DYGC-68A distribution process control comprehensive training platform

Release time：2024-06-06 17:30viewed：times

1. Overview The
distributed process control comprehensive experimental device (Process Control System, PCS for short) imitates common physical quantities in modern industrial production processes, such as temperature, pressure, flow, liquid level and other parameters, to measure, control and analyze them. The changing characteristics of process parameters, teaching experimental equipment for studying process control laws, and comprehensive process control experimental devices use intelligent industrial instruments, which are close to industrial reality, safe to use, stable in operation, simple to m*nt*n, and superior in cost performance. This device integrates multiple control methods, reproduces the control methods used in actual industrial sites, and provides a more user-friendly development interface.
(1) It can meet the teaching and experimental needs of "automatic adjustment principles", "process control", "control instruments", "automatic detection technology and sensors ", "computer" and related courses;
(2) It can be used as a technology for relevant enterprises Internship and tr*ning experimental equipment for personnel, instrument operators, and system operation monitoring personnel.
2. Product structure and features:
(1) Three water tank configuration; two-way water supply system.
(2) The experimental cabinet is completely open and all internal devices are visible, which is conducive to intuitive teaching and m*ntenance.
(3) Humanized design, equipped with water storage tank and automatic water inlet and dr*nage control device to reduce the labor intensity of experimental personnel. Equipped with a hanging rack for special experimental threads, it is convenient, neat and beautiful to take out and hang up the threads. Provide conditions for experimental civilized operations.
(4) The instruments and components of the installation are all modern industrial-grade products with a high degree of intelligence. Good precision and various specifications. It is beneficial to intuitive teaching and broadening students' industrial field knowledge. Lay a solid foundation for entering society in the future.
(5) High safety. The system is equipped with leakage protection, special experimental power supply connection with protective cover, and temperature control box to prevent automatic control of waterless heating, etc., striving to protect personal and equipment safety.
(6) It has good openness. Under the guidance of teachers, students can observe, participate in operations by themselves, program by themselves for verification, and conduct theoretical analysis based on recorded real-time curves.
(7) Boiler heating program-controlled protection system
A. The boiler heating inner tank is equipped with a water level protection device. If the water level does not reach a cert*n height, the control system cannot control the operation of the thyristor voltage regulator.
B. The power control switch of the electric heating tube adopts a key switch. When not experimenting, the teacher will protect and place the key to avoid misoperation by unrelated personnel.
(8) Power supply protection measures
A. Add a current leakage protector.
B. The three-phase power supply is equipped with a fuse to prevent circuit breakage.
(9) Power supply start and stop control method:
use start and stop button to control the contactor to control the start and stop of the power supply.
(10) Leakage protection devices and safety and security commitments;
A. Reliable protection functions of various power supplies and various instruments
B. The strong current of various power supplies and various instruments are controlled by switches. Students do not wire their own connections. There is a problem of mixed insertion of strong and weak electricity.
C. The experimental high-power wiring plug adopts a closed structure to prevent electric shock accidents.
3. Technical parameters and requirements:
1. Power supply:
Single-phase AC power supply: 220VAC±10%, 50Hz±5%, 16A. The system must be well grounded.
2. The laboratory should have water sources and inlets and dr*nage outlets. The distance between the inlet and outlet and the equipment is generally required to be less than 10 meters
3. Host computer configuration software
(1), SCKEY system configuration software
(2), real-time monitoring software graphical configuration software
4. Overall dimensions (after combination): 2200mmX1900mmX700mm .
5. Weight: Experiment cabinet, weighing approximately 200Kg; Experimental bench + experimental frame, weighing approximately 250Kg
IV. System configuration

executive agency
name	unit	quantity	Remark	Features
HONEYWELL intelligent electric regulating valve	Only	1	Equal percentage characteristics Built-in servo amplifier, rare earth permanent magnet synchronous motor , small size, large torque. Working voltage 24VAC, input current 4-20mADC (USA)	Equal percentage characteristics, built-in servo amplifier, rare earth permanent magnet synchronous motor, small size, large torque, more expensive than ordinary electric valves
Silent booster pump	tower	1	Danish technology, silent, working power supply: 220VAC, 50Hz, 120W	The sound is relatively low, which is conducive to keeping the laboratory quiet, and the work stability is very good
magnetic pump	tower	1	No leakage, low noise, three-phase 220VAC, 250W.
Siemens frequency converter	Only	1	Input power supply: 220VAC, 50Hz; Output: three-phase 220VAC0.4Kw; Output frequency range: 0-250Hz, actual application setting is 50/60Hz; Signal input: 4-20mADC.
Temperature control and voltage regulation module + radiator	set	1	Fully isolated single-phase AC thyristor voltage regulation module; control signal: 4-20mADC.	Self-designed, reliable and safe performance
heating ring	Only	1	Power: 1600W, 220VAC.
Sensing transmitter
Diffused silicon pressure (level) transmitter	Only	3	Use the diffused silicon isolation probe imported from NovaSensor from the United States. 0.5 level accuracy; output signal: choose 4-20mADC (two-wire system); connector and shell material: st*nless steel (1Cri18Ni9Ti).	St*nless steel isolation diaphragm, wide application range, high precision, high temperature qualitative, high reliability, exquisite structure, easy installation, small zero point drift, its price is twice that of ordinary sensors
Pressure Transmitters	Only	1	Use the diffused silicon isolation probe imported from NovaSensor from the United States. 0.5 level accuracy; output signal: choose 4-20mADC (two-wire system); connector and shell material: st*nless steel (1Cri18Ni9Ti).
Pt100 temperature sensor and temperature transmitter	set	4	Pt100: Class A; Temperature transmitter: 0.5 level accuracy, 0-100°C.
Turbine flow meter and flow transmitter	set	1	(1) Range: select 0-800L/h; (2) Output signal: 4-20mADC; (3) Accuracy: 0.2 level.	Small and exquisite structure, easy installation, high precision
FMCLDE electromagnetic flowmeter	set	1	(1) Range: select 0-800L/h; (2) Output signal: 4-20mADC; (3) Accuracy: 0.2 level.

control station hardware

serial number	name	card number	unit
1	Cabinet	XP201S	1
2	I/O cage	XP211	1
3	data forwarding card	XP233	1 piece
4	M*n control card	XP243	1 piece
5	Power supply (5V, 24V) 150W	XP251-1	1
6	Power box cage	XP251	1
7	AC distribution box	XP256	1
8	6-channel current signal input card	XP313	2 pieces
9	4-way analog output card	XP322	1 piece
10	8-way transistor contact switching output card	XP362	1 piece
11	Communication interface card	XP244	1 piece
12	Power indicator card	XP221	1 piece
13	Terminal board transfer module	XP521	3 pieces
14	AC switching signal input terminal board (110VAC)	XP563-110V	2 pieces
15	AC switching signal input terminal board (220VAC)	XP563-220V	2 pieces

Operation station software

serial number	name	model	unit
1	real time monitoring	XP111	2 sets
2	Engineering station configuration software	XP135	1 set
3	OPC software	OPC comprehensive version	1 set
4	Chinese Windows 2000	Licensed Standard Edition	1 set
7	Open	C65N-2P-D/10A	1
8	terminal	SAK2.5EN	1

Other equipment

Light blue transparent plexiglass water tank for experiment	Only	3	Three round plexiglass water tanks
St*nless Steel Temperature Control Experiment Box	Only	1	It consists of a heating box, a cooling box, an overflow box, a heating ring, Pt100, and a temperature transmitter. There is a water-free power-off protection device in the heating box to prevent the temperature from drying out.
St*nless steel water tank	Only	1	It has a unique structural design and st*nless steel filter, which is easy to remove and clean.
Automatic water supply and dr*nage device for water storage tank	set	1	Automatic water supply and dr*nage reduces the work of experimental teachers
contactor	Only	4	Schneider (Germany)
relay	Only	4	Omron (Japan)
The electromagnetic valve	Only	4	Sanlixin (domestic)
Liquid level probe	Only	2	self made
Equipped with 24v DC regulated power supply	Only	2	Chaoyang Power Supply
All st*nless steel pipes and accessories increase the service life of the equipment.	set	1	The processing
Experiment cabinet	tower	1	2000mm (height) × 1200mm (length) × 700mm (width); fully open design, beautiful and elegant, easy to operate and mntn
Experimental benches and experimental stands	set	1	External processing 2000mm (height) × 1200mm (length) × 700mm (width)
Boiler protection system	set	1	Boiler heating anti-dry burning system

5. Experiment catalog:
DCS control experiment content
Characteristic experiment
1. Water tank single capacity characteristic experiment
2. Water tank dual capacity characteristic experiment
3. Upper and lower water tank dual capacity characteristic experiment
4. Electric valve flow characteristic experiment
5. Frequency converter flow characteristic experiment
6. Temperature Characteristic experiment
7. Pressure characteristic experiment
Single loop control experiment
1. Single-capacity liquid level control experiment in the electric regulating valve branch
2. Single-capacity liquid level control experiment in the inverter branch
3. Double-capacity liquid level control experiment in the upper water tank
4. Upper and lower water tanks Double-volume liquid level control experiment
5, three-volume liquid level control experiment
6, electric regulating valve branch flow control experiment
7, frequency converter branch flow control experiment
8, boiler liner temperature control experiment
9, boiler liner temperature position control
Cascade control experiment
1. Dual-capacity cascade control experiment of header water tank
2. Cascade control experiment of header water tank liquid level and electric valve branch flow
3. Cascade control experiment of header water tank liquid level and frequency converter branch flow
4. Three closed loops Three-volume liquid level cascade control experiment
5. Temperature cascade experiment
6. Temperature flow cascade control experiment
7. Temperature and temperature cascade control experiment
Ratio control experiment
1. Single closed-loop ratio flow control experiment
2. Follow-up flow ratio control Experiment
Feedforward feedback control experiment
1, lower water tank liquid level flow feedforward feedback control experiment
2, boiler liner temperature flow feedforward feedback control experiment
Decoupling control experiment
1, liquid level temperature decoupling control experiment
2, upper water tank double liquid volume Bit decoupling control experiment
Hysteresis control experiment
1. Smith's prediction control experiment

Previous：DYGC-735DCS distributed process control system training platform

Next：DYGCK-68B process control comprehensive training platform