Modes and Jobs
9-30
FM 351 Positioning Module
C79000-G7076-C351-02
9.8 Enable input
Definition
The enable input is an external input with which a positioning operation can be
enabled as a result of an external event.
Evaluating the Enable Input (EI_OFF=0)
The relevant enable input (xI2) must be wired for the channel.
This allows you to prepare the start of a positioning operation.
You start the positioning operation independent of the execution of your user
program by applying a “1” signal to the enable input.
Travel starts when you apply a “1” signal at the enable input and is stopped when
you apply a “0” signal to the enable input.
Do Not Evaluate Enable Input (EI_OFF=1)
When you deactivate the evaluation of the enable input, an operating mode starts
immediately after detection of the start signal. It is then not possible to prepare an
operating mode and to start it at a defined later point in time.
Data Used in the Channel DB
Address Name Type Initial Value Comment
34.2 EI_OFF BOOL FALSE 1 = do not evaluate enable input
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