Bus control, multi-line control, and dedicated line control will be explained here. Many exam candidates do not understand what multi-line control is, what bus control is, and what dedicated line control is. Without understanding the wiring methods, it is difficult to answer questions correctly. Today, we will elaborate on these concepts. 1. Bus Control As … Read more
In the study of fire alarm systems, we encounter the concepts of “bus control panel” and “multi-line control panel”. So what is bus control? What is multi-line control? What fire protection equipment do they control? Let’s take a detailed look. The so-called fire alarm system multi-line control means that each detector (device) has an independent … Read more
Bus control, as the name suggests, involves a single bus circuit connected to multiple devices. As shown in the figure below, all smoke exhaust outlets in the same smoke control zone can be controlled by a single bus control line. By pressing one button on the bus control panel, all smoke exhaust outlets can be … Read more