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Siemens SIPART PS2 6DR52xx User Manual

Page 34

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Design and Functional Principle

34

SIPART PS2 Manual

A5E00074631--06

9. Make all the electrical connections between the motherboard and

the options with the ribbon cables provided and between the mo-

therboard and potentiometers with the potentiometer cable.

10. Fix the enclosed module cover instead of the standard version with

the two screws (1.1).

11. Select the plates which already exist on the standard version of the

module cover from the set of plates enclosed. Stick the selected

plates according to the standard version to the mounted module

cover. In the case of the version which doesn’t feature explosion

protection, stick the warning sign onto the side of the ground plate

opposite the name plate.

12. Make the electrical connections.

Setting the two limit values:

.

NOTE
Connect a suitable display instrument such as the Initiator-Tester

type 2/Ex made by Peperl+Fuchs to the terminals 41 and 42 or termi-

nals 51 and 52 of the SIA module to be able to see the switching state

of the slot initiators.

1. Drive the actuator to the first desired mechanical position.
2. Adjust the top actuating disc (7.2) by hand until the output signal

on terminals 41 and 42 changes.

3. Drive the actuator to the second desired mechanical position.
4. Adjust the bottom actuating disc (7.3) by hand until the output sig-

nal on terminals 51 and 52 changes.

.

NOTE
If you turn the actuating disc beyond the switching point up to the next

switching point, you can set a high-low or a low-high change.
To avoid the actuating discs being accidentally adjusted during opera-

ting, they are relatively sluggish. The following remedy might be of help

if you are having trouble with the adjustment: open and close the ac-

tuator several times while holding the actuating discs. This temporarily

reduces the friction. This allows an easier and finer adjustment.

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