What to do in case of trouble !?!

Getting started: Standard SPEC commands

Like many other beamlines at ESRF our data acquisition system is SPEC (onsite only link). The best starting point to learn about SPEC at the ESRF is the BLISS documentation page (onsite only link). We list a number of important SPEC commands to get you started immediately:

  • mv <motor> <position> - move motor to the specified position.
  • mvr <motor> <distance> - move motor relatively by distance.
  • ascan <motor> <start> <end> <no steps> <time per step> - perform an absolute scan on the motor.
  • dscan <motor> <start> <end> <no steps> <time per step> - perform a relative scan on the motor around current value.
  • ct [time] - count for one second (default) or specified time (optional).
  • wm <motor> - where is motor.

Beamline specific commands

On top of the standard SPEC package, we have a number of beamline specific macros. Most useful are described here:

  • id26newfile <file_name> - open new data file (replaces newfile which should not be used).
  • id26cd -  elegant way of changing directory
  • id26idopen / idclose - open / close Front-End.
  • shopen / shclose - open / close experimental hutch shutter.
  • fshopen / fshclose - open / close fast shutter in experimental hutch.
  • fson <time> / fsoff - activate>desactivate&aa ng>- open / close Front-End.
  • shopen / shclose open / clas g durong>e-control/b),ong>w< -sem>uggt.edat/strog>- id26idopen / open / close Front-End.
  • shopen / sriptgy undule/su gaootoupng>g, i.e. undule/su / et.eriptgy move>act,strong>ct [time]id26idopen / modei>shopen
  • fson <time> / fsoff < ng>check wi closation p fea&lscalimmedimode (em>actactid26idopen / shopen [touthod]/em>open / close Frolt;no stepog src >
  • wm urnm>g>- aligntrong>- moscacrmliivawi hl> t;fitong>- id26idopen / mccei>shopen
  • fson <time> / fsoff outhodo(e ,ckeC ampngid26idopen / shopen
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