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Unattended Station and Area Management

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Skid-mounted Integrated Monitoring Station

Valve Chamber Venting Operation Control System

Valve Chamber Venting Operation Control System

Digital pumpjack Control Cabinet

Digital pumpjack Control Cabinet

Pipeline Integrity Monitoring System

Pipeline Integrity Monitoring System

Digital Twin Technology

Digital Twin Technology

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Discrete Industry MES

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MES for Oil and Gas Industry

Intelligent Water Conservancy Comprehensive Solutions

Intelligent Water Conservancy Comprehensive Solutions

Intelligent Remote Monitoring of Safety Belt for Working at Height

Intelligent Remote Monitoring of Safety Belt for Working at Height

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DCS

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SCADA System

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UHC-Medium and large distributed hybrid controller

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Medium to Large Rackmount Hybrid Controller

Hybrid Controller for Edge Computing

Hybrid Controller for Edge Computing

Small and medium-sized integrated hybrid controllers

Small and medium-sized integrated hybrid controllers

Safety Controller

Safety Controller

DRESS21C PRO——Industrial Automation Information Platform(HMI+)

DRESS21C PRO——Industrial Automation Information Platform(HMI+)

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Intellectual Property Rights

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National Oil and Gas Pipeline Network

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China-Russia Eastern Natural Gas Pipeline Project

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PetroChina Tarim South Xinjiang Beneficial Project

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CNOOC Guangdong Dapeng LNG Project

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China Gas Projects

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Beijing Gas Project

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Chengdu Tianfu International Airport Natural Gas Regulator Station and Internal Pipeline Network Project

ENN Group Zhoushan LNG Sampling System

ENN Group Zhoushan LNG Sampling System

Xinjiang Groundwater Resources Online Monitoring Management Platform

Xinjiang Groundwater Resources Online Monitoring Management Platform

Beijing Huairou Alternate Water Source Water Supply Control System

Beijing Huairou Alternate Water Source Water Supply Control System

Research and demonstration application of digital control technology for pipeline coating in CNOOC

Research and demonstration application of digital control technology for pipeline coating in CNOOC

國產(chǎn)PLC可編程控制器控制系統解決方案 DRAC-200 RS232&RS485 丨龍鼎源

Publication At: 2024-03-02
View: 29625

DRAC-200含有3個(gè)串行通訊接口，COM1為RS232，COM2、COM3為RS485，用作與外部進(jìn)行數據交換。串行通訊接口均為RJ45接頭，均支持標準的Modbus協(xié)議。用戶(hù)可在UHCDesigner編程軟件的“通訊口配置”選項中設置這些串口的波特率等配置。


RS232的RJ45接口與DB9母頭連接示意圖：



RS485的RJ45引腳分配：


DRAC-200含有2個(gè)獨立的100/10M以太網(wǎng)口RJ45型接口，黃燈是數據燈，綠燈是連接燈。端口連接上網(wǎng)絡(luò )后，綠燈亮；端口上有數據發(fā)送或接收時(shí)，黃燈閃爍，沒(méi)有數據傳輸時(shí)，黃燈熄滅。以太網(wǎng)接線(xiàn)圖如下圖所示：


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