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Modbus protocol safety

It is known that it’s easy to get into the open Modbus protocol and manage any devices. This is similar to the truth, if you have a register map and understand what command words values should be sent to the slave device. It is known that it’s easy to get into the open Modbus protocol and manage any devices....

Modbus

This article will go over the basic characteristics of the Modbus protocol with special emphasis for PLC users. We’ll be covering some of the broad differences between Modbus over serial and over Ethernet. We’ll also discuss the different wiring standards for serial communications. This article will go over ...