training bench for level control by PLC Teaching Model

ST1121 training bench for level control by PLC Teaching Model Educational Equipment

1 product overview

1.1 overview

This training device includes electromagnetic valves, pumps and control object, through the relevant experiment, can be familiar with all kinds of sensor application methods and pump operating characteristics, such as to master its control principle and control mode, the corresponding knowledge and skills, suits, higher vocational colleges, secondary vocational schools and vocational school related professional teaching and skills training examination.

1.2 features

(1) training adopts aluminum frame type structure, the control object and actuators integrated installation, practical circuit and device adopts security terminal adapter, each unit with flexible, easy to use, not easy to damage.

(2) the experimental circuit and devices are fully configured and can be used in combination to complete the training contents of a variety of subjects.

(3) the training platform has a good security system.

2 performance parameters

(1) input power: 230V plus or minus 10% 50Hz

(2) external dimensions: 600mm x 500mm x 1000mm

(3) unit capacity: < 1KVA

(4) weight: < 60kg

(5) working conditions: temperature – 10 ℃ ~ + 40 ℃ relative humidity < 85% (25 ℃)

3 product composition

3.1 control system

The control system adopts Siemens PLC, and the number of digital 10 is 10, and the analog quantity is 2 in 1.

3.2 control objects

Using transparent acrylic water tank, the liquid level change can be observed with liquid level sensor and flow sensor.

3.3 power supply configuration

(1) single phase three-wire power supply input, through leakage circuit breaker control output, with emergency stop control button, press the emergency stop button breaker to cut off the power.

(3) equipped with power indicator, European power output socket and secure type power supply terminal.

(4) built-in ac power, with short circuit protection.

(5) built-in dc power, with short circuit protection.

3.4 supporting devices

(1) 2 piece cylinders transparent water tank

(2) 1 piece transparent storage tank

(3) three piece solenoid valves

(4) 1 piece  water pump

(5) flow sensor 1 piece

(6) liquid level sensor 3 piece

(7) water level switch 3 piece

(8) PLC module 1 piece

(9) 1 set of programming software (teaching edition)

(10) pipe fittings and joint sets

4. Complete training contents

1. Liquid level control experiment
2. Flow control experiment
3. Double capacity tank control experiment
4. Comprehensive control experiment of dynamic liquid level flow
5. PLC programming control experiment