This thread has been locked.
If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.
May I ask why the signal at the end of the data is much higher than the signal at the front when 3 devices are connected on the CAN BUS line?
As shown in the figure below, the error will reach 0.9V. Can several CAN BUS be connected online at the same time?
If there are too many, will it affect the CAN BUS communication? Thank you!
您好,
当总线上的多个节点同时处于显性状态时,差分电压的振幅高于仅由主发射器节点驱动的其他位,这是正常的现象,网上有关于此问题的一些描述和解释,您可以具体看下:
https://www.diangongwu.com/dianzi/16506.html
关于CAN总线可以挂接多少节点,下面文档的第9点有对节点限制的说明,同时第14点也有对有的位电平偏高原因的说明: