| 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. |
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