NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Local Trigger Unit (LTU) status

T. Blažek, V. Černý, M. Kovaľ, R. LietavaComenius University, Bratislava

M. KrivdaUniversity of Birmingham

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Outline• Dry run setup

TALK – LTU/TTCex – TEL62

• Connection tests and Timing issues

• Software status

• Future Plans

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

3

L0 trigger system and distribution

30/08/2012

TALK board

LTU+

TTCex

LTU+

TTCex

LTU+

TTCex

LTU+

TTCex

40 MHz clock + SoB

+ EoB signals

. . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . .

TTC partition

TTCrx TTCrx TTCrxTTCrx

Trigger inputs

QPLL QPLL QPLLQPLL

FEE FEE FEE FEE

BUSY/ERROR

Triggers

Clock +Triggers +SoB, EoB

TEL62

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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LTU – Dry run setup • 1 VME processor + 6 TTC partitions + 3 TTCit boards• LTU & TTCit boards in VME crate:

30/08/2012

LTU number LTU name TTCit number

0x830000 LTU_CEDAR 0x8a0000

0x831000 LTU_CHANTI -

0x832000 LTU_MUV 0x8a2000

0x833000 LTU_LAV 0x8a1000

0x834000 LTU_CHOD -

0x835000 LTU_LKR -

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Connection tests• LTU global mode:

TALK -> LTU -> TEL62 ok

• LTU standalone mode: LTU -> TEL62 ok

– connection tested also with TTCit

• SoB / EoB signals and triggers ok

• Choke/error – problem with connectors on LTUs– it will be fixed by Marian

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Dry run - timing issues• TALK – LTU connection (solved)– LVDS cable termination problem– termination resistor only at the last LTU in daisy chain

• TTCex phase instability after power off/on– known problem of TTCex MKII boards– dry run setup: 6x TTCex - 3 are OK, 3 are unstable→need for automatic procedure of phase measurement (in

cooperation with TALK)

• Counter synchronization after SoB signal– 10 BC clock constant offset between TALK and TEL trigger

counters – stable offset → not a problem in normal run of experiment

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Software status – LTU

LTUdirect software (running on the VME processor)

new features:

• choke/error support enable/disable

• SoB/EoB support for emulations

• more friendly counter observing

• batch running to configure LTU’s and TTCit’s

• color signaling of the Run-control type of state

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Software status – LTU

LTUDIM software (running anywhere)

• functionally identical to LTUdirect

• communicating with LTU via DIM

• needs common NA62 DIM name server running, currently by

Nicolas at PCNA62DCS02.cern.ch

• identifies LTU board not by its VME address (like 0x832000), but

by its DIM name (like LTU_MUV)

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

930/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Software status – LTUDIM servers

• support for Run Control (tested ok)• support for remote RESTART/SHUTDOWN (tested ok)

– currently operated only via Did (universal DIM client)– to be decided whether to be included into Nicolas‘ or Valeri’s software

• added boot scripts to configure all LTU and TTCit boards in crate and start all DIM servers

• currently, we do not have remote access to crate power, however we do need it, can we get help? (e.g. remote customer window in Valeri’s software?)

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

1130/08/2012

Did screenshot of running LTU servers

NA62 Collaboration Meeting in Siena - TDAQ LTU status

1230/08/2012

Run Control

Run Control

Reboot

Shutdown

Did – list of LTU services

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Software status – TTCit

TTCitdirect software (running on the VME processor)

• GUI concept similar to LTUdirect

• added counter inspection

• improved snapshot memory (SSM) display

• we shall prepare the TTCitDIM version (similar concept to LTUDIM)

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

1430/08/2012

TTCit snapshot memory window

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Software status – Twiki

twiki.cern.ch/twiki/bin/view/NA62/LTUrelatedSoftware

• download LTUdirect, LTUDIM, TTCitdirect software• download manuals – installation guides– updated LTU user guide

• check for updates

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Future plans

• Automatic phase measurement procedure

• TTCitDIM software

• LTU snapshot memory• Improved LTU emulation:– handling of full emulation sequence in firmware (currently

implemented in software) SoB – SoBT – triggers – EoB – EOBT

– triggering of emu sequence by external signals SoB/EoB

30/08/2012

NA62 Collaboration Meeting in Siena - TDAQ LTU status

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Summary

• Local Trigger Unit (LTU) is working well

• Most of the issues have been resolved

• Software updates -> check our Twiki page

• Work to be done before technical run:

– auto phase measurement, TTCitDIM, LTU SSM, emulation…

– remote access to VME crate power

30/08/2012