iSMA CONTROLLI TP - Page 24

TP Software User Manual
www.ismacontrolli.com
DMP253en | 1st Issue rev. 0 | 04/2022
page 24 of 49
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This feature is active by default and cannot by turned off. However, a user can decide if
the alarm status should be visible through user interface:
DEVICE_CONFIGURATION, bit 5: CO2_ALARM_LCD:switches on the function of LCD
background illumination flashing when the CO2 alarm occurs. If the bit 5 is true, the CO2
alarm is indicated by the LCD display flashing;
Modbus register: 40205;
BACnet object: BO5, property: Present Value;
DEVICE_CONFIGURATION, bit 6: CO2_ALARM_BUZZER:switches a buzzer on when the
CO2 alarm occurs. If the bit 6 is true, the CO2 alarm is indicated by the buzzer, which
emits sounds with 1 Hz frequency;
Modbus register: 40205;
BACnet object: BO6, property: Present Value.