TPC Detector Control System 9 December 2018 U. Frankenfeld

TPC sub-detectors and sub-systems ROC Field cage Th. Screen Laser Equip. Gas High Voltage High Voltage Cooling laser crate Low Voltage Cooling … Cooling I monitor FEE Pulser 9 December 2018 U. Frankenfeld

High Voltage Read Out Chamber ISEG Solution available (work ongoing) Prototype Connection to hardware from PVSS CANbus (18 nodes) ISEG 3 crates ISEG ISEG PX UX 288 channels TPC 9 December 2018 U. Frankenfeld

Low Voltage ROC Wiener Wiener Wiener TPC Wiener Prototype Solution available (work ongoing) Prototype Connection to hardware from PVSS CANbus (22 nodes) Wiener 22 crates Wiener Wiener PX UX 808 channels TPC 9 December 2018 U. Frankenfeld

Cooling Read Out Chamber/FEE Plant Common effort (ST/CV) Prototype Readout Cooling Study thermal behavior Investigate front-end solutions PX UX Ethernet 1 PLC PLC plant 44 channels Heater PLC 1-2 PLC with remote I/O ? T TPC 9 December 2018 U. Frankenfeld

Front End Electonic RCU RCU RCU FEC FEC FEC Front End Electronics Voltage regulation Temperature Status Depending on implementation of communication PX UX Profibus, Ethernet ? RCU 216 RCU’s RCU RCU Local private bus FEC 4356 FEC’s FEC FEC 9 December 2018 U. Frankenfeld

Gating Grid pulser New item Under discussion Pulser Crate Profibus ? PX UX Pulser Crate 9 December 2018 U. Frankenfeld

High Voltage Fieldcage FUG Interface to be studied Prototyping HV power supply Current monitor RS232, Profibus? FUG 1 crate PX UX 1 channel TPC 9 December 2018 U. Frankenfeld

Cooling Fieldcage TPC Investigating of final solution Depending on tests Prototyping Resistor rod cooling PX UX Ethernet 4 channels Heater PLC 1 PLC T TPC 9 December 2018 U. Frankenfeld

Cooling Thermal Screen readout: Similar to FEE cooling PX UX Ethernet 1 PLC PLC plant 18 channels Heater PLC 1-2 PLC with remote I/O ? T TPC 9 December 2018 U. Frankenfeld

Laser system ? Integration into TPC DCS Fieldbus ? PX UX 9 December 2018 U. Frankenfeld

Crate control Common to Alice Crate(s) Crate(s) CANbus ? PX UX 9 December 2018 U. Frankenfeld

Gas system Gas working group Parameters published to TPC DCS Status Alarm handling Flow, pressure, mixture … (defined by TPC) Additional sensors like Drift velocity monitor 9 December 2018 U. Frankenfeld

Next Step: Finite State Machines Control Units ECS ... LHC DCS ... ... TPC TRD Abstract levels Commands Status & Alarms FC ROC Cool. HV LV ... Device Units Crate Crate Crate To Devices (HW or SW) 9 December 2018 U. Frankenfeld

DCS Planning 9 December 2018 U. Frankenfeld

DCS planning September 2002 February 2003 Electronics (FEC) tests Basic HV and LV DCS functionality February 2003 Electronics (RCU) tests Basic HV and LV DCS functionality, evolving based on operational experience DCS connection to RCU Will include test-beam 9 December 2018 U. Frankenfeld

DCS planning April 2004 2005 2006 Pre-installation at SXL2 Card by card, chamber by chamber, sector by sector tests HV, LV, cooling, gas; DCS with increasing functionality and integration 2005 Cosmic running with TPC at surface Full TPC DCS to allow (unattended) cosmic running 2006 Installation and commissioning 9 December 2018 U. Frankenfeld

Summary URD for most sub-detectors and sub-systems Hardware commercial solutions if possible (PLC) common LHC solutions (ELMB) Hardware – SCADA interfaces commercial solutions if possible (OPC server) Integration of Laser System Solution to interface to Fieldcage HV PS to be studied Solution for FEE controls depend on choice of communication Final solution on cooling depends on prototype results Started discussing operational requirements (FSM) 9 December 2018 U. Frankenfeld

DCS meeting at GSI 27. September alice-tpc-dcs@cern.ch 9 December 2018 U. Frankenfeld