Privacy and Security Notice
Experiment E00-007 at JLab
How to bring up HAC control
window
The machine which runs the HAC GUI is hacsbc2. Click here
to see the screen. At the bottom of the screen is the linux taskbar. Towards
the left side of the taskbar there is the "graph" icon. Above the "graph"
icon there is a small arrowhead. Pressing the arrowhead opens a menu bar
which has the choices bogies_LEFT, bogies_RIGHT, StripTool, Alarm Handler,
Angle->Floor Mark, Accelerator Menu, Hall A Menu, and ESR Menu.
Clicking the "Hall A Menu" label launches a subscreen entitled "Hall
A Main Menu". One of the entries is labeled "Tools".
Clicking on the "Tools" button opens the "Hall A General Tools" screen,
which is often referred to as the HAC window.
How to move spectrometer
First, do a visual survey of the Hall to make sure nothing is in the spectrometer's
path. Also, make sure you are not exceeding the minimum (typically 13 degrees)
or maximum (experiment dependent) spectrometer angle. On hacsbc2, click
the arrowhead above the "graph" icon on the linux taskbar, as above. Choose
bogies_Left (or bogies_Right) which will bring up the bogies control screen.
Then click "Angle->Floor Mark" from the "graph" icon on the linux taskbar
to determine the Floor Mark and Vernier settings of the desired angle.
Next, release the brake and clamp by clicking on the PSM Enable button,
the DM enable button, Brake Release button, and the Clamp Release button.
Wait for the PSM OK, DM OK, and Brakes OK. Then type the rpm value for
the motor speed (max 600 rpm) with the following sign conventions (Note:
As with any
directions, the person that wrote them could be insane, so as you follow
the following directions to move the spectrometers, make sure you're moving
in the desired direction. If not, the directions must be wrong, so reverse
the sign and try again ): for the left arm, to move to a larger angle,
the speed should be positive; to move to a smaller angle, the speed should
be negative. The convention is the reverse for the right arm: to move to
a larger angle, the speed should be negative; to move to a smaller angle,
the speed should be positive. Watch the spectrometer motion on the camera.
If necessary, move the camera by clicking and holding on the Camera "Move
+" or "Move -" button located in the Alignment section of the main HAC
GUI. When you are getting close to the desired angle, slow down to about
200 rpm. To stop, click on the Brake and/or Clamp Release button(s).
How to change momentum
setting of HRS
From the HAC window, there is a P0 SET field for each spectrometer in which
you can enter the desired momentum setting. To change to a lower momentum
from a higher previous setting, you just need to enter the momentum value.
To raise the momentum setting, you need to cycle the Q2 and Q3 magnets
first and then enter the desired momentum setting. See the instructions
for the cycling procedure on the board of the counting house.
How to bring up the Alarm
Handler
From the "graph" icon in the taskbar, press the "Alarm Handler" label.
You can
plot time dependencies of EPICS variables
Pressing the "graph" icon launches "StripTool", which enables you to plot
any EPICS variable(s) versus time. To find out the name of a particular
EPICS variable, click on it with the middle mouse button on the MEDM GUI.
How to bring
up the Beamtime Accounting Table
-
Logon to "adaqs2" or "adaqs3" as user "adaq"
-
cd to ~adaq/ACCOUNT
-
type "atable"
How to run CODA
-
Logon to "adaql2" as user "a-onl"
-
Normally, runcontrol will be already running. If not, see section
Cold
start below. To start and stop runs, push the buttons "Start
Run" and "End Run". Start Run is the same as the sequence prestart,
go.
-
To change configurations, use the "Run Type" button. If you've been running,
you will first have to push "Abort" button. Choose the configuration from
the dialog box, then press "Download". The relevant configurations is:
COINC.
More details about the Hall-A DAQ and trigger can be found in Bob Michaels'
guide.html
and guide2.html.
Cold start
-
Kill all CODA processes on the workstation where CODA is running by typing
from anywhere on the relevant account and relevant computer
> kcoda
-
For data monitoring type
> datamon
-
Run
> rcServer
in any window and leave it.
-
Start CODA by
> runcontrol
This will start the runcontrol GUI. Then press the Connect button.
After "connect", wait 10 seconds, then press "Run Type"; a dialog box pops
up and you must choose the configuration you want, which is presumably
"COINC". Then press download and wait about 30 seconds. Now you can "Start
Run" to start a run (see section How to run CODA above).
How to download and
check the trigger
-
Logon to an ADAQ Linux box like adaql1 or adaql2 as user `atrig'.
-
Run
> trigsetup
More details are described in Bob Michaels' page Loading
and Checking the Hall A HRS Trigger.
How to start HALOG
-
As user 'adaq' on any 'adaq..' machine, simply type
> halog
-
Entering text is easy and straightforward. After submitting the entry,
the white text on blue background in the lower right corner of the window
should read 'Entry complete', otherwise something is wrong.
-
Entering graphics: Click 'Grab Screen' in the bottom button row of
the halog window. The halog window will disappear, and
the window the cursor is in will become the active window, its outline
flashing. By moving the cursor you can select any window to be selected,
by clicking on the left mouse button. You also can
select an arbitrary part of the screen by holding down the left mouse button
and dragging the cursor along. All the time a rectangle
will flash that indicates the selected area. Releasing the
mouse button will then cause this screen area to be included into
the entry. It will show up as a thumbnail picture in the halog
window, where you can discard it or accept it, or go for a second
screen grab. The images are in GIF format.
For more details about HALOG, see halog
HOWTO and FAQ page.
How to start beam counting
script
-
logon to 'adaql1' as user 'adaq'
-
type tkABU from any directory
How to reset the VDC high
voltage
-
Bring up the HAC control window per the above instructions. In the "Miscellaneous"
section, click on the "Crate Resets" button. This will bring up the "Hall
A Slow Controls" window. In the bottom left and right of this window are
the reset buttons for the spectrometer subsystems. Click on the relevant
"VDC high voltage" reset button. You then need to go back to the main HAC
GUI and reset the tripped VDC to 4 kV by entering 4 in the VDC HV window.
If the VDC trips again, reset the supply then try to ramp up the voltage
slowly.
How to start spot++
-
Log on to adaqs2 in account adaq
-
Type spot++ from any directory.
How to start xscaler (HRS)
-
Log on to "adaqs2" as user "adaq"
-
Type "xscaler"
How to start dataspy (HRS)
-
Log on to "adaqs2" as user "adaq"
-
Start dataspy from any directory by typing
> dataspy
-
Read the message and follow the menu options
What does the data structure look like?
Please see the data
structure page.
How to start dhist (HRS)
-
Logon on to "adaqs2" as user "adaq"
-
Go to the HRS dhist directory by cd ~adaq/e00007/left/onlana
-
To run dhist type ./dhist
How to run a Harp Scan
Please follow the directions at the Harp
Scan Page
How
to start espace for detector/physics analysis
Please replay the detector and the physics kumacs for each run and compare
to the sample in the E00007_analysis folder
-
Logon to "adaql3" as user "adaq
1. To do a physics replay
-
On "adaql3" type goespace
-
Type espace
-
then on the prompt type exec ek/e00007_physics.kumac
-
Input the run number, number of events to analyze (if all, type -1) .
-
This will take a while, and an output .hbook file will be created in the
hbook/ directory.
2. To view the physics replay
output in paw
-
Type goespace
-
Type paw, then exec pk/00007_physics.kumac
-
Input the run number .
-
The script will produce the evtype, tc_cor, helicity, focal plane variables,
reconstructed target variables, emiss_pmiss, egamma, fpp_scatang, fpp_zclose_car,
fpp_zclose_CH2,th_az .
3. To do a detector replay
-
On "adaql3" type goespace
-
Type espace
-
Then at espace prompt type exec ek/e00007_det.kumac
-
Input the run number,events to analyze.
-
This will take a while, and will create a .hbook file in the hbook/
directory.
4. To view the detector replay
output in paw
-
Type goespace
-
Type paw, then exec pk/00007_det.kumac
-
Input the run number.
-
The script will produce the plots of Scintillator ADC's and TDC's, Wire
Chamber ADC's and TDC's, VDC multiplicities, Aerogel Cherenkov detector
ADC's and TDC's, and S0 scintillator's ADC's and TDC's, FPP straw maps,
FPP TDC's, FPP demux spectra, Alignment variables for FPP front
and rear chambers, FPP chamber efficiencies.
What/where to check raster
-
Use spot++ as described above. Also, the raster pattern should be
displayed on an oscilliscope in the middle room of the counting house.
This can give you a rough idea that the raster is on, then use spot++
for checking its dimensions.
What/where to check VDC
-
VDC status can be checked on the HAC Main Control Window (see above).
High Voltages and Gas Flows are constantly being monitored.
What/where to check FPP
On the HAC Computer:
-
FPP Chamber Low and Threshold Voltages can be checked by selecting 'FPP'
from the 'Hall A Main Menu'
-
High Voltages can be checked by clicking 'left' on the Le Croy Directory
and selecting the FPP channels.
-
Gas Flows for both the FPP and VDC can be checked visually at the entrance
to the detector stack.
What/where to check
trigger rates
Look at the xscaler display. This should be running on the computer which
sits in the second level of racks, above and to the left of the DAQ computer.
What/where to check
target temperature
The target temperature is displayed on the target GUIs running on cryotarg
as well as on the camera monitors on the shelves above the computers. Look
at the camera monitor labeled "Control Rack". It displays the temperatures
for the three loops on three white temperature controllers, with loop 1
at the top and loop 3 on the bottom. Ask the TO for help if you can't find
the temperature or it doesn't make sense.
What/where to look in the
hall
When you do a visual Hall inspection, look at the pivot and the target
and also at the floors on the left and right of the spectrometers to make
sure nothing is lying around to impede their motion. Look for any fire
or plumes in the Hall.
How to reboot HRS crates
Click here
for instructions.
If the GUI for the LeCroy HV is white (blank): do reset to the Arcnet
- reset button is located on the "crate resets" window of the Right Spectrometer.
If the reset doesn't help you need to call MCC and request that they
contact the software expert on call. Then you wait. When they call, explain
the problem to them.
How do the
ROCs connect to the port server
-
ROC2 : telnet hatsv4 2002
-
ROC3 : telnet hatsv4 2003
-
ROC4 : telnet hatsv6 2009
-
ROC14 : telnet hatsv5 2014
-
TS1 : telnet hatsv4 2014
-
TS2 : telnet hatsv6 2010
If the portserver ask you the login name, use "adaq" as the user. The
password is the same as in the counting house computers.
Last updated: September 17, 2002