Fire alarm sounders explosion-proof DONETS-SA are designed for notification of fire and other messages by means of sound and speech signals in hazardous areas up to 30 square metres with a height of up to 3 metres.
The DONETS-SA siren (active) is designed for:
- broadcasting of previously recorded speech messages or audio signals when the power supply voltage is applied or by commands from an external PC via RS-485 interface;
- to feed to DONETS-SP (up to 10 pcs.) line signal +6dB (?1,5 V) with control of the communication line.
Computer communication with the siren DONETS-SA is carried out via RS-485 interface, which allows:
- to stop and start playback of the speech messages recorded in the siren memory;
- delete unnecessary speech messages from the siren memory;
- record new speech messages into the siren memory;
- read the siren self-diagnostic results;
- change the siren's network settings.
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