Now I use HMI Wonderware InTouch 9.0 Communication via I/O server Siemens SINEC H1 CP 1413 To PLC 135U CPU928B
and I need to send string data from HMI to Data block of PLC
I create I/O Message Tag define item DB243DW02KS
after I try to send data but ! nothing chang in plc
thank you.