Human-machine Interface
8-4
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
User program
User data bock AW-DB is the interface for the OP.
When control signals, single functions and single commands are set in the user
data block via the OP, they are immediately transferred to the FM by the
POS_CTRL block.
The signals written in “Operator Control and Monitoring” (requests to transfer the
data with Write as per Table 8-3) must be evaluated accordingly by the user pro-
gram (taking into account any user-specific interlocks) before setting the Write or
Read requests.
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