DYGC-735DCS distributed process control system training platform

Release time：2024-06-06 17:21viewed：times

1. Overview
This tr*ning device consists of hardware and software. The hardware includes control cabinets, intelligent instruments, DCS control units and other units; the software includes database software, equipment configuration software, equipment programming software, industrial configuration software, and services. It consists of software packages and engineering mathematics software. Signal interface panel: The instrument signals and electrical
signals in the control object are transferred to the signal wiring board, which provides AI, AO, DO and other sensor detection and actuator control signal interfaces to facilitate wiring to form different control systems. Use safe plug-in wires to conduct different wiring between the experimental board and the signal board to complete various process control experiments. The system network is divided into three levels: monitoring network, system network and control network. The monitoring network layer realizes the interconnection between the engineering station, operator station, advanced computing station and system server. The system network layer realizes the interconnection between the on-site control station and the system server. , the control network layer realizes the communication between the on-site control station and the process. 2. Configuration and functions (1) Overall structure of the system 1. The system network architecture consists of three layers: management network (MNET), system network (SNET), and control network (CNET) from top to bottom. The management network is an optional network layer used to communicate with factory-level production management systems such as MES, third-party management software, etc., and can realize secure information release through the INTERNET to achieve advanced management and sharing of data. 2. The system network connects system nodes such as engineering stations, operator stations, historical stations and control stations, and supports P-TO-P (peer-to-peer network), C/S (client/server), P-TO-P and C /S (hybrid) three network structures, which can quickly build a high-speed redundant network with star, ring or bus topology, complying with IEEE802.3 and IEEE802.3u standards, 100/1000Mbps adaptive. 3. The control network is used to connect the m*n controller of the control station with each I/O module and intelligent equipment. It supports star and bus structures and complies with IEC61158 (national standard: JB/T10308.3-2001, European standard: EN50170) , ensuring real-time, stable and fast field-level communication. 4. The system network supports 20 users at the same time for real-time online monitoring of target objects. 5. Engineering station 1) is m*nly used for system management and configuration m*ntenance and modification. It has offline configuration test function; online download function; screen configuration and editing; function point configuration and definition function; control loop configuration function; alarm, trend chart and other definition and editing functions; communication definition and configuration function; device definition and configuration functions; database definition and configuration functions; report generation functions, etc. 2) The engineering station has networking capabilities and adopts a dual network card configuration. It can be connected to the entire factory management network through a switch. The engineering station can also serve as an operating station. 6. Operator station 1) The operator station provides a human-machine interface used by process operators, process engineers and instrument automatic control personnel. It has an industry-standard operator station dedicated keyboard. Its m*n functions are: simulation flow chart display; interactive features provide simulation routines Operation panel of panel-mounted instruments; monitoring and querying of real-time and historical trend curves; alarm monitoring list; parameter group monitoring; query of equipment logs, operation logs, SOE logs and full logs; accident review viewing; scheduled and instant printing of process reports ;User management;Voice alarm prompt. 2) The system operator station has operating permissions of different levels and different operating areas or data sets, and has sub-authorization, sub-regional display, query, alarm and control functions. 7. Control station 1) The control station can meet the function and speed requirements of process control of large chemical equipment, and has the functions of continuous process control, batch control and sequence control. 2) The m*n control unit of the control station has the function of IO BUS field bus master station; it has powerful control calculation function and can complete analog quantity feedback control and switch quantity sequence control. And can combine the above two to achieve more complex control functions, including the following configuration programming languages: FBD: Function Block Diagram; CFC: Continuous Function Chart; SFC: Sequential Function Chart; ST: Structured Text; IL: Instruction List ;LD: Ladder diagram. (2) System configuration and functions

serial number	name	Technical Parameters	quantity	Remark
1	K series m*n controller module	Input voltage: 21.6~26.4VDC hot-swappable: supported Module redundancy: master-slave hot standby redundancy, maximum redundant switching time 50ms CPU: industrial-grade PowerPC, 330MHz, 32-bit Memory: NOR FLASH, 16M Bytes NAND FLSAH, 128M Bytes DDR2 SDRAM, 128M Bytes power-down retention SRAM, 1M Bytes power-down protection: backup battery retention, data retention time after power f*lure is greater than 2 years, battery life is greater than 5 years, can be replaced online System Network: 100Mbps for dual network redundancy Ethernet control network: bus protocol PROFIBUS-DP, working mode dual network redundancy, communication rate 187.5 Kbps, 500Kbps, 1.5Mbps	1 piece
2	4-slot m*n controller backplane module	Power input: redundant input 3-channel power supply, 1 channel system power supply, 2-channel field power supply (1 channel 240W, 1 channel 120W) Power output: system power supply and field power supply both use 12 channels of output, and each two channels are redundantly controlled IP address setting: DIP switch setting IO-BUS station address setting: Jumper setting Power input: 24V±10% Number of slots: 4 Power input socket: 2-way redundant, 6-pin socket	1 piece
3	DC output power supply	·Input voltage: 115VAC/230VAC, switch selection · Output voltage: 24VDC ·Protection: output short circuit, overload, overvoltage, over-temperature protection	2 pieces
4	System dedicated DC output power supply	Input voltage: 176~264VAC Input current: 1.4A/230VAC Rated output voltage: 24VDC Output voltage accuracy: ±2% Rated output current: 10A Rated output power: 240W Voltage adjustment rate: ±1% Output overload protection: 105%-150 %, automatically recovers after the overload is eliminated. Output over-voltage protection: 125%-150% rated voltage. Output short-circuit protection: output short-circuit fault power supply protection, the power supply automatically recovers after the short-circuit fault is eliminated.	2 pieces
5	AC Power Distribution Board Module	Input voltage: 110V/220VAC (2 channels) Output voltage: 110V/220VAC (each input corresponds to 5 outputs)	1 piece
6	DC power distribution board module	Input voltage: 1 set of 2-channel 24VDC system power supply (Max. 240W); 1 set of 2-channel 24VDC (240W) field power supply, 1 set of 2-channel 24VDC (120W) field power supply, 1 set of 2-channel 24/48VDC auxiliary (query) power supply output voltage : Redundant system power supply (24VDC), 240W field power supply (24VDC), 120W field power supply; (24VDC) parallel distribution output on 2 6-hole connectors; redundant 24/48VDC auxiliary (query); load capacity: 24VDC, Maximum load 10A 48VDC, maximum load 5A	1 piece
7	Query the power distribution board module	Output voltage: 24VDC/48VDC Output short-circuit protection: If a single output is short-circuited, the corresponding red indicator light will turn on Output current: 750mA/channel	1 piece
8	Bus type IO-BUS module	Input voltage: 24VDC (-10%~+10%) Hot plug: supported Power supply mode and ports: 8 ports: 1~6 IO ports, 7 m*n control ports, 8 expansion ports Communication rate: 45.45k bps~3M bps Auto Adaptation Number of cascades: 3-level cascade/1.5Mbps, 2-level cascade/3Mbps (the delay between the output of each level HUB is not greater than 1.5μS) Transmission distance: 200m/1.5M bps (100m/3M bps) Electrical band load capacity detection: 30-node DP bus: detect open circuits of each branch DP bus and short circuit faults between bus differential lines	2 pieces
9	Bus type IO-BUS connector module	Power input: 2-channel on-site power supply: 240W@24VDC, 120 W@24VDC Power output: The system power supply and on-site power supply both use 12-channel outputs, and each two channels are redundant. The on-site power supply 1 (240W) is divided into 8 channels. Power supply 2 (120W) is divided into 4 channels. Number of connector slots: 1 DP-HUB slot. Power input socket: 2 channels redundant, 6-pin socket, welded on the base plate. Composite bus connector: 2 sets of 8-port molex connections. Each connector has 6 channels, forming 6 prs of redundant links; each connector contns one IO communication bus, one system 24V power supply, and one field 24V power supply.	2 pieces
10	8-channel analog input module	Number of channels: 8 Signal type: Current input Range: 4~20mA (maximum output range 0.5~22.7mA) Channel load capacity: Max. 800Ω@24VDC FS DAC resolution: 12 bits Accuracy: 0.20% FS (10~45℃ ) Stability: 0.05% FS non-linearity: 0.05% FS (-20～60℃) Isolation withstand voltage: 1500VAC, 1 minute @5mA	1 piece
11	8-channel analog output module	Number of channels: 8 Signal type: Current input Range: 4~20mA (maximum output range 0.5~22.7mA) Channel load capacity: Max. 800Ω@24VDC FS DAC resolution: 12 bits Accuracy: 0.20% FS (10~45℃ ) Stability: 0.05% FS non-linearity: 0.05% FS (-20～60℃) Isolation withstand voltage: 1500VAC, 1 minute @5mA	1 piece
12	Analog module base	K-AT01	2 pieces
13	16-channel 24VDC digital output module	Number of channels: 16 Signal type: Source output Load capacity: Load current Max. 50mA@24VDC per channel; Load impedance: 700~3200Ω Isolation withstand voltage: 1500VAC, 1 minute @5mA Channel protection: Channel output current limiting fault diagnosis type : On-site power f*lure	1 piece
14	16-channel DO base	K-DOT01	1 piece
15	16-channel DO relay output terminal board	K-DOR01	1 piece
16	Engineer Station Software (Teaching Edition)	Mnly used for system management and configuration mntenance and modification. It has offline configuration test function; online download function; screen configuration and editing; function point configuration and definition function; control loop configuration function; alarm, trend chart and other definition and editing functions; communication definition and configuration function; device definition and configuration functions; database definition and configuration functions; report generation functions, etc.	1 set
17	Prefabricated cable	It is suitable for AC U0/U to be 300/500V for electric power, metallurgy, petrochemical and other industries, which are m*nly electronic computer-based automatic control systems, computer distributed control systems, automated control systems as control lines, and electronic computer cables for testing instruments.	1 set

1. System scale: Support: up to 15 dom*ns; operator station: 64 units/each dom*n; on-site control station: 64 units/each dom*n.
2. Scale of a single field control station: number of I/O modules: 100; number of I/O points: 1600 points; number of analog control loops: 128.
3. Real-time response capability: SOE accuracy: 0.4ms; SOE event resolution: 1ms; change from operation input to corresponding output: <1s; controller task scheduling cycle: 50ms, 100ms, 200ms, 500ms, 1s; screen data update time :<1s.
4. System functions include data collection , control calculation, control output, equipment and status monitoring, alarm monitoring, remote communication, real-time data processing and display, historical data management, log recording, accident sequence identification, accident recall, control adjustment, and report printing , advanced computing, and functions such as configuration, debugging, printing, downloading, and diagnosis of this information.
5. The DCS control station can meet the function and speed requirements of conventional process control of large chemical plants, and has the functions of continuous process control, batch control and sequence control.
6. Functions and algorithms provided by the controller
1) Various PID control
square/square root; four arithmetic operations of addition/subtraction/multiplication/division; piecewise linearization; lead/lag; delay; maximum/minimum value selection; function generation ; Polyline; Program given; Signal conversion; Signal limiting; Signal selection; Change rate limit; Mass flow temperature and pressure compensation operation; Accumulation, averaging; Sampling and holding.
2) User-defined function blocks
3) Hard/soft operator interface
4) The controller can be controlled at different levels: ratio control; cascade control; split range control; temperature and pressure compensation control; manual operation; self-tuning PID control ;Selection control; sequence control; logic control (including motor control).
5) The controller can be controlled at different levels.
The lowest level is "drive" control, which can directly control the final drive components, such as motors , regulating valves or switching valves.
The next level is "Function Group Control", which can use step programs to organize function group controllers into a group to work.
The highest level is "Process Unit Control", where the setpoints of functional group modules and given regulators can be set.
7. The following algorithms are provided in batch control and sequence control
1) switch control
2) AND, OR, non-logic
3) counting/timing
4) standard program step control
5) user-defined function blocks
(3) System features
1. Safety
1) Isolation: Photoelectric isolation is used between the system bus and the module, the system power supply and the on-site power supply are isolated for power supply, and the module channels are electrically isolated.
2) Network security: It uses real-time Ethernet and is equipped with a switch with a firewall; the controller CPU adopts an industrial-grade chip based on PowerPC architecture and has built-in anti-network storm components.
3) Fault diagnosis: Both the controller and I/O modules have intelligent diagnosis functions, which can perform self-diagnosis and fault reporting of communication status, signal disconnection, short circuit, over-range, etc.
2. Flexible and open
1) The system network, control network, controller, power module, and I/O module can all be configured redundantly.
2) Supports three system network structures: P-TO-P (peer-to-peer network), C/S (client/server), P-TO-P and C/S (hybrid).
3) Supports industrial Ethernet connection in star, ring or bus topology.
4) Compatible with various field buses, supporting various protocols such as HART, PROFIBUS-DP, PROFIBUS-PA, MODBUS, etc.
5) Function-rich HMI human-machine interface, control algorithm programming software that complies with IEC61131-3; supports user-defined various function blocks and script languages.
6) The control algorithm and hardware configuration can be flexibly modified.
3. Reliability
Redundant design adopted for important equipment
Network: media quad redundancy, logical dual redundancy, hot backup, dual network 0-second switching.
Operation station: All operation stations have the same functions and can achieve multi-machine redundancy.
M*n control unit (DPU) of the on-site control station: dual redundancy, hot backup, bumpless switching, no switching time.
Ethernet card on the m*n control unit (DPU) of the field control station: dual redundancy, hot backup.
24V system power supply in the on-site control station: dual redundancy, current sharing design.
4. M*nt*nability:
The field control station can monitor the I/O module-level status, and the Profibus field bus can detect the channel-level status; the m*n control module diagnosis includes periodic self-tests of the CPU and memory; all I/O functional modules As a smart card with its own CPU, each module can perform periodic self-diagnosis, including channel readback comparison, channel correctness, validity judgment, etc. It can diagnose the running status of all I/O modules and m*n control modules, and upload the diagnosis results to the system server; the power module has a diagnostic dry contact input function; all units in the system have status indicators, including running lights and fault lights. , network communication light, redundant master-slave status. All process I/O units can be plugged and unplugged while powered to reduce m*ntenance time; the operation station can display the entire system equipment status diagram, including m*n control module, I/O module, channel status, operator station, printer, and network communication Etc., the fault point is marked with a special color or graphic.
(4) System technical parameters
A. Data accuracy

Analog input accuracy		≤0.1%
Analog output accuracy		≤0.1%
clock error	Error between on-site control stations	≤0.1 seconds
	Operator-to-station error	≤0.1 seconds
Recording accuracy		Analog time is accurate to seconds, switching time is accurate to milliseconds
SOE resolution		Within the site ≤ 1 millisecond, between sites ≤ 2 milliseconds
System av*lability		≥99.99%
Average system rep*r time		< 0.5 hours
Network communication speed		100Mbps

B. real-time responsiveness

operate	From input changes to display changes	≤Collection period +1 second
	Change from operational input to output	≤1 second
	From input changes to output changes	≤Acquisition cycle + Operation cycle
screen display	Screen shows completion time	≤1 second
screen display	Dynamic element update time	≤1 second
Scan cycle	Analog quantity	Fastest 50 milliseconds
Scan cycle	Switch	Fastest 20 milliseconds
control cycle	Loop control	Fastest 100 milliseconds
control cycle	logic control	Fastest 50 milliseconds

C. System configuration capabilities

system	Maximum number of dom*ns	8
single dom*n	Maximum number of stations	62
	Engineering station	1
	operator station	≤19
	On-site control station (including communication station)	≤40
	Physical I/O points	≤10000 pieces
	Number of control loops	≤1000 pieces

1. The field I/O station level of DCS adopts dual redundant m*n control units, the management level adopts dual redundant 100Mbps Ethernet, and the operator adopts 1:N redundant configuration to diagnose to the module level self-diagnosis function. making it highly reliable.
2. The system parameters, alarms and self-diagnosis functions are highly concentrated on the LED display and printing on the printer.
3. Processor module
1) The processor module is equipped with LED self-diagnosis display and uses the process information collected by the I/O processing system to complete analog control and digital control.
2) The f*lure of a cert*n processor module does not affect the operation of other processor modules. The handshake signal wake-up function is directly used between DCS redundant processor modules, and the switching is completely interference-free. The direct communication of the dual-port RAM ensures that the data updates between the slave CPU and the m*n CPU are synchronous, and there is no update cycle of the processor module data.
3) Power f*lure is a recoverable f*lure of the system. Once power is restored, the processor module, operator station, server, etc. can automatically resume normal operation without any intervention from operating personnel.
4. Input/output module
1) All I/O modules have LED indicators indicating the I/O working status and other diagnostic displays, such as module power indicators, etc.
2) When the information exchange between DCS and control and protection devices provided by other suppliers uses I/O channels, electrical isolation measures should be taken.
3) Each analog input channel has an independent A/D converter, and the number of channels in each analog input module does not exceed 8 points. Each analog output has an independent D/A converter, and each thermal resistance input has an independent bridge.
4) All input channels, output channels and their working power supplies are isolated from each other. F*lure of any channel of the module will not affect the normal operation of other channels.
5. I/O type
1) Analog input: 4~20mA signal (grounded or ungrounded), the maximum input impedance is 250Ω, the system provides 24V DC power supply for the 4~20mA two-wire transmitter.
2) Analog output: 4~20mA or 0~10mA optional, the drive circuit can have a maximum load capacity of 750Ω. The negative terminal is connected to the isolated signal ground. The system provides 24VDC loop power.
3) Digital input: The negative terminal is connected to the isolated ground, and the system provides "query" voltage for the on-site input contacts. The "query" voltage is 24V DC or 220VAC.
4) Digital output: The digital output module adopts electrically isolated output, with an isolation voltage of ≥250V, and can directly drive the control motor or any intermediate relay. And provide intermediate relay cabinet and reliable working power supply.
5) Thermal resistance (RTD) input: It has the ability to directly accept three-wire system (no transmitter required) thermal resistance of Cu50Ω, Cu10Ω, Pt10Ω, Pt100Ω and other types, and provides the power required for these thermal resistors.
6) Thermocouple (T/C) input: can directly accept thermocouple signals with index numbers N, E, J, K, T, S, B and R (no transmitter required). The linearization of the thermocouples over the entire working section is completed in the process station.
7) Pulse input: can accept 0~10000 pulses per second.
8) Signals using shielded cables: mV signals or voltage signals such as thermocouples and thermal resistors; digital input signals related to protection; AI and AO signals related to analog control.
6. Data communication system
1) F*lure of any system or equipment connected to the data communication system will not cause the communication system to be paralyzed or affect the work of other networked systems and equipment. F*lure of the communication bus will not cause the device to trip or disable the DPU.
2) The communication bus provided is redundant. The redundant data communication bus operates simultaneously at all times.
3) All stations hanging on the data communication bus can accept data on the data communication bus and send data to the data bus.
4) The communication method between operator stations is 100M industrial Ethernet, TCP/IP protocol, bus topology, and the fieldbus between I/O and controller is the standard ISO international fieldbus ProfiBUS-DP, with a communication rate of 12Mbps .
(4) Intelligent instrument control system
The core of the intelligent instrument control system is an instrument with communication functions. Various algorithms are integrated into the instrument, and various parameters of the instrument control algorithm can be determined according to the on-site conditions. Instruments with communication functions have platform communication with the host computer software to ensure that various parameters and process values of the instrument can enter the database of the software platform. With the configured process screen and operation interface, parameters can be set on the host computer and the process values can be adjusted Record and analyze to achieve control effects.
(5) Control objects:
This device m*nly consists of a st*nless steel frame, a st*nless steel water storage tank, three series-connected plexiglass water tanks, a 3kW three-phase electric heating boiler (composed of a st*nless steel boiler liner heating cylinder and a closed boiler jacket), a plate Pipes and plastic-coated st*nless steel pipes. The water supply system has two lines: one is composed of a three-phase (380V constant pressure water supply) magnetic drive pump, pressure instrument, electric control valve, AC solenoid valve, turbine flow meter and manual control valve; the other is a three-phase magnetic drive pump (220V Frequency control, driven by a frequency converter), turbine flow meter and manual regulating valve.
The basic configuration and functions of the experimental device are as follows

serial number	Part Name	M*n configuration	quantity	Remark
1	Level water tank	It includes an upper water tank, a middle water tank, and a lower water tank. The three water tanks are all made of light blue high-quality organic glass, which is not only solid and durable, but also has high transparency, making it easy to directly observe changes in liquid level and record results. The dimensions of the upper and middle water tanks are: D=25cm, H=20cm; the dimensions of the lower water tank are: D=35cm, H=20cm. The water tank has a unique structure and consists of three tanks, namely the buffer tank, the working tank and the outlet tank. When the water enters, the water in the water pipe first flows into the buffer tank. When the water is discharged, the water in the working tank flows into the outlet tank through the partition with dovet*l groove. In this way, With buffering and linearization processing, the liquid level in the working tank is relatively stable and easy to observe. The bottom of the water tank is connected with a diffused silicon pressure sensor and transmitter, which can detect and transmit the pressure and liquid level of the water tank. The pressure transmitter adopts a two-wire analog pressure transmitter. The three water tanks can be combined into first-, second- and third-order single-loop liquid level control systems and double-closed-loop and triple-closed-loop liquid level cascade control systems.	3
2	water tank	Made of 304 stnless steel plate, the dimensions are: length × width × height = 68cm × 52cm × 43cm, with a capacity of 152L, which can fully meet the water supply needs of the experiment. There are two oval plastic filter covers inside the water tank to prevent debris from entering the water pump and pipes. The upper and lower parts of the water tank are equipped with water injection valves and drnage valves to facilitate the replacement of experimental water.	1
3	boiler	An atmospheric pressure boiler heated by a 3kW three-phase electric heating tube, including a heating layer (boiler liner) and a cooling layer (boiler jacket), both made of stnless steel, mnly completes relevant temperature experiments. When doing temperature experiments, the circulating water in the cooling layer can quickly dissipate the heat in the heating layer, causing the temperature of the heating layer to drop quickly. Both the cooling layer and the heating layer are equipped with temperature sensors to detect their temperatures, which can complete experiments such as fixed value control, cascade control, feedforward-feedback control, and decoupling control of temperature. Inner tank size: diameter Φ=185mm, height h=528mm, volume=14.2L; Boiler jacket size: diameter Φ=270mm, height h=420mm, volume=9.8L.	1
4	Coil	Simulates the pipeline transportation and lag link in the industrial site. It is 35 meters long (43 turns) and 15mm in diameter. There are three different temperature detection points on the coil. Their lag time constants are different. During the experiment, different experiments can be performed. Need to choose	1 set
5	Pipes and valves	Different temperature detection points. The outlet water from the coil can flow into the boiler liner through the switching of the manual valve, or it can flow back to the water storage tank through the turbine flowmeter. It can be used to complete temperature hysteresis and flow pure hysteresis control experiments. The entire system pipeline is connected by plastic-coated st*nless steel pipes. Φ20 pipes are used in front of the pump, Φ16 pipes are used behind the pump, and Φ25 pipes are used in the overflow pipe. All manual valves are made of high-quality ball valves, which completely avoids rust in the pipeline system. possibility. Effectively improve the service life of the experimental device.	1 set
6	Level Transmitter	Three diffused silicon liquid level transmitters are used to detect the liquid levels of three liquid level water tanks respectively; their measuring range is 0~5Kpa and the accuracy is 0.5. Material: full stnless steel structure, aluminum alloy shell; range: 0～5KP; accuracy: 0.5%; insulation resistance: ≥20MΩ/50VDC; zero point temperature coefficient: ±0.5%FS/10℃; stability: ±0.5%FS/ 1 year; Output signal: 4~20mADC (two-wire system), with stnless steel isolation diaphragm, and uses signal isolation technology to follow and compensate for sensor temperature drift.	3
7	Temperature Sensor	Pt100 platinum thermal resistance temperature sensors are used to measure the water temperature of the boiler liner, boiler jacket, coil (with 3 test points) and the outlet of the upper water tank. Pt100 temperature measurement range: -200~+650℃. The Pt100 sensor has high accuracy and good thermal compensation, and can be used as a thermal resistor for standard calibration. Equipped with Pt100 thermal resistance standard signal conversion	5
8	flow transmitter	A turbine flowmeter is used. The sensor part of the turbine flowmeter is a turbine structure. It is a speed detection instrument used to detect the size of water flow. When the flow rate is small, its accuracy will not be reduced. Nominal diameter: 10 mm (pipe thread G1/2″); Measuring range: 0~1.2m3/h; Accuracy: Level 1; Output signal: 4~20mA DC (two-wire system); Power supply: DC24V	2
9	Electric regulating valve	An intelligent str*ght-stroke electric regulating valve is used to adjust the flow of the control loop. It has the advantages of high precision, advanced technology, small size, light weight, large driving force, strong function, integration of control unit and electric actuator , high reliability, easy operation, etc. The power supply is single-phase 220V, and the control signal is 4~20mADC. , can output a valve position signal of 4~20mADC, which is very convenient to use and calibrate.	1 set
10	Magnetic drive pump	This device uses a magnetic drive pump as the water supply system. The model is 16CQ-8P, the flow rate is 30 liters/min, the lift is 8 meters, the power is 0.18KW, and the rotation speed is 2800rpm. The pump body is entirely made of st*nless steel to prevent rust and have a long service life. This device uses two magnetic drive pumps, one is driven by three-phase 380V constant voltage, and the other is driven by three-phase frequency conversion 220V output.	2
11	The electromagnetic valve	Installed in the bypass of the electric regulating valve, it plays the role of step interference. Solenoid valve working voltage: 220VAC; nominal diameter: DN15; pipe thread G1/2″	1
12	Three-phase electric heating tube	It is composed of three 1kW electric heating tubes connected in a star shape and is used to heat the water in the boiler liner. The resistance value of each heating tube is about 50Ω.	1 set

III. Completed teaching projects
(I) Computer measurement and control system
Project 1: Experimental system recognition;
Project 2: Communication and use of modules;
Project 3: Configuration programming and data reading;
Project 4: System communication and use;
Project 5: DCS system programming;
Project 6: Fieldbus technology and DCS.
(II) Process equipment and instrumentation
Project 1 Temperature, pressure, liquid level and flow measurement;
Project 2 Pump load characteristic measurement;
Project 3 Pipeline pressure and flow coupling characteristic measurement;
Project 4 Electric control valve characteristic measurement;
Project 5 Regulator characteristic measurement;
Project 6 Inverter pump control characteristic measurement
(III) Determination of industrial system object characteristics
Project 1 Determination of single-capacity water tank liquid level mathematical model ;
Project 2 Determination of double-capacity water tank liquid level mathematical model;
Project 3 Measurement of nonlinear volume water tank liquid level mathematical model;
Project 4 Determination of single-capacity water tank liquid level mathematical model under different resistances;
Project 5 Boiler and heater object mathematical model;
Project 6 Lag tube mathematical model;
(IV) Simple design control
Project 1 Single closed-loop flow control;
Project 2 Single-capacity water tank liquid level constant;
Project 3 Double-capacity water tank liquid level constant;
Project 4 Three-capacity water tank liquid level constant;
Project 5 Boiler water temperature constant control;
Project 6 Interlocking control.
(V) Complex design control
Project 1 Closed-loop dual water tank level cascade;
Project 2 Lower water tank level control and inlet flow cascade;
Project 3 Single closed-loop flow ratio control;
Project 4 Boiler temperature and heat exchanger feedback control;
Project 5 Pipeline pressure and flow decoupling control.
(VI) Innovative design and research
Project 6 Large delay system compensation control;
Project 7 Adaptive control algorithm;
Project 8 Fuzzy control algorithm;
Project 9 Fieldbus control system.
(VII) Engineering application design
Project 10 Industrial project design;
Project 11 Alarm system design;
Project 12 Key event processing and recording design;
Project 13 System trend and history storage design;
Project 14 System login and security design;
Project 15 Research on networked control systems.

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