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Burkert Type 8635 User Manual

Page 73

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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