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6SF:ULWH
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6SF:ULWH has major functions:
- The instruction must be used in the beginning of the parameter measurement to
provide the statistical process controller with values for calculation of supervision limits. The example shows that 6SF:ULWH must be used 6 times before the
actual supervision starts (2 subgroups with 3 samples in each subgroup).
- When the supervision limits are calculated, 6SF:ULWH provides the statistical
process controller with samples dedicated for supervision. The example shows
that each subgroup of 3 samples will be evaluated (the supervision limits must
not be exceeded).
6\QWD[
SpcWrite
[ Descr ’:=’ ] < variable 9$5 of VSFGHVFU> ’,’
[ Value ’:=’ ] < expression 9$5 of QXP> ’,’
[ Status’:=’ ] < var or pers ,1287 of VSFVWDW> ’;’
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Described in:
90
Connects to a statistical process controller
Instructions - 6SF&RQ&RQQHFWVWRDVWDWLVWLFDO
SURFHVVFRQWUROOHU
Disconnects from a statistical process
controller
Instructions - 6SF'LVFRQ'LVFRQQHFWVIURPD
VWDWLVWLFDOSURFHVVFRQWUROOHU
Reads the current process status
Instructions - 6SF5HDG5HDGVWKHFXUUHQWSUR
FHVVVWDWXV
Dumps the process information on a file
or a serial channel
Instructions - 6SF'XPS'XPSVWDWLVWLFDOSUR
FHVVFRQWUROLQIRUPDWLRQ
Statistical process control data
Data types - VSFGDWD6WDWLVWLFDOSURFHVVFRQWURO
GDWD
Statistical process control descriptor
Data types - VSFGHVFU6WDWLVWLFDOSURFHVVFRQ
WUROOHUGHVFULSWRU
Statistical process control status
Data types - VSFVWDW6WDWLVWLFDOSURFHVVFRQWURO
VWDWXV
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