Explosion-Proof Voice Fire Alarm Donetsk-SA for Hazardous Area Notifications

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: <ul> <li>- 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;</li> <li>to feed to DONETS-SP (up to 10 pcs.) line signal +6dB (?1,5 V) with control of the communication line.</li> </ul>Computer communication with the siren DONETS-SA is carried out via RS-485 interface, which allows: <ul> <li>- to stop and start playback of the speech messages recorded in the siren memory;</li> <li>delete unnecessary speech messages from the siren memory;</li> <li>record new speech messages into the siren memory;</li> <li>read the siren self-diagnostic results;</li> <li>change the siren&#039;s network settings.</li> </ul>