modules

SfAR Modbus I/O Modules

Nowadays processes and control systems are characterized by continuously increased complexity and accuracy. Data transmission over a large area within many different sites become more and more challenging. In these cases the I/O modules becomes helpful. I/O modules simply collect signals from and send signals to devices while communicating with the controller. The inputs are …

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What is Modbus?

The Modbus protocol is a communication protocol created in 1979 by Modicon to enable communication with PLC devices. Its simplicity and reliability made it a worldwide standard used in both BMS (Building Automation Systems) as well as in ICS (Industrial Control Systems). Modbus is one of the most used protocols in industrial electronic devices, despite …

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