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.
2端口,PCI,RS485/RS422串行仪器控制设备—PCI‑8431/2是一款高性能接口,用于与RS485和RS422设备进行高速通信。 它具有高性能DMA传输、多线程和多处理器支持。 用户可选择4线或2线收发器模式来实现全双工或半双工通信。 NI串行接口也可作为标准COM端口,以便兼容使用串行通信的程序。