User Manual
E727T0005, valid for E-727
BRO, 2019-06-28
Physik Instrumente (PI) GmbH & Co. KG, Auf der Roemerstrasse 1, 76228 Karlsruhe, Germany Page 54 / 240
Phone +49 721 4846-0, Fax +49 721 4846-1019, Email info@pi.ws, www.pi.ws
In the figure below, the Device Parameter Configuration window shows the Sensor
Mechanics 1 parameter group.
2. Save the parameter values from the Edit Mask column of the Device Parameter Configuration
window in a parameter file (file extension .pam) on your PC. Use one of the following options:
− File > Save Edit Values or File > Save Edit Values As menu item
−
(Save) or (Save As) button in the icon bar
Executing Test Motions in Open-Loop Operation
The first moves should be made in open-loop operation. With the factory default settings of the E-
727, open-loop commanding means to give open-loop values which correspond approximately to
axis positions.
1. In the main window of PIMikroMove, make some test moves with the individual axes using the
controls on the Axes tab card. During the test moves, observe the position display for the axes
(in the Current Value / Position fields) and the current output voltage(s) for the piezo
actuator(s) in the stage(s) (in the Output Value fields of the Output Channels tab card).
Proceed as follows for each linear axis (for rotation axes, the given open-loop values
correspond approximately to positions in µrad or mrad, and the step size can be set to a
larger value, for example 100 µrad):
a) Make sure that the Servo box is unchecked.
b) Command an open-loop value of 0 (µm) by entering 0 in the Open-Loop Target Value
field of the axis and pressing Enter on your keyboard.
c) Enter the value 10 (µm) in the Step size field of the axis and press Enter.
d) Use the > button next to the Open-Loop Target Value field to increment the
commanded value by the value given in the Step size field (10). Increment the open-
loop value this way step by step up to the upper travel range limit of the axis.
e) Use the < button next to the Open-Loop Target Value field to decrement the
commanded value by the value given in the Step size field (10). Decrement the open-
loop value this way step by step back to zero.
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