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                                                                                                                                                                                                    聯系我們收藏本站在線留言網站地圖歡迎進入西安相遠科技有限公司!
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                                                                                                                                                                                                    液位計變送器的總線制和分線制的區別

                                                                                                                                                                                                    作者: 仇阿利 編輯: Lily 來源: 西安相遠科技有限公司 點擊數: 956 發布日期: 2022.07.20
                                                                                                                                                                                                    信息摘要:
                                                                                                                                                                                                    變送器的數據傳輸方式目前大致可分為兩種,總線制數字量信號和分線制模擬信號。目前液位變送器常見的總線型有PA總線  FF總線...

                                                                                                                                                                                                            總線和分線是就控制器與探測器的鏈接方式而言,如果,每個探測器都需要一根電線才能完成與控制器的通訊,則稱此種連接方式為分線連接。如果幾個探測器可以共用一根電線完成與控制器的通訊,則稱此種連接方式為總線連接??偩€一般傳輸的是數字信號,它的形式很多,如RS485總線:CAN總線等。

                                                                                                                                                                                                    4-20ma液位變送器

                                                                                                                                                                                                             液位計變送器的數據傳輸方式目前大致可分為兩種,總線制數字量信號和分線制模擬信號。兩線制:兩線連接一般是指PowerBUS總線方式,可以實現兩線供電和通訊的數字傳輸方式。三線制:三線制多為模擬量4~20mA分線傳輸方式,其中兩根線纜是用來給變送器供電,另外一條傳輸模擬量信號。四線制:四線方式多為485總線通訊方式,其中兩條線為485信號A、B線,另外兩條為變送器的電源線。

                                                                                                                                                                                                             目前液位變送器常見的總線型有PA總線  FF總線...如需進一步咨詢,您可以撥打相遠服務熱線;400-101-2883.

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