The read pointer is connected to the memory bank for addressing a second memory location to read a datum stored therein onto an output data bus. 所述读取指针连接到存储体,用于寻址第二存储器位置,以将存储在其中的数据读取到输出数据总线上。
The paper detailedly introduces kinds of addressing methods, addressing process and addressing pointer format of Programmable Logic Controller, indirect addressing is specified by example of programme. 本文详细介绍了PLC寻址方式的种类、寻址过程和地址指针格式,并用例程对间接寻址进行了说明。