Position Measuring System; Teach-In - Burkert 8681 Guide Rapide

state). For details on the configuration - see Operating Instructions
Type 8681 (chapter "Safety position in case of bus failure").
Details on the IO Link design are provided in the Oper-
ating Instructions Type 8681, for download from the
Bürkert website at www.burkert.com
(search for: Type / Downloads)
The information required for configuration is pro-
vided also on the Bürkert website: Type / Downloads /
Software "Initiation Files EDS IODD" (ZIP file).
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english
Type 8681

Position measuring system

14 POSITION MEASURING SYSTEM
The recordable stroke range is between 0 ... 80 mm.
Three Teach-In buttons have been provided for comparison with the
actual stroke range. The position feedback is given as S1, S2, S3.
For the büS/CANopen and IO-Link design: The indication of
position feedback and (error) states by the device status display/
Top LED can vary depending on the selected display mode - see
the Operating Instructions Type 8681.
14.1

Teach-In

→
Open the housing (but not in an explosive atmosphere!).
→
Establish power supply.
→
Position the process valve at the lower switching position.
→
Depress the lower Teach-In button (T1) for approx. 1.5 seconds
(the corresponding LED will flash quickly three times). When this
position S1 has been saved, the corresponding LED will remain
continuously lit until the position of the piston is changed.
→
Afterwards, position the process valve at the upper switching
position to be recorded.
→
Depress the upper Teach-In button (T2) for approx. 1.5 seconds
(the corresponding LED will flash quickly three times). When this
position S2 has been saved, the corresponding LED will remain
continuously lit until the position of the piston is changed.
→
The process valve can now be moved into a third, defined
position.
→
Depress the middle Teach-In button (T3) for approx. 1.5
seconds (the corresponding LED will flash quickly three times).