I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data transmitted and received?

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  • GLOBAL > PLC > SPH > Communication (Ethernet) > I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data...
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I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data transmitted and received?

I want to read and write memory blocks with loader commands by using Ethernet to connect between SX. Is there any limitation to the amounts of data transmitted and received?
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Answer

The amounts of data transmitted or received are not limited as R_WRITE instruction/R_READ instruction but by the capacity of the memory from/to which data are read/written.
Arrays are used for reading. The size of an array has an upper limit set by the CPU. The numbers of words shown below are those for a 16-bit array.
SPH300_ 4096 words
SPH2000/3000_ 32768 words
SPH200_ Depends on the memory area used

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