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Software for the new power supply system

DESCRIPTION

This software manages a power supply system with 13 units, LVPS and HVPS, sequencer, settings, limits, and control. Developed test program is robust, with Linux support for monitoring and interlock via NSM messages.

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Software for the new power supply system

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Presentation Transcript

  1. Software for the new power supply system 2002 May 30 T.Tsuboyama

  2. The whole system was delivered from Kenwood on 13 May • A PS system consists of • Two crates • Total of 13 isolated PS units. • 11 LVPS + 2 HVPS • Built-in sequencer • Voltage/current setting • Voltage/current limit • Ramp up/down control (HV) • GPIB interface

  3. Software • A huge test program was developed by Kenwood. • It seems a simple modification of this software does not work. • Similar lines are repeatedly used many times: the code is difficult to read. • It assumes one GPIB card and one GPIB address. • It is an interactive program through console.

  4. The software to be developed • One computer with two GPIB interface cards controls the 10 systems. • NSM driven: Linux is essential. • Commands are sent through NSM messages or unix signals. • Monitor data from PS is sent back to DAQ through NSM. • Interlock information from P.S. is sent to CDAQ via NSM messages.

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