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修改时间 01-26-2019 11:00 PM
我们想使用CRIO-9040硬件设备面板上的RS485串口进行modbus总线通信，用于控制多路伺服电机，485采用双线制，有没有人可以提供例程或使用方法的说明？
修改时间 01-28-2019 12:20 AM
您好，
希望以下链接对您有帮助：
Modbus Communication Reference Example for cRIO
使用RS-485串行端口连接和配置两线设备
Introduction to Modbus using LabVIEW
MODBUS Library for LabVIEW
cRIO Modbus Slave Reference Library
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Thanks!
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