Keep Control: PULPO 2

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Keep Control PULPO 2 ESOs 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 BACK PANEL
PULPO 1 FRONT PANEL
NEW CHALLENGES - OmegaCAM

• PULPO 1 functionality plus
• much more sensors (at least
• more alarm outputs
• data logging
• increased safety features

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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
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Housekeeping the universe PULPO 2 in action
Heater 1
Alarm Dialer
87 PT100 sensor for CCDs, mosaic plate,
shields, PCB temp.
Heater 2
PULPO 2
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 2 DFE
FIERA 3 DFE
FIERA 1 PS
FIERA 2 PS
FIERA 3 PS
COOLING CONTROLLER
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PRINCES OF THE UNIVERSE - QUEEN
http//www.eso.org/projects/odt/ODTpeople/whoiswho
.html
Thanks Iris
_at_eso.org