● FdIni: If the starting position cannot be approached or the stroke
target cannot be achieved, "FdIni" is displayed. "FdIni" stands
for "failed PST initialization".
● rEAL: Set the sub-parameters "A1.STPOS" to "A5.RPMD" ac‐
cording to your requirements. Then start measuring the refer‐
ence stroke time by pressing the button for at least 5 seconds.
The display shows "rEAL" during these 5 seconds.
The device then moves to the configured start position automat‐
ically and executes the desired stroke. The current position in
percent is continuously shown on the display. "inPST" for "initi‐
alize partial stroke test" appears in the lower line of the display.
Factory setting: NOINI
AA.FACT1 - Factor 1
Setting range: 0.1 ... 100.0
Purpose: Use this sub-parameter to assign the factor to form threshold 1.
Set the factor in a range from "0.1" to "100.0". The threshold is the
product of the reference stroke time and "AA.FACT1". The process
to determine the reference stroke time is described under
"A9.PSTIN".
The threshold 1 message is displayed when threshold 1 is excee‐
ded. This message is only output if threshold 2 or 3 is not exceeded
at the same time. The process to activate and display this message
is described in the 'XDIAG' parameter.
Factory setting: 1.5
Ab.FACT2 - Factor 2
Setting range: 0.1 ... 100.0
Purpose: Use this sub-parameter to assign the factor to form threshold 2.
Set the factor in a range from "0.1" to "100.0". The threshold is the
product of the reference stroke time and "Ab.FACT2". The process
to determine the reference stroke time is described under
"A9.PSTIN".
The threshold 2 message is displayed when threshold 2 is excee‐
ded. This message is only output if threshold 3 is not exceeded at
the same time. The process to activate and display this message is
described in the "XDIAG" parameter.
Factory setting: 3.0
Parameter assignment
8.4 Description of parameters
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 167
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