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an Lüftungs- und Feststellanlagen in
- Concealed connection terminals
Connections: 1x ventilation button 230 V AC
Insects through a very fine mesh
as a higher-level alarm trigger
Siemens FDCIO222 DC-Modul 4-IN / OUT siemens an Lüftungs- und Feststellanlagen inFor switching on 4 independent, potential free work or rest contacts for reporting technical conditions (e. g. door or ventilation control) or for triggering alarms (e. g. sprinkler alarm). 4 inputs for potential free signaling contacts. The input lines are checked for interruption and Short circuit monitored (terminating resistors). The inputs are independent of each other via the Fire alarm control panel can be configured for status or alarm
