phos apd bias control goal: to develop software for the phos apd bias control that uses the agreed...

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PHOS APD Bias Control • Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration.

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Page 1: PHOS APD Bias Control Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration

PHOS APD Bias Control

• Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration.

Page 2: PHOS APD Bias Control Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration

Different ways for controlling the APD bias voltages

• Labview interface used in 2004, uses the RCU-sh interpreter via SSH. Minor modifications needed in order to to work with new firmware (2-3 days)

– Does not comply with agreed standards.

• Micro code on the DCS command line via the the RCU-sh command interpreter.

– Useful for debugging, but to tedious and difficult for upcoming beamtest– Does not comply with agreed standards.

• APD bias control based on ROOT, DIM and FEE server/client software developed in Bergen. Huge progress made Dec 2005 – March 2006 by Bergen/Oslo. Some more development needed (2-4 weeks).

– Complies with ALICE standards.– API for APD bias contrloll can be integrated in the final DCS system.– Could also implement FEEC temperature monitoring and logging.

Page 3: PHOS APD Bias Control Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration

RCU

PHOSFEEC

DCS card

Fee Server (DIM)PHOS CE

Fee Client (DIM)

1

1

1

20

28

APD GUI

1

DIM DNS

Request service

Register service

Service info

Se

rvice d

ata

Su

bscrib

e to

service

1

”Execute”

”Co

mm

an

d +

da

ta”

”Co

mm

an

d +

da

ta”

”Co

mm

an

d +

da

ta”

1

Intercom Layer

Fee Client (DIM)

FED server (DIM)

PVSS

FED client (DIM)

=

Configurationfiles

ConfigurationData base

BLOBs(SQL)

Future systemCurrent System

Ethernet

DCS/RCUMezzanine

RCU backplane

PC

PC

Detector

Outside world

Page 4: PHOS APD Bias Control Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration

Test setup in Oslo/Bergen

DIDInformation display

APD GUI

Firewall

Firewall

DCS0052+ one Front end Card

DIM DNS

University of Oslo

Home

University of Bergen

Request service

Service info

Re

gis

ter

se

rvic

e

Subscribe to service & download APD values

Page 5: PHOS APD Bias Control Goal: To develop software for the PHOS APD bias control that uses the agreed ALICE standards for detctor control and coniguration

Summary

• Communication chain DIM client/server and DIM DNS.– Status: Done

• Downloading and applying APD configuration via DIM client/server and Feeserver software developed in Bergen

– Status: Done

• Temporary Solution for configuration database– Status: Done

• Integration into PVSS II.– Status: To Do

• Implementation of final configuration Database– Status: To Do

• Testing of system with lates version of boardcontroller and FEECs– Status: To Do