Vedard Security Alarm Technical Support

Bus connection system is the system connection mode used by fire alarm and security alarm system. The bus link system connects a number of detectors to a line in series. One bus can reach a distance of 800m-1km. It can be equipped with 128 detectors, each detector has its own address. The alarm can directly display the address of the detector and indicate it on the electronic map.

There are a few things to note about bus connections.
The bus signal cable must be RVV2*1.0 oxygen-free copper parallel power cable (not shielded cable or twisted pair cable). The power cord shall be parallel with 2*0.75 oxygen free copper. For hand-in-hand cabling, the distance between branch line and main line should not exceed 5 meters. (Series connection)

Bus Line Wiring Requirements. 1, AS-9000 series alarm control panel adopts RS485 bus line, wiring to meet RS485 specifications. The signal line is ...With bus system security installation, just 2 wires click test can equip more than 200 detectors. Security solution is tailored and the best one is the one most suit for ...For most sensors, 22 AWG is the nominal gauge due to their extremely low current draws. The other most common security wire gauge is 18 AWG, which is used for higher power consumption devices like sirens or transformers.Plus, head over to our list of top 10 alarm system companies to get the best providers in the market. Before jumping into our overview, here is a more in-depth analysis of the 3 main types of alarms you may be looking for: fire alarm, burglary alarm, and intrusion detection.