHERNET/IP網(wǎng)絡(luò)的從站,可以連接AB(羅克韋爾)、歐姆龍等品牌的PLC。
● 以太網(wǎng)10/100M自適應(yīng),具有IP地址沖/突探測功能。
● 支持ODVA標(biāo)準(zhǔn)EtherNet/IP通信協(xié)議。
● 輸入輸出字節(jié)數(shù):輸入字節(jié)數(shù)最大490 Bytes、輸出字節(jié)數(shù)最大490 Bytes。
MODBUS-TCP技術(shù)參數(shù)
● 遠(yuǎn)創(chuàng)智控YC-EIP-TCP網(wǎng)關(guān)的MODBUS接口可通過撥碼選擇做為主站(客戶端)或從站(服務(wù)器),兩種工作方式二選一工作。
● 網(wǎng)關(guān)作為MODBUS主站,支持01H、02H、03H、04H、05H、06H、0FH、
10H號功能。
● 網(wǎng)關(guān)作為MODBUS主站,最大可以開通8個通道,連接8個MODBUS從站。從站站號1~8,對應(yīng)端口號10001~10008,端口號可以通過軟件進(jìn)行更改。
站號: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
端口: | 10001 | 10002 | 10003 | 10004 | 10005 | 10006 | 10007 | 10008 |
● 網(wǎng)關(guān)作為MODBUS從站,支持02H、04H、0FH、10H號功能。
網(wǎng)關(guān)作為MODBUS從站,端口號支持501~504。
MODBUS的電氣連接
MODBUS-TCP采用標(biāo)準(zhǔn)的T568B接法,支持直連和交叉接線方式,如上圖所示。MODBUS-TCP只需要連接以太網(wǎng)的1、 2、 3、 6這四根信號線即可實現(xiàn)通訊。用戶需注意以太網(wǎng)線的屏蔽層連接良好。
協(xié)議轉(zhuǎn)換原理
遠(yuǎn)創(chuàng)智控YC-EIP-TCP網(wǎng)關(guān)分別從ETHERNET/IP一側(cè)和MODBUS一側(cè)讀寫數(shù)據(jù),存入各自的緩沖區(qū),網(wǎng)關(guān)內(nèi)部將緩沖區(qū)的數(shù)據(jù)進(jìn)行交換,從而實現(xiàn)兩邊數(shù)據(jù)的傳輸。
審核編輯 黃宇
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