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3.5 Window Heater
The detector is equipped with a heater to prevent condensation and icing on the window. If enabled,
the heater is operated automatically depending on temperature.
3.6 Video settings
The detector is equipped with a video camera and processing module. If enabled (“Video module”
setting) the detector provides video outputs and records flame alarm events. The events are
recorded from 1 minute before the flame was detected to 1, 2 or 3 minutes after (depending on the
“post alarm video recording duration” setting).
Digital video output is provided via ethernet and ONVIF Profile S protocol. Composite (analog) video
output is provided in NTSC or PAL format, depending on the “Video analog output” setting.
3.7 Modbus Address
The detector can communicate with the “FGD communicator” software using a Modbus RTU
compatible protocol on RS-485. This protocol allows for a network of detectors to be connected,
each with a unique Modbus address. The address of the detector can be set to any value in the range
1–247.
3.8 Manual BIT – Alarm Output Test
When enabled, the alarm outputs are activated when a Manual BIT is initiated. See section 5.2 –
“Testing” for details.
WARNING
Make sure to disable all fire extinguishing actions or alarms connected to the detector when the
manual BIT is initiated and the “Manual BIT – Alarm Output Test” is enabled as the Manual BIT will
set the 0-20mA terminal to 20mA and close the alarm relay.
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