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Room air CO2 sensor

Small digital indoor air sensor for assessing air quality. The internal CO₂ sensor measures the CO₂ concentration and displays it visually via an LED traffic light. Since the sensor is a direct BUS participant, this information is available for individual further processing.

Quick Facts

  • Digital CO2 sensor
  • Indoor air quality assessment
  • Status display via LED traffic light
  • Additional processing options in the ISYGLT system

The module is used to evaluate indoor air quality and is connected directly to the ISYGLT BUS. Installation can be carried out in luminaires or, through additional mounting options, as surface-mounted or flush-mounted.
The internal CO₂ sensor measures the CO₂ concentration in the ambient air and indicates this via a multi-color LED. The evaluation is carried out in three levels: green indicates good air quality, yellow indicates moderate air quality, and red indicates poor air quality.

This information is available directly within the ISYGLT system and can be further processed there, for example, to enable targeted automatic ventilation of the room.

In addition, the ISYGLT system allows the brightness of the LED to be adjusted, thresholds to be set, and the LED to be controlled in a defined manner.

Type CO2-01
Item number 80081300
Operating voltage 17V-27V DC
Current consumption Max. 20mA at 24V DC
Subnet (RS-485) Max. 5.6 V limited by Zener diodes
Connection Mini connector Molex 51021-0400, 4-pin cable to RJ10 incl. terminal adapter
Operating temperature 0...+50°C
Storage temperature -25...+70°C
Humidity 0...85% RH, non-condensing
Protection rating IP20
Housing Mini plastic housing for installation in luminaires/profiles, other housing variants available on request
Dimensions LxWxH 46,4x20,4x14mm
Weight 20g
Brand ISYGLT
Compliance CE

Tender Documents

Instruction Manuals

Wiring Diagrams

Address Setting

Due to its design, the sensor does not provide space for the usual DIP switch for address setting. At this sensor, the address is set via software parameterization with the ISYGLT ProgramDesigner.


Display and buttons at the sensor

 Zustand / BetätigungBedeutung / Funktion
LEDBlinks alternately red and greenSensor has no BUS address (factory default)
Blinks redSensor is in programming mode
Lights up green, yellow, or redIndicates CO₂ thresholds:
Good, moderate, or poor air quality
Button leftShort pressActivates/deactivates programming mode
Long press (approx. 10s)Resets the sensor to factory default


In the ProgramDesigner (from version 8.00.17.1006 R103 onwards), the sensor must be created as a module.
In addition, a virtual module “ISYGLT_ADR” is required.

To set the BUS address, enter the desired address in the parameter tab.

 

Next, the sensor to be addressed must be switched to addressing mode: the red LED will start blinking rapidly. In the ProgramDesigner, click “Send Parameters” – the red LED will go off, and the sensor will now register on the BUS.

 


Software


Pin assignment

4-polige Klemme

=Ub Operating voltage
0V Operating voltage
A Subnet (BUS A, RS-485)
B Subnet (BUS B, RS-485)

Zubehör

  • 250 mm connection cable (included in delivery)
  • RJ10 terminal adapter (included in delivery)

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