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MPH-02, MPB-02, MPD-02
Activating the Measurement
Single Measurement
Continuous Measurement
Identifying the Measured Value
Detection
Setting the "Expectation
Window"
Resetting
DOK-INDRV*-MP*-02VRS**-FK01-EN-P
Activate the measured value detection via S-0-0170, Probing cycle
procedure command, then enable the respective probe input for
measured value detection via
• S-0-0405, Probe 1 enable or
• S-0-0406, Probe 2 enable.
Every repeated "single measurement" has to be enabled by resetting and
repeatedly setting S-0-0405 or S-0-0406.
If enabling of the probes via S-0-0405 or S-0-0406 has been set with
"continuous measurement", a measured value is stored at every
measured value trigger. How many measured values were stored by
positive or negative trigger of the respective probe, is contained in the
status information on the measured value trigger (see below "identifying
the measured value detection").
When a measuring event took place, the measured value trigger status is
updated, i.e. the value of the respective parameter is incremented,
starting with the value "0":
• S-0-0409, Probe 1 positive latched
• S-0-0410, Probe 1 negative latched
• S-0-0411, Probe 2 positive latched
• S-0-0412, Probe 2 negative latched
The corresponding measured value is stored in:
• S-0-0130, Probe value 1 positive edge
• S-0-0131, Probe value 1 negative edge
• S-0-0132, Probe value 2 positive edge
• S-0-0133, Probe value 2 negative edge
In addition, after detection of a new measured value the difference from
the measured values of the positive and negative edges is automatically
generated and the absolute value is stored:
• P-0-0202, Difference probe values 1 (|S-0-0130 - S-0-0131|)
• P-0-0203, Difference probe values 2 (|S-0-0130 - S-0-0131|)
Note:
The differences from the measured values of the positive and
negative edges are always generated, even if only one edge
polarity has been activated for the measured value trigger!
The differences are then generated compared to the value "0".
Set the limits of the "expectation window" taking the minimum value and,
if necessary, the maximum value (for modulo scaling) into account:
• P-0-0204, Start position for active probe
• P-0-0205, End position for active probe
If the option "marker failure monitor" has been activated, the number of
times the "expectation window" is passed through without probe event is
displayed in:
• P-0-0224, Probe, number of marker failures
The measuring data, the measured value trigger status and the
information on the marker failure are cleared by writing data to:
• S-0-0405, Probe 1 enable
• S-0-0406, Probe 2 enable
• S-0-0170, Probing cycle procedure command
Extended Drive Functions
9-7
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