APS Status Information Process Variables
The list of key process variables are categorized
according to functionality.
Storage Ring Operating Parameters
- S:DesiredMode
This Process Variable is set by the operators. This PV gives information about
the mode the machine is in and will have the following values and meanings.
0 |
State Unknown |
1 |
USER OPERATIONS |
2 |
Bm Ln Studies |
3 |
INJ Studies |
4 |
ASD Studies |
5 |
No Beam |
6 |
MAINTENANCE |
- S:ActualMode
This Process Variable is derived based on various values. This PV gives the
operating mode and has the following meanings.
0 |
State Unknown |
1 |
NO BEAM |
2 |
Injecting |
3 |
Stored Beam |
4 |
Delivered Beam |
5 |
MAINTENANCE |
- SRFB:GBL:LoopStatusBI
This Process Variable shows the status of Real Time Closed Orbit Feedback
System and has the following meanings.
- SRFB:GBL:VLoopStatusBI
This Process Variable is for Vertical Plane control of Real Time Closed Orbit
Feedback and has the following meanings.
- SRFB:GBL:HLoopStatusBI
This Process Variable is for Horizontal Plane control of Real Time Closed Orbit
Feedback and has the following meanings.
- S:OrbitCorrection:CC
This Process Variable shows the status of orbit correction and has the
following meanings.
0 |
No corrections |
1 |
Correction in Progress |
- S:OrbitControlLawXFineBO
This Process Variable is for orbit correction in the Horizontal plane and
has the following meanings.
0 |
No corrections |
1 |
Correction in Progress |
- S:OrbitControlLawYFineBO
This Process Variable is for orbit correction in the Vertical plane and
has the following meanings.
0 |
No corrections |
1 |
Correction in Progress |
- ACIS:ShutterPermit
This Process Variable is derived based on various values and has the following
meanings.
0 |
Shutters Disabled |
1 |
Shutters Enabled |
- S:FillNumber
This PV is a unique number for each new fill. The number is reset to zero at
the beginning of every run period.
- XFD:srCurrent
This PV is the current in milliamps in the storage ring.
- S:SRtimeCP & S:SRcurrentCP
These PV's represent the time(relative) vs current history. It's an
array of 600 values which gives the storage ring current history for the
past 24 hours.
- S:SRdateCP
This PV represents the (absolute) time for the current history.
It's an array of 600 values which gives the time since epoch (VxWorks) in
seconds for the past 24 hours.
This PV is useful only for the 2.3.x versions of medm.
- XFD:LifeTimeHrs
This PV is the lifetime of the stored beam in hours.
- SRFB:dsp2:xRMSmotion30HzPkM.VAL
This PV is horizontal beam motion in microns.
- SRFB:dsp2:yRMSmotion30HzPkM.VAL
This PV is vertical beam motion in microns.
- S:VID1:filteredXemittance
This pv is the measured horizontal emittance from sector 35 bending
magnet beamline.
- S:VID1:filteredYemittance
This pv is the measured vertical emittance from sector 35 bending
magnet beamline.
- S:VID1:filteredCoupling
This pv is the measured Coupling from sector 35 bending magnet beamline.
- XFD:message1
This PV is a message set by the operator. This line will contain the names of
the master control room operators on current shift.
- XFD:message2
This PV is a message set by the operator. This line will contain the names of
the floor coordinator on current shift.
- XFD:message3
This PV is a message set by the operator. This line will have information
about the fill pattern.
- XFD:message4
- XFD:message14
- XFD:message15
These PVs show a message set by the operator. They will contain information
about current problems if any.
- XFD:message5
- XFD:message15
These PVs show a message set by the operator. They will have information
about last fill dump/Trip reasons, etc.
- XFD:message6
- XFD:message17
These PVs show a message set by the operator. They will have information
about new fill schedule.
- OPS:TimeOfDaySI
This PV is an automatic time stamp, showing the last time information was
entered in the "Next Fill Info." dialog box by the accelerator operators.
- XFD:message18
This PV is a message set by the operator. It says when the next update,
regarding fill or down time problems, is to occur. It's mostly for long or
undefined downtimes.
TopUp Related Information
S:TopUpStatus
When TopUp mode is set bit is set. No Longer Used.
- S:MSL200:topUpGateM
Low(0) value indicates that Injection is active.
- Mt:TopUpTime2Inject
Countdown timer in seconds for next TopUp Injection.
- S:TopUpCurrent
Amount of current in mA injected during the last TopUp injection.
- S:LastCurrent
SR current (mA) at last injection.
- Mt:TopUpWarning
A warning signal which activates 10 seconds prior to TopUp Injection.
- Mt:TopUpLastInjectTime
Time of last TopUp injection in string format.
- S:TopUpInterval
Interval(seconds) between TopUp injections in integer format.
Storage Ring RF BPM Information
The alarm state of all the RF bpm's should be monitored. In medm it is possible
by setting the variables display as an alarm condition. Normally the BPMs are not in alarm.
However when the BPM is not in the feedback loop then the alarm is minor which is
reflected in medm with yellow color. For non medm cases the .SEVR field can be
monitored for the alarm conditions.
- Sx:BM:SrcPt:xPositionM
old name : FE:yy:BM:SR:HPOS:CC
The x represents a sector number between 1-34.
This gives the horizontal position in millimeters of the particle beam
at the source point for a Bending Magnet beamline.
- Sx:BM:SrcPt:xAngleM
old name : FE:yy:BM:SR:HANG:CC
The x represents a sector number between 1-34.
This gives the horizontal angle in microradians of the particle beam
at the source point for a Bending Magnet beamline.
- Sx:BM:SrcPt:yPositionM
old name : FE:yy:BM:SR:VPOS:CC
The x represents a sector number between 1-34.
This gives the vertical position in millimeters of the particle beam
at the source point for a Bending Magnet beamline.
- Sx:BM:SrcPt:yAngleM
old name : FE:yy:BM:SR:VANG:CC
The x represents a sector number between 1-34.
This gives the vertical angle in microradians of the particle beam
at the source point for a Bending Magnet beamline.
- Sx:ID:SrcPt:xPositionM
old name : FE:yy:ID:SR:HPOS:CC
The x represents a sector number between 1-34.
This gives the horizontal position in millimeters of the particle beam
at the source point for an Insertion Device beamline.
- Sx:ID:SrcPt:xAngleM
old name : FE:yy:ID:SR:HANG:CC
The x represents a sector number between 1-34.
This gives the horizontal angle in microradians of the particle beam
at the source point for an Insertion Device beamline.
- Sx:ID:SrcPt:yPositionM
old name : FE:yy:ID:SR:VPOS:CC
The x represents a sector number between 1-34.
This gives the vertical position in millimeters of the particle beam
at the source point for an Insertion Device beamline.
- Sx:ID:SrcPt:yAngleM
old name : FE:yy:ID:SR:VANG:CC
The x represents a sector number between 1-34.
This gives the vertical angle in microradians of the particle beam
at the source point for an Insertion Device beamline.
Storage Ring X-ray BPM Information
- FE:xx:BM:1XBPM:A:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the top blade of the 1st x-ray BPM located at about 10.9 meters
for a Bending Magnet beamline.
- FE:xx:BM:1XBPM:B:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the bottom blade of the 1st x-ray BPM located at about 10.9 meters
for a Bending Magnet beamline.
- FE:xx:BM:2XBPM:A:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the top blade of the 2nd x-ray BPM located at about 18.0 meters
for a Bending Magnet beamline.
- FE:xx:BM:2XBPM:B:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the bottom blade of the 2nd x-ray BPM located at about 18.0 meters
for a Bending Magnet beamline.
- SxxBM:P1:msAve:y:AdjustedCC
The xx represents a sector number between 1-34. This PV gives the normalized
vertical position of the beam in mm at the 1st x-ray BPM located at about 10.9 meters
for a Bending Magnet beamline.
- SxxBM:P2:msAve:y:AdjustedCC
The xx represents the sector number between 1-34. This PV gives the normalized
vertical position of the beam in mm at the 2nd x-ray BPM located at about 18.0 meters
for a Bending Magnet beamline.
- FE:xx:BM:VPOSITION:CC
The xx represents a sector number between 01-34. This gives the vertical position
in millimeters of the x-ray beam at the source point for a Bending
Magnet beamline.
- FE:xx:BM:VANGLE:CC
The xx represents a sector number between 01-34. This gives the vertical angle
in microradians of the x-ray beam at the source point for a Bending
Magnet beamline.
- FE:xx:ID:1XBPM:A:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the top outboard blade of the 1st x-ray BPM located at about
16.3 meters for an Insertion Device beamline.
- FE:xx:ID:1XBPM:B:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the bottom outboard blade of the 1st x-ray BPM located at about
16.3 meters for an Insertion Device beamline.
- FE:xx:ID:1XBPM:C:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the top inboard blade of the 1st x-ray BPM located at about
16.3 meters for an Insertion Device beamline.
- FE:xx:ID:1XBPM:D:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the bottom inboard blade of the 1st x-ray BPM located at about
16.3 meters for an Insertion Device beamline.
- FE:xx:ID:2XBPM:A:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the top blade of the 1st x-ray BPM located at about 20.0 meters
for an Insertion Device beamline.
- FE:xx:ID:2XBPM:B:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the bottom blade of the 1st x-ray BPM located at about 20.0
meters for an Insertion Device beamline.
- FE:xx:ID:2XBPM:E:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the outboard blade of the 1st x-ray BPM located at about 20.0
meters for an Insertion Device beamline.
- FE:xx:ID:2XBPM:F:CC
The xx represents a sector number between 01-34. This PV gives the raw intensity
in microamps of the inboard blade of the 1st x-ray BPM located at about 20.0
meters for an Insertion Device beamline.
- SxxID:P1:msAve:y:AdjustedCC
The xx represents the sector number between 1-34. This PV gives the normalized
vertical position of the beam in mm at the 1st x-ray BPM located at about 16.3 meters
for an Insertion Device beamline.
- SxxID:P1:msAve:x:AdjustedCC
The xx represents the sector number between 1-34. This PV gives the normalized
horizontal position of the beam in mm at the 1st x-ray BPM located at about 16.3 meters
for an Insertion Device beamline.
- SxxID:P2:msAve:y:AdjustedCC
The xx represents the sector number between 1-34. This PV gives the normalized
vertical position of the beam in mm at the 2nd x-ray BPM located at about 20.0 meters
for an Insertion Device beamline.
- SxxID:P2:msAve:x:AdjustedCC
The xx represents the sector number between 1-34. This PV gives the normalized
horizontal position of the beam in mm at the 2nd x-ray BPM located at about 20.0 meters
for an Insertion Device beamline.
- FE:xx:ID:VPOSITION:CC
The xx represents a sector number between 01-34. This gives the vertical position
in millimeters of the x-ray beam at the center of the straight section for an Insertion
Device beamline.
- FE:xx:ID:VANGLE:CC
The xx represents a sector number between 01-34. This gives the vertical angle
in microradians of the x-ray beam at the center of the straight section for an Insertion
Device beamline.
- FE:xx:ID:HPOSITION:CC
The xx represents a sector number between 01-34. This gives the horizontal position
in millimeters of the x-ray beam at the center of the straight section for an Insertion
Device beamline.
- FE:xx:ID:HANGLE:CC
The xx represents a sector number between 01-34. This gives the horizontal angle
in microradians of the x-ray beam at the center of the straight section for an Insertion
Device beamline.
ID Information
Front End Shutter Status
- FE:xx:YY:FEshutter
Front end Shutter Status. The xx represents a sector number
between 01-35 and the YY is BM or ID.
The values are
0 |
Shutter Closed |
1 |
Shutter Open |
Liquid Nitrogen Distribution System Information
The liquid nitrogen system is directly controlled by PLC. It is also possible
to bypass the plc and control the valves directly. In order to have remote access
the control of the valves have to be set in Auto mode. The EPICS interface to the
LNDS is through the PLC. We strongly urge the CATs to use the epics method of
controlling the valves.
Please do not use the switches in the control cabinets
to open/close the valves.
- LN:SxxValveStatus
Beamline liquid nitrogen flow valve status. The xx represents a sector number
between 01-35.
The values are
0 |
Unknown |
0 |
Unknown |
1 |
Closed |
2 |
Opened |
3 |
Switch Flt |
4 |
Unknown |
5 |
Closed |
6 |
Opened |
7 |
Switch Flt |
- LN:z:DewarLevel
Liquid nitrogen dewar level in inches of water. The z represents the module
dewar between A-D.
- LN:z:DewarPressure
Liquid nitrogen dewar pressure in PSI. The z represents the module
dewar between A-D.
- LN:z:ValveStatus
Liquid nitrogen dewar main valve status. The z represents the module
dewar between A-D.
The values are
0 |
Unknown |
1 |
Closed |
2 |
Opened |
3 |
Switch Flt |
4 |
Unknown |
5 |
Closed |
6 |
Opened |
7 |
Switch Flt |
- LN:zz:ValveStatus
Liquid nitrogen dewar interconnect valve status. The zz is one of
AB, BC or CD
The values are
0 |
Unknown |
1 |
Closed |
2 |
Opened |
3 |
Switch Flt |
4 |
Unknown |
5 |
Closed |
6 |
Opened |
7 |
Switch Flt |
- LN:z:Tempx
Temperature of the liquid nitrogen transfer lines in degrees Celsius.
The z represents the zone dewar between A-D and
x in Tempx above is between 1-3.
- LN:SxxValveCtl
Control of Beamline liquid nitrogen flow valve. The xx represents a sector
number between 01-35. Control of this valve is only possible when the
system is in User Mode.
The values are
- LN:AccessControl
Status of control of the Liquid Nitrogen Distribution System. When in User
mode, users have control of their beamline flow valves. When in System Manager
mode control of valves is only possible by system managers.
The values are
0 |
User |
1 |
System Manager |
2 |
No Control |
General
- APS:BarometricPressure:PSI
Barometric pressure in PSI (at the Sector 20 Storage Ring mezzanine)
- APS:BarometricPressure:MBR
Barometric pressure in millibars (at the Sector 20 Storage Ring mezzanine)
- APS:BarometricPressure:MMHG
Barometric pressure in mm of mercury (at the Sector 20 Storage Ring mezzanine)
APS Status Screens - Sample Medm screen images
Sample screen can be viewed by clicking on the links below.
APS Status Screens - Medm source files
APS beamline control developers can access APS operation status MEDM adl files, and all other SR status screens,
by accessing their sector's dserv filesystem at /APSshare/adlsys. An active APS storage ring level status screen
is available by running /APSshare/adlsys/xfd-display.