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SIMATIC TD 200 Operator Interface
C79000-G7076-C272-01
You can abort an edit at any time by pressing ESC. This causes the TD 200 to
reread the message from the CPU and to display the variables from the CPU.
When the edit session is aborted, any values that have already been sent to the
CPU (by pressing the ENTER key after modifying the value) are displayed; any
value that was modified but not saved is overwritten by the previous (original)
value.
When you abort an edit, the cursor returns to the left-most character of the
message. (The message is not removed from the display until all of the edits are
completed and written to the CPU.) If the message was configured for
acknowledgement, the message starts to flash again, since the edit was not
completed.
Note
An edit is automatically aborted if you do not press a key after one minute.
Acknowledging a Message
Some messages require acknowledgement. To acknowledge a message, move the
cursor to the first character of the message and press ENTER. Messages requiring
acknowledgement are not replaced on the display until you acknowledge the
message.
Messages that do not require acknowledgement or editing are replaced on the
display if a higher priority message is enabled by the S7-200 CPU. For more
information on acknowledging a message, see Section D.5.
Operatin
the TD 200
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