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Description
Table 1: Diagnostic functions and test analysis
Diagnostic functions
Statistical information
Open/Close
Data logger
Travel histogram
Set point
deviation
histogram
Cycle counter
histogram
Drive signal
diagram
steady-state
Drive signal
diagram
hysteresis
Trend of travel
end position
• Full scope of functions
¡ Function is performed, but not analyzed
– Function is not performed
12
Open/Close
Control
(on/off)
valve
valve
1)
–
•
•
•
•
¡
•
•
•
•
•
¡
•
¡
•
•
Analysis
Breakaway time
Transit time
Valve end position
Depending on trigger status
selected
Shifting working range
Working range
Limit working range
Connection positioner-valve
Inner (seat) leakage
Average set point deviation
Stuffing box/external leakage
Dynamic stress factor
Air supply
Leakage pneumatics
Actuator springs
Friction
External leakage perhaps
soon expected
Observing end position
Zero shift
See section
3.1, page 21
3.2, page 25
3.3, page 30
3.4, page 33
3.5, page 37
3.6, page 41
3.7, page 45
3.8, page 51
EB 8389S EN
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