Line 2 was replaced by lines 2-95 |
- ;D |
+ ;DM,DA: Monochromator/Analyser d-spacing [Angstroem]. |
+ ;SM,SS,SA: Scattering sense at Mono (new: as text LEFT/RIGHT/STRAIGHT) |
+ ;FX: new as text: KI or KF |
+ ;AS,BS,CS: unit cell constants [Angstroem] |
+ ;AA,BB,CC: unit cell constants [degrees] |
+ ;AX,AY,AZ: Components of a recip. lattice vector in scattering plane of the sample. A3 is the angle between KI and (AX,AY,AZ). |
+ ;BX,BY,BZ: Components of a second distinct recip. lattice vector in scattering plane. |
+ |
+ ''informational only:'' |
+ ;ALF1,ALF2,ALF3,ALF4: Horizontal collimation before mono, before sample, before analyser, before detector [minutes FwHm] |
+ ;BET1,BET2,BET3,BET4: Vertical collimation before mono, before sample, before analyser, before detector [minutes FwHm] |
+ ;ETAM,EATS,ETAA: Monochromator/Sample/Analyser mosaic [minutes FwHm] |
+ |
+ !Limits and Zeros |
+ |
+ Lower and upper limits and zeros for all variables given in (iv) |
+ below. L, U and Z are appended as a prefix to the variable names to |
+ indicate Lower limit, Upper limit and Zero. |
+ |
+ !Motors |
+ |
+ {{{ |
+ A1 Monochromator angle (Bragg angle in degrees) |
+ A2 Scattering angle at mono. (twice Bragg angle in degrees) |
+ A3 Sample angle (degs) (A3=0 when (AX,AY,AZ) is along KI) |
+ A4 Scattering angle at sample [degrees] |
+ A5 Analyzer angle (Bragg angle in deg, TOPSI: not used) |
+ A6 Scattering angle at analyzer (twice A5 in deg., TOPSI: not used) |
+ |
+ SINQ Instruments: |
+ MCV Mono curvature vertical |
+ SRS Sample table second ring |
+ ACH Anal curvature horizontal |
+ MTL Mono lower translation |
+ MTU Mono upper translation |
+ STL Sample lower translation |
+ STU Sample upper translation |
+ ATL Anal lower translation |
+ ATU Anal upper translation |
+ MGL Mono lower goniometer (Reserved) |
+ MGU Mono upper goniometer |
+ SGL Sample lower goniometer |
+ SGU Sample upper goniometer |
+ AGL Anal lower goniometer (Reserved) |
+ AGU Anal upper goniometer |
+ |
+ D1T D1B D1R D1L Diaphragm 1 (top/bottom/right/left) |
+ D2T D2B D2R D2L Diaphragm 2 (top/bottom/right/left) |
+ D3T D3B D3R D3L Diaphragm 3 (top/bottom/right/left) |
+ }}} |
+ |
+ !Virtual motors |
+ {{{ |
+ EI Incident neutron energy [meV] |
+ KI Incident neutron wavevector [Angstroem-1] |
+ EF Final neutron energy [meV] |
+ KF Final neutron wavevector [Angstroem-1] |
+ |
+ QH -\ |
+ QK +-- Components of Q in Reciprocal Lattice Units [R.L.U.] |
+ QL -/ |
+ |
+ EN Energy transfer; +ve neutron energy loss [meV] |
+ QM Length of Q [Angstroem-1] |
+ }}} |
+ |
+ !Polarisation analysis |
+ |
+ IF1V IF1V and IF2V are currents [Amps] in the vertical-field |
+ IF2V coils for Flipper 1 and Flipper 2. |
+ IF1H Horizontal-field currents are KI*IF1H for Flipper1 and |
+ IF2H KF*IF2H for F2. |
+ HELM Angle between axis of Helmholtz pair one and KI. |
+ F1 -\ Status of flippers one and two; these variables take the |
+ F2 -/ values ON or OFF. |
+ |
+ ''Currents'' |
+ I1 -\ |
+ I2 \ |
+ I3 +-- power supply current values [A] |
+ . / |
+ I11 -/ |
+ |
+ ''Field'' |
+ HX -\ Components of Helmholtz fields at sample in Oersteds. |
+ HY +-- HX is parallel to Q and HY is perpendicular to Q in |
+ HZ -/ the scattering plane. |
+ |
+ |
+ !Increments Variables |
+ |
+ For all motors, virtual motors, currents and field |
+ the identifier for the step used with a SCan command is obtained |
+ by prefixing the variable name with the letter D. |