Siemens SIPART PS2 Manuale di istruzioni per l'uso - Pagina 14

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Installing

3.4 Setting the limits of the mechanical limit switch module

3.4

Setting the limits of the mechanical limit switch module

Setting limits L1 and L2

To set the limits, proceed as follows:

1. Drive the actuator to the first desired mechanical position.

2. Adjust the top actuating disc by hand until the output signal on terminals 41 and 42

changes. Set a high-low or low-high change as follows:

3. Drive the actuator to the second desired mechanical position.

4. Adjust the bottom actuating disc by hand until the output signal on terminals 51 and 52

changes. Set a high-low or low-high change as follows:

– Turn the actuating disc over the switching point out until you reach the next switching

point.

– Turn the actuating disc over the switching point out until you reach the next switching

point.

Note

To prevent the actuating discs from being accidentally moved during operation, the

actuating discs are designed to be relatively sluggish. You can achieve an easier and

more sensitive adjustment by temporarily reducing the friction. To do this, open and

close the actuator several times while at the same time holding the actuating discs

steady.

SIPART PS2 with mechanical limit switch module

Operating Instructions (Compact), 04/2007, A5E01179056-01