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## coming out of shutdown
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## Coming out of shutdown
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0) power cycle PI controllers, smarAct, SRS and blue box as needed; SRS.set_all()
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1) home motors using procedure [here](https://git.aps.anl.gov/groups/29id/-/wikis/RSXS/Kappa-Diffractometer/PI-Motors)
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2) check tth minimum/maximum allowed position in extended panel (PI software): after homing tth PI/dial position will be set to either of those, which will prevent it to move it in that direction
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... | ... | @@ -32,7 +32,7 @@ Scan_D5D() |
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Scan_Slit3D_center()
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```
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---------------------------------------
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## energy calibration
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## Energy calibration
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Good to check after a shutdown:
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1) use C branch to check mirrors alignment (M0,M1,M2,GRT) and energy drift accross beamline energy range.
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2) Use STO/Si/LAO sample to measure XAS and change M3R roll (coarse) and/or slit (fine) center to refine energy calibration:
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... | ... | @@ -43,7 +43,7 @@ Good to check after a shutdown: |
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---------------------------------------
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## align M3R pitch to center of rotation
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## Align M3R pitch to center of rotation
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1) start from the last known value for M3R pitch ie desired pixel value (typically betwen 110-115)
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2) align direct beam on d4 and reset tth0:
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```python
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... | ... | @@ -81,7 +81,7 @@ note: you can do this a th=0 or th=180 (align_z0 or align_z180), depending on wh |
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## determine kth offset
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## Determine kth offset
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If th_0 and th_180 is the motor position at specular near th=15 and th=165, respectivaley (eg th0=13.671 and th180=163.65):
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```python
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... | ... | @@ -133,7 +133,7 @@ align_z0_chi0() |
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---------------------------------------
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## determine kap offset
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## Determine kap offset
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1) compare kap scans at (th,chi,phi) = (90,0,90) and (270,0,-90):
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... | ... | @@ -148,7 +148,7 @@ dscankap(-4,4,0.1) |
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## determine kphi and phi 0
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## Determine kphi and phi 0
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<ol>
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<li>
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