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Figure 4-1 Function Block Configuration of a Typical Ratio Control Loop ..............................................................99
Proportional Control Loop .................................................................................................................................103
Figure 4-3 Compare Signal Flow .............................................................................................................................109
Figure 4-4 Compare's Greater Than Result, With Hysteresis ..................................................................................110
Figure 4-5 Math CV Feedback Programming ..........................................................................................................114
Figure 4-6 Logic Signal Flow ..................................................................................................................................117
Figure 4-7 Free Form Logic Signal Flow.................................................................................................................119
Figure 4-8 Function Generator Curve ......................................................................................................................124
Figure 4-9 Function Generator Configuration For Valve Characterization..............................................................125
Figure 4-10 Function Generator Configuration For Input Signal Characterization..................................................125
Figure 4-11 Interval Timer.......................................................................................................................................126
Figure 4-12 Periodic Timer......................................................................................................................................127
Figure 4-13 Typical Carbon Potential Control Configuration..................................................................................131
Figure 4-14 Advanced Splitter (Default Outputs) ....................................................................................................134
Figure 4-15 Heat/Cool Configuration ......................................................................................................................134
Figure 4-16 Standard Split Output Function ............................................................................................................136
Figure 4-17 CEMS Rolling Average........................................................................................................................143
Figure 4-18 Example of Constant Destination .........................................................................................................150
Figure 4-19 Displays Accessible by the Display Buttons.........................................................................................152
Figure 4-20 VRX150 Displays Accessible By The Display Button.........................................................................154
Figure 5-1 Setpoint Profiler Schematic ....................................................................................................................184
Figure 5-2 Single and Multi-Phase Profiles .............................................................................................................185
Figure 5-3 Value/Duration Ramp Type....................................................................................................................187
Figure 5-4 Time Ramp Type....................................................................................................................................188
Figure 5-5 Rate Ramp Type.....................................................................................................................................189
Figure 5-6 External Ramp Type...............................................................................................................................190
Figure 5-7 Guaranteed Soak and Hysteresis ............................................................................................................191
Figure 5-8 Activating Events In Mid-Segment ........................................................................................................192
Figure 5-9 Example Of A Segment Loop.................................................................................................................193
Figure 5-10 Holding multiple profilers simulaneously.............................................................................................194
Figure 5-11 Hot Start ...............................................................................................................................................197
Figure 5-12 Fast Forward.........................................................................................................................................198
Figure 5-13 Shutdown..............................................................................................................................................199
Figure 5-14 Allowable and Non-Allowable Program Storage .................................................................................203
Figure 5-15 VPR Buttons.........................................................................................................................................208
Figure 6-1 Setpoint Profile Summary Displays........................................................................................................221
Figure 6-2 Setpoint Trend Display With Menu........................................................................................................221
Figure 6-3 Horizontal and Vertical Trend Displays .................................................................................................222
Figure 6-4 Vertical Trend at 2X Zoom ....................................................................................................................224
Figure 6-5 Panel Display..........................................................................................................................................225
Figure 6-6 Four-Panel Display.................................................................................................................................226
Figure 6-7 Loop Displays.........................................................................................................................................227
Figure 6-8 Alarm Summary Display ........................................................................................................................228
Figure 6-9 Example of Primary Display ..................................................................................................................229
Figure 7-1 Data Storage Status Display ...................................................................................................................238
Figure 7-2 Control Loop Tuning Display.................................................................................................................249
Figure 8-1 RTD Calibration Connection..................................................................................................................258
Figure 9-1 Circuit Card Removal (VPR100 & VRX100) ........................................................................................264
Figure 9-2 Circuit Card Removal (VRX150)...........................................................................................................265
Figure 9-3 Locations Of AO DIP Switch S1............................................................................................................267
Figure 9-4 Location Of DIP Switch S1 On Discrete I/O Card .................................................................................268
Figure 9-5 Instrument's Rear Terminals ..................................................................................................................268
Figure 9-6 Location of Jumpers W2 and W3 ...........................................................................................................270
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VPR & VRX- User Manual
12/00
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