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Desc | XPS Controller | Motor name | Channel | Position | Desc. position | Last update |
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USHM | XPS:LI20:MC03 | PB10 M2 Removal Stage | M1 | 40.5 mm away from the electron beam (cross-check with 305 value above) | E-320 position: mirror on the right side of the e-beam, steering laser onto 1st OAP | June 20, 2022 |
Alignment Target Vertical UP/DOWN | XPS:LI20:MC10 | PB11 SFQED Target Vertical | M1 | 0/99 | Home position, needed when inserting or retracting OAP assembly. Do not drive to home (0) when MO tower is in IN position. /Clear position with and without OAP assembly. Moving assembly requires moving out of clear position. | |
MO Tower Mover IN/OUT | XPS:LI20:MC10 | PB12 SFQED Tower Mover | M2 | IN position to look at focal spot.
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OAP Assembly IN/OUT | XPS:LI20:MC10 | PB16 SFQED Assembly Removal | M3 | 114/0 | IN position to focus main beam. Clear (retracted), also home positions, needs MO Tower to move out first, also needs Alignment target to move upwards first | |
Elliptical mirror/M3 IN/OUT | XPS:LI20:MC10 | PB17 Elliptical mirror mover | M4 | Positive limit switch/negative limit switch + | Out position. Configuration is 'SetCurrentPositionAsHome',so need to drive all the way to positive limit switch to ensure driven out. In position. Drive all the way to negative end for IN position. | |
PB18 Focus Imaging Vertical | XPS:LI20:MC10 | PB18 Focus Imaging Vertical | M5 | 0 | Home at current position (0). Motor should not be touched or moved, should be clear in any case. |
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