Burkert 8691 - Page 34

34
Start-up
Pilot valve LED (V)
Status LED (red)
Status LED (green)
Button to start the teach
function
Figure 26: Starting teach function
→ Hold down the button to start the teach function for approx. 5 s until the red status LED blinks.
→ When the red status LED starts blinking, release the button within 5 seconds.
When the red status LED stops blinking, the teach function is terminated.
Theendpositionsofthevalvehavebeenidentiedandsaved.
→ Check that the seal (body casing) is in the correct position.
NOTE
Damageormalfunctionduetoingressofdirtormoisture.
To observe the degree of protection IP65 or IP67:
▶ Screw in body casing to the stop.
→ Close the device (wrench*: 674077 ).
Description of workow for teach function:
The status LED blinks red when the teach function is running.
• The end position is scanned in.
• The pilot valve switches.
• The actuator moves automatically to the upper position.
• The upper end position is scanned in.
• Thepilotvalveisswitchedo.
• The actuator moves to the lower position.
• In order to determine the opening time and the closing time, the actuator moves again into the upper and
lower end position.
* The wrench (674077) is available from your Bürkert sales oce..
english
Type 8691, Rev. 2