1^st PANDA - EPICS tutorial & workshop - September 10, 2009

Date and Location

• Location:
  • PANDA XXXth Collaboration Meeting, IKP Seminar Room Schulungsraum DVEE, Forschungszentrum Jülich
• Time and Date:
  • September 10, 2009, 14 - 18:30

Organizers:

• Peter Zumbruch, ITEE/KS, GSI
• Dan Protopopescu, Glasgow, UK

Topic

EPICS tutorial

4 hour class introduction to EPICS - Experimental Physics and Industrial Control System

Introductory talks

• EPICS (PZ)
  • EPICSOverview.ppt: EPICS Overview - originally from EPICS Training at Legnaro
    • Experimental Physics and Industrial Control System
    • What to do with it?
    • How to use it?
    • How to “write” EPICS?
    • collaboration:
      • tech-talk
    • Channel Access Introduction
• EPICS Database (PZ)
  • EPICS_Database_in_one_hour_KK.ppt: Database introduction - originally from EPICS Training at Legnaro
    • What is it?
    • Record Types (ai, ao, bi, bo, mbbi, seq, (d)fanout, genSub)
    • vdct
      • http://www.cosylab.com/solutions/particle_accelerators/VisualDCT/
      • VDCT wiki: http://aps.anl.gov/epics/wiki/index.php/VDCT_Status_Page
      • Run Visual DCT using Java Web Start or download
      • Docs:
        • http://visualdct.cosylab.com/builds/VisualDCT/2.5.1271/doc/MAN-VisualDCT_Users_Manual.html
    • sequencer vs database records
• Big Systems - Design and Maintenance - outlook (maybe)
  • msi
• Device Support - outlook stream device

Tools Overview

• EPICS Clients:
  • CSS Control System Suite: Download CSS from http:\\css.desy.de for your system, if windows then also the TestIoc

Hands-On

• Preparation (PZ) *
  $> . epics
• Database Exercise
  • 20081114124031385.pdf: Database Excercise (INFN/LNR 2008 EPICS Training)
  • Record Database Wiki : https://epics-controls.org/wiki/index.php/RRM_3-14
• MakeBaseApp.pl (PZ)

Examples

StreamDevice / ASYN driver

• Agilent Power supply (BK)
  • http://cp.literature.agilent.com/litweb/pdf/5989-1330EN.pdf
  • asynDriver
    • st.cmd
      ...
drvAsynIPPortConfigure ("ps002" ,"hadpszzz.gsi.de:xxyy") ; where xxy is the port number

...
  • streamDevice
    • .db files
      field (OUT, "@Agilent.proto debug ps002 ")
field (DTYP, "stream")
    • protocol - file Agilent.proto:
      #
# Agilent.proto (stream device protocol file)
#
# Genesys/Agilent/Lambda DC Power Supply
# Connect a stringout record to this to get
# a generic command interface.
# After processing finishes, the record contains the reply.
debug {
ExtraInput = Ignore;
out "%s"; in "%39c"}

    • st.cmd
      ...
epicsEnvSet ("STREAM_PROTOCOL_PATH","...some path...")
...
• Motor driver
  • corvus.proto: CBM protocol for stream device driving corvus motors
    • protocol - file corvus.proto:
      InTerminator="\r\n";
OutTerminator=" ";
debug {
ExtraInput=Ignore;
out "%s"; in "%39c";
}

status {
out "st"; in "%d";
}
getpos {
out "pos"; in "%(\$1.VAL)f" "%f";
}
setpos {
out "%(\$1.VAL)f %(\$2.VAL)f move";
}

# get number of axes
getdim {
out "getdim"; in "%d";
}


zero {
out "cal";
}
range {
out "rm";
}