There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch. It functions as a typical annunciator sequence per Instrument Society of America
Sequence A, automatic reset, as described below:
There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch
There are three summary relays, one for each alarm level, an audible buzzer and an Acknowledge push button switch |