| ... | ... | @@ -41,9 +41,10 @@ To home tth from : m |
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- Set limit settings to normally closed for both directions in: 
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- When more positive than E1 (cal) position, click ncal to home cal in negative direction
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- Software should reset tth to 0 when reaches E1
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- Reset soft limits to reverse = -200 and forward = -100 in: 
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- Reset soft limits to reverse = -200 and forward = 100 in: 
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- Set limit settings to ignore normally closed for both directions in: 
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- Close LabView
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- Redefine TTH=0 in epics by scanning direct beam on d4.
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## How to home TTH from PI software (not recommended):
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| ... | ... | @@ -70,10 +71,10 @@ TTH homing procedure from the PI software (not recommended for tth, see labview |
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- 3 1 1 setsw
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- 1 getsw (to clear the error): should read 3 3 = upper and lower limits disabled (need to do both); ready for operation
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Check your limits:
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Set maximum allowed position to 100 (-100 in diffractometer coordinates, "User").
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Set minimum allowed position to -210 (210 in diffractometer coordinates, "User").
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Redefine TTH=0 in epics by scanning direct beam on d4.
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Check your limits:
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- Set maximum allowed position to 100 (-100 in diffractometer coordinates, "User").
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- Set minimum allowed position to -210 (210 in diffractometer coordinates, "User").
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- Redefine TTH=0 in epics by scanning direct beam on d4.
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___
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