Siemens SIPROTEC 4 7XT71 Series, Manual, Page: 95 / 122

The DIP switch is arranged on the printed circuit board assembly as follows:
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Figure 5-2 Arrangement of the DIP Switch S1 on the Printed Circuit Board Assembly
(1) DIP switch S1
(2) Plug connector X5 (on the printed circuit board assembly)
The frequency settings using the DIP switch S1 are listed in the following figure:
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Figure 5-3 Frequency Settings Using the DIP Switch S1
²
Set the desired frequency on the DIP switches S1.1 to S1.4 according to Figure 5-3 .
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Reinstall the device according to chapter 5.2.2 Installing and Removing the Pluggable Printed Circuit
Board Assembly .
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If you have disconnected the conductors from the junction block, reconnect the conductors to the screw
terminals. Make sure that the wiring is correct.
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Commission the device.
Commissioning
5.2 Changing the Polarity-Reversal Frequency
SIPROTEC 4/5, Injection unit 7XT71, Manual 33
C53000-B1174-C128-8, Edition 05.2020