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Teledyne PDS - LEGO Excavator LEGO Excavator preparations
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2.3.5 Potentiometer range adjustment
The Wago 857-414 terminal has an input range of 0 to 10VDC. The potentiometer is
connected to 20VDC. Therefore the potentiometer must be set in range.
To set the potentiometers in range:
1. Set the boom, stick and bucket in the center position.
Figure 2-17 Boom, stick and bucket in center position
2. Adjust the potentiometers to output 5VDC by turning the potentiometer slider.
Figure 2-18 Potentiometer position adjusted
Max
Max Max
Min
Min
Min
20VDC
GND
5VDC