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

Correct Connection Method for RS-485 Networks

Correct Connection Method for RS-485 Networks

This article introduces the correct connection method for RS-485 networks, including suggestions for twisted pair wiring and proper installation of termination resistors. It lists the receiver waveforms under correct and incorrect termination. Configurations from simple single transmitter/multiple receiver networks to multiple transceivers and multiple branch circuits are provided. This article can serve as a basic … Read more