Guides

The Industrial Dilemma: Serial vs. Ethernet Since its release by Modicon in 1979, Modbus has become the de facto standard for industrial communication. However, as factories move toward Industry 4.0, the choice between the classic Modbus RTU (Remote Terminal Unit) and the modern Modbus TCP/IP (Transmission Control Protocol) has significant implications for system latency, scalability,…

Introduction In industrial automation, RS485 remains the gold standard for long-distance, noise-resistant serial communication. However, connecting a Modbus RTU sensor (like temperature, humidity, or pressure probes) to a modern PC requires more than just a cable. It requires a stable USB-to-RS485 bridge and a robust software master like QModMaster to orchestrate the data exchange. This…