Burkert Type 8635 - Manual (Page 73)

8635 - 71
O
PERATING AND
C
ONTROLLER
F
UNCTIONS
Effect of limitation of the opening speed after a step in the setpoint
X.TIME
Limitation of the correcting speed
Factory setting: 1 s
Opening time for the entire stroke (in seconds)
Closing time for the entire stroke (in seconds)
If the correcting speed is to be limited, values can be entered for T.OPN and T.CLS that lie between the
minimum values determined by X.TUNE and 60 s.
NOTE On execution of the function X.TUNE, the minimum opening and closing times are entered
automatically for T.OPN and T.CLS for the entire stroke. In this way, the maximum speed
can be run.
XX
XX
Valve stroke [%]
(POS, CMD)
Setpoint
Actual
value
T.OPN
t
NOTE If AUTOTUNE determines correction times < 1s, X.TIME will be copied automatically into
the main menu and the corresponding value set to 1 s.
X-TIME T.OPN XX
T.CLS XX