Burkert 8695 Guide Rapide page 24

10. Teach funcTion
The teach function can be used to automatically determine and read
in the end positions of the valve.
For the bus variant AS Interface, the Teach function can also
be started via the bus protocol.
10.1. s tarting the Teach function
(calibrating the end Position)
necessary requirements:
Before you can actuate the Teach function, you must
• mount the control head on the actuator,
• connect the supply voltage and
• connect the compressed-air supply.
Procedure:
→
Open the control head: turning the transparent cap
anti-clockwise.
→
The key in recess for actuating the Teach function keep pressed
for approximately 5 seconds.
→
Close the device (assembly tool: 674078
The assembly tool (674078) is available from your Bürkert sales office.
4)
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).
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english
Type 8695
Teachfunction
note!
damage or malfunction due to penetration of dirt and humidity!
• To observe protection class IP65 / IP67, screw the transparent
cap in all the way.
Key in recess for
actuating the Teach
function (keep
pressed for approxi-
mately 5 seconds)
Fig. 14: Teach function
Chronological description of the Teach function:
• the bottom position is read in internally
• the pilot valve switches
• the actuator moves automatically to the top position
• the top position is read in internally
• the pilot valve is turned off
• the actuator moves back to the home position.
important:
When the Teach function is activated the actuator cannot be
actuated via the AS Interface communication.