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HV, LV, Cooling and Others. What we know…. High Voltage. Pixel:. Drift:. Strip:. Ethernet. Ethernet. Ethernet. 1 crate. PX. UX. 2 crates. 1 crate. 120 channels. 520 channels. 144 channels. SPD. SDD. SSD. High Voltage. Identical systems: CAEN SY1527
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HV, LV, Cooling and Others What we know…
High Voltage Pixel: Drift: Strip: Ethernet Ethernet Ethernet 1 crate PX UX 2 crates 1 crate 120 channels 520 channels 144 channels SPD SDD SSD ITS DCS Meeting
High Voltage • Identical systems: CAEN SY1527 • But different number of crates, boards, channels • Different type of boards • Access via CAEN OPC server • Should start thinking about operation • Location of crates: • Pixel: in counting room (PX25) • Drift, Strip: in cavern (UX) • How about radiation and accessibility? ITS DCS Meeting
Low Voltage Pixel: Drift: Strip: GPIB, RS232,Voltage? RS232,Ethernet? Ethernet ? Ethernet 40 crates Eutron Eutron VMEJTAG ctrl Eutron 6 crates Arem Arem Arem 40 channels PX 5 crates UX 288 channels JTAG VR board VR board ? LVDS VR board EndLadder EndLadder 450 channels 20 boards (total 840 VR) EndLadder 36 ‘boards’ (total 72VR) 840 voltages SPD SDD SSD ITS DCS Meeting
Low Voltage • Similarities between Pixel and Drift • But different hardware and different ways to access hardware • Closely linked with “FEE” (access to VR) • Access of AREM-Pro (Drift) • Simpler for Strip while using CAEN ITS DCS Meeting
Cooling Pixel: Drift: Strip: Ethernet Ethernet Ethernet PX UX 1 PLC 1 PLC 1 PLC plant plant plant PLC PLC PLC 10 channels 4+4 channels ? channels Coolanttemperature,pressure, … (20 channels) Coolanttemperature,pressure, Flow, … (78+ channels) Coolanttemperature,pressure, … SPD SDD SSD ITS DCS Meeting
Cooling • Similar systems, developed in collaboration with ST/CV • Good for uniformity • Need more information • We (=central team) need closer collaboration with ST/CV for controls ITS DCS Meeting
Other systems • Equipment (or crate) control • Strip have VME crates in the cavern • Is there other equipment to be controlled? • “Environment” monitoring • Parameters not included in “FEE” or “Cooling” • Strip foresees some temperature monitoring • Others? ITS DCS Meeting