hello
i have a s7-200 plc connected to a hitech pws5600 hmi but the hmi shows this message "com1 connection" and does not respond .
i checked the link cable it is ok and i'am suspecting the port on the hmi .am i wrong or right please help me ?
hitech pws5600t-s hmi and s7-200 plc com problem
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sukhoi
- Posts: 38
- Joined: Thu Nov 17, 2011 11:26 am