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LPS710E Long Travel Piezo Stage and Controller
3.8 Front Panel Controls and Indicators
Fig. 3.6 Front panel controls and indicators
Power Button and LED
– Applies and removes power to the controller. Power is
applied when the LED is lit.
Closed Loop Button and LED
– Switches the unit to closed loop operation. When
the LED is lit, the unit is operating in Closed Loop mode. If the LED is not lit, the unit
is operating in open loop.
Error LED
– Lit when one of the following fault conditions occur:
1) One or more power supply voltages are out of range.
2) Closed loop mode is selected but the associated piezo is disconnected.
3) An overtemp condition has occurred - see Section 4.8.
Note
The brightness of the front panel LEDs can be adjusted (Full, Dim or Off)
to match the ambient light conditions and avoid stray light problems in
sensitive applications - see Section 5.2.1.
Precision Piezo Controller
Power
Closed Loop
Error
