Thermostat

Attributes

Attribute ID Name Type Comments
0x0000 LocalTemperature Signed 16-bit integer 100 x temperature in degrees Celsius
0x0002 Occupancy 8-bit bitmap 1 is occupied; otherwise 0
0x0003 AbsMinHeatSetpointLimit Signed 16-bit integer  
0x0004 AbsMaxHeatSetpointLimit Signed 16-bit integer  
0x0005 AbsMinCoolSetpointLimit Signed 16-bit integer  
0x0006 AbsMaxCoolSetpointLimit Signed 16-bit integer  
0x0010 LocalTemperature Calibration Signed 8-bit integer This attribute specifies the offset that can be added/subtracted to the actual 457 displayed room temperature, in steps of 0.1°C. The range of this offset is –2.5 °C to +2.5 °C).
0x0011 OccupiedCooling Setpoint Signed 16-bit integer  
0x0012 OccupiedHeating Setpoint Signed 16-bit integer  
0x0013 UnoccupiedCooling Setpoint Signed 16-bit integer  
0x0014 UnoccupiedHeating Setpoint Signed 16-bit integer  
0x0015 MinHeatSetpoint Limit Signed 16-bit integer  
0x0016 MaxHeatSetpoint Limit Signed 16-bit integer  
0x0017 MinCoolSetpoint Limit Signed 16-bit integer  
0x0018 MaxCoolSetpoint Limit Signed 16-bit integer  
0x0019 MinSetpointDead Band Signed 8-bit integer This attribute specifies the minimum difference between the Heat Setpoint and the Cool SetPoint, in steps of 0.1°C. Its range is 0x0a to 0x19 (1°C to 2.5°C).
0x001a RemoteSensing 8-bit bitmap see Below
0x001b ControlSequenceOf Operation 8-bit enumeration see Below
0x001c SystemMode 8-bit enumeration see Below
0x001e ThermostatRunning Mode 8-bit enumeration see Below
0x0029 ThermostatRunningState 16-bit bitmap see Below

RemoteSensing Attribute

Bit Number Description
0 0 – local temperature sensed internally
1 – local temperature sensed remotely
1 0 – outdoor temperature sensed internally
1 – outdoor temperature sensed remotely
2 0 – occupancy sensed internally
1 – occupancy sensed remotely

ControlSequenceOfOperation Attribute

Attribute Value Description Possible Values of SystemMode
0x00 Cooling Only Heat and Emergency are not possible
0x01 Cooling With Reheat Heat and Emergency are not possible
0x02 Heating Only Cool and precooling are not possible
0x03 Heating With Reheat Cool and precooling are not possible
0x04 Cooling and Heating 4-pipes All modes are possible
0x05 Cooling and Heating 4-pipes with Reheat All modes are possible

SystemMode Attribute

Attribute Value Description
0x00 Off
0x01 Auto
0x03 Cool
0x04 Heat
0x05 Emergency heating
0x06 Precooling
0x07 Fan only

Thermostat Running Mode Attribute

Attribute Value Description
0x00 Off
0x03 Cool
0x04 Heat

ThermostatRunningState Attribute

Bit Number Description
0 Heat State On
1 Cool State On
2 Fan State On
3 Heat 2nd Stage State On
4 Cool 2nd Stage State On
5 Fan 2nd Stage State On
6 Fan 3rd Stage Stage On