TBX THERMOMETER/BAROMETER CONTROL(CTRL-TBX)The Type TBX Thermometer/Barometer is a microprocessor based controller that provides completely automatic control of TBX design movements. ¢ 24VAC / 50-60 Hz/ 1.67 Input ¢ Thermometer Sensor located externally ¢ Barometer Sensor located internally ¢ For indoor or outdoor use ¢ Protected to IP65 ¢ RS-485 control of TBX movements ¢ RS-232 programming port