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What is the Technical Alarm Cyclical Monitoring used for?
This function allows a critical alarm system monitoring (i.e. gas sensor) to check its proper working in the installation.
In this case, the function waits for a value reception to confirm that the system is working properly. If this value is not received within the specific time parameterized in the ETS, the alarm goes off warning users of a possible problem in the device.
What does safe mode mean?
When a device is running in safe mode the programming LED blinks in red, meaning that the application program is halted.
How to set a device in safe mode?
To activate the safe mode, keep the programming button pressed while connecting the device into the KNX bus. This process is described in the datasheet of the device.
How to exit from safe mode?
To exit from safe mode, simply plug the KNX bus into the device but do not press the programming button this time. This way the programming LED does not blink, meaning that the application program is running (safe mode is not active).
How do a download in safe mode?
When an incidence is caused during the download, it is recommended to do a safe mode download, to ensure that the previous corrupted download doesn’t affect to this new download:
To do a download in safe mode, you should follow the next steps:
- Disconnect the device from KNX bus.
- Connect the device to KNX bus while holding down the programming button. The programming LED will start blinking indicating that the device is in safe mode.
- Once in safe mode, download the application program completely to the device.
- When the download is finished, disconnect and reconnect the device from the bus.
