Lenze E94AYFLF Digital frequency module - Manual (Page 31)

EDS94AYFLF EN 3.2 - 10/2010
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Digital frequency extension module | Parameter setting & configuration
Digital frequency output
System block "LS_TouchProbeDFOUT"
3.5 System block "LS_TouchProbeDFOUT"
The system block LS_TouchProbeDFOUT provides the touch probe signals of the digital
frequency output of the optional digital frequency extension module in the FB editor of the
»Engineer«.
 The touch probe is triggered when a zero pulse occurs on track Z - Z.
 In
C13061 / C14061 a delay time can be set for the touch probe.
 When a touch probe has been triggered, the output DFOUT_bTouchProbeReceived is set
to TRUE for one cycle of the task in which the SB is being processed.
Outputs

Tip!
Detailed information on touch probe processing can be found in the online
documentation for the controller in chapter "I/O terminalsTouch probe
detection".
Output
Data type
Value/meaning
DFIN_dnTouchProbeTimeLag
DINT
Scaled time stamp for further processing of the touch probe event with the
FB L_SdTouchProbe.
DFOUT_
bTouchProbeReceived
BOOL
Status signal "Touch probe detected"
• Status is only pending for one cycle of the task in which the SB is being processed.
TRUE Touch probe event has been triggered.
DFOUT_bTouchProbeLost
BOOL
Status signal "Touch probe(s) lost"
• Status is only pending for one cycle of the task in which the SB is being processed.
TRUE More than one touch probe event has been triggered within the task
runtime and could therefore not be registered anymore.
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