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Keep Control: PULPO 2 ESO‘s new housekeeping unit

Keep Control: PULPO 2 ESO‘s new housekeeping unit. Christoph Geimer, Claudio Cumani, Nicolas Haddad, Javier Reyes, Javier Valenzuela, Bernhard Lopez. THE BEST THING WE HAD TO OFFER - PULPO 1. 6 temperature sensors PT100 3 independent heater circuits Shutter control Vacuum monitoring

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Keep Control: PULPO 2 ESO‘s new housekeeping unit

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  1. Keep Control: PULPO 2 ESO‘s new housekeeping unit Christoph Geimer, Claudio Cumani, Nicolas Haddad, Javier Reyes, Javier Valenzuela, Bernhard Lopez THE BEST THING WE HAD TO OFFER - PULPO 1 6 temperature sensors PT100 3 independent heater circuits Shutter control Vacuum monitoring 1 alarm output simple RS 232 interface 33 units already build, very low failure rate Standard housekeeping unit at all optical ESO instruments PULPO 1 FRONT PANEL PULPO 1 BACK PANEL NEW CHALLENGES - OmegaCAM PULPO 1 functionality plus: much more sensors (at least more alarm outputs data logging increased safety features

  2. Interfacing to the world 29 PT100 temperature sensors by default, up to 125 via external multiplexers digital I/O control and power supply for external MUX board Vacuum monitoring (Balzers or Edwards gauges) seperated alarm outputs for vacuum and temperature (2 for each) fiber interface to SLCU additional standard RS 232 interface Ethernet connection for log data download and OPTO isolated shutter interface ( 1output, 4 inputs,2spares) 8 independent heater circuits (72W, +-0.1K accuracy) data logging capabilities with 65000 records self recovery “Rule with your heart and live with your conscience” - QUEEN “In the quiet of the night - let our candle always burn” - QUEEN

  3. Housekeeping the universe PULPO 2 in action Heater 1 Alarm Dialer 87 PT100 sensor for CCD’s, mosaic plate, shields, PCB temp. Heater 2 PULPO2 Heater 3 Heater 4 Digital I/O MUX 1 MUX 2 Instrument connection point MUX 3 MUX 4 Vacuum Alarm Vacuum gauge +24V Temperature Alarm Top Heat Exchanger Bottom Heat Exchanger RS232 Link 486Core Active shield Sorption Pump Upper Level Filling Lower Level Filling +24V Thermal control & emergency pump SLCU SLCU SLCU FIERA 1 DFE FIERA 1 PS FIERA 2 DFE FIERA 2 PS FIERA 3 DFE FIERA 3 PS COOLING CONTROLLER

  4. “PRINCES OF THE UNIVERSE” - QUEEN http://www.eso.org/projects/odt/ODTpeople/whoiswho.html Thanks Iris @eso.org

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