CN201354933Y - Automatic monitoring system of booster pump station based on PLC and Internet - Google Patents
Automatic monitoring system of booster pump station based on PLC and Internet Download PDFInfo
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- CN201354933Y CN201354933Y CNU2009200665495U CN200920066549U CN201354933Y CN 201354933 Y CN201354933 Y CN 201354933Y CN U2009200665495 U CNU2009200665495 U CN U2009200665495U CN 200920066549 U CN200920066549 U CN 200920066549U CN 201354933 Y CN201354933 Y CN 201354933Y
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 43
- 239000013307 optical fiber Substances 0.000 claims abstract description 7
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- 230000002452 interceptive effect Effects 0.000 claims description 3
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- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
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- 239000008358 core component Substances 0.000 description 1
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Abstract
The utility model relates to the industrial automation monitoring technical field, in particular to an automatic monitoring system of booster pump station based on PLC and Internet, wherein at least two PLC devices are mutually connected into a PLC system as a control core of a pump station automatic monitoring system through a redundancy module, an upper computer, a video frequency server, a PLC system and a network server are all accessed into an industrial exchanger in the pump station to form a pump station local area network, and the industrial exchanger in each pump station local area network and a pump supervision station local area network are accessed into an Internet network through adopting optical fiber lines and passing through an electric-to-optical transducer, thereby realizing the remote monitoring of a pump supervision station to each device in a booster pump station. Compared with the prior art, the automatic monitoring system is characterized in that users realize the unattended operation of the booster pump station through Internet/internal operation and monitoring through the function of remotely and rapidly accessing the monitoring system of an enterprise local area network and the Internet, and the redundancy system is adopted, thereby guaranteeing the reliability of the monitoring system.
Description
[ technical field ]
The utility model belongs to the technical field of the industrial automation control technique and specifically relates to a booster pump station automatic monitoring system based on PLC and Internet.
[ background art ]
The urban booster pump station increases the flow rate of a pipe network, improves the service pressure and increases the regional water supply through pumping and pressurizing, and plays an important role in an urban tap water supply system. However, at present, a certain part of booster pump stations in China still run in a manual mode, and some booster pump stations are tested for automatic measurement and control, but many booster pump stations are only tested automatically, and the control is also the local control of a mechanical instrument or a part of a microcomputer at a lower level. Therefore, the control concept and control means representing the modern control new technology cannot be well applied to the booster pump station in China, and the industrialization and automation management process of the pump station is hindered.
With the rapid development of the Internet and industrial Ethernet technologies, the Web technology built on the basis of the industrial Ethernet and the TCP/IP protocol is widely applied to the field of industrial automation, and the improvement of the booster pump station monitoring system on the technical application is possible.
[ summary of the invention ]
The utility model aims at overcoming prior art not enough, adopt general PLC as booster pump station monitored control system's core, utilize some communication technology based on ethernet, Internet simultaneously, provide a booster pump station unmanned on duty monitored control system to the realization is effectively kept watch on and is controlled the system to the pump station primary equipment.
The design target of the pump station monitoring system is divided into two levels: the first one is to realize effective monitoring and control of the total station equipment, the monitored objects comprise a pump set, an electrical system, a water system, a gate control system, an excitation system and a direct current system, the safe and reliable operation of a pump station is guaranteed, the operation condition of the pump station is counted, and a report is formed; the second level is to realize the optimized dispatching and the economic operation of the pump station on the basis of the first level and achieve the aim of unattended operation or unattended operation.
In order to realize above-mentioned purpose, design a booster pump station automatic monitoring system based on PLC and Internet, including the PLC equipment who constitutes booster pump station automatic monitoring system control core to and host computer, video server, network server, pump management computer, pump management LAN, industry switch, fiber converter, its characterized in that: the upper computer, the video server, the PLC system and the network server are all connected with an industrial exchanger in a pump station to form a pump station local area network, the industrial exchanger in each pump station local area network and the pump station local area network are connected with an Internet network through a photoelectric converter by adopting optical fiber circuits, such as a cable-through machine room industrial exchanger in Shanghai, network nodes of the pump station local area network and each pump station local area network are connected with the Internet network through the optical fiber circuits and are divided into different VLANs, each VLAN establishes Internet quick access through an IP full-switched network to realize remote monitoring of each device in a booster pump station by the pump station, the PLC system is formed by connecting at least two PLC devices with each other through a redundancy module, the PLC devices are formed by a power module, a CPU module, a ControlNet module, an Ethernet module, a serial port module, a redundancy module and the like which are sequentially arranged on a back plate, the redundancy module adopts a model of Controlix 1757-SR, the redundancy module is a device for performing communication connection on two same PLC devices, if one PLC device has a problem, a redundancy system uses the other same PLC device to keep a user machine or process to continuously operate, the redundancy does not need to be additionally programmed and is transparent to any device on a ControlNet network, the redundancy system is divided into a master controller and a slave controller, the current controller for controlling the machine or the current process is called the master controller, the controller for preparing the control machine or the preparation process is called the slave controller, in the redundancy system formed by a plurality of redundancy modules, the PLC device which is used by a user for firstly starting a power supply becomes the master device, the controller becomes the master controller, the other PLC device becomes the slave device, and the controller becomes the slave controller; the switching time of the redundant system is determined by the fault type and the network refreshing time NUT of the ControlNet network, if one NUT is 10ms, the switching time is about from 80ms to 220ms, a user does not need to download engineering to the slave controller, when the slave controller is synchronous with the master controller, the engineering of the master controller can be automatically transmitted to the slave controller through the redundant module, and the serial port module in the PLC equipment is also connected with the comprehensive protection measurement and control instrument of the circuit breaker by adopting a PS485 bus.
The industrial switch in the pump station adopts a 100M interactive industrial Ethernet switch.
The CPU module adopts a controlLogix5000 series modular programmable controller of Rockwell, the CPU has the characteristics of maturity, stability, powerful function and the like, can completely meet the system requirements, monitors equipment such as a pump station high-voltage power supply loop, a booster pump motor, a water inlet/outlet valve, various electromagnetic valves, a dosing system and the like in real time through programming, and realizes one-key start/stop and automatic operation of a pump station unit; processing data such as water level, flow, pressure, temperature, residual chlorine, turbidity and the like collected by equipment such as a sensor; and some abnormal operation signals are locked in logic, so as to avoid misoperation.
The power module, the ControlNet module, the Ethernet module, the redundancy module and the I/O module are all Rockwell products matched with the CPU module, so that the compatibility and the stability of the whole PLC system are ensured. Wherein,
the model adopted by the ControlNet module is ControlLogix1756-CNBR, ControlNet is a real-time control network, can transmit I/O and interlocking data and message transmission data with re-timeliness at high speed, and comprises uploading/downloading of programming and configuration data on a single physical medium link, in any system or application program using the ControlNet network, the high-efficiency data transmission function of the ControlNet network can obviously improve the I/O performance and obviously strengthen the point-to-point communication, the ControlNet has high certainty and repeatability, when equipment is connected to the network or disconnected from the network, the equipment is not influenced, and the reliable, synchronous and coordinated real-time performance can be ensured;
the Ethernet module (EtherNet/IP module) provides communication connection between the controlLogix controller and other equipment, such as an upper computer, a network server and the like, through the EtherNet/IP network;
the I/O module is divided into a digital I/O module and an analog I/O module, wherein the digital I/O module and the analog I/O module adopt a ControlLogix series I/O module, the digital I/O module provides ON/OFF detection and execution functions, and the analog I/O module can convert an analog signal into a digital signal and can also convert a digital signal into an analog signal for output.
The serial port module adopts an MVI56-GSC serial port module, is an ASCII serial port communication module specially designed for ControlLogix5000, is connected with the circuit breaker comprehensive protection measurement and control instrument through an RS485 bus, and realizes the work of controlling, measuring and the like of a power supply circuit breaker, an interconnection switch, a water pump motor breaker by sending and receiving ASCII codes in a PLC program.
The upper computer adopts an industrial control computer with reliable performance, namely an industrial personal computer, Siemens WinCCHMI software is also installed on the upper computer besides a basic Microsoft Windows XP operating system, SIMATIC WinCC is a strong HMI system used under Microsoft Windows 2000 and Windows XP, is a process monitoring system adopting 32-bit technology, has good openness and flexibility, has good performance no matter a single-user system or a redundant multi-server/multi-user system, or has good performance aiming at complex or specific tasks, can be continuously extended based on Web, adopts openness standard, and is simple and convenient to integrate. The host computer mainly realizes the following functions: one-step start-stop control of a pump machine and a valve; the automatic control of a dosing system, such as sodium hypochlorite dosing; the opening of the regulating valve is automatically controlled; pump machine and valve failure expert processing protection control; completing automatic control under a pressure mode/flow mode/time period mode of a pump station and remote control scheduling switching of the operation mode; fault detection and alarm; displaying the variation trend of the measurement data of the instrument; system and user management.
The network Server is based on the same hardware configuration as an upper computer, the software configuration is provided with a Web Navigator Server end and IIS software besides WinCC HMI software, wherein the Web Navigator is an optional element in the WinCC software, the Web Navigator converts a WinCC Server into the Web Server, and creates and issues the HMI application by means of the IIS, and a client only needs to use a standard Web Browser to operate and monitor the whole factory through the Internet/intranet without changing the WinCC project. This means that the Web Navigator can provide archive display, operator input and access control as a local operator workstation; this also means that the displayed process screen can contain Visual BASIC scripts or C language scripts for dynamic sequences that enable you to switch between the multiple languages you are willing to use through the user interface, which also means that the operator workstation on the Web has been integrated into the local user management system. IIS, namely Internet information service is server software developed by Microsoft and is a set of free software, the IIS provides WWW, FTP and other service settings, other Internet services are integrated, and a browser communicates with a Web server through HTTP.
The video server adopts an embedded network video server D-TEG produced in Korea, one of the important advantages is that an operating system is a real-time multi-task industrial product, the reliability and the stability are greatly higher than those of an image system which takes a microcomputer as a platform and WINDOWS as an operating system at present, the video server is small and compact in size, powerful in function, convenient to install and remote centralized management and setting, provided with 16 video input ports and capable of being connected with 16 cameras, meanwhile, the D-TEG is provided with an alarm input interface and a linkage output interface and can be conveniently connected with alarm equipment, and the video server mainly plays a role in real-time monitoring of production operation conditions and pump station safety.
Compared with the prior art, the utility model, adopted PLC equipment as control core, can carry out remote control to booster pump station automatic monitoring system through the Internet, compare with general monitored control system based on industrial ethernet and have following advantage:
(1) as a core component of the monitoring system, the PLC is now a very mature product, and the product of choice is not doubtful in terms of quality and operational reliability; because of the redundant system, if the equipment on one frame has problems, the redundant system can automatically use another same frame to keep the continuous operation of the user machine or process, thus the reliability of the whole monitoring system is a new step, and the configuration is very important for an important facility of booster pump station, which is related to urban industry and water consumption of residents.
(2) The monitoring system provides a function that a user can remotely and quickly access the monitoring system through an enterprise local area network and the Internet, the user at the client can operate and monitor the whole factory through the Internet/intranet only by installing a standard browser and Web Navigator client software, and can provide functions of filing display, operator input and access control like a local operator workstation, which has important significance for realizing the unattended operation of a booster pump station.
(3) The monitoring system has good network protection means and measures. Whether a local area network user of a pump management station or an Internet user, a user name and a password must be input to access the Web server. The WinCC user manager has detailed divisions of access rights to users, by which each user may have different access rights. In addition, the pump pipe station and the pump station local area network are also provided with hardware firewall to set the access of specific IP address to the server, thus effectively preventing the invasion of illegal users of the external network.
(4) The monitoring system realizes the unattended operation of the booster pump station in the true sense through the functional facilities such as remote access control, a video server and the like, and plays an important role in improving the automatic management level of the whole company, saving human resources and spending.
(5) The upper computer human-computer interface software of the monitoring system has the advantages of simple and clear control process, quick and convenient parameter query and modification, and convenience for daily use and maintenance of workers.
(6) The hardware equipment and software selected by the design of the monitoring system are mature products in the market, the reliability is high, and the whole system is reasonable in organization, simple in structure, clear in circuit and convenient for daily maintenance, diagnosis and repair.
[ description of the drawings ]
Fig. 1 is a schematic connection diagram in an embodiment of the present invention.
Fig. 2 is the utility model discloses well pump station PLC system's block diagram.
Fig. 3 is the utility model discloses well pump station monitored control system functional block diagram.
Fig. 1 is designated as an abstract drawing.
Referring to the attached drawings, 1 is an upper computer; 2 is a video server; 3 is a set of PLC equipment; 4 is another set of PLC equipment; 5 is a network server; 6 is a computer for managing personnel in the booster pump station; 7 is a pumping station interactive Ethernet; 8 is an Ineter network, such as the Shanghai cable-through machine room industrial switch; 9 is a photoelectric converter; 10 is a local area network of a pump pipe; 11 is a pump tube computer; 12 is other pump station local area network; and 13 is an optical fiber circuit.
[ detailed description of the invention ]
The following further description of the present invention will be clear to those skilled in the art.
Referring to fig. 1 and 2, in practical use, the pump station automatic monitoring system based on PLC and Internet technology includes the PLC device forming its control core: the system comprises a power supply module, a CPU module, a ControlNet module, an Ethernet module, a serial port module, a redundancy module, an I/O module and the like, and also comprises an upper computer, a network server, a video server, a pump pipe station computer, an industrial switch, an optical fiber converter and other equipment, wherein the components have extremely high reliability and stability and can safely operate in a very severe industrial environment.
The control core of the booster pump station automatic monitoring system based on PLC and Internet is as follows: the PLC equipment adopts redundancy technical configuration, namely a plurality of sets of PLC equipment are mutually connected by adopting redundancy modules, if one set of PLC equipment fails, the system can automatically start another set of standby equipment, so that the running stability and efficiency of the pump station are greatly improved;
the control Net module in the PLC equipment adopts an I/O module to connect pump station equipment, such as some actuating mechanisms, sensors, dosing system equipment and the like, and the I/O module realizes communication with the PLC through the control Net module, so that the PLC reads the running data, state values and write commands of various pump station equipment;
the serial port communication module is connected with the circuit breaker comprehensive protection measurement and control instrument through an RS485 bus, and the work of controlling, measuring and the like of a power supply circuit breaker, a contact switch, a water pump motor circuit breaker is realized by sending and receiving ASCII codes in a PLC program.
The booster pump station local area network is composed of a PLC system, an upper computer, a Web Server (network Server), a video Server and other devices, wherein the upper computer monitoring system mainly realizes the following functions: one-step start-stop control of a pump machine and a valve; automatically controlling a dosing system, such as sodium hypochlorite dosing; the opening of the regulating valve is automatically controlled; pump machine and valve failure expert processing protection control; completing automatic control under a pressure mode/flow mode/time period mode of a pump station and remote control scheduling switching of the operation mode; fault detection and alarm; displaying the variation trend of the measurement data of the instrument; system and user management.
Network nodes of a pump station management station and a booster pump station are accessed to an Internet network through optical fiber lines, such as a Shanghai wired communication central machine room, and are divided into different VLANs (virtual local area networks), each VLAN can establish Internet quick access through a Shanghai wired IP full-exchange network, and the system has the characteristics of high stability and high safety, and can realize remote monitoring of the booster pump station by a pump pipe; in addition, as long as the system is arranged in a place with Internet access, a company manager can remotely control the automatic monitoring system of the booster pump station at any time and any place, the system is mature in technology, stable and reliable in operation, manpower resources are effectively saved, and unattended operation of the booster pump station is realized; the system can also set and install network security protection technologies such as a hardware firewall and the like through the access authority of the user, and can effectively prevent the invasion of illegal users of the external network.
Referring to fig. 3, the software program designed in the automatic monitoring system of the booster pump station may be designed to operate as the following functional modules: 1. plant piping diagram: dynamically displaying the running condition of the whole pump station equipment; 2. parameter management: displaying and managing equipment operation parameters; 3. a pump room system: controlling the operation condition of the equipment; 4. data trend graph: displaying the variation trend of the measurement data of the instrument; 5. an alarm system: displaying equipment alarm information; 6, system management: user login and management, and system exit.
Claims (9)
1. The utility model provides a booster pump station automatic monitoring system based on PLC and Internet, includes host computer, video server, PLC equipment, network server, pump pipe computer, pump pipe LAN, industry switch, fiber converter, its characterized in that: the upper computer, the video server, the PLC system and the network server are all connected into an industrial exchanger in a pump station to form a pump station local area network, and the industrial exchanger in each pump station local area network is connected into an Internet network through a photoelectric converter by adopting an optical fiber circuit, such as a Shanghai wired communication machine room industrial exchanger; the PLC system is formed by connecting at least two PLC devices through a redundancy module; the PLC equipment consists of a power module, a CPU module, a ControlNet module, an Ethernet module, a serial port module and a redundancy module which are sequentially arranged on a back plate; a ControlNet module in the PLC equipment is connected with pump station equipment by adopting an I/O module, such as an actuating mechanism, a sensor and dosing system equipment of equipment in the pump station; a serial port module in the PLC equipment is connected with a circuit breaker comprehensive protection measurement and control instrument by adopting a PS485 bus.
2. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the industrial switch in the pump station adopts a 100M interactive industrial Ethernet switch.
3. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the CPU module adopts a controlLogix5000 module type programmable controller of Rockwell, and pump station equipment such as a high-voltage power supply loop, a booster pump motor, a water inlet/outlet valve, an electromagnetic valve and a dosing system are monitored in real time through programming.
4. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the model adopted by the ControlNet module is ControlLogix 1756-CNBR.
5. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the model adopted by the redundancy module is ControlLogix 1757-SRM.
6. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the serial port module adopts an MVI56-GSC serial port module.
7. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the upper computer adopts an industrial control computer provided with a Microsoft Windows XP operating system and Siemens WinCC HMI software.
8. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the network server is provided with WinCC HMI software, a Web Navigator server side and IIS software.
9. The automatic monitoring system of the booster pump station based on the PLC and the Internet as claimed in claim 1, wherein: the network video server adopts an embedded network video server D-TEG.
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| CNU2009200665495U CN201354933Y (en) | 2009-01-06 | 2009-01-06 | Automatic monitoring system of booster pump station based on PLC and Internet |
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| CNU2009200665495U CN201354933Y (en) | 2009-01-06 | 2009-01-06 | Automatic monitoring system of booster pump station based on PLC and Internet |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102455692A (en) * | 2010-10-27 | 2012-05-16 | 镇江市亿华***集成有限公司 | Monitoring and alarm system for ship |
| CN102565526A (en) * | 2011-12-15 | 2012-07-11 | 南车株洲电机有限公司 | System for detecting test power of high voltage motor |
| CN102736571A (en) * | 2011-04-13 | 2012-10-17 | 上海板机电气制造有限公司 | Continuous press machine man-machine interface data interaction method based on IAS and system thereof |
| CN103744368A (en) * | 2013-12-20 | 2014-04-23 | 国家电网公司 | Alarm system for flooded workshop of hydropower station |
| CN103792890A (en) * | 2012-10-29 | 2014-05-14 | 天龙科技炉业(无锡)有限公司 | Centralized control technology of multi-set heat treatment devices |
| CN105573243A (en) * | 2016-03-18 | 2016-05-11 | 上海电机学院 | Pump station monitoring system based on PLC |
| CN107505919A (en) * | 2017-07-25 | 2017-12-22 | 广州广重分离机械有限公司 | A kind of centrifuge network control system |
| CN107807629A (en) * | 2017-11-08 | 2018-03-16 | 江苏驷博电气有限公司 | The recognition methods of failure universal logic module in programmable control system |
| CN108427387A (en) * | 2018-04-09 | 2018-08-21 | 南京理工大学 | Plant gas based on KingView handles SCADA monitoring system and methods |
| CN110098994A (en) * | 2019-05-08 | 2019-08-06 | 江苏泰源环保科技股份有限公司 | A kind of long-distance communicating method for data dispatch |
| WO2019148951A1 (en) * | 2018-02-05 | 2019-08-08 | 合肥中科离子医学技术装备有限公司 | Logical structure and implementation method used for safety interlock of proton therapy equipment |
| CN110147071A (en) * | 2019-05-14 | 2019-08-20 | 中国建材国际工程集团有限公司 | Distributed type assemblies framework monitoring system and its building method based on WinCC |
| CN110221763A (en) * | 2019-05-10 | 2019-09-10 | 广东奥瑞特新能源设备科技有限公司 | A kind of host computer remote control method and system |
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2009
- 2009-01-06 CN CNU2009200665495U patent/CN201354933Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455692A (en) * | 2010-10-27 | 2012-05-16 | 镇江市亿华***集成有限公司 | Monitoring and alarm system for ship |
| CN102736571A (en) * | 2011-04-13 | 2012-10-17 | 上海板机电气制造有限公司 | Continuous press machine man-machine interface data interaction method based on IAS and system thereof |
| CN102736571B (en) * | 2011-04-13 | 2015-06-17 | 上海板机电气制造有限公司 | Continuous press machine man-machine interface data interaction method based on IAS and system thereof |
| CN102565526A (en) * | 2011-12-15 | 2012-07-11 | 南车株洲电机有限公司 | System for detecting test power of high voltage motor |
| CN103792890A (en) * | 2012-10-29 | 2014-05-14 | 天龙科技炉业(无锡)有限公司 | Centralized control technology of multi-set heat treatment devices |
| CN103744368A (en) * | 2013-12-20 | 2014-04-23 | 国家电网公司 | Alarm system for flooded workshop of hydropower station |
| CN105573243A (en) * | 2016-03-18 | 2016-05-11 | 上海电机学院 | Pump station monitoring system based on PLC |
| CN107505919A (en) * | 2017-07-25 | 2017-12-22 | 广州广重分离机械有限公司 | A kind of centrifuge network control system |
| CN107807629A (en) * | 2017-11-08 | 2018-03-16 | 江苏驷博电气有限公司 | The recognition methods of failure universal logic module in programmable control system |
| WO2019148951A1 (en) * | 2018-02-05 | 2019-08-08 | 合肥中科离子医学技术装备有限公司 | Logical structure and implementation method used for safety interlock of proton therapy equipment |
| CN108427387A (en) * | 2018-04-09 | 2018-08-21 | 南京理工大学 | Plant gas based on KingView handles SCADA monitoring system and methods |
| CN110098994A (en) * | 2019-05-08 | 2019-08-06 | 江苏泰源环保科技股份有限公司 | A kind of long-distance communicating method for data dispatch |
| CN110221763A (en) * | 2019-05-10 | 2019-09-10 | 广东奥瑞特新能源设备科技有限公司 | A kind of host computer remote control method and system |
| CN110147071A (en) * | 2019-05-14 | 2019-08-20 | 中国建材国际工程集团有限公司 | Distributed type assemblies framework monitoring system and its building method based on WinCC |
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