Daikin RTD-RA Module

This Modbus template enables controlling and monitoring Daikin wall mounted air conditioning units equipped with RTD-RA Modbus interface module. Various Daikin split type AC units are supported, including Sasara (FTXZ), Emura (FTXJ, FTXG), Stylish (FTXA), Perfera (FTXM, FTXS), etc. Please check Daikin or Realtime Control Systems technical docs for more details.

Template provides following inputs and outputs:

Excerpt from module documentation describing meaning of registers data:

List of Modbus registers that are used by this template, their meaning and range of values:

Holding registers (IO Address - Meaning - Range):

- 1 - Setpoint - Heat: 10...30, Cool: 18..32 - 2 - Fanspeed - 0..5 (0: Auto, 1:Fan 1, 2: Fan 2, 3: Fan 3, 4: Fan 4, 5: Fan 5) - 3 - Mode - 0..4 (0: Auto, 1: Heat, 2: Fan, 3:Cool, 4:Dry) - 4 - Louvre - 0..1 (0: Stop, 1: Swing) - 5 - OnOff - 0..1 (0: Off, 1: On)

Input registers (IO Address - Meaning - Range):

- 121 - Is Fault - 0..1 (0: No Unit Fault, 1: Unit in Fault) - 122 - Fault Code - 0..65535 (255: No Fault, else fault code) - 123 - Return Air Temperature (~ Indoor Temp) - Degrees in C x 100 - 131 - Coil Inlet Temperature (~ Outdoor Temp) - Degrees in C x 100

This template might be further extended with following holding registers (IO Address - Meaning - Range):

- 20 - Setpoint Min - 16..32, 0 = No Limit - 21 - Setpoint Max - 16..32, 0 = No Limit - 22 - Fanspeed Inhibit - 0 = No Inhibit, else Inhibit Value - 23 - Mode Inhibit - 0 = No Inhibit, else Inhibit Value - 23 - Louvre Inhibit - 0 = No Inhibit, else Inhibit Value

For more info please read RTD-RA Installation Instruction and manual.