From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
From Friday, April 19th (11:00 PM CDT) through Saturday, April 20th (2:00 PM CDT), 2024, ni.com will undergo system upgrades that may result in temporary service interruption.
We appreciate your patience as we improve our online experience.
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NI-9853 cRIO CAN模块的CAN1端口不能正常工作,而CAN0则正常。当我试图接通CAN1,我得到错误提示说是一般通信错误,或者说VISA 别名未找到。
导致NI-9853的CAN1端口故障最通常的原因是CAN1端口需要由CAN 总线供电。它意味着如果您没有对CAN1端口供电,CAN1就不会工作。CAN0端口通过cRIO机箱背板来供电。该NI-9853模块这么设计是因为如果两个CAN端口都从cRIO机箱背板来供电电话,它们将使用的功率将超过cRIO模块所允许的功率。
CAN1端口的设备引脚图显示有一个Vsup接线方式。该Vsup线需要连接到一个+8~+25V的电压供应。该模块上有一个图标来显示其引脚及如何连接到Vsup。
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