Samson 3374 Series - Measuring the Transit Time

EB 8331-4 EN 8-11
Operation
8.4.6 Measuring the transit time
Risk of injury due to the actuator stem extending or retracting.
Î Do not touch or block the actuator stem.
The process is disturbed by the movement of the actuator stem.
Î Do not perform the transit time measurement while the process is running. First isolate the
plant by closing the shut-off valves.
Duringtransittimemeasurement,theactuatorstemmovesfromitscurrentpositiontothe0%
endposition.Startingfromthe0%endposition,theactuatorstemmovestothe100%end
positionandbackagaintothe0%endposition.Thetransittimeismeasuredduringtheup
and down strokes and the average transit time calculated.
After the measurement is completed, the actuator returns to the operating mode last used.
The 0% and 100% end positions depend on the operating direction used (see the 'Start-up
and conguration' section).
Code Description Adjustment range
d61 Start transit time measurement RUN
d62 Measured transit time in s
u Read only
d63 Measured travel in mm
u Read only
d64 Speed level
u Read only
Î The transit time measurement can be canceled at all times by selecting ESC.
WARNING
!
NOTICE
!
Note