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Code
Parameter – Readings/
no.
values [default setting]
Note: Codes with marked with an asterisk (*) must be enabled with Code 3 prior to configuration.
49* d3 Step end
0.0 to 100.0 %,
[90.0 %]
d4 Activation of ramp
function
YES
[No]
,
d5 Ramp time (increasing)
0 to 9999 s, [60 s]
d6 Ramp time (decreas-
ing)
0 to 9999 s,[600 s]
d7 Settling time before
starting test
[1.0] to 240.0 s
d8 Waiting time after step
change
1.0 to 240.0 s [2.0 s]
d9 Scan time
[0.2] to 250.0 s
E
Cancelation conditions of the partial stroke test (PST)
E0 Activation x control
[No], YES
E1 x control value
–10.0 to 110.0 % of
total travel,
[0.0 %]
E2 Unassigned
E3 Unassigned
EB 8389S EN
Description
Stop value for step response
Activates or deactivates ramp function.
Ramp time for 0 to 100 % travel (increasing) of ramp function
Initialization provides a sensible value that is not to be undercut, if
possible.
Ramp time for 100 to 0 % travel (decreasing) of ramp function
Initialization provides a sensible value that is not to be undercut, if
possible.
Waiting time before test is started to ensure that value for step start
can be reached safely.
Waiting time between first step change and start of second step
change
Scan time of step response measurement
Activates or deactivates x monitoring.
The test is canceled when the valve position
– falls below the adjusted value (step end < step start)
– exceeds the adjusted value (step end > step start)
Appendix
87
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