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  1. C

    RCS TS65I RS485 thermostat communication

    Just an update on the RCS TS65I RS485 thermostat. Any ASCII command string you send it has to be terminated with a CRC16-CCITT checksum. Not a simple task. I'm still finding out how to calculate it using Arduino C++.
  2. C

    RCS TS65I RS485 thermostat communication

    Sorry the remote sensor I need is an RCS RS15
  3. C

    RCS TS65I RS485 thermostat communication

    What I am still in need of is an RCS TS15 four wire remote temperature sensor. I ordered one from SmartHome-Products and have not gotten it. They have not shipped it and are not responding to emails or phone calls. I think they are out of business. Does anyone know where I can get this sensor?
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    RCS TS65I RS485 thermostat communication

    Thanks for the info. I feel I have been doing everything correct. I have not been able to find detailed info on RCS model TS65I. I have info on a TR65. The one I bought is a mystery. RCS is not willing to help on any thermostat current or discontinued. On a positive note I found a GE thermostat...
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    RCS TS65I RS485 thermostat communication

    Has anybody had luck with a RS485 thermostat other than RCS?
  6. C

    RCS TS65I RS485 thermostat communication

    Picked up a new ts65i thermostat on Ebay. The wall unit and control module work fine. Connected a PC via a RS485 converter. With the TS65I set to autosend, I get lots of good data. Following the procedure in the install manual and the command format in the RCS serial protocol document, i...
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