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DAQ-SALTRO16 activities in Lund & developments in Brussels/DESY. Lund University Ulf Mjörnmark. EUDET/LCTPC setup in september 2010. Low voltage. Front End Electronics. Kapton cables. TPC. Magnet. ALTRO based Front End Electronics & DAQ.

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Daq saltro16 activities in lund developments in brussels desy

DAQ-SALTRO16 activities in Lund&developments in Brussels/DESY

Lund University

Ulf Mjörnmark


EUDET/LCTPC setup in september 2010

Low voltage

Front End Electronics

Kapton cables

TPC

Magnet


ALTRO based Front End Electronics & DAQ

Hardware is based on ALICE TPC readout electronics

Standalone DAQ with ALICE drivers/libraries

Operated reliable when taking data in test beams at DESY:

2009: February – March, July, September

2010: September, December

In September 2010 the system operated with:

7680 channels (60 Front End cards)

3 RCUs, 2 DRORCs

Problem: broken amplifiers on FEC, caused by discharges in GEM?

Next testbeam: june 2011, with test of input protection on amplifiers


Front End Card

Backplane

New design

LV

LV

CONTROL

LV

LV

Pad plane

SALTRO16

MCM

Multi Chip Module

16 ch ALTRO

PCA16

Kapton cable

PAD plane


Multi Chip Module with 2 SALTRO

RCU

Bus card

(Backplane)

LV&ctrl

MCM

SALTRO16

Padplane


Development in Lund

DAQ-SALTRO16

Same as for EUDET/LCTPC

Which has:

no common DAQ interface

no common TLU/DBOX trigger

Modifications needed for

New ”Front End Card”

New backplanes

MCM instead of FEC

Time scale:

h/w & s/w september 2013


COMMON DAQ INTERFACE? COMBINED RUNNING?

DAQ CORE

LUND PART

COMMON PART

Control? implement a common server that can communicate with the DAQ process on

one side, as the local server do, and with a common control on the other side.

Event data transfer? Currently as local storage and sending raw binary data over network.


Trigger system

DBOX – TLU trigger?to be fully implemented if any combined running

(DBOX = local distribution of trigger/busy/reset/clock)

Common DAQ

EUDAQ:?Some work was done to integrate DAQ process with EUDAQ, but lack of time/manpower and problem with ALICE C-code together with EUDAQ C++ code interrupted it.

Interface to common DAQ:

Should not need to intregrate common daq code into the standalone daq core, to avoid code ”incompatibility”, e.g.:

Control:

CommonServer to convert common commands to local commands

Data:

address/port/format/handshake (library routine?) to send data over network

Local DAQ:

Should be possible to easily swap to local running and setup.


Development in Brussel/DESY

Implement DRORC in microTCA:

Advanced Mezzanine Card (AMC)

connect ed to RCU/MCM/FEC system

Development steps:

Learn microTCA

Make simple AMC as test

New DRORC

Two streams to/from DRORC:

*Setup/Control

*Data -> DAQ system: existing or new?

Common DAQ?

Time scale of microTCA?


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