Thursday, 24 September 2015

What is Modbus?

We all by now, know about the massive craze over the ideology of internet of things, wherein, the internet is connected by various devices and items, rather than the usual human to machine one, that is previously, the machine was connected to the human, and that it would be up to the human to operate it, but now, machines can connect to each other, and can carry out commands without any human intervention.

The whole concept of machine to machine (M2M) has been an integral part of the internet of things, and has really helped in increasing productivity in many industries and has allowed people to connect their devices to hurry up many different processes. M2M usually includes the process of industrial instrumentation, where a device like a sensor or meter can capture an event, and then that is connected through a network, it can be wireless, wired or hybrid to an application that will then translate it into meaningful information.

Now, here is where the system of Modbus comes into play, which is a serial communications protocol, which was first published by Modicon, in 1979 to use with their programmable logic controllers (PLCs). But it has gradually become the go to communications protocol, because of its simplicity, the fact that it is openly published and royalty- free, extremely easy to deploy and maintain and is now commonly available as a means of connecting industrial electronic devices.

The use of Modbus, for industrial communication between the many devices has been a great help as it has made it easier to transfer information without the risk of misinforming or leaving out even the tiniest bit of information. Modbus has also been important in the inclusion of machine to machine communication within the corporate or industrial work environment.

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