Burkert Type 8695 - Manual (Page 24)

24
Teachfunction
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 starting 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.
Danger!
danger due to the valve position changing when the teach
function is running.
When the teach function is running under operating pressure,
there is an acute risk of injury.
▶ Never run the teach function while a process is running.
▶ Secure system from unintentional activation.
Procedure:
note!
Breakage of the pneumatic connection pieces due to rota-
tional impact.
▶ When unscrewing and screwing in the transparent cap, do not
hold the actuator of the process valve but the connection housing.
Body casing
Connection housing
Actuator
Transparent cap
Fig. 19: Open control head
→
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.
english
Type 8695