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Febris CO2 NFC and Downlink Description

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Febris Symbole und Erklärungen
Abbildung 1. Febris Co2 Sensor

Febris CO2 NFC and Downlink Table

📄 Here is the table for a clear overview:
Febris CO2 NFC and Downlink Table

Timings & Alarms Group

Name: Measurement Period
Communication Protocol: All
Description: Specifies the period during which measurements are recorded. A setting of 10 minutes means that a measurement is taken every 10 minutes.
Key (NFC Parameter): period
Module: Sentiface
Module Key: 0x1111
Group: 0x00
Property ID: 0x00
Default Value: 5
Minimum Configurable Value: 1
Maximum Configurable Value: 60
Unit: min
Read/Write: rw

Name: Regular Transmission Interval
Communication Protocol: All
Description: Number of measurements after which the sensor sends a regular uplink even without an active alarm condition.
Module: Sentiface
Module Key: 0x1111
Group: 0x00
Property ID: 0x01
Default value: 6
Minimum settable value: 1
Maximum settable value: 64
Unit: Number
Read/Write: rw

Name: Save and transmit values (Use this feature only after consultation)
Communication protocol: All
Description: Specifies whether past measurement values are additionally saved and transmitted. Available starting with minor version 1.2.

  • 0: Off
  • 1: On

Enable Measurement History

Module: Sentiface
Module Key: 0x1121
Group: 0x00
Property ID: 0x02
Default value: 0
Minimum settable value: 0
Maximum settable value: 1
Unit: –
read/write: rw

Number of stored values

Name: Number of stored values (Use this feature only after consultation)
Communication protocol: All
Description: Maximum number of past measurement values, that are transmitted during a broadcast. The actual possible number depends on the communication technology used (as of minor version 1.2).
Key (NFC parameter): pastnum
Module: Sentiface
Module key: 0x1121
Group: 0x00
Property ID: 0x02
Default value: Max (30 / 6)
Minimum adjustable value: 1
Maximum adjustable value: 30 (NB-IoT) / 6 (LoRaWAN)
Unit: –
read/write: rw

Alarm Settings Group

Delta Value

Name: Delta Value
Communication Protocol: All
Description: Specifies the absolute change in the CO₂ value compared to the last transmission that must occur to trigger an alarm transmission. This transmission occurs independently of the regular transmission interval.
Key (NFC Parameter): delta
Module: Sentiface
Module Key: 0x1111
Group: 0x01
Property ID: 0x00
Default value: 300
Minimum settable value: 300
Maximum settable value: 2000
Unit: ppm
read/write: rw

Name: Threshold for yellow alarm
Communication protocol: All
Description: Specifies the CO₂ threshold in ppm that must be exceeded for the sensor to switch to the yellow state (yellow LED lights up).
Key (NFC Parameter): yellow
Module: Sentiface
Module Key: 0x1111
Group: 0x01
Property ID: 0x01
Default Value: 1000
Minimum settable value: 500
Maximum settable value: 3000
Unit: ppm
Read/Write: rw

Name: Red Alarm Threshold
Communication Protocol: All
Description: Specifies the CO₂ threshold in ppm that must be exceeded for the sensor to switch to the red state (red LED lights up) .
Key (NFC parameter): red
Module: Sentiface
Module key: 0x1111
Group: 0x01
Property ID: 0x02
Default value: 2000
Minimum settable value: 500
Maximum settable value: 3000
Unit: ppm
Read/Write: rw

Name: Hysteresis
Communication Protocol: All
Description: Determines the absolute hysteresis in ppm during state transitions. If the CO₂ concentration falls below a threshold value minus the hysteresis, the system switches from a higher to a lower alarm state.
Key (NFC Parameter): hyst
Module: Sentiface
Module Key: 0x1111
Group: 0x01
Property ID: 0x03
Default value: 5
Minimum settable value: 0
Maximum adjustable value: 300
Unit: ppm
Read/Write: rw

Buzzer Settings Group

Name: Buzzer Settings
Communication Protocol: All
Description: Specifies the behavior of the buzzer.

  • 0: Buzzer off
  • 1: Buzzer sounds when alarm levels change beyond the defined thresholds
  • 2: Continuous signaling in the event of an alarm. In yellow or red status, the buzzer signals the status with every measurement.
  • 3: The buzzer signals only the transition to the red state.
  • 4: The buzzer sounds continuously as long as the red status is active.

Key (NFC parameter): buzz
Module: Sentiface
Module Key: 0x1111
Group: 0x02
Property ID: 0x00
Default Value: 1
Minimum Configurable Value: 0
Maximum Configurable Value: 4
Read/ Write: rw

Tap Settings Group (optional)

Tap Detect Enable

Name: Tap Detect Enable
Communication Protocol: All

Description: Enables the double-tap function (Knock-Knock).

  • 0: Double Tap disabled
  • 1: Double Tap enabled

Key (NFC Parameter): tapen
Module: Sentiface
Module Key: 0x1111
Group: 0x03
Property ID: 0x00
Default value: 1
Minimum settable value: 0
Maximum settable value: 1
Unit: –
read/write: rw

Double Tap Max Delta

Name: Double Tap Max Delta
Communication Protocol: All

Description: Maximum time interval allowed between two tap events, so that a measurement is triggered and the double tap is successfully detected.

Key (NFC parameter): tapdelt
Module: Sentiface
Module Key: 0x1111
Group: 0x03
Property ID: 0x01
Default value: 800
Minimum configurable value: 100
Maximum configurable value: 2000
Unit: sec
read/write: rw

Tap Count Alarm

Name: Tap Count Alarm
Communication Protocol: All

Description: Specifies how many individual tap events are required to trigger a measurement.

  • 2: Double Tap
  • 3: Triple Tap
  • 4: Quadro Tap

Key (NFC Parameter): tapcnt
Module: Sentiface
Module Key: 0x1111
Group: 0x03
Property ID: 0x02
Default value: 2
Minimum settable value: 2
Maximum settable value: 4
Unit: –
Read/Write: rw

Tap Impact Strength

Name: Tap Impact Strength
Communication Protocol: All

Description: As soon as the measured acceleration exceeds the configured value tap_impact_strength, a measurement is triggered by the double-tap event.

Key (NFC parameter): tapstr
Module: Sentiface
Module key: 0x1111
Group: 0x03
Property ID: 0x03
Default value: 400
Minimum configurable value: 200
Maximum configurable value: 2000
Unit: mg
read/write: rw

Double Tap Cooldown

Name: Double Tap Cooldown
Communication Protocol: All

Description: Defines the time period during which no further measurement can be started after a double-tap measurement has been triggered.

Key (NFC parameter): tapcool
Module: Sentiface
Module Key: 0x1111
Group: 0x03
Property ID: 0x04
Default value: 30
Minimum configurable value: 10
Maximum configurable value: 300
Unit: sec
read/write: rw

Group LED Settings

LED Settings

Name: LED Settings
Communication Protocol: All

Description: Specifies the behavior of the LEDs:

LED Settings

Description: Specifies the behavior of the LEDs.

  • 0: All LEDs on
  • 1: All LEDs off

Key (NFC parameter): leds
Module: Sentiface
Module key: 0x1111
Group: 0x04
Property ID: 0x00
Default Value: 1
Minimum Value: 0
Maximum Value: 1
Unit: –
read/write: rw

Alarm Data Source and Humidity Alarm Group

Alarm Data Source

Name: Alarm Data Source
Communication Protocol: All

Description: Source that triggers the alarm, such as CO₂ or relative humidity.

  • 0: CO₂ sensor
  • 1: Relative humidity sensor

Key (NFC parameter): ads
Module: Sentiface
Module Key: 0x1111
Group: 0x05
Property ID: 0x00
Default value: 0
Minimum settable value: 0
Maximum settable value: 2
Unit: –
read/write: rw

Relative Humidity Delta

Name: Relative Humidity Delta
Communication Protocol: All

Description: Specifies the absolute change in relative humidity compared to the last transmission that must occur for an alarm transmission to be triggered. This transmission occurs independently of the regular transmission interval.

Key (NFC Parameter): hdt
Module: Sentiface
Module Key: 0x1111
Group: 0x05
Property ID: 0x01
Default value: 20
Minimum settable value: 5
Maximum settable value: 100
Unit: %
read/write: rw

Relative Humidity Yellow Alarm

Name: Relative Humidity Yellow Alarm
Communication Protocol: All

Description: Specifies the relative humidity threshold that must be exceeded for the sensor to enter the yellow alarm state (yellow LED lights up).

Key (NFC Parameter): hyt
Module: Sentiface
Module Key: 0x1111
Group: 0x05
Property ID: 0x02
Default Value: 20
Minimum Configurable Value: 50
Maximum Configurable Value: 100
Unit: %
read/write: rw

Relative Humidity Red Alarm

Name: Relative Humidity Red Alarm
Communication Protocol: All

Description: Specifies the relative humidity threshold that must be exceeded for the sensor to enter the red alarm state (red LED lights up).

Key (NFC parameter): hrt
Module: Sentiface
Module key: 0x1111
Group: 0x05
Property ID: 0x03
Default value: 80
Minimum configurable value: 10
Maximum settable value: 100
Unit: %
read/write: rw

Relative Humidity Hysteresis

Name: Relative Humidity Hysteresis
Communication Protocol: All

Description: Determines the absolute hysteresis for state changes. If the relative humidity falls below a threshold value minus the defined hysteresis, the system switches from a higher to a lower alarm state.

Key (NFC parameter): hlh
Module: Sentiface
Module key: 0x1111
Group: 0x05
Property ID: 0x04
Default value: 5
Minimum settable value: 0
Maximum settable value: 300
Unit: %
read/write: rw
Module key:1111