19 items Honeywell Rondostat Programmable Thermostatic Radiator Valve TRV 1X HONEYWELL RONDOSTAT HRE HR HR Heizkörperregler. This project is about controlling a Honeywell Rondostat HRE electronic radiator thermostat over an RS bus. The idea for this project. The HR Rondostat. Is an electronic radiator control. It allows the user to precisely control the temperature in a room and introduces automatic running set .

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Select a valid country. This would make it easy to port your application to wireless HR20 control.

:Customer reviews: Honeywell Rondostat HR Radiator Thermostat Timer

The week times can be set via R The serial communication parameters are 8-E-1 that is, 8 bits, even parity and 1 stop bit. But I am do honeywelo use it. So, tell me your plans! Rev is just proof of concept for bi-directional communication. Did i get this right?

Unzip the attached setup and install the SW. For security is ony byte random number nothing.

Learn more – opens in a new window or tab. Rev have changed numbers of settings in eeprom. As you wrote, a negativ value means that the real temperature is lower than the wanted temperature.

  ASTM F1292 PDF

Karim, i just tried your latest version of openHR20suite, excelent!!!


Strange, your log looks perfect. Ask a question – opens in a new window or tab. Without this it is easy decrypt packets xor h2r0e key. This is requested by the C standard and casting the parameters to 8bit types doesn’t change this behaviour. If you are not using RS, PE2 is free. Hmm, you’re right about the risks of an external module, but I thought it could be easier to connect a cable to the pin connector but honeywel the module inside.

Next thing I already started is the wireless remote control of most of the internal and external lights and also some other electronic devices, all with the same RFM12 receivers MHz in my case.

Use internal RC oscilator for this situations is also possible, but battery hungry. This mean that logical “1” is defined by resistor.

RS HW is extremely simple, see to http: I hope that first “Alpha” version will be prepared around According to the datasheet I think the extra overhead would be about us. It’s a very simple ronddostat these things have to do and for them to fail so often is really bad. May I add the code to the SVN? After step 4 we can go back to 2.


Hi Jiri, it would not be a big problem to do a pcb for the master. YY shows honeeywell i dont understand Then I made some changes on the I value.

Measure how long it takes until the temp rises, until it reaches the maximum and how it does fall. That is one of the open points for the next release. I read about similar problems in another thread – in one case hr20ee coins helped to reduce the joneywell between the nozzle of the valve and the regulator pin. Hi Jiri, I tried the new version with temp-tolerance set to 0. This is the video https: Make code inside interrupt small as is possible and move real functionality inside main.

Hello, here is the problem on Version again: This item will ship to United Statesbut the seller has not specified shipping options.

See to my log. If master fail, you are not abble communicate. Hello, first a big respect to all members in this forum which do a great job to developing the new firmware.