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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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May 10, 2017 · When comparing the physical layer only, CAN and RS-485 are similar in that they both use differential signaling. This gives them both good common mode noise immunity. The main difference is that RS-485 uses symmetric signaling. One line is 5 V and the other 0 V to signal one state, then flipped to 0 V and 5 V for the other state.
Jan 18, 2024 · CAN bus can be a preferable option if you require a real-time, high-speed communication protocol for an automotive or robotics application. RS485 can be a preferable option if you require a strong and dependable protocol for building automation or industrial automation.
Sep 21, 2020 · 1. The general trend even in automation is that CAN is (slowly) replacing RS485, or rather that CANopen is replacing Profibus. The main reason RS485 lives on isn't technical, but because it's adored by Siemens. It is true however that RS485 is more suitable than classic CAN for higher baudrates > 1Mbps. – Lundin. Sep 23, 2020 at 11:36. 1.
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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Dec 14, 2023 · December 14, 2023. Which is Better: CAN vs. RS485 for Serial Communication? In the world of serial communication protocols, two popular options stand out: CAN (Controller Area Network) and RS485. Both protocols are widely used in various industries for connecting devices and facilitating data exchange.
Jan 29, 2023 · CAN bus is a set of two electrical wires in the car network (CAN_Low and CAN_High), where the information is sent to and from ECUs. The network that allows Electronics Control Units (ECUs) to communicate is called Controller Area Network (CAN).
Sep 1, 2023 · Introduction. In the realm of industrial and automotive communication protocols, RS-485 and CAN bus frequently emerge as top contenders. Each system offers unique capabilities tailored...
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