Dear sir,
Currently i am using S7-1200 PLC with CM-1242-5 i need to communicate with ABB DCS ( They want to READ data only ) on profibus.
I do the hardware configuration and mapping with transfer area address (created in properties of cm 1242,transfer area option).
Address is QD300.
But in diagnosis buffer show new i/o access error.
please provide me a sample program or guidelines for the same.
Thanks
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