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- RS485 employs point-to-point communication, whereas CAN uses bus-based communication. While RS485 can accommodate more nodes on a single communication connection and operate over longer distances than CAN, CAN offers superior speed and bandwidth.
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Current market trends show an ever-increasing adoption of CANbus, even replacing the RS-485 in traditional industrial applications. According to available market reports, CANbus usage is growing at a high single-digit rate, which is exceptional for the interface market.
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May 10, 2017 · The main difference is the bus arbitration of CAN, which means that the network topology is flexible and there is no need for a master to control traffic. In RS-485 there is no built-in mechanism to toggle who gets to send, meaning that RS-485 tends to end up in a star network topology centred around a master.
Apr 25, 2022 · Though RS-485 port is still added to many new-age technologies, CAN feature such as arbitration, error-message checking, improved bandwidth, and a larger data field have accelerated the demand for CAN bus, even in the industrial market.
Mar 5, 2018 · Join Dave and Bob as they explore the similarities and differences between two key serial interface protocols, Controller Area Network (CAN) and RS-485.
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Jan 27, 2021 · Jan 27, 2021. Both RS-485 and CAN interfaces have been around since the mid-1980s. For a long time, each of them was developing on its own without affecting each other. But as time passed, the...
Jan 18, 2024 · A comparison of CAN Bus VS RS 485. The communication method, speed and bandwidth, topology and distance, fault tolerance and dependability, cost and complexity, and applications are where CAN Bus VS RS 485 diverge most. RS485 employs point-to-point communication, whereas CAN uses bus-based communication.
Jan 18, 2024 · INTRODUCTION. Communication protocols are essential for establishing connections between devices and for effective data interchange in industrial and automation applications. The Recommended...
