Method for transmitting measuring values in a fire alarm system and apparatus for the performance of the aforesaid method

摘要: In a fire alarm system individual alarms are connected in series by reporting lines with central signal station. order to be able connect greater number of the or signaling and/or dispatch an increased amount current through lines, from last line returned back station form ring circuit loop. Upon absence signals at interrogation device is reversed, so that there can ensured event disturbance breakdown remainder still utilized for giving signal. The structured such during assembly inputs and outputs mutually interchanged.