Position Measuring System; Teach-In - Burkert 8681 Quick Start Manual

Terminal strip 2 Configuration (external initiator)
L Power supply - live conductor
S4 IN Input external initiator
N Power supply - neutral conductor
→
Close the housing.
→
Ensure IP protection (dummy plugs).
An external initiator can be connected using the small 3-pin terminal
strip 2 - see manual, chapter „Connection of an external initiator".
24
english
Type 8681
PositionMeasuringSystem
12. POSITION MEASURING SYSTEM
The recordable stroke range is between 0 and 80 mm.
Three Teach-In buttons have been provided for comparison with the
actual stroke range.

12.1. Teach-In

→
Open the housing (but not in explosive atmosphere!).
→
Supply electrical power.
→
Position the process valve at the lower switching position.
→
Depress the lower Teach-In button (T1) for approx. 1.5 seconds
(the LED corresponding to this position will flash quickly three
times during the teaching phase).
Once this position has been stored, 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 LED corresponding to this position will flash quickly three
times during the teaching phase).
Once this position has been stored, 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 LED corresponding to this position will flash quickly three
times during the teaching phase).
Once this position has been stored, the corresponding LED will
flash continuously until the position of the piston is changed.