11.2.4.32 Diagnostic value '49.WT00' ... '56.WT95' - Number of operating hours in the travel range
WT00 to WT95
Display range: 0 ... 4.29E9
Purpose: When the positioner is in "Automatic" mode, statistics are continu‐
ously maintained regarding the duration for which a process valve
is operated in a particular section of the travel range. The entire
travel range is divided into 8 sections from 0 to 100 %. The posi‐
tioner records the current position continuously and increments the
runtime meter assigned to the corresponding travel range every
hour. This helps in drawing conclusions about the past operating
conditions and especially in assessing the control properties of the
control loop and the entire control valve.
Travel range WT00 WT05 WT10 WT30 WT50 WT70 WT90 WT95
Travel range section [%] - ≥ 5 ≥ 10 ≥ 30 ≥ 50 ≥ 70 ≥ 90 ≥ 95
< 5 < 10 < 30 < 50 < 70 < 90 < 95 -
Division of travel ranges
You can simultaneously set the eight operating hours counters to
zero.
TIP: Since the travel ranges are provided at the end of the diag‐
nostics parameters, press the button several times along with
the button. This will help you to access the desired diagnostics
parameters faster.
11.2.4.33 Diagnostic value '57.LKPUL - Length of the leakage compensation pulse'
Display range: -256 ... 0 ... 254
Purpose: This value in milliseconds indicates the length of a compensation
pulse when Monitoring/compensation of pneumatic leakage 'C.\
\LEAK' (Page 170) is active. The sign indicates the control direction
of the pulse.
Factory setting: 0
11.2.4.34 Diagnostic value '58.LKPER - Period of the leakage compensation pulse'
Display range: 0.00 ... 600.00
Purpose: This value in seconds indicates the period of the leakage compen‐
sation pulses when Monitoring/compensation of pneumatic leak‐
age 'C.\\LEAK' (Page 170) is active.
Factory setting: 0.00
Diagnostics and troubleshooting
11.2 Diagnostics
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE 227
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