Contents
vii
Method listings........................................................................................................................187
Chapter 9. Valve Control
The valve box..........................................................................................................................190
Heating the valves............................................................................................................190
Valve temperature programming ...................................................................................191
Configuring an Aux thermal zone ..................................................................................191
Valve control ...........................................................................................................................192
The valve drivers..............................................................................................................192
The internal valve drivers......................................................................................................192
The external valve drivers.....................................................................................................193
Valve configurations...............................................................................................................194
Procedure: Configuring a valve.................................................................................... 195
Valve control ...........................................................................................................................196
Procedure: Controlling valves from the keyboard..................................................... 196
From the run or clock time tables .................................................................................196
Valve control examples..........................................................................................................197
Simple valve—column selection....................................................................................197
Gas sampling valve ..........................................................................................................197
Multiposition stream selection valve and sampling valve ..........................................199
Chapter 10. The Automatic Liquid Sampler
Part 1. The 7673 ALS ......................................................................................... 202
Injector control table .............................................................................................................204
Procedure: Editing injector setpoints ......................................................................... 205
Configuring the injector.........................................................................................................205
Procedure: Configuring the injector............................................................................ 206
Sample tray setpoints.............................................................................................................206
Procedure: Editing the sample tray setpoints ............................................................ 206
Procedure: Configuring the bar code reader.............................................................. 207
Storing injector setpoints ......................................................................................................208
Part 2. The 7683 ALS ........................................................................................209
Injector control table .............................................................................................................211
Procedure: Editing injector setpoints ......................................................................... 212
Configuring the injector.........................................................................................................213
Procedure: Configuring the injector............................................................................ 214
Sample tray setpoints.............................................................................................................214
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