energy meter

In-Depth Explanation of Modbus Communication: A Case Study of S7-200 SMART and Energy Meter Integration

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In-Depth Explanation of Modbus Communication: A Case Study of S7-200 SMART and Energy Meter Integration

Introduction: The “Telephone System” of Industrial Energy Meters Imagine hundreds of energy meters in a factory like silent soldiers, and you have no way of knowing their real-time data—this information black hole is something every engineer has experienced. Today, we will reveal in simple terms how to build an “industrial telephone system” using the S7-200 … Read more

How to Choose Electrical Measuring Instruments

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How to Choose Electrical Measuring Instruments

Correctly using electrical measuring instruments is an essential skill for circuit maintenance and repair. What instrument should we choose for different usage scenarios? 1. Multimeter A multimeter is a versatile electrical measuring instrument, commonly used by electricians, electronics technicians, and in the production and maintenance of electrical equipment. It can measure direct current, direct voltage, … Read more