DMP253en | 1st Issue rev. 0 | 04/2022
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THIRD_POINT_ACTIVE, bit 4: enables or disables decimal values in the temperature
setpoint;
Modbus register: 41513;
BACnet object: AV56, property: 4202;
Bit Name 0 1
0 Visible Not visible Visible (default)
1 Editable Not editable Editable (default)
2 Operating mode Changing offset Changing setpoint (default)
3 Setpoint display Show/change offset
(OFFSET_SETPOINT value)
Show/change effective setpoint
(EFFECTIVE_SETPOINT value)
4 ThirdPointActive No decimal Decimal (default)
Table 10. Temperature setpoint configuration
4.1.1 Display Brightness
Display brightness switches between three illumination modes in time:
active mode;
idle mode;
standby mode.
Figure 4. Brightness modes sequence
Active Mode Settings
BACKLIGHT_LCD_ACTIVE:contains a value of the LCD display brightness in the active
mode (expressed in %). The default value is 60%.
Modbus register: 40207;
BACnet object: AO3, property: Present Value;
BACKLIGHT_LCD_TIME_TO_IDLE:allows to set the time, after which the LCD display goes
from the active mode to idle (expressed in seconds). The default value is 10 seconds.
Modbus register: 40210;
BACnet object: AO6, property: Present Value;