I. Introduction
Understand the product structure of S7-200 PLCs . Be able to select an S7-200 PLC control system, become familiar with software applications and the composition of soft components, laying the foundation for later programming learning.
1. Understanding the S7-200 PLC
2. Master the hardware structure of S7-200 PLC
3. Master the expansion modules supported by S7-200 PLC
4. CPU and module parameters and selection instructions
5. PLC wiring specifications and wiring instructions
6. Installation and use of S7-200 programming software
7. Explanation of S7-200 PLC Working Principle and Program Structure
8. Data types and soft component storage area structure of S7-200 PLC
II. Application of Logical Instructions
The course introduces instructions from basic instructions to function instructions. After learning this course, you should be able to write logic control programs independently.
1. Basic bit logic instructions
2. Timer/counter instructions
3. Commonly Used Function Commands
4. S7-200 Interrupt Instructions
5. Program control instructions
6. Creating, adding, and deleting S7-200 libraries
7. Applications of indirect addressing
8. Instructions for use of formula and data recording
III. Analog Signal Applications
After completing the course, you will need to master the wiring of analog signals and the selection of modules. For different sensors, different modules will be selected. You will need to master how to calculate and convert the sampled analog signal values into actual engineering quantities, including mastering the writing of PID control programs.
1. Description of the analog input module
2. Wiring of analog modules
3. Description of the analog signal conversion library
4. Application of Analog PID
IV. High-speed pulse input and positioning
After learning this content, you can use a high-speed counter to collect the encoder's pulse signal, and use a PLC to send pulses to control stepper or servo motors.
1. Introduction to High-Speed Counter Applications
2. High-speed pulse output commands and positioning-related concepts
3. Introduction to using the motion control library
4. High-speed pulse output wizard usage and position control module usage
V. Communication Section
After learning these concepts, you will need to be able to independently write communication programs, such as communication between the PLC and the frequency converter, communication with instruments, and communication with the PLC.
1. S7-200 PLC Communication Basics
2. Free communication
3. Modbus communication
4. PPI Communication
5. Profibus and USS protocol communication
6. Ethernet communication
7. OPC communication
