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PSC/PSI Optically Isolated Power Supply Control System from Apogee Labs
The PSC/PSI system provides precise control for analog or digitally controlled power supplies. One PSC master controls up to six individual PSI units (one PSI per power supply).
The PSC/PSI system is used on the Spallation Neutron Source with EPICS and Labview software.
PSC/PSI is also being in the process of being deployed at the Institute of High Energy Phyics in Beijing, China as a part of the Beijing Electron Positron Collider (BEPC II) project.
PSC Power Supply Controller
- VME and chassis/rack mount models
- Triggers: external, internal, software
- Synchronous Timing per PSC or across multiple PSCs
- 10KSamples/Second highest burst mode rate
- Single multimode fiber pair cabling
4000 meter theoretical limit, minimum 1500 meters in use - Circular buffers hold 5458 good data sets for fault analysis
PSI Power Supply Slave Units
- VME and chassis/rack mount models
- Supports multiple power supply models/manufacturers
- Analog Harness
- 16-bit DAC set point control
- Four 16-bit ADC readbacks
- Digital Harness
- 15 Control bits
- 16 Status bits
Custom Designs
While there is no reason to replace a proven standard like PSC-PSI for most deployments, some projects may require additional features. For example, Apogee Labs has developed a method to provide true RMS capability, which could be incorporated into a customized design.