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The TLS (Transport Layer Security) Protocol in Secure Modbus/TCP

The TLS (Transport Layer Security) Protocol in Secure Modbus/TCP

What is TLS and what is its role in the Modbus-TCP version of the Modbus protocol?


pH Monitoring and Control Systems

pH Monitoring and Control Systems

What are pH monitoring systems and how are they applied in control systems?


Ladder Logic in Programmable Logic Controllers (PLCs)

Ladder Logic in Programmable Logic Controllers (PLCs)

This article describes the programming language ladder logic used to program PLCs and shows examples of how it functions.