1. SPD DCS Overview & FED Server
Ivan Amos Calì
Università degli studi di Bari / CERN

2. Ivan Amos Calì - SPD General Meeting
Outlook
ALICE DCS structure overview
SPD DCS general scheme & hierarchy
FE DCS status repost
FED server (Ivan)
PVSS layer (Simone)
Analysis tools & sector0 test results (Cesar)
SPD DCS Status report
SPD DCS outlook
06/03/2006
Ivan Amos Calì - SPD General Meeting

3. Ivan Amos Calì - SPD General Meeting
SPD DCS Used for…
ALICE RUN:
Detector Configuration
Status control
Characterization
Sector & DCS - FERO Performance Test
06/03/2006
Ivan Amos Calì - SPD General Meeting

4. Ivan Amos Calì - SPD General Meeting
ALICE DCS
P. Chochula TB040504
06/03/2006
Ivan Amos Calì - SPD General Meeting

5. Ivan Amos Calì - SPD General Meeting
SPD DCS I
SPD DCS
Sect0-9
HSect0-1
HS0-5
Infra
FED
Power HV LV
Cooling
Legend:
FED
(HSn)
Cooling
(Sect n)
HSnPower
Device U CU LV
(HSn) 0-1 HV
(HSn) LU
06/03/2006
Ivan Amos Calì - SPD General Meeting

6. Ivan Amos Calì - SPD General Meeting
SPD DCS II
set mode {PHYSICS, TEST, …}
OFF
startup
NOT_READY
configure
READY {mode}
shutdown
standby
recover
INCOMPLETE
shutdown
shutdown
ERROR
recover
06/03/2006
Ivan Amos Calì - SPD General Meeting

7. Ivan Amos Calì - SPD General Meeting
SPD DCS III
HS cooling
HS FED
06/03/2006
Ivan Amos Calì - SPD General Meeting

8. SPD Data and Control flux
Optical
VME
Ethernet (DIM)
FED Device Unit
(PVSS)
Shuttle to Cond. DB
PVSS
Archive
(to Cond.DB)
Config. DB
Commands &
Status
Commands &
Status
Data to DAQ
FED Server
Analysis Tool CDT
(ROOT)
FED Servers
(x2 Side A & C)
Data & Ctl
Data
06/03/2006
Ivan Amos Calì - SPD General Meeting

9. Ivan Amos Calì - SPD General Meeting
FED Server
DIM Server:
Allow communication with higher level software
Receive commands (string)
Update status information, alarms and Data
Comm &
Status
DIM Server
Application Layer
Driver Layer
Application Layer:
Detector control and monitoring agents
Automatic calibration routines
Configuration DB interface
Conf DB connection
Comm. &
Ctl
Driver Layer:
VME access drivers
Resource control agents
06/03/2006
Ivan Amos Calì - SPD General Meeting

10. FED Server Status Report I
DIM server fully operative:
> 150 commands Hi and Low level understood (strings)
Priority channel for Alarm handling
Communication with Analysis tools and PVSS implemented & tested
Instructions Broadcast function
06/03/2006
Ivan Amos Calì - SPD General Meeting

11. FED Server Status Report II
On-detector and Off-detector electronic manual control fully operative
HS configuration storage class tested
Automatic HS configuration operative
06/03/2006
Ivan Amos Calì - SPD General Meeting

12. FED Server Status Report III
Interface to configuration file tested
Automatic uniformity matrix and threshold scans implemented
Automatic temperature and voltage error handling developed
VME Driver layer operative
06/03/2006
Ivan Amos Calì - SPD General Meeting

13. Ivan Amos Calì - SPD General Meeting
FED Server Summary
FED version released
Full system running in DFS and used for test sector0
Performances studies demonstrated compliance with specification of:
Data transmission speed (4 Mb/s)
Memory occupancy (10 Mb with buffer empty Mb buffer full)
Operational speed specification fulfilled
06/03/2006
Ivan Amos Calì - SPD General Meeting

14. Ivan Amos Calì - SPD General Meeting
FED Server outlook
Configuration DB interface
FED server automatic configuration from local scripts
FED server stand-alone mode test and recovery procedures
Studies on system performance with 2 FED servers running
06/03/2006
Ivan Amos Calì - SPD General Meeting

15. Ivan Amos Calì - SPD General Meeting
Configuration DB I
1 Load/Store:
Pixel DACs, API , DIP and GOL configuration.
Noisy and dead pixels masks
HV, LV settings
2 Store:
MeanTH for each chip
RMS noise for each chip
MinimumTH for each chip
Uniformity matrix for each chip
S-curves ?
06/03/2006
Ivan Amos Calì - SPD General Meeting

16. Ivan Amos Calì - SPD General Meeting
Configuration DB II
Implemented
Pixel chip DACs bytes
API-DPI-GOL configuration bytes
API conversions bytes
Mask & Dead pixel (1% & data compr) bytes
HV, LV settings bytes
MeanTH & RMS noise bytes
MinimumTH bytes
Uniformity scan bytes
S-curves (10 DAC values) bytes
TOT bytes
First prototype of Oracle configuration DB created on devdb10 by S.Kapusta.
06/03/2006
Ivan Amos Calì - SPD General Meeting

17. Ivan Amos Calì - SPD General Meeting
Outlook
Simone & Cesar Talk
SPD DCS outlook
06/03/2006
Ivan Amos Calì - SPD General Meeting

18. Ivan Amos Calì - SPD General Meeting
SPD DCS Outlook I
SPD DCS
Config. DB
Sect0-9
HSect0-1
HS0-5
Infra
FED
Power HV LV
Cooling
Legend:
FED
(HSn)
Cooling
(Sect n)
HSnPower
Device U CU LV
(HSn) 0-1 HV
(HSn) LU
06/03/2006
Ivan Amos Calì - SPD General Meeting

19. Ivan Amos Calì - SPD General Meeting
SPD DCS Outlook II
HV/LV FSM (LU & infrastructure control)
Cooling FSM
Import FED control into JCOP framework
DU type and FSM for FED
Configuration DB integration
SPD FSM and ECS integration
06/03/2006
Ivan Amos Calì - SPD General Meeting

20. Ivan Amos Calì - SPD General Meeting
BACKUP
06/03/2006
Ivan Amos Calì - SPD General Meeting

21. SPD hardware Interlock
10 lines coming from the routers for API PT1000 chain
10 lines coming from 2nd PT1000 chain
10 lines coming from the cooling plants (each for each sector): loop locked | Error Alarms
06/03/2006
Ivan Amos Calì - SPD General Meeting

22. Ivan Amos Calì - SPD General Meeting
SPD DCS Outlook II
Time table proposal:
First SPD DCS prototype: June – July
Integration with Alice ECS - DAQ: July – August
Test of the full chain on 2nd half barrel: September – October
Who:
FED: Cesar, Simone, Ivan
Cooling: Arturo, Gianluca
HV/LV ?
SPD FSM ?
Sectors tests ?
06/03/2006
Ivan Amos Calì - SPD General Meeting

23. Ivan Amos Calì - SPD General Meeting
Characterization
Define working parameter:
Noisy and dead Pixels
Uniformity of response
Minimum and Mean TH
Fast-OR
Reference Voltages parameterization
06/03/2006
Ivan Amos Calì - SPD General Meeting

24. Configuration and Status Control
MCM and Read Out chip configuration
References and Vdd (API Feedback)
Temperature
SEU
JTAG Chain status (chip on the chain)
Off-detector electronic status
Busy and trigger control for synchronization (missing L1, L2-Header status bit)
Errors Handling and interlock status
06/03/2006
Ivan Amos Calì - SPD General Meeting

25. FED Server internal structure
DIM Server
Supervision Agent
Manual Control
Agent
Pooling Operation
Control
Data Buffer
ChDecoder
Access Control Manager
Driver Layer
06/03/2006
Ivan Amos Calì - SPD General Meeting

26. SPD Data and Control flux
OFF-DETECTOR
ELECTRONICS
(Routers & LinkRxs)
ALICE
DAQ
(AliRoot)
Data & Ctl
Data
Data
Comm. &
Ctl
Data
Optical
VME
Ethernet (DIM)
MOOD
FED Server 1 2
Comm &
Status
Data DB
ANALYSIS
TOOLS
PVSS 2 1
06/03/2006
Ivan Amos Calì - SPD General Meeting

27. Ivan Amos Calì - SPD General Meeting
Glossary
ECS: Experiment Control System
DCS: Detector Control System
FED: Front End Device
FERO: Front End ReadOut Electronics
PCA: Partition Control Agent
ECA: Experiment Control Agent
DIM: Data Interschange manager
06/03/2006
Ivan Amos Calì - SPD General Meeting

28. Ivan Amos Calì - SPD General Meeting
Configuration DB II
440 DACs/HS x 120 = bytes
API-DPI-GOL= 20 byte x 120 = 2400 bytes
API conversion = byte x 120 = bytes
Mask&Dead 1% of 8192 x 1200 x 4 = bytes
HV, LV settings 360 channels x 8 bytes = 2880 bytes
MeanTH&RMS 1200 chip x 4 bytes = 4800 bytes
MinTH 1200 chip x 1 byte = 1200 byte
Uniformity 1200 chip x 8192 ch x 2 byte=
S-curves 1200 chip x 8192 ch x 2 byte x 10 DAC values = bytes
TOT
06/03/2006
Ivan Amos Calì - SPD General Meeting

29. Ivan Amos Calì - SPD General Meeting
Bandwidth I
1 Negligible
2 4 Mb/s due to handshake overhead
MeanTH raw data:
32 active pixels * 10 chip / 2 = 160 UInt32
+ 10 header-trailer = 170 UInt32
x 6 HS + 8 UInt32 rt header = 1028 UInt32 /(router * trigger * rows)
06/03/2006
Ivan Amos Calì - SPD General Meeting

30. Ivan Amos Calì - SPD General Meeting
Bandwidth II
x 20 routers = UInt32
x 100 Trigger x 10 DACs =
UInt32
x 256 rows = UInt32
= bytes
06/03/2006
Ivan Amos Calì - SPD General Meeting