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Name:

TxByte1 to TxByteN

RxByte1 to RxByteN

(The value the number N is different depending on the bus controller model used.)

 

名称:

TxByte1 to TxByteN

RxByte1 to RxByteN

(数字N的值根据所使用的总线控制器模型而不同)

 

The Tx and Rx bytes are cyclic registers used to transport the payload data and the necessary control bytes. The number of active Tx and Rx bytes is taken from the configuration of registers OutputMTU and InputMTU, respectively.

In the user program, only the Tx and Rx bytes from the CPU can be used. The corresponding counterparts are located in the module and are not accessible to the user. For this reason, the names were chosen from the point of view of the CPU.

•"T" - "Transmit" →CPU transmits data to the module.

•"R" - "Receive" →CPU receives data from the module.

 

Tx和Rx字节是用于传输有效载荷数据和必要的控制字节的循环寄存器。活动的Tx和Rx字节的数分别取自寄存器 OutputMTU 和 InputMTU的配置, 在用户程序中，只能使用来自于CPU的Tx和Rx字节。相应的对应部分位于模块中，用户无法访问。出于这个原因，这些名称是从CPU的角度选择的。

•"T" - "发送" →CPU 传输 数据到模块

•"R" - "接收" →CPU 从模块接收 数据