Hi, does anybody know, what means error message on simatic OP7: "$551 AS address 2 not possible"?
I've got this message after downloading a programm into a new OP7.
Did I do something wrong? Is it possible to fix the operational panel? Thank You.
I've got this message after downloading a programm into a new OP7.
Did I do something wrong? Is it possible to fix the operational panel? Thank You.