Correct Understanding of Common Misconceptions in RS-485 Wiring

Correct Understanding of Common Misconceptions in RS-485 Wiring

The RS-485 bus is widely used in various fields such as video surveillance, access control intercom, and building alarms due to its simple wiring and reliable stability. However, many problems arise during the wiring process of the RS-485 bus due to various inaccurate concepts. Here, we clarify some common misconceptions. 1 485 signal lines can … Read more

Why Use Twisted Pair for CAN/RS-485 Communication

Why Use Twisted Pair for CAN/RS-485 Communication

In applications such as CAN and RS-485, it is generally recommended to use shielded twisted pair cables for networking and wiring to reduce external interference on bus communication. Many engineers understand this recommendation but do not know the underlying reasons. This article will briefly introduce the principle of interference resistance in twisted pair cables. 1Differential … Read more