Multi variable regulation bench Process Control Trainer Teaching Equipment

ZM3198 Multi variable regulation bench Process Control Trainer Teaching Equipment

1 product overview

1.1 overview

Process control is the abbreviation of automatic control of production process, which is an important part of automation technology. Usually refers to the production process of oil, chemical, electric power, metallurgy, light industry, building materials, nuclear energy, etc. In modern industrial production process, process control technology is to achieve optimal technical and economic indicators, improve the economic benefit and labor productivity, improve working conditions, protect the ecological environment plays a more and more important role.

In process industry automation and information system as the main line, the key technology and equipment system we design and production process control professional laboratory comprehensive practice teaching equipment, set up the theme of the major laboratory engineering practice base.

This training unit design is reasonable, the versatility, not only can satisfy this, industrial automation, automatic control and so on the specialized subject of professional courses related to the requirement of experimental teaching, but also suitable for graduate students on topics in the research and development.

1.2 features

1. Adopt industrial aluminum profile frame, transparent structure design, open interface. This system adopts desktop installation, tabletop type installation, flexible placement, operation table with computer placement.
2. The product USES the table structure, the aluminum alloy frame design, control object and control system design, fission can combine both put on the work station, and can according to need to separate use, for example: adding control system to different simulated load hanging box, can become the PLC training device, greatly increased the flexibility of equipment used.
3. The device input/output interface has good compatibility, drive unit and PLC control unit adopts hanging box model, it can easily be replaced the, can be used as electronic circuit of the load, and can be as the execution object of PLC control system, and according to the need to extend the upgrade.
4. The temperature, flow, liquid level, pressure and components of the industry are widely used, which can be used for the detection of sensors and sensors.
5. The idea of time-sharing control can be used to collect two or three parameters at the same time. For example, a set of measuring flow and a set of temperature measurement. Object system adopts the whole aluminum alloy production, and engineering concepts to aesthetic point of view, look at the object system, creating process and equipment professional laboratory experiment, it built a modern demonstration laboratory.
6. The basic control device can complete process control training program, implementation of flow rate, temperature, pressure, liquid level, composition of 5 kinds of parameter control and PID regulating function, and can achieve the goal of a variety of teaching practice.
7. Adopt low pressure water pump, water pump outlet has regulating valve loop and direct loop, can choose to use according to experiment requirement.
8. All instrument sensor wiring is directed to the terminal, and the sensor circuit can be selected according to the required data, and the sensor and instrument can be flexibly matched according to the experimental content.
9. Device input/output interface has good compatibility, drive unit and the main control unit are all made of hanging box pattern, can easily be replaced, can be used as electronic circuit of the load, and can be as the execution object of PLC control system, and according to the need to extend the upgrade.
10. The electric control adopts AB 2080-LC50 PLC, which has the components of analog expansion module and other related devices, and controls the mainstream configuration for the small industrial equipment process.

2 performance parameters

1. Measuring range:

O flow: from 50 to 650 L/h

O: temperature from 0 to 100 ° C

Grade: from 0 to 1 m

2. Minimum power of 1.5kw for heat treatment
3. 3 electric valve opening range from 0 to 100%, as an actuator, has position feedback signal
4. Control valves and compressed air collectors: ranges from 0 to 10 as actuators
5. Pump (main circuit pump and pre-heat pump) :

Minimum delivery: 50 L/min.

Minimum delivery height: 15m.

6. Work power: single phase three-wire 220V + 5% 50Hz;
7. Dimensions: 1600 x 800 x 1680 mm (length x width x height)
8. Machine capacity: <1KVA control signal: voltage 0 ~ 5V/ 4-20ma;
9. Control object power: motor DC24V plus or minus 10%, control valve AC24V + 10% 50HZ + 10%, heating DC48V plus or minus 10%
10. The working environment: – 10 ℃ to 40 ℃, relative humidity: 20% ~ 90% no condensation
11. The working conditions: temperature – 10 ℃ ~ + 40 ℃ relative humidity < 85% (25 ℃)

3 product composition

1. The tank

O double wall mixing tank with minimum capacity of 10L, with heating and liquid level indication.

O collect cans of steel with a minimum capacity of 60L.

2. Pump (main circuit pump and pre-heat pump) :

Minimum delivery: 50 L/min.

Minimum delivery height: 15m.

Industrial supervision organization:

O adjustable temperature controller such as p,PI or PID regulator.

O adjustable level controller, such as p,PI or PID regulator.

4 valves:

O-level control valves and compressed air collectors: range from 0 to 10 as actuators.

O 3 electric valve opening range from 0 to 100%, as an actuator, has position feedback signal.

5 heat exchanger

6. Regulation bench with multiple variables allowing the study of the coupled level and temperature regulation in a stirred tank with two industrial regulators.

The bench is composed of:

-2 reservoirs:

Double walled stirred tank of a minimum capacity 10L with heating dispositive and level indication.

Collecting tank made in steel of a minimum capacity 60L.

-2 pumps (pump of principal circuit and pump for preheating):

Minimum delivery volume: 50 L/min.

Minimum delivery height: 15 m.

-2 industrial regulators:

Adjustable temperature controllers like:

P, PI or PID regulators.

All or nothing regulators.

Adjustable level controllers like:

P, PI or PID regulators.

All or nothing regulators.

– 2 valves:

Level control valve with a compressed air collector: range of measurement from 0 to 10 bars acting as actuator.

3 way motorized valve with opening degree from 0 to 100% acting as actuator with a position feedback signal.

-Heat exchanger with maximum surface 1 m².

-Heating dispositive of a minimum power 1.5 kW.

-Measurement range:

Flow rate: from 50 to 650 L/h

Temperature: from 0 to 100°C

Level: from 0 to 1 m

-Power supply: 230V/50Hz AC with differential protection.

-Delivered with users’ manual and technical note

-study, supervision and data acquisition is done by software via a dedicated port.

-Connection accessories: (hoses, fittings, cables, hoses).

-CD with regulator setting and configuration software.

5 Complete experiment

(1) liquid level measurement experiment

(2) pressure control experiment

(3) temperature control experiment

(4) flow control experiment

(5) PID control experiment of flow parameters

(6) PID control experiment of temperature parameters

(7) PID control experiment of water quality parameters

(8) PID control experiment of pressure parameters

(9) PID control experiment of liquid level parameters

(10) temperature signal acquisition and comparison loop experiment

(11) comparison loop experiment of traffic signal collection

(12) comparison loop experiment of pressure signal collection

(13) the liquid level signal collection comparison loop experiment

(14) practice of single loop control system

(15) control experiment of liquid level of tank

(16) determination of static water temperature control experiment

(17) determination of dynamic water temperature control experiment

(18) determination of the flow of electric valve

(19) control experiment of speed regulating pump discharge

(20) determination of tank pressure control experiment

(21) pressure leakage protection experiment of water tank

(22) understanding and control scheme composition and connection experiment of hardware structure of process control and detection device

(23) to adjust the operation and parameter setting experiment of instrument, changing instrument and so on

(24) calibration of sensors (zero migration and range adjustment)