The bus system in fire control system strung smoke alarm, temperature alarm is the core.
Green is the 2 line is a telephone line; purple radio line, is 2 lines; the blue dotted line is part of the warning line and line together, is that a sound and light alarm, the rest is only the alarm line, blue connection at the hand, the fire hydrant button is 2 root alarm line,
The analog input module that is, referring to the host to host signal can only be called input, analog signal interface, the host is given action, that is the switch quantity output module (24V linkage control line is called the power line, the output of the host control action), that is motor control; alarm line is 2, also called the alarm 2 bus, no polarity, polarity of the power line, note the negative,
In accordance with fire regulations, detectors, alarm buttons, sound and light alarms, modules and other alarm functions are shared alarm 2 bus, that is, the alarm line;
