Burkert Type 8691 - Manual (Page 28)

28
Teach function
Body casing
Connection housing
Actuator
Transparent cap
Fig. 24: Open control head
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.
→
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.
→
Only for control heads without pilot valve:
When yellow pilot valve LED is lit, move actuator to upper end
position.
When yellow pilot valve LED goes out again, move actuator to
lower end position.
note!
damage or malfunction due to penetration of dirt and humidity.
▶ To observe degree of protection IP65 / IP67, screw the trans-
parent cap in all the way.
→
Close the device (assembly tool: 674077 7) ).
Status LED: flashes yellow
when teach function is running
Key in recess for actuating the
teach function (keep pressed
for approximately 5 seconds
Pilot valve LED (yellow)
Fig. 25: 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 and DeviceNet
communication.
7)
The assembly tool (674077) is available from your Bürkert sales office.
english
Type 8691