supervisory control and data acquisition

... a stand-alone data acquisition and control unit, generally microprocessor based, which monitors and controls equipment at some remote location from a central station Its primary task is to control ... Chapter Data Acquisition Concepts Major System Components A typical data acquisition system consists of a host computer, operating software program, data acquisition hardware, field wiring and control ... Download control and data acquisition programs to the RTU Operation of the Communications Link • • • For a master slave arrangement, poll each RTU for data and write to each RTU Log alarms and events...

Ngày tải lên: 15/05/2014, 11:03

Ngày tải lên: 10/08/2016, 21:29

... presentation and handling philosophy The definition of historical data storage (i.e trending and archiving) RP 30-4 INSTRUMENTATION AND CONTROL CONTROL AND DATA ACQUISITION SYSTEMS SYSTEM DESIGN AND CONFIGURATION ... INSTRUMENTATION AND CONTROL CONTROL AND DATA ACQUISITION SYSTEMS SYSTEM DESIGN AND CONFIGURATION GUIDELINES PAGE ii 5.7 Controller Configuration Guidelines 78 5.8 Batch and Sequence Control ... for selection and use of Control and Data Acquisition Systems for the control and monitoring of production and process plant, storage facilities, pipelines and other installations handling flammable...

Ngày tải lên: 18/03/2017, 23:08

... Create Maximum Optimization and Efficiency for Your Measurement and Automation Applications Introduction to NI LabVIEW and Fundamentals in Data Acquisition with NI-DAQ Pham Quoc Hung ... Modular Measurement and Control Hardware Highly Integrated Systems Platforms Productive Software Development Tools Used By Engineers and Scientists for Test, Design, and Control Empowering Users ... through code 32 Wires and Data Types • Transfer data between block diagram objects through wires • Wires are different colors, styles, and thicknesses, depending on their data types • A broken...

Ngày tải lên: 27/06/2014, 10:20

... ĐIỆN Kết Luận Giám Sát từ xa (Supervisory) Có Thể Đối Tượng Điều Khiển Điêu khiển từ xa (Control) Và thu thâp liệu từ xa (And Data Acquicision) Supervisory Control And Data Acquisision ĐẠI HỌC CÔNG ... enables a user to collect data from one or more distant facilities and/ or send limited control instructions to those facilities.” SCADA: Supervisory Control and Data Acquisition Tác giả Stuart ... NGHIỆP TP.HCM KHOA CÔNG NGHỆ ĐIỆN Chương 1: Ciới Thiệu Về SCADA 1.1 Giới Thiệu SCADA (Supervisory Control And Data Acquisition) Hệ thống giám sát điều khiển thu thập liệu dựa tảng máy tính phát triển...

Ngày tải lên: 23/03/2014, 07:20

... Data Acquisition for Instrumentation and Control Systems Elsevier 2003 407 p David Bailey, Edwin Wright Practical SCADA for Industry Elsevier 2003 288 p Mở đầu Supervisory Control And Data Acquisition ... structure of hierarchical control systems – electric systems SCADA GSM – water supply, gas, electric systems Data acquisition devices & networking of data acquisition devices Data acquisition cards & ... Control, PLC, Automatic Control Description of the Discipline The course provides theoretical reductions about possibilities, structures, technical features and trend of Supervisory Control And...

Ngày tải lên: 29/06/2014, 01:20

... serial transmission modes ASCII Mode  Data system ASCII character, ‘0’~’9’,’A’~’F’  Bits per data unit Start Bit Data Bits Parity Bit (Even/Odd) Start Bit Data Bits Stop Bit  Stop Bit Error Check ... Longitudinal Redundancy Check (LRC) RTU Mode  Data system 8-bit Binary, 00~FF  Bits per data unit Start Bit Data Bits Parity Bit (Even/Odd) Start Bit Data Bits Stop Bit  Error Check Field Cyclical ... command protocol Internet Internet Default Firmware Modbus/TCP Slave Device Basic application #2 Modbus/TCP Clients (Masters) Serial Device Clients (Masters) Modbus/TCP command protocol Command...

Ngày tải lên: 29/06/2014, 01:20

Ngày tải lên: 29/06/2014, 01:20

... thu thập liệu & điều khiển máy tính (Evolution) Máy tính cơng nghiệp (IPC) Supervisory Control & Data Acquisition Data Acquisition Cards & Accessories Sự cần thiết DAQ Cards Hầu hết thơng số q ... PLC structure) RS232/RS485 PLC (RS232/RS485) PLC (View) PLC (View) PLC (View) Inline controllers Remote field controller for Ethernet PLC (View) A powerful combination of PC platform, PLC, without ... TCP master PLC (DAQ Task) PLC (DAQ Task Comm Task) RAM PLC (DAQ Task Comm Task) RAM PLC (Logic Control) Các cấu trúc hệ thống thu thập liệu & điều khiển máy tính (Evolution) Các cấu trúc hệ thống...

Ngày tải lên: 08/10/2016, 12:48

... DAQ Networking Data Acquisition and Control Cards Master boards Remote I/O Modules Converter I/O Expansion Board Embedded Controllers Compact Embedded Controller Communication Controller Feature ... Self-Tuner RS-485 type PLC Data bit: 12 bits 38400 bps RS-485 type PLC Data bit: 12 bits 9600 bps Variant Baud Rate Variant Data Format Auto-Change Direction Remote modules Data bit: 10 bits can be ... RS-485 PLC (IP-n) #01 #FF Command Protocol of Modules Use ASCII Command Use Asynchronous Protocols     Start Bit Data Bits Non Parity Stop Bit Typical Command Format      Leading Character...

Ngày tải lên: 08/10/2016, 12:48

... Recipe data downloads • Production data uploads • Application programming and management  Level 1: Control Host Level Level • Peer to peer data • HMI displays  Level 0.5: I/O • I/O racks and blocks ... and a common transmission medium Why you need a network?  Control the flow of information • security, accessibility, data control  Centralize resources • save cost on local work stations and ... Session Session Transport Transport Network Network Datalink Layer Data Link Layer Datalink Layer Physical Medium Physical Medium Physical Medium Data Link Layer Physical Medium Network Layer Network...

Ngày tải lên: 08/10/2016, 12:49

Ngày tải lên: 29/06/2014, 11:20

... different in a second language (Resnik and Yarowsky, 1997; Diab and Resnik, 2002; Ng, Wang, and Chan, 2003; Chan and Ng, 2005a) In (Ng, Wang, and Chan, 2003; Chan and Ng, 2005a), English-Chinese parallel ... relations, semantic class information, and subjectivity information (Yarowsky, 1994; Ng and Lee, 1996; Ng, 1997a; Lee and Ng, 2002; Dang and Palmer, 2005; Wiebe and Mihalcea, 2006) Generally, a combination ... Training Data from Parallel Corpora To tackle the bottleneck of lack of sense-annotated training data of WSD, in (Zhong and Ng, 2009), we extended the work of Ng et al.(2003) and Chan and Ng (2005a)...

Ngày tải lên: 09/09/2015, 10:06

... single-neuron (ASN) controller, adaptive IMC controller, and auto-tuning PID controller ASN controller uses a single neuron to mimic the traditional PID controller The ASN controller can control the ... model based controller design In contrast, JITL has no standard learning phase It merely gathers the data and stores them in the database and the computation is not performed until a query data arrives ... Standard Learning Learning phase Modeling Tools Query Data Query Data Database Local Model Model Relevant Data- set Database Answer Answer Local model is discarded after answer is obtained Database...

Ngày tải lên: 30/09/2015, 05:58

Ngày tải lên: 01/06/2016, 09:56

... Environment • Subject = Customer • Data Warehouse Biến thời gian • Time • Data • 01/97 Data for January • • 02/97 Data for February • • 03/97 Data for March • • Data • Warehouse Ổn Định • Là lưu ... quan trong qui trình KDD Pattern Evaluation Data mining Task relevant data Data warehouse Data cleaning Knowledge Data integration selection Mục đích KTDL Data Mining Descriptive Predictive Classification ... Traditional Database • Data ware house • • • • • • • • Tích hợp Hiện hành – lịch sử Hướng chủ thể Bất biến Khơng chuẩn hóa Rõ ràng Tổng qt / chi tiết Người dùng : quản lý • Traditional Database...

Ngày tải lên: 18/01/2013, 16:15

... website to control remote devices So we can control and collect remote data easily and use this data every time, everywhere 24 V RESULT & DISCUSS 5.1 Some image of Data management and processing ... some PC to connect to remote PC and send device control command To that, we open a chat window from YM and send a message which contains standard control commands (ex: D01: ON#, Reload# ) to ... communication between the controller and the computer is important The purpose is to transmit and receive command strings from PC to microcontroller or from microcontroller to microcontroller We use...

Ngày tải lên: 25/04/2013, 11:25

... voltage-balancing control of eight floating dc capacitors per leg in Fig can be divided into 1) averaging control, and 2) balancing control Voltage command of each arm: (a) Positive arm, and (b) Negative ... voltage control: (a) Averaging control, and (b) Balancing control The circulating current along the u-phase dc loop, iZu can be defined as iu iu = iNu + 2 (iPu + iNu ) (2) Note that iPu , iNu , iu and ... (6.4%) and 50-Hz base (b) C G U  E Proportional gain of averaging control Integral gain of averaging control Proportional gain of current control Integral gain of current control...

Ngày tải lên: 15/10/2013, 16:24

Ngày tải lên: 15/10/2013, 16:37

... DATA ACQUISITION PURPOSE The objectives of this laboratory are: To examine signal sampling, aliasing and signal reconstruction To implement a time ... Sampling using Sample and Hold The input signal looks like the one shown in figure below Figure 7a input of the sampling using sample and hold method Figure 7a Output of the Sample and hold circuit ... not classified as data acquisition, ” we shall make use of TDM modules at this time Two sine waves were prepared to be multiplexed by setting the two VCO’s in open loop to kHz and kHz Connect the...

Ngày tải lên: 23/10/2013, 15:15