Burkert 8681 - Teach Functions Overview; Teach Functions and Reset

131
Position Measuring System
Teach buttons
T2
T3
T1
Electronic module 24 V DC Electronic module ASI
Fig. 47: Teach buttons on the electronic modules (in the example of the electronic modules for 24 V DC and AS-i)
20.2 Teach buttons / Teach functions
20.2.1 Teach functions and Teach reset
Theindividualvalvepositions/positionsS1toS3canbetaughtmanuallyviatheTeachbuttons(seechapter
„20.1“)andthesevalvepositionscanbereset(Teachreset).
Teach
button
Function Activation
duration
Optical feedback
T1 manual Teach function S1 1.5 s
Top-LEDashesquicklythreetimes,thencontinuously
in the encoded colour for position S1
T2 manual Teach function S2 1.5 s
Top-LEDashesquicklythreetimes,thencontinuously
in the encoded colour for position S2
T3 manual Teach function S3 1.5 s
Top-LEDashesquicklythreetimes,thenashesslowly
in the encoded colour for position S3
T1 +
T2
Teach reset of all valve
positions(S1,S2,andS3)
2.5 s Flashes in the fault colour - see chapter “21.2”
Furthermore, the Teach procedure can also be automated – the automatic Teach functions (Autotune func-
tions) programmed for this purpose are described in detail in the following chapters.
The5dierentautomaticTeachfunctions(Autotune)arepre-programmedforvariousprocessvalvetypes
(e.g.single-actingordouble-actingactuators,double-seatvalves,etc.)andforvariousstartingpositionsof
theprocessvalves(open,closed)-theautomaticTeachfunction(Autotune)beingusedmustbeselected
according to the process valve type and application.
The colour coding/colour assignment for the individual valve positions/positions are described in
chapter
“21.1.1DevicespecicLEDmode“8681ClassicMode””.
Thevalvepositions/positions(S1toS4)aswellasvariouserrorsandwarningsaredistinguishedbyvarious
“ashing patterns” – see chapter “21.2Flashingpattern&faultsignalling”.
english
Control Head Type 8681