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Technical Information
Description
The microprocessor begins to drive the relays about 10 seconds after reaching the
target voltage (this behaviour is in order to avoid wrong activations due to voltage
ramping).
The threshold of the Set Point has a hysteresis of 5%.
Figure 51
Autostart
This function allows to restore the high voltage output when the main power supply
is restored after a fail.
If the Autostart is enabled:
If the HV channel is in ON status and the main power supply fails, when the
supply is restored the HV channel automatically turns on.
If the HV channel is in OFF status and the main power supply fails, when the
supply is restored the HV channel stays in OFF.
If the Autostart is disabled:
The HV channel returns always OFF after that the main power fails.
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Agilent 4UHV Ion Pump Controller User Manual
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