Burkert Type 8691 - Manual (Page 28)

28
Electricalinstallation24VDC
Valve connection Jumper for assignment of Top LEDs
IN 1
IN 2
24 V
Valve
+
-
+
-
Screw terminals
End positions
Screw terminals
Supply 24 V DC
Screw terminals
Valve (control)
ye gn
To
p
Bot
Bot
To
p
Jumper function:
You can set the color assignment of the
end positions with the jumpers.
see chapter
“9.5.2 Device status display - assignment
of the Top LEDs” and
“9.5.3 Change assignment of the Top
LEDs (device status)”
IN 1 = Top (top)
IN 2 = Bot (bottom)
Connection diagram:
Figure 19: Printed circuit board 24 V DC - cable gland
→
Check that the seal is correctly positioned in the body casing.
noTe!
Breakage of the pneumatic connection pieces due to rotational impact.
▶ When unscrewing and screwing in the body casing, do not hold the actuator of the process valve but the
connection housing.
Damage or malfunction due to penetration of dirt and humidity.
To ensure degree of protection IP65 / IP67:
▶ Tighten the union nut on the cable gland according to the cable size or dummy plugs used. (ca. 1,5 Nm).
▶ Screw the body casing in all the way.
→
Tighten union nut on the cable gland (torque approx. 1.5 Nm).
→
Close the device (assembly tool: 674077 3) ).
Seal
body casing
Body casing
Connection housing
Figure 20: Position of the seal in the body casing
The teach function can now be used to automatically determine and read in the end positions of the valve
(description of the teach function see chapter “9.4 Teach function (calibrating the end positions)”).
3)
The assembly tool (674077) is available from your Bürkert sales office.
english
Type 8691