Hello, I use Roclink protocol to get some data from my Floboss 407 and have a question how to correctly send a query to the device to get data with opcode 130. For example, I am wanna get the last 60 values from history. For this except "point number" and "number values requested"(hex 3C), I need "starting history pointer". How is get this "starting history pointer"?
For example query structure: unit(01) group(02) unit(03) group(01) opcode(hex82 dec130) length(05) ram area(00) point number(FE) number values requested(3B) starting history pounter(0D 03) check sum(D6 E3)
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