6. Screw the special screw ② through the module into the positioner shaft. Tighten the special
screw ② with a torque of 2 Nm.
Note
Pin in the actuating disk bearing
A pin ③ is pressed in the actuating disk bearing①.
1. Align pin ③ with the groove of the special screw before inserting the head of the special
screw ② into the actuating disk bearing ①.
2. Rotate the actuating disk bearing ① and the special screw ② simultaneously so that the
pin ③ is inserted into the groove of the special screw ②.
7. Set the limits L1 and L2 as described below.
8. An insulating cover (yellow) is required over the module. This insulating cover is supplied
with the module. Place the insulating cover on one side under the basic electronics seat of
the rack. The recesses of the insulating cover must fit in the corresponding webs of the rack.
To tighten the insulating cover, bend the walls of the adapter slightly outwards.
Firmly press the other end until the insulating cover is underneath the contact surface of the
basic electronics. The recesses of the insulating cover must fit in the corresponding webs
of the rack.
9. Place the basic electronics onto the four holders of the rack.
10.Tighten the two fixing screws of the basic electronics. Tighten the screws.
11.Reestablish all electrical connections between the basic electronics and the option modules.
12.Connect the basic electronics with the option modules and the potentiometer. Use the
corresponding ribbon cables.
13.Put on the supplied module cover. Make sure that the ribbon cable is not trapped.
Note
Module cover
Do not use the standard module cover. The provided module cover has a larger recess.
14.Close the positioner as described in section "Closing the standard and and intrinsically safe
version (Page 55)".
Procedure: Setting the limits L1 and L2
1. Move the actuator to the first desired mechanical position.
2. Adjust the upper actuating disk ④ manually until the output signal at terminals 51 and 52
changes. Set a high-low or a low-high switchover as follows:
– Rotate the actuating disc beyond the switching point until you reach the next switching
point.
Installing/mounting
4.5 Installing the optional modules
SIPART PS2 with PROFIBUS PA
68 Operating Instructions, 05/2019, A5E00127926-AC
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