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Installation and Configuration
Ndrive QL Hardware Manual
2.5.1. Voltage Monitor Output
The Voltage Monitor output provides a scaled copy of the piezo actuator's high-voltage signal. The high-
voltage signal is scaled by 1/15 and buffered before being sent to the Voltage Monitor output pin.
Table 2-19:
Voltage Monitor Output Connector Pin Assignment (J107)
Pin
Description
5
Piezo Voltage Monitor
8
Analog Common
Table 2-20:
Voltage Monitor Output Scaling
Piezo Voltage
Voltage Monitor
+150 V
+10 V
0 V
0 V
-30 V
-2 V
Table 2-21:
Voltage Monitor Output Specifications
Description
Accuracy
±3.5% Nominal
Recommended Load
≥10k Ω
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Chapter 2
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