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MODBUS RTU instrument written in VB Newsletter sam
4.0
With VB prepared of and take Modbus RTU agreement communications of instrument directly communications of code, containing read and wrote, first first to set about communications serial and instrument of communications address then open communications switch, open Hou on can directly from instrument Shang read removed this cases program in the Rate parameter of numerical, click text box at not refresh data, entered a new of numerical then points modify on can from software end directly modify the parameter of numerical
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