Magnet field- and Radiation Tolerant New Power Supply System PL500F8-12 MARATON Water-cooled Floating Power Supply with Monitoring & remote control to power readout or frontend electronics 24.11.03 LHCb 1
Variant 1 Subrack 9U 24.11.03 LHCb 2
Variant 2 - Bin LHC 9U Bin with 3-fold divider for 6U modules, 64x backplane J1/Jo/J2, J3 free 6-fold super blower intelligent fan tray with CANbus connectors Local power supply 24.11.03 LHCb 3
19 Power Bins for PL 500 / 6021 High current outputs < 8 Channels 24.11.03 LHCb 4
Modular Floating Power Supply 8 independent potential free outputs, floating CE conform EN 50 081/82 part 1 Safety in accordance with EN 60 950 Water cooled versions Easy insertion / extraction locking lever and carrying handle 24.11.03 LHCb 5
Modular Floating Power Supply Power box for 6 modules Floating Range >10V minimize DC- ground shift on backplane between separated voltage channels, even when the currents are strongly different Modules freely combinable for current increasing in parallel or as +/- outputs 24.11.03 LHCb 6
Modular Floating Power Supply Available modules: Range peak Output nom Output Type 2... 7V 115A / 550W 100A Meh 4... 10V 85A / 650W 75A Meh +/- 7... 24V 12A / 2x240W 10A Mdl 7 16V 46A / 550W 40A Meh +/- 7 14V 23,5A / 2x275W 20A Mdh 30 60V 13,5A / 650W 12A Meh 24.11.03 LHCb 7
Modular Floating Power Supply Example for Standard Configurations: 9U Power Supplies (6 mod.) 5V 3,3V +/-12V 48V 300A 100A 10A 12A 200A 100A 10A 24A 100A 100A 10A 36A 200A 200A 10A 12A 100A 300A 10A 12A * * 20A * 6U Power Supplies (5 mod.) 5V 3,3V +/-12V 48V 200A 100A 10A 12A 100A 200A 10A 12A 200A 200A 10A - 100A 100A 10A 12A * * 20A * After sales revision of output performance at any time easily 24.11.03 LHCb 8
Monitoring & remote control All voltages & currents Slot 1 temperature Fan turns Optional 7 further temp. sensors Trip-points (progr. mode) Voltages ramp up 50ms, synchronic and monotone Voltage ramp down by fast output discharge (crow bar) Extremely low noise and low ripple <20mVpp Failures diagnose: over- under voltage (per channel) over temperature fan fail internal failure (check sums, etc.) AC-fail monitor self-test 24.11.03 LHCb 9
Radiation Tested Modules of PL 500 Mains 2-7V/100A +/-5V/30A +/-12V/10A +/-15V Controller Input (2-7V) Aux-Power Board MNE MEH MDH MDL MUH Micro Module Module Module Module Module Processor Facility Year A 2000 passed passed passed passed fails passed, excl. CAN New Module B 2002 passed passed passed passed passed fails after 417Gy New Module C 2002 fails after 4.0E+10 p/cm² passed passed passed not tested not tested New Module D 2002 passed not tested not tested not tested passed fails temporary after 3,1krad A TCC2 722Gy 7.99E+12 n/cm² B TCC2 417Gy 7.69E+12 n/cm² C Louvain SEE 1.0E+11 p/cm² D PSI SEE 14krad 24.11.03 LHCb 10
Modular Power Supply System MARATON 2 Versions: To power crates (UEP6..) or generic electronics (PL5..) Water-cooling and air-cooling is possible Simple base version with minimal features (What is not there can not be damaged) Up to 12 independent channels in a single 3U box Channel to channel resistance > 10 kohm, max. Channel to channel voltage > 100 V possible Modular extendable to custom requirements 24.11.03 LHCb 11
MDM (Module Double MARATON) Components & Design is radiation tolerant All inductive components are magnetically shielded and encapsulated Cooling is done by attaching a water heat exchanger or a standard heat sink (needs forced air, no internal fan) Different regulation boards (MR...) available 24.11.03 LHCb 12
MDM (Module Double MARATON) Air cooled 24.11.03 LHCb 13
MDM (Module Double MARATON) Water cooled 24.11.03 LHCb 14
Available Modules (MDM) 24.11.03 LHCb 15
Available Regulation Boards Description Microcontroler on Observation Board needed RAD Tests Status Standard Regulation Board (MRP) with nominal values set by DAC yes TCC2: 722 Gy, 7.99E+12 n/cm² Louvain: 1.0E11 p/cm² used since many years DAC replaced by potentiometers potentiometers moved from the regulation board to the front panel no TCC2: Since June 2003, no problems no ready future All boards are available for fast regulation (crate power) and slow regulation (long wires) 24.11.03 LHCb 16
Magnetic and Radiation Tolerant Power Module Adjustable Values on the Regulator Board : Output Voltage Current Limit max. Module Voltage (OVP) manual trimming 24.11.03 LHCb 17
Basic Control Clock generation and power fail detection only Automatic switch on after input power is applied Switch off (by the regulation boards) in case of OVERVOLTAGE or OVERTEMPERATURE No other remote control or failure detection possible 24.11.03 LHCb 18
Parallel Interface (ParIF) Description Each sense line is connected to the ParIF connector via a protection resistor A combined STATUS / SwitchOn - line is available for each channel. All signals of 6 channels are fed to an 37-pin Sub-D connector The outer diameter of a 40-pin shielded, twisted-pair, halogen-free round cable (AWG26) is 12 mm Design of the power supply Basic Control and ParIF interface: ready Development time for the remote electronics: 2 man months 24.11.03 LHCb 19
Control with Parallel Interface Input: 385 V DC, 9 A External Switches and Measurement EMI Input Filter FIM 385 V DC Rectifier for no-rad operation with AC supply Auxiliary Power MAM 385V DC-DC Converter MDM 385V max. 2*6 Channels Basic Control and Observation MORT Output: Up to 12 independent channels 24.11.03 LHCb 20
Example of a MARATON Crate Supply Ordered by ESS 3.3V/160A, 3*5V/80A, 48V/10A Regulation board with potentiometer settings Control with ParIF parallel interface Mains input: 320V DC in radiation / 230V AC for tests (no PFC) Water-Cooled Mechanically compatible with the standard LHC 9U power supplies 24.11.03 LHCb 21
Available 1st Qt 04 Available now 24.11.03 LHCb 22