The role of fire controller shielding
Fire alarm automatic fire alarm controller is the heart of the system, to probe power, has the following functions:(1) used to receive fire signals and start fire alarm devices. The device can also be used to indicate fire locations and record relevant information.(2) fire alarm signal can be started through fire alarm transmission device or automatic fire extinguishing equipment and fire fighting linkage control equipment can be started by automatic fire extinguishing control device.(3) the correct operation of the automatic monitoring system and the sound and light alarm for specific faults.
The role of fire controller shielding: shield some technical failure alarm which is not related to the system.Fire control device shielding reserve point role: backup with - can be set in advance, with time extraction.
Warning lamp: red, in the early warning allow state, the controller detects the external detector in the alarm state, this light is bright, the specific information is shown in the lcd. Warning to fire or warning, clear or reset controller, this light goes out.Monitor light: red, this light indicates that the controller detects the monitoring signal of external equipment, and the system is in the state of supervision. After resetting the controller, the light goes out.Light shield: yellow, when the external device (detector, module or fire display panel, the machine alarm) when a fault occurs, it can be masked, to be repaired or replaced, then cancel the shielding function recover equipment. This light is on when the shielding device is present.Alarm start light: red, when the alarm is on, the light is lit and the lamp goes out when the alarm or alarm is stopped.The fire alarm transmission action / feedback: red, when the fire alarm information transmission system, the flashing lights, when receiving fire alarm transmission equipment after the feedback signal light transmission; new fire alarm information, the light is shining again. The lamp reflects the latest status of information transmission.Work light: green, when the controller is working, the light is lit.
