This control panel allows the use of NO and NC sensors, turning the alarm on after 30 seconds after activation by switches S1m S2 and S3. The circuit is from old American documentation, but uses components that are still current.
This control panel allows the use of NO and NC sensors, turning the alarm on after 30 seconds after activation by switches S1m S2 and S3. The circuit is from old American documentation, but uses components that are still current.
