What's the function of repeaters in fire fighting engineering?
When the faulty part of the bus is repaired, the isolator can work itself back, and the isolated part is re incorporated into the system. The relay module is installed at the front end of each branch circuit of the two bus circuit and will be automatically disconnected when the branch circuit is short circuited.
When the bus isolator is at fault, isolated bus part and the whole system will fail, to ensure that the rest of the system can work normally, and to determine the fault location of bus.
Relay module works in fire protection engineering: in the bus fire automatic alarm system, a local bus failure (such as short circuit) often occurs, resulting in the whole alarm system can not work properly.
