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M-Bus communication and CT with M-Bus

Pulished on Sep. 30, 2021

With the continuous improvement of technology, we have welcomed the arrival of the "information age", and one of the most important links in the information age is the transmission of information. Then the essential element in information transmission is "communication". When it comes to communication, it can be divided into wired communication and wireless communication, such as RS585 communication, TTL communication, infrared communication, WIFI communication, M-Bus communication, and Bluetooth. Communications and more. Today we will learn about M-Bus communication and CT with M-Bus communication.


M-Bus communication is a kind of communication designed by TI company specifically for the data bus of consumption measuring instruments and counters to transmit information. M-Bus communication has many applications in building and industrial energy consumption data collection. M-Bus will not be replaced by other data buses, on the contrary it is the safest and most affordable way to transmit counter readings. This has been confirmed in practical applications: It can adapt to the fluctuations of the grid voltage. M-Bus is a hierarchical system consisting of a master device, several slave devices and a pair of connecting cables. All slave devices are connected in parallel. On the bus, the master device controls all serial communication processes on the M-Bus.


So let’s summarize, the advantages of M-Bus communication are as follows:

1) Based on the characteristics of wired communication, the transmission distance of M-Bus communication is far enough, up to 2.4KM.

2) Easy to install, cost-effective, and very affordable compared to other communications.

3) Convenient performance, large equipment capacity, simple design, simple wiring, strong anti-interference ability, high-speed and stable transmission.

The above characteristics make M-Bus communication play a very important role in industrial production and intelligent monitoring systems. Its example application is our CT with M-Bus.


As mentioned in our previous articles, compared with the traditional open-close current transformer, the open-close current smart sensor with M-Bus (D129072) saves the conversion steps and makes the current detection more intelligent. The built-in M-Bus communication allows this product to be directly measured and read, and alarm values can also be set. These features make the open-close current smart sensor with M-Bus (D129072) currently in hot sales!


Only more "smart" companies can adapt to changing market demands, and our open-close current smart sensor with M-Bus (D129072) is the embodiment of our more "smart". For more information about (D129072), you can also check through our website: www.ivy-metering.com


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