problem in modbus tcp/ip communication

dardary

Member
D
Join Date
Oct 2006
Location
il
Posts
11
hi
i have plc that communicat with tach screen (EZ-500 maple-system silver line)
they connacated in enternet cable in modbus protocol
when i write word to plc the register change but the display retrun to old display in the plc i do'nt have program.
what i have to config to set it up?
 

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