ProStar 500 CVM P. van Poppel – Field Support Specialist October 2009

Overview Introduction to CVM Options Usage Configurations Operation and Control Front panel Software Problems

Column Valve Module (CVM) 1.Column selector 2.Solvent selector 3.Diverter and Fraction collector 4.Column heater 5.Manual Injector

Column Valve modules Options Holds up to 4 Automated valves Hold up to 4 manual valves in front panels (any kind) One or two independent column heater blocks Vapor sensor Holds 6 analytical or 2 prep (2 in) columns

Solvent selector

Column selector

System with ternary pump

Diverter and Fraction collector valves

Control and Operation Front panel control Configure new valves Set all valve positions Set column temperature Set vapor response Divide valves between two different instruments CANNOT TIME PROGRAM VALVE POSITIONS FROM FRONT PANEL

Control and Operation BCD control Time program valves from an external computer via contact closures BCD always built in Computer control basics RS 422/485 serial communications –This is different than the ProStar communications line and cannot share the same line Independent of Galaxie - works with any other software Runs with Galaxie through AutoLink Computer control capabilities Time program valve movements through methods Manually control valve movements through the computer Control all other front panel operations Preserve solvent compatibility during operations

Software control of the CVM

Prevents solvent incompatibility

Checking solvent compatibility

Documentation of columns and solvents

Problems Valve Status problem Valve leaks Communications problems Heater does not heat