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What is PoM or Power over Modbus?
Modbus RTU – how to interconnect Sentera devices
The term ‘PoM’ or ‘Power over Modbus’ means that both Modbus RTU communication and 24 VDC power supply are transmitted via one single UTP (Unshielded Twisted Pair) cable.

Sentera -M series use this technology and can be connected via one simple RJ45 connector. This makes the wiring more efficient and reduces the risk of wrong connections.

Recent news
Date 09/07/2020
Brand new SDX fan speed controllers
Brand new SDX fan speed controllers The SDX infinitely variable fan speed controllers regulate the speed of small, single phase AC motors up to 3 Amps. Not only has the design of the enclosure been modernised, but also the electronics are brand new and offer many benefits. Especially the quieter motor operation at low speed is remarkable. >>>
Date 22/06/2020
How to measure indoor air quality?
How to measure indoor air quality? Sentera air quality sensors measure TVOC and equivalent CO2 level >>>
Date 15/06/2020
Electronic fan speed controllers
Electronic fan speed controllers Fan speed control for voltage controllable AC motors >>>
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