Burkert Type 8695 - Manual (Page 32)

32
Electricalinstallation24VDC
9.3 Teach function (calibrating the end position)
The teach function can be used to automatically determine and read in the end positions of the valve.
Danger!
risk of electric shock.
▶ Before working on equipment or device, 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.
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 rotational 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.
Body casing
Connection housing
Actuator
Transparent cap
Figure 19: Open control head
english
Type 8695