The difference between Modbus, RS485, and 4-20mA
We will be involved in communication methods when we select water quality sensors. We often see terms such as Modbus, RS485, and 4-20mA. Modbus, RS-485, and 4-20mA are all widely used protocols and standards for industrial communication, but they serve different purposes and operate in unique ways. Here’s a breakdown of each: Modbus Protocol Type: […]
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