Siemens SIPART PS2 6DR52xx - Manual (Page 36)

Design and Functional Principle
36
SIPART PS2 Manual
A5E00074631--06
Follow the instructions below for installation:
1. Remove all electrical connections on the motherboard (2).
2. Loosen carefully both fixing screws (2.1) for the motherboard.
3. Insert the limit switch module (7) from above until it reaches the
upper printed circuit board rail of the container.
4. Insert the mechanical limit switch module (7) from above until it
reaches the upper circuit board rail of the rack.
5. Push the mechanical limit switch module (7) into the circuit board
rail of the rack approx. 3 mm towards the right.
6. Screw the special screw (7.1) through the mechanical limit switch
module into the axle of the positioner (torque: 2 Nm).
CAUTION
The pin pressed into the actuating disc bearing (12) must be adju-
sted just before it touches the special screw. In order that the pin
slot into the special screw, you must then turn the actuating disc
bearing and the special screw simultaneously
7. Place the insulating cover (10) over the mechanical limit switch
module underneath the surface of the motherboard onto the con-
tainer on the wall. The recesses in the insulating cover must slot
into the corresponding lugs on the container wall. Place the insulat-
ing cover on the mechanical limit switch module by carefully bend-
ing the container walls.
8. Snap the motherboard board into the four holders and screw it tight
again with the two fixing screws (2.1).
9. Make sure all electrical connections between the motherboard and
the options using the ribbon cables provided and between the mo-
therboard and potentiometer using the potentiometer cable.
10. Fix the enclosed module cover (1) instead of the standard version
using the two screws (1.1).
.
NOTE
To prevent premature wearing of the fixture by the self-tapping screws
(1.1), the following method of mounting the module cover (1) has pro-
ven effective:
S Turn the screws counterclockwise until you feel them snap into the
thread.
S Tighten both screws carefully in a clockwise direction.