Operation; Servomotor With Reversing Potentiometer; Servomotor With Analogue Control; Displays/Control Elements - Grundfos 384-511 Instrucciones De Instalación Y Funcionamiento

12. Operation

Warning
The terminals at the limit switches are live
when the switch closes.
Switch cams and limit switches are set at
Caution
the factory and must not be modified.
12.1 Servomotor with reversing
potentiometer
During operation, all functions are
controlled by an external controller.
Note
Observe the installation and operating
instructions for the controller and the
dosing pump.

12.2 Servomotor with analogue control

Warning
Do not touch bare wires or clamping
screws.

12.2.1 Displays/Control elements

Status LEDs
The status LEDs indicate the operating state of the
servomotor.
4 3
Fig. 10 LEDs
(from right to left)
Item Description
1 Red LED: Fault
2 Blue LED: Operation
Green LED: Clockwise rotation
3
(in the direction "close/min.")
Yellow LED: Anticlockwise rotation
4
(in the direction "open/max.")
1
2
DIP switch
The DIP switch is only used to reprogram the final
positions and to reverse the control direction.
In the factory settings, the switches are set to
"control direction normal" (not reversed) and "Auto"
(operation).
inv Auto
Man
Fig. 11 DIP switch
Item
Switch "inv./ "
Switch "Auto/Man"
Programming buttons
The programming buttons are used to reprogram the
final positions. In closed-loop control (DIP switch set
to "Auto"), none of the programming buttons work.
L Set
Fig. 12 Programming buttons
Item Description
Left (servomotor moves in the
Button "L"
direction "open/max.")
Button "SET" Program final position
Right (servomotor moves in the
Button "R"
direction "close/min.")
Description
Reversing the effective
direction
Operation (auto)
Programming (man)
R
17