T Each Function (Calibrating The End Position) - bürkert 8691 Bedienungsanleitung

Type 8691
Device-Net
10.12. Teach function (
The teach function can be used to automatically determine and read in the end positions of the valve.
For the bus variant DeviceNet, the Teach function can also be started via the bus protocol (see "10.12.1.
Starting the Teach Function").
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 power supply and
• connect the compressed-air supply.
Procedure:
→
Open the control head: turning the transparent cup anti-clockwise.
→
The k ey in recess for actuating the Teach function keep pressed for approximately 5 seconds.
→
Close the device.
Figure 35: Teach function
When the Teach function is activated the actuator cannot be actuated via the DeviceNet communication.
calibrating the end position)
Status LED:
flashes yellow when Teach function is running
Key in recess for actuating the Teach function (keep
pressed for approximately 5 seconds
Chronological description of the Teach function:
• the bottom position is read in internally
• the pilot valve switches
• the actuator moves automatically to the
• the top position is read in internally
• the pilot valve is turned off
• the actuator moves back to the home position
top position
english
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