Teach Function (Calibrating The End Position) - Burkert 8695 Manuel D'utilisation

11. Teach funcTiOn (caliBraTing The end
pOsiTiOn)
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.
Danger!
risk of electric shock!
• Before reaching into the system, switch off the power supply and secure to prevent reactivation!
• Observe applicable accident prevention and safety regulations for electrical equipment!
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.
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.
→
Close the device (assembly tool: 674078
Key in recess for
actuating the Teach
function (keep
pressed for approx-
imately 5 seconds)
Figure 26: Teach function
important:
When the Teach function is activated the actuator cannot be actuated via the AS Interface communication.
The assembly tool (674078) is available from your Bürkert sales office.
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english
Type 8695

Teach function (Calibrating the End Position)

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