S7-200SMART

Communicating with Weighing Instruments via MODBUS with S7-200 SMART

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Communicating with Weighing Instruments via MODBUS with S7-200 SMART

Click↑↑Technical Training, follow and pin it to subscribe for free long-term 200,000+ industrial control personnel follow this WeChat platform: technical sharing, learning exchange, industrial control videos First, let’s introduce our hardware preparation 1 A weighing instrument that supports Modbus protocol Weighing instrument that supports Modbus protocol 2 Set up the communication parameters of the instrument … Read more

How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

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How to Set Up Modbus TCP Communication for Siemens PLC S7-200SMART

Modbus TCP is a traditional and widely used communication protocol that is supported by numerous intelligent devices. Siemens’ S7-200SMART, 1200, and 1500 series all provide free support (while the 300 and 400 series incur high fees), and they are presented in the form of a standard library, making operation quite convenient. Next, I will briefly … Read more

9 Classic PLC Programming Cases For Beginners

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9 Classic PLC Programming Cases For Beginners

Search on WeChat Technical Training 01 Car Forward and Backward Movement Using S7-200 to achieve automatic control of the car moving back and forth. The control process is pressing the start button, the car moves from left to right (and back from right to left). When it reaches the right (or left) limit switch, the … Read more

Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC

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Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC

Over 70,000 friends have followed the industrial control WeChat platform:Technical sharing,Learning exchange,Industrial control videos Solutions to RS485 Communication Port Damage in Siemens S7-200 PLC: 1. Internal RS485 Interface Circuit Diagram of S7-200 PLC: In the diagram, R1 and R2 are ordinary resistors with a resistance of 10 ohms, which serve to prevent excessive current from … Read more

Key Points for Siemens Network Wiring

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Key Points for Siemens Network Wiring

Click the blue textFollow me! ☀The Jicheng WeChat platform has become an invaluable mentor for industrial control students. Follow Jicheng, and technical improvement is guaranteed! QQ consultation: 4001114100 Source: Jicheng Training Network (Teacher Liang Zhibin)　▏Siemens S7-200 Series 17 1.6.4 Network Wiring 　　For RS485 networks such as PPI, MPI, and Profibus, it is recommended to use … Read more

Profibus-DP Communication Between S7-200 and S7-300

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Profibus-DP Communication Between S7-200 and S7-300

Profibus-DP Communication Between S7-200 and S7-300 PROFIBUS Fieldbus 1. Profibus-DP Communication Between S7-200 and S7-300 PLCs 1. Analysis: The S7-200 PLC does not support the DP communication protocol and does not have a Profibus-DP interface, so it cannot be directly connected as a slave. However, it can be connected to the Profibus-DP network by adding … Read more

Siemens S7-200 SMART PLC and Smart Line Touch Screen Modbus RTU Communication Connection

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Siemens S7-200 SMART PLC and Smart Line Touch Screen Modbus RTU Communication Connection

Search on WeChat Technical Training Introduction This article will detail the steps for connecting the Siemens S7-200 SMART PLC with the Smart Line touch screen via Modbus RTU communication. 1. Hardware Connection 1. Smart Line Touch Screen 485 Port Pin Definition As shown in Figure 1: Figure 1 2. 200 SMART PLC 485 Port Pin … Read more

Comprehensive Guide to S7-200 SMART Memory Cards

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Comprehensive Guide to S7-200 SMART Memory Cards

The S7-200 SMART CPU supports commercial MicroSD cards (with capacities of 4G, 8G, and 16G), which can be used for program transfer, CPU firmware updates, and restoring the CPU to factory settings. Open the terminal cover above the digital output points on the CPU body, and you will see a card slot on the right … Read more

9 Classic PLC Programming Examples for Electrical Experts

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Search on WeChat Technical Training 1. Bidirectional Movement of the Cart Use S7-200 to achieve automatic control of the cart’s bidirectional movement. The control process involves pressing the start button, causing the cart to move from left to right (or right to left). When it reaches the right (or left) limit switch, the cart automatically … Read more