The local controller sends steering order to field signal-acquisition equipments and receives test data from RS485 bus, thereby communication control of RS485 bus was realized.
本地主控机通过RS485总线向现场信号采集设备发送控制指令并接收采集的测试数据，从而实现对rs485总线通信的控制。
The local controller sends steering order to field signal-acquisition equipments and receives test data from RS485 bus, thereby communication control of RS485 bus was realized.
本地主控机通过RS485总线向现场信号采集设备发送控制指令并接收采集的测试数据，从而实现对rs485总线通信的控制。
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