Switch the fire broadcasting system

Fire security design for garage, motor repair shop and parking area. Fire security alarm and explosion proof design for chemical factory, oil field etc.
vedard
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Joined: Wed Dec 05, 2018 12:27 am

Switch the fire broadcasting system

Unread post by vedard »

How can the fire alarm system speakers be used as background music or general broadcast in normal times? You just need to add an output module.
ZC1 (2), ZC2 (1): Background broadcasting signal input terminal, non-polarized.
XF1 (6), XF2 (5): Fire broadcasting signal input terminal, non-polarized
SP1 (4), SP2 (3): Voice box output terminal, non-polarized
ZC1, ZC2, and XF1, XF2, and SP1, SP2 adopt RVS twisted pair or BV wire, and cross section
Each output terminal of audio output line connects a 22UF/250V bipolar aluminum
electrolytic capacitor.
Automatic fire alarm system is a set of rigorous and complicated safety system. Fire alarm system includes fire detection alarm input, alarm system monitoring display and controller, alarm control output sound and light, linkage automatic fire control system. Modules are usually the Bridges that connect and control subsystems. There are usually input modules, output modules and input/output modules. Select the module and cable connection mode based on the connected system or device.
output module.JPG
output module.JPG (32.84 KiB) Viewed 525 times
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