D2am Material sciences goniometer, technical references
last modified
15-11-2007 10:35
Axis characteristics.
Other characteristics of the 7 axis are listed below, units and angular values are expressed as mechanical values as they appear on the indexor display:---------+--------------+----+--------+-------+--------+--------+---- name angular range encoder display|encoding| spec unit(d)| ratio | zero at| ---------+--------------+----+--------+-------+--------+--------+---- OMEGA | -79.6 +12.1 | +1 | RON806 | 1.0 | 1/1 | -6.2337| horiz CHI | -42.6 +174.8 | +1 | -- | 6.3e-5| 1/1 | 92.452 | horiz PHI | | +1 | -- | 0.5 | 10/1 | 0.0000 ---------+--------------+----+--------+-------+--------+--------+---- ALPHA |-50.0 +26.0 | +1 | | 0.25 | 4/1 | -2622 | optical 2THETA |-92.5 +82.7 | +1 | RON806 | 1.0 | 1/1 |-91.8157| horiz THETA_A | | -- | 1.0 | 1/1 | | 2THETA_A | +54.1 | -- | 0.5 | 10/1 | -0.0191| horiz ---------+--------------+----+--------+-------+--------+--------+----
---------+-------------+------+---------+-------+--------+--------+---- name | speed | ramp |backslash| type motor time for | high low |width | | 90d ---------+-------------+------+---------+-------+--------+--------+---- OMEGA | 10000 500 | 1000 | 500 | | CHI | 50000 2500 | 1000 | 500 | 30s PHI |100000 10000 | 2000 | 0 | 20s ---------+-------------+------+---------+-------+--------+--------+---- ALPHA | 25000 1500 | 1000 | 0 | 2THETA | 20000 500 | 1000 | 500 | THETA_A | 25000 2500 | 500 | 0 | 2THETA_A | 25000 2500 | 500 | 0 | ---------+-------------+------+---------+-------+--------+--------+----Original settings are described in the blue notebook on pages 12-15. Setting from 9/20/95 are on page 190.
References for repairs.
Following are some references for repair
A hydrogen reservoir made of … mostly hydrogen
Inauguration of Refurbished ROBL beamline
Debian for Scientific Facilities Days