Modular Data Acquisition
Distributed Measurement and Control
High-Performance Test
Automated Test System Development Software
Perspectives showcases how NI sees what’s next in the world of test and technology.
You can request repair, RMA, schedule calibration, or get technical support. A valid service agreement may be required.
Provides support for NI data acquisition and signal conditioning devices.
Provides support for Ethernet, GPIB, serial, USB, and other types of instruments.
Provides support for NI GPIB controllers and NI embedded controllers with GPIB ports.
修改时间 05-03-2023 10:05 PM
工控机上连接有一个 串口的扫码枪，想要增加一个 扫码枪是否已连接 的指示灯 提示：之前是把串口是否打开作为判断条件，但是这样只能检测串口是否存在 无法检测扫码枪是否存在请问有什么方法实现吗？
修改时间 05-24-2023 10:11 PM
串口扫码枪做初始化只能串口配置判断包不报错来判断初始化，要么就在固定位置放一个条码然后发送读取指令 收到了表示可以了
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