S7-300 to Proface GP4301TAD via MPI

Ramsri

Member
Join Date
Apr 2014
Location
coimbatore
Posts
40
Hi all,
I am trying to communicate S7-30(CPU 315-2-DP) with proface HMI, Communication has been established while reading MW,Memory bits & outputs. but whenever trying to read Data blocks, i am facing RHAA036. Anyone has solved this issue?




PS: Program is already developed & the data blocks are available in PLC & i have replaced the old model HMI into new model. The Project has so many DB's.


Ram
 

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