Samson 3730-3 Operating Instructions Manual page 17

Table 1: Diagnostic functions and test analysis
Diagnostic
functions
Statistical information
Open/Close
1)
Data logger
3), 5)
Valve position x
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
EB 8389 EN
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
1), 2), 3), 5)
External leakage perhaps soon
expected
Observing end position
Zero shift
Not Type 3730-4
1)
Not Type 3730-5 (1.5x)
2)
Not Type 3730-5 (1.6x)
3)
Not Type 3731-3
4)
Not Type 3731-5
5)
Operation
See section
4.1,
page 27
4.2,
page 31
4.3,
page 37
4.4,
page 40
4.5,
page 45
4.6,
page 49
4.7,
page 53
4.8,
page 59
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