Siemens SIMATIC FM 353, Manual

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Description of Functions
9-45
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0
Callup of single commands
The single commands are activated when the corresponding data record is trans-
mitted to the FM 353.
The commands are deleted in the FM 353 after execution.
Activate machine data
Once you have downloaded the machine data (MD) or the MD block (from the pro-
gramming device), the machine data have to be activated. At the first parameter-
ization, the machine data is transferred automatically. In terms of effects, the
FM 353 distinguishes between “K” and “E” machine data.
MD category Effect in FM 353 after activation
“K” “Reset” of the FM
S
As long as “Reset” is in progress, it is not possible to transfer
other data
S
For internal response, see Restart
“E” FM operating condition is maintained
For machine data, see Section 5.3.1.
This command is possible only when the axis is not in motion (“Processing in prog-
ress” = 0). An operating mode must be selected.
An MD block is likewise activated by switching on or off.
Delete residual path
You can use this command to delete a residual distance that remains after a job
has been canceled.
S Effective only in “Incremental Relative”, “MDI”, and “Automatic” modes after a
stop (SFG = 1 and BL = 1). If processing is not interrupted with a stop, the “De-
lete Distance to Go” request is suspended in the FM 353.
S On starting after a Delete Residual Distance in MDI mode, the active MDI block
is processed from the start.
S On starting after a Delete Residual Distance in Incremental Relative and Auto-
matic modes, processing continues with the following block.
Automatic block advance
This command is described in Section 9.2.6.
Automatic block return
This command is described in Section 9.2.6.