Dog Xiaowang ~Wang~ Lazy cat, the neighbor installed a set of Hikvision “Wireless Alarm Kit”, look how happy those dogs are playing, why don’t we install it? ~Meow~ Stupid dog, don’t you see how big the owner’s house is? There is a small vault underground, and wireless cannot cover it, so let us guard the … Read more
Fire Alarm System Multi-Line and Bus System Fire alarm system bus system instance diagram. The so-called fire alarm system multi-line refers to each detector (device) having an independent signal circuit with the controller, and the detectors (devices) are independent of each other, with all detection signals being input to the controller in parallel. In simple … Read more
Bus System refers to all device nodes, such as zone modules and alarm devices, being connected to two communication lines. Regardless of how many devices there are, they can share these communication lines. Branch System means that all connected devices must use independent communication lines to connect to the host. For example: When an alarm … Read more
In bus systems, both RS-485 and CAN-bus are commonly used buses, each with unique characteristics and application scenarios, widely applied. Today, let’s discuss their differences. 1. What is RS-485? RS-485 is a serial communication protocol that has been around since the mid-1980s, originally defined for industrial market applications. It uses differential signaling with negative logic, … Read more