System Overview

    With computers and the development of communication technology, CPU interface and communication system upgrades, and formed a DLCS-3000 distributed control system product line. DLCS-3000 can pose a variety of independent control devices, distributed control systems (DCS), supervisory control and data acquisition system (SCADA), the industrial production process real-time data acquisition, process control, sequential control, senior control, alarm detection, surveillance, operations, the data records, statistics, display, printing, etc. processing.

    This system has 50 MW, 100 MW and 125 MW, 200 MW and 300 MW Unit widely used. With the current domestic imports has been compared to the DCS system, functions fairly, and man-machine interface and configuration on imports over the DCS system. In addition, the system has been in the metallurgical, petrochemical, paper, construction materials and other industrial process control projects has been applied, but also for electricity, water, oil, buildings and the scheduling of remote control.

DLCS-3000 distributed control system features

DLCS-3000 Series is the biggest characteristic of the system of open, hardware, software and communications are adopting international standards or the mainstream of industrial products, and constitute an open industrial control systems.

Hardware----- Hardware computer hardware to follow the development trend. Man-machine interface (MMI), the use of standard industrial PCs, distributed processing unit DPU standard industrial PC bus architecture.

Software ----- Windows NT system software, as well as Windows NT-based real-time multi-tasking operating system RMX-X. Convenient intuitive with IEC-1131-3 DPU graphics configuration software, graphics, reporting, control, record statistics software generation tool.

Shows----- Show high-resolution, resolution 1280 x 1024 x 1200 or 1600. The window display and 3D display screen.

Integration-----Ethernet and other information connected to the network, from the industrial production process control, measurement, production management information integration.

Sinification-----All the effort that supports both Chinese and English interface shows.

Network-----Real-time network data network (Network A, B network) bus network redundancy, real-time transmission of data to support a 250-node network. Information Data Network (C Network) database file and print sharing, non-delivery systems, real-time file information.

Capacity-----Distributed real-time database of Internet nodes transparent, global data capacity of 64,000 points analog, 64000 Switches volume.

Real-time-----Within seconds an update of all the overall situation, a transfer within seconds of any graphics, the fastest 50ms cycle control.

Flexible----In addition to access the company's I / O modules, through standard communication protocols (such as PSTN, Modbus, SC1801), but also access to other commonly used I / O system, PLC, factory-level MIS and other control systems.

Development-----The hardware and software to follow the international mainstream industrial products developed simultaneously.

Functional-----Set process control, sequential control, monitor and record data in a single package.

Reliability-----The system reliability design, using redundancy, fault-tolerant technology, dual power supply, guarantee system ≥ 150,000 hours MTBF.

Spare parts-----Standardization and serialization, spare parts types greatly reduced.

DLCS-3000 distributed control system is an open industrial control systems

●Hardware：System Operator Station, the GM engineer industrial PCs.

●Software：Windows common software platform.

●Independent software and hardware development, but not so for the hardware used to update the software failure.

●The open Ethernet protocol communications structure, using IEEE 802.3, support enterprise decision management, and other communications networks, PLC and field equipment.

●DLCS-3000 distributed control system has been developed to the level units throughout the plant-level monitoring and management system SIS, SIS and DCS integration
By DLCS-3000 component of the DCS control system has been widely used in electricity, iron and steel, petrochemical, chemical, paper and distribution network across the real-time production process control layer. To raise the level of factory automation control and can meet high-level production and management needs, the DCS system from the original unit development for the whole plant level, to be able to plant for the production process optimization analysis, energy-loss analysis, the economy, online monitoring, fault diagnosis, automatic load allocation and operation guidance in order to achieve full control of the factory integration.

DLCS-3000 network into the data network with real-time information and data network two parts adopt Ethernet.

DLCS-3000 System Network

DLCS-3000 real-time data connectivity system distributed processing unit DPU, the loader operator station, the engineer ENG, historical data points HSU different nodes. High-speed transmission of real-time data, configuration information and controls.

Real-time data network 1:1 redundancy. 1:1 redundant communication interface cards, designed a transmission error detection technology, a network fault will affect communication, and enhanced system security and reliability.

●Communication protocol IEEE802.3 broadcast.

●Communications 10/100 Mbps rate.

●Passive communication medium coaxial cable, twisted pair or fiber.

●support 250 nodes.

●The distance between nodes -- 100 meters --- 40 km.


●The overall real-time database capacity : 64,000 point simulation, 64,000 points Switches

Information Data Network

DLCS-3000 data network information, network configuration alone, linking loader operator station, the engineer ENG, historical data points HSU peers. MMI to provide quick and efficient transmission of information access, support for the operating system's file and print sharing. Data Netcom off with a top-level routers or external network Plant MIS network connectivity, as other network servers.

●communications protocols : TCP / IP.

●communications rate : 10/100 Mbps.


I / O Network

Distributed processing unit DPU I / O station, the I / O network and connected DPU, I / O network of high-speed serial bus BITBUS real-time data transmission and control of operating instructions, the software error-correction and increase the reliability of the system.

●1:1 redundant Ethernet Bitbus or industrial control networks

●command / response mode, the main structure

●communications rate 375K ~ 2Mbps, RS-485 standard

●Communication Interface photoelectric isolation

●communications medium, shielded twisted-pair cables

●up to 250 nodes

●Distributed Measurement and Control, the largest distribution from 1.2 km

●Support Remote I / 0

Remote I / O network

DLCS-3000 Remote I / O station of the same series I / O card pieces, assigned with IP56 degree of protection Cabinet, composed of remote control and the nearest counter layout at the scene, composed of remote I / O systems, environmental temperature -20 ° C to 60 ° C, remote I / O Station and redundant DPU connection using TCP / IP protocol structure of Ethernet Remote I / O network, communication speed 10Mbps.

DLCS-3000 distributed control system hardware system

Distributed Processing Unit DPU

Distributed processing unit is DLCS DPU-3000 process control station, storage systems, information and process control strategies and data through real-time data redundancy and MMI network nodes and other DPU connected through I / O and network I / O points connecting nodes, remote I / O Network and remote I / O station connectivity, providing a two-way information exchange, the realization of advanced control strategies, complete data acquisition, simulation regulation, sequence control, a high level of control, expert system and other user-specific requirements.

The expansion DPU
Depending on the application, DLCS-3000 can take different I / O system through standard bus (ISA and PCI) and the serial port (network, RS-232, RS-485, PROFIBUS, Hart), the use of different I / O drivers, can connect different manufacturers of I / O cards and pieces of Field Intelligent Instrumentation, and other hardware and software without any changes. DLCS-3000 has applied to a range of control and information processing capacity of occasions.

DLCS-3000 to achieve all or part of DPU function of a computer or software package is defined as virtual DPU. With non-standard I / O interface to the computer, with dedicated external control computer system interface are defined as virtual DPU. DLCS-3000 in support of MMI station virtual DPU mapping function, communication interface to the system-control equipment or Intelligent Instrumentation at the scene on the map to the logic of a DPU nodes, as in the operation of the system, like other DPU, the system can adapt to various control applications.
MMI MMI

DLCS-3000 man-machine interface points to the use of high-performance Windows NT/2000 platform for the PC workstation, users can direct and real-time access to the manufacturing process and the operation data, the safe and efficient conduct of the entire process control and management. Man-machine interface points Operator Station, engineers stations, historical data stations, stations are calculated using the same hardware platform, download and run the company's various development process control and information management software to achieve the production process control of the entire process, a graphical interface modular package, so DLCS - 3000 operation more convenient, better performance.

Loader Operator Station

Loader Operator Station open structure, use highly reliable industrial PC, and with CRT monitors, printers, touch-button mouse / trackball component integrity of the operator station.

Loader feature

●The high-performance servers, high-resolution image

●Windows window displays, three-dimensional images showed space

●Graphic response speed <1s

●Dynamic Graphics Information refresh rates ≤ 1s

●variety of information directly call

●screen soft hand drill, complete direct control of the process

●high-resolution real-time / historical trend

●enhanced alarm processing, display and language function

●online retrieval / display / print historical data

●online graphic statement, group, and stick chart shows the definition

●high-resolution color graphics copy

●Multi-level security restrictions

●Can run Windows-compatible third-party software VB and Active X control

●Multi-level system since the diagnosis. Diagnosis levels : data communication nodes, I / O card case, the Channel

●All finished, the support of the Chinese and English Display Interface

Engineer ENG

DLCS-3000 engineer with the same operator station configuration can be used as a fully functional Operator Station. Engineer additional software engineers tools to complete the function of the system configuration, configuration data download, modify and maintenance.

Engineers offers database tools, the graphic flow chart of production tools, graphic configuration of DPU debugging tools that enable users to engineer visual graphics intervention / configuration / debug control process.

I / O subsystem

I / O stations

I / O points from the chassis, I / O bus boards, I / O station communications card, I / O card component. I / O points are designed in accordance with international standards, to be installed on 14 pieces of card. Among them, I / O communications station two cards, I / O cards pieces 12. I / O cards with redundant communications DPU communication, I / O card with the corresponding plate connecting port, I / O station site applications under different flexible configuration, comprising turbine valve control station, control station and various OPC functional I / O points.

I / O station with the installation of the DPU DPU within the Cabinet. DPU counters and the I / O port with the use of counters.

DLCS-3000 I / O card is the case with the CPU Intelligent input / output card pieces, input / output signal conversion and processing the card pieces to be completed. The local and remote I / O systems.

Card pieces of the use of standardized design, the pieces of card types : analog input card AI, analog output cards AO, digital input cards DI switching output cards DO, pulse input card PI, LC circuit card control, servo control card LC-S, MCP speed measurement card, Servo Valve Control Card VCC, turbine speed control and protect OPC, Turbine logic protect LPC, electrical control standby power control cards and the same period BZT SYN control card, I / O communication cards BC / BCnet.

DLCS-3000 I / O card pieces assembled from imported using SMT technology, I / O card pieces of the electromagnetic compatibility testing by international authoritative institutions ITS companies CE-EMC testing and certification to obtain a certificate.

I / O Ports counters

I / O Ports DPU counters with matching cabinets, install the I / O card terminal adapter pieces of the plate. Scene I / O signal into the I / O port terminal drawer counterparts, each with a terminal plate with the DPU prefabricated cable boxes with the corresponding I / O card connecting pieces.

For small systems, terminal boards can be installed in DPU within the Cabinet. For remote I / O systems, remote I / O stations and terminals installed at the plate drawer remote control.

Power System

DLCS-3000 power system placed in the upper rack DPU, 5V, 24V power supplies, 1:1 redundancy configuration of I / O cards and pieces transmitter site provides reliable power supply. I / O cards using pieces of the isolation, the scene with the power control system totally isolated.

DLCS-3000 distributed control system software

DLCS-3000 system software into the man-machine interface software MMI station, the station DPU process control software and GTW three most software, network and I / O network communications software integration and exchange of data and management control information and industrial production process is when control, surveillance and operation.

DLCS-3000 system software design ideas are : ease of use, ease of debugging, easy to understand design to leave room for further development, allow users to extend the functionality of space. The system software is a set of perfect adaptation process control software system, which provides users optimize process control and management capabilities, can generate data acquisition, control loops, sequence control and optimize the control strategy, but also from simple to complex, from the conventional optimization of the various control algorithms .

Features :

●software portability, connectivity and interoperability

●The overall database

●friendly interface

●Configuration SAMA map plan consistent with the graphical configuration


●open development environment

1. Operator Station software

MMI control software

●Real-time mesh instructions state

●settings Item data path for the configuration data.

●MMI show, and node-level MMI show that the current on-line real-time with the highest level of MMI and node-level.

●Network Management, the highest level of MMI with the network management functions, proofreading clock Internet nodes.


●allow users to launch other MMI software and operating risks, and data viewing software, and stand-level engineers with the MMI operating DPU configuration, graphics generation of configuration software.


Self Test

●Redundancy of the online real-time data nodes running condition monitoring.

●System decentralized processing unit (DPU) for the I / O points condition monitoring.


●The I / O station within the input-output card pieces in the channel status monitoring.

Graphics

Graphics software is the operator station's main software, human-computer interaction is in interface, in a system, depending on the system configuration size of a number of operating stations. Operator Station operators to provide CRT-based control operations, graphical display and alarm monitoring the content

●simulation program and the Director General Maung show

●The results showed that

●The process of state

●Special Data Recorder

●Historical data show

●trend status display

Single-point show

Single point of monitoring the overall situation shows a database measuring real-time data changes, changes can be measured points - the state of alarm, real-time value.

Database List

XList list database used to monitor global database of real-time data measuring point change is simple and intuitive user interface, function and the majority have set up the Picture toolbar with Windows applications similar. Press the icon toolbar button, without the menu or dialog box to search.

Database software package to provide better means of observation.

●According to the measuring point static characteristics of the output filter : measuring point type, servers, nodes, measuring point Group, a measurement.

●According to the point -- the dynamic characteristics of the output filter : Quality pixel, scanning point resection, the police, the police did not confirm points.

●command line parameters specified filter after the commencement of proceedings directly reflect the objectives of measuring points.

●identify a single point measurement.

●Measuring output suggests selecting projects.

●Print output, support for local printing and network printing, print format "WYSIWYG."

XList also with the other system modules to work together to facilitate the testing and control. Such as :

●Calling a single point -- Single-point test set changes and real-time data.

●copy of the designated measuring point system to other modules, such as Trend trend.

XList is simple and intuitive user interface, most of the functions and settings are reflected in the toolbar stress. Users need to menu or dialog box to find the necessary functions.


Alarm Summary

Alarm list database used to monitor the overall situation alarming measuring point real-time data changes, the use of different font colors intuitively marking the measuring point of the alarm level of priority.

Alarm List provided the perfect instruments for observation and picture displayed on the toolbar, filtration column, title bar, measuring point view, the status line. Windows commonly used method of measuring points.

●According to the measuring point static characteristics of the output filter, filtration column shows : measuring point type, servers, nodes, measuring point group, alarm priority.

●command line parameters specified filter after the commencement of proceedings directly reflect the objectives of measuring points.

●Measuring output suggests selecting projects.

●View measuring point, according to the police occurred measuring point from the old to the new order, warning retain numerical changes with the state, with conditions filter into the measuring point Alarm viewing and measuring point at the top of View.


●Print output

●Alarm pop-up function, the operator promptly reminded the state.

●The status bar shows the police a list of all measuring points of statistical data, including the total number of measuring points, the total number of measuring points in the report, the pixel that reverted to the number of points.

Alarm viewing software is simple and intuitive user interface, the majority of functions and settings are reflected in the screen, icons to be shown directly with the mouse / trackball hit by the corresponding icon, browse the operation, a single point measurement View. Debugging and control system operations, printing operation, other auxiliary operations without the menu or dialog box to search.

●measuring point filtration, filtration command line

●The overall database scanning cyclical high of measuring points View can also stop scan showed only static read past the measuring point.

●measuring point output selecting projects

●A line of migration and the view turn the page

●View individual records

●Online confirmed a single point measurement Alarm

●Online confirmed whole page report measuring points

●Print and Print Preview, with the support of the local network print Print, Print financing ... WYSIWYG format.

●Tagging state measuring point to the different measuring points OK fonts and background colors, said police priority and to recognize not confirmed.

Alarm history

Alarm history of the software used to show real-time alarm and alarm history cohort paper records, use different font colors signs record type.

Alarm history with a comprehensive observation means, through pictures on the toolbar, filtration column, title bar, measuring point View, status bar to the common Windows click icon, observation concerns the data record.

●Records of the sources Alarm

●Alarm types of records

●Alarm record static characteristics : nodes, measuring point group, the lowest police priority

●View individual records

●Print output

Alarm history is simple and intuitive user interface, function and the majority of the pictures were set up on the toolbar, icons to be shown directly with the mouse / trackball hit by the corresponding icon, choose real-time queue / View historical documents record types, individual records, print preview, the fight printed output, and other auxiliary operations, the need for menu or dialog box to search.

●Source Selection police records, real-time queue and historical documents, real-time queue can remember 1000 record.

●Analogue switch point and point the police records, quality pixel record, the circular records, operational records, operation answered with different types of records.

●Police records show that the alarm time, node, performance.

●Police records show that the server, node, measuring point group priority.

●Single-point record

●Print and Print Preview to support local printing and network printing, print WYSIWYG format.

●Set cycle to real-time scanning queue, setting a new record of view, can also stop scanning, passive reader to the past records.

●Marking records state, in a different color quality, alarm levels, circular, operation answered.

Real-time trends and historical trends

Real-time trends and historical trends based on the graphic display of real-time measurement points trends and the trend of history.

●Trends point configuration

●Real-time trends show trends point to the real-time values

●Historical trends show historical collection of historical records point value

●The graphic and text display data

●Print output

Statements Print

Print statements procedures to provide users with options and choices statements format printing time user interface.

●Cycle-type statements : Select Print statements and statements page name the starting time.

●Trigger-type statements, recall records, SOE records, choose Print content of the starting time and ending time.

Trigger conditions

The conditions triggered when the software is used to meet the conditions set forth in delivering the appropriate operating picture, or pictures regularly banging.

●Analog trigger : low, low limit and high limit, triggering high launch limited graphics.

2．Software engineer-advanced practical graphics configuration software

DLCS-3000 to provide a unified software platform for distributed processing, through different definition or configuration, a different functional form of information control system. XDPS configuration of the main points of the overall configuration directory and independent node configuration.

Software engineers belong to MMI, engineers MMI station belonging to a stop. Installation of the software engineers for engineers MMI station stops.

Engineer DCS software is mainly engineers and maintenance management system software tools, this is a practical advanced graphics configuration software. Including network configuration and overall points directory configuration, DPU configuration process MMI map generation, report generation, historical data and log records of such configuration. It can be said that the software engineers tectonic system is an indispensable tool for application.

The whole point configuration directory

Overall points directory is distributed database systems. It is the realization of system nodes to share data base. Overall points directory is a list of text files directly using the word processor configuration. It defines a node in the overall point the definition of information, including a measurement, description, owned DPU, a district information units.

During DPU configuration or operation of MMI software and overall points directory must pre-configuration, and the configuration of the DPU, MMI aspects of the need to point directory exists. But the MMI nodes to be installed on the same point catalog.

DPU systems will be required to share the points to the Internet function block configuration form and point Contents Index, the significance of real-time Internet broadcasting, in accordance with MMI point Contents receive all DPU broadcasting overall, while DPU point definition of Contents Index as the base, with the following network function block selected to receive the overall point.

DPU graphics configuration software

DPU online configuration software to complete the DPU or VDPU online configuration, debugging, configuration document preservation task. Software configuration of a document off-line configuration, and the preservation of the disk. Disk-readable configuration file downloading to the DPU. DPU can upload the configuration and then saved to disk. The graphical configuration interface directly to the DPU changes, operation, testing, observation trend curve. The configuration interface with IEC-1131-3 graphical function block configuration standards.

As online configuration software, it must have been a bit directory basis. DPU and configuration software only for a certain definition of a DPU of I / O and algorithms that control strategy. DPU in the definition of the DPU and other relations, we must rely on point unified directory next to the logo outlets. Therefore, in an online configuration DPU, must generate good for the overall points list.

●IEC-1131-3 features graphics language standards.

●Set changes offline and online integrated debugging.

●Every DPU definable 999 pages, each page can contain 999 function blocks. Pages of the implementation cycle for the 10s ~ 50ms adjustable.

●Print and display using WYSIWYG, form similar to SAMA map. Users may not painting SAMA, the direct use of the configuration software configuration and then Print Inventory filing.

●All of the configuration, including the Alliance, such as the Notes may directly from the DPU or disk document resume.

●Off-line system can be generated from the point and the overall control strategy, large-scale systems to facilitate the implementation of the division.

●The single PC out virtual DPU, to conduct a comprehensive configuration true simulation.

●With almost 100 predefined function blocks, users can customize the new functional block.

●Add the functional blocks and wiring using drag-and-drop form, a very simple intuitive.

●Online testing, function block output value-foot mark, the switch with a red line and said a Green and 0.

●Debugging may prohibit or open pages and the scanning function blocks, function block output of home values, local debugging.

●Visual Debugger provides online convenience and the trend of operating functions.

●DPU or virtual DPU using the software configuration. The virtual DPU single controller can be used, SCADA, RTU other occasions. Therefore, its configuration extremely powerful.

DPU graphics configuration software configuration can be achieved online, off-line configuration and remote configuration, the configuration has already exceeded imports of DCS system.

Off-line configuration

The off-line configuration is targeted configuration file, a user has to amend the page and change the function block all the rights.

Online Configuration

MMI station-level low was yes : Seng, ENG, SOPU, trailing four. Trailing-only reading of the configuration only makeup. SOPU level with the revised configuration parameters of the function block competence. ENG has a right DPU, the operation and configuration of all the downloading, delete pages and increase function block the authority to amend the DPU, page and function block attributes. Seng ENG in on the basis of competence, and make up for a theatrical performance and remove theatrical makeup and costume file permissions can be conducted DPU software upgrades.

And with ENG Seng level, DPU can be downloaded online operation and configuration.

●DPU Attribute Editor

●The configuration page to add, delete and edit attributes p.

●The editorial page scaling, translation, a former Windows, such as panoramic transform.

●The increase in function block, delete and change parameters.

●Function block between the input and output connections.

●Function block and the selected line and editing.

●Online modifying and debugging.

●Eight different search function block attributes, the corresponding pages.

DPU graphics configuration software is based on TCP / IP, and can use the built-in NT RAS technology, will facilitate algorithm remote configuration and debug.

Graphics Software Generation

Graphics software is DLCS Generation-3000 flowchart tool configuration software.

Through graphics generation software, users can in a formation of three main types of graphics targets, static diagram object, object linking animation and special target. Static base map contains a variety of target segments, filling shape, text, bitmap and other major paintings; Animation includes linking the value or condition caused by the change of color, blinking, digital strings, filling color, animation describes displacement, including a mouse or keyboard commands issued touch connections ; special clients include similar to the control of the trends, X-Y curve, the police, special bitmap animation. These three categories of objects, but also the configuration into target groups, could also target groups for the archive documents, greatly facilitate the reuse of objects and copying and sharing, to accelerate the progress of works.

Graphics software is a generation of the Windows 32 operating software window, while several graphics editing, and graphics library management. Between the graphics and graphics, graphics library and between very convenient for the graphical object sharing.

Report Generation and reappearance

DLCS-3000 statements is based on MS Excel spreadsheet software above. Statements collection software will be required to collect the data and statistics kept by definition database (usually Access), statements by the software reproduction print statements.

DLCS-3000 statements is based on MS Excel spreadsheet software above. Statements collection software will be required to collect the data and statistics kept by definition database (usually Access), statements by the software reproduction print statements.

Because of statements generated in MS Excel is based on the above, the users can use all the features of Excel, intuitive easy to produce all type of statements, including lists, statistics, histogram, map editing, etc.. In addition, XDPS also provided in the presentation and read the data recorded VBA macros, make statements generated more convenient.

Reproduction statements and report generation software that integrates software, also based on MS Excel. Reproduction software provides an intuitive interface chosen by the user has generated the statements of the type and time, or print preview the various statements. Reproduction in XDPS software system also can be used as servers, the receiving station to operate from remote printing instructions, print out a designated statements.

Historical records software

The historical record is divided into historical data and alarm log and record-cycle and the trigger for two recorded statements, the two software systems can record all the data and events.

Historical data recording analog switch point and point the trend of history. Records point configuration and the cycle can be defined. All points up to the overall situation, the cycle down to 0.5 seconds. Records kept by the number of days of disk capacity, and the total number of integrated decision cycle. Usually, 2GB hard disk can store months of historical data.

Cycle and trigger statements are based on the definition of cycles or events have been met when the statements recorded in the database, the software reproduction can be transferred out. Statements, which can be real-time data on the statistical results.

SOE records and recollections included in the trigger statements. Recall records before and after the trigger for a period of time; SOE is a resolution of 1ms switch changes the ranking list, in order to analyze the system which was charged with first part of the fault.

Above all records constitute the historical record. Historical records stored in disk, up to a certain capacity (usually a few months later), manual or automatic backup to the backup disk or deleted.

DPU is DLCS-3000 automatic processing and control of the basic modules. DPU cycle from the I / O cards or online measuring points were imported through user configurable control operator, and then output the results to the I / O cards or pieces of the Internet. Control information to form a closed-loop cycle. In the meantime, DPU also receives from the operation of the operating instructions, to control to make adjustments. The DPU Control Strategy (algorithm) by the engineer pre-configuration, and can also be modified adjusted online. DLCS-3000 pairs DPU configuration tool uses a graphical interface that meets IEC-1131-3 standards, the DPU to facilitate the configuration and adjustment.

DPU software can be run on a Windows 32 environment, modular software. Using RMX-X multi-tasking real-time operating system, drivers monitor, keyboard, network, Bitbus communications, serial communications. It can carry a variety of I / O drivers, to drive the I / O hardware, including the following :

●RS-485 or Ethernet connections Bitbus the company's I / O Module Series for local and remote I / O.

●A number of RS-232 serial interface for connecting the company DEH-III I / O Module Series.

●ISA / PCI bus on the industrial I / O card pieces.

●RTU drive that connects DNP, CDT, SCHDI agreement RTU equipment.

●Profibus drive, which will connect the Profibus standard equipment.

●Hart drive, which will connect the Hart standard equipment.

●893 drive, which will connect the 893 standard equipment.

●Modbus drive, which will connect the Modbus standard equipment.

DPU Director and TCP / IP network connected to the Internet can be redundant or single network. The single-node XDPS system, we can no physical card, but the TCP / IP protocol must exist.

DPU software is running in a separate special distribution of industrial PC, including host card, network card, I / O card driver. Often host card with VGA display mouth and electronic (Disk ON Chip). Host card running on RMX-X real-time operating system.

DPU software also host the MMI WindowsNT/2000 stops running. This DPU often called virtual DPU or VDPU. VDPU performance characteristics identical with the DPU, with separate nodes, redundancy can be with or without the I / O drivers, they also used the DPU Configuration graphics configuration. The need to save hardware and the need for simulation of occasions, VDPU come in handy.

DLCS-3000 with the DPU software configurable features, in addition to access a variety of drives, its nodes, whether SOE function, a user name and password available under various application settings. User-level good not to limit the authority of the DPU operation and configuration, a security guard play goal.

MMI with the DPU on the tie, DPU software for offline or online upgrading, maintenance has become very convenient.

With the interface to other systems software (GTW)
With other systems interface software said Gateway software (or Gateway GTW). GTW system software is normally used with other instruments, PLC, DCS, etc. MIS data exchange. The system used in some special software, such as heat, load distribution, reactive power distribution, also known as GTW software.

The system provides a standard set of real-time database VC + + interface specification, in accordance with this standard, users can prepare various software applications, access to the real-time database XDPS. The near future, the system will also provide MS COM Based on the real-time data interface specifications, resulting in the establishment of special software GTW more convenient.

Currently, DLCS-3000 GTW the software can provide the following :

●Cascade General GTW software can be used RMIS, value-Station software and system of data exchange.

●DEH based on the RS232 interface and DCS software, including WDPF, Siemens systems.

●Modbus interface software can be used with a variety of connections, such as MAX-1000, I / A, Siemens systems.

●Support for OPC standards, data can be transmitted to the SIS database platforms, such as PI, Oracle, MS SQL, Sybase, etc..

●Ed Infi90 the interface software

●FTP interface software

●893 interface software

●Write papers MIS software interface

●Write the way MIS database interface software

●Multiple Data Logger software interface

●Power Meter Interface Software

●GM AGC communications interface software

●GPS satellite school clock interface software

Some of the equipment used DPU I / O drivers can also interface. However, I / O drivers and GTW is a distinction. GTW can only realize the value of measuring point information exchange; While I / O drivers can easily achieve configuration, alarm and control operator; However, GTW is a separate software program, as long as willing to write complex procedures can be completed many special functions. Usually some simple and require special interfaces or software used GTW manner.

High reliability design

----The smallest failure rate

●Mature technology application and verification measures

●The whole scene with electrical isolation

●Part of the function of an independent power supply

●Key components to lower the amount of use

-----The smallest consequences of failure

●1:1 redundant configuration

●Software and hardware functional autonomy

●Software and hardware decentralized structure

●Communications network redundancy

●Operator Station with engineer mutually redundant

-----The shortest time for repairs

●Easy to maintain the hardware structure

●Module type at least

●The standard hardware and software platform

●Online diagnosis and online maintenance capability

-----Perfect security protection measures

●Multi-level password protection

●Misoperation warning

●Functional classification atresia

●Power outages safe design

----Through CE-EMC certification testing of I / O Module

●The electromagnetic environment of tolerance compliance with the IEC61000-4

Sound quality assurance system

DLSC-3000 in full accordance with strict quality assurance system for the development, design, production, in accordance with ISO, IEC, IEEE, ISA, NEMA and other international standardization organizations of the norms and standards. The studio quality assurance system to follow the ISO-9001 standards and have passed the domestic and international certification.

-----Strict control of procurement, quality assurance and distribution

●All the system components, connectors are foreign direct imports and the use of internationally-renowned high-quality products.

●All the control mainframe computer directly from the manufacturer imports.

-----Wholesale strengthen inspection and strict screening of aging

●After parts of the high and low temperature impact of stringent screening, testing and production through the aging test.

●The entire mainframe computer components and all of the high and low temperature impact test 24 hours and 55 ℃ electrifying test.

-----System adjustment test machine, to ensure success for Win

●DCS system after the completion of assembly are connected simulator for the whole closed-loop testing conditions

Before leaving the factory for a long time electricity to test for three to six months to conduct a comprehensive test and aging.

The technical performance indicators

Precision

●Analog input signal big error : ≤ 0.05%

●Analog input signal small error : ≤ 0.1%

●Analog Output Error : not more than 0.2%

●Sequence of events (SOE) time resolution : <1ms

●Sequence of events (SOE) time resolution : <1ms

I / O stations (the I / O board between), not more than 0.25ms

I / O stations between <1 ms

Anti-jamming capabilities

●Die-channel interference common mode rejection ratio :> 120dB

●Die-channel differential mode interference suppression ratio :> 60db

●Input circuit dielectric strength 1000V

Network Performance

●I / O network communication rate : Bitbus375K to 2M bps, Ethernet 10Mbps.

●Network Communication System rate : 10M to 100M bps

Real-time

●Real-time data scanning cycle : Switch> 50ms; Analog 100ms

●Real-time data scanning cycle : Switch> 50ms; Analog 100ms

●Real-time images response time : <1s

Reliability measures

●Redundant power

●Redundant Network

●Distributed Redundant processing unit (DPU)

●Redundant I / O Module

●Charged replacement panels

●Die keeping (the system yet)

●System reliability evaluation

System average time between failures (MTBF) and availability :

System MTBF of not less than 150000h.

System availability rate of not less than 99.95%

Power Performance

●AC Power Supply : 220VAC ± 10%, 47 ~ 53HZ

●DC output : the scene 24V power supply module when the maximum load voltage drop is not more than 1% 5V system power supply module when the maximum load voltage drop is not more than 1%.

●Ripple factor : the scene in power modules not more than 1%, system power modules not more than 1%.

●Protection :

Over-current protection : load rated to achieve 105% ～150% protection

Overvoltage protection : nominal output voltage value of 140% ～170% protection

Capacity

●Overall real-time database capacity : 64,000 point simulation, 64,000 points Switches

●Distributed processing unit (DPU), the largest capacity

I / O points : 1,536 points

Control Loop : unlimited

Under the system load, system control cycle, control of the physical rack space capacity requirements, an I / O circuit control station and a few I / O points of the proposal :

-Pulse input, analog input / output points : ≤ 192

-Switch input / output points : ≤ 384

-Interrupted Switch (SOE) points : ≤ 384

●History database capacity : 16,000, a typical three months, depending on the longest drive.

●Quantitative real-time picture :> 500, depending on hard disk.

●Each picture dynamic set point number :> 512.

●The number of network nodes, total 250

Engineers Station (ENG) / Operator Station (MMI) : 40

Distributed processing unit (DPU) : 80

●Statements : Based on Excel, and quantity with no restrictions on capacity.

System load factor

A typical configuration of the following :

●Operator Station (MMI) <40%

●Distributed processing unit (DPU) <40%

●Network <20%

The scene right signal characteristics of the interface

●AI input impedance

10M-voltage signal Ω

Current signal 250 Ω

●AO maximum load (24V power supply)

4~20mA 1KΩ

0~10mA 2KΩ

●Dry contact DI

Inquiries voltage at 48V on-resistance of less than 10K Ω

Shutdown greater than 100K ohm resistor

When inquiries voltage 24V on-resistance of less than 5K Ω

Shutdown greater than 50K ohm resistor

●DO maximum load capacity

Resistive：250VAC 10A30VDC 10A

Sentimental：250VAC 4A30VDC 4A

●PI highest frequency 20KHZ

●I / O signal loops are additions overvoltage and overcurrent protection circuit to prevent the strings from signal lines into high voltage and high current internal system caused the damage.

8．XDPS input / output card data

Environmental conditions

●Temperature：-20℃～+60℃

●Transport, storage temperature：-40℃～+85℃

●Work Relative Humidity : 10% ~ 95% of dewing