Comparison of Standard & Advanced (DCS)
The ExperTune Advanced package is required for DCS systems and optional for all
other controllers.
| Feature | Standard (PLC) | Standard Plus (PLC) | Advanced (DCS) |
|---|---|---|---|
| Support for all single loop controllers and PLCs | Yes | Yes | Yes |
| Support for all DCS Controllers | — | — | Yes |
| PID Tuning optimized for load upsets or set point changes (from data collected in auto or manual) | Yes | Yes | Yes |
| PID Tuning Table Summarizes Your Tests | — | Yes | Yes |
| Traditional Lambda tuning rules (including Lambda for level) | — | Yes | Yes |
| Safety Factor: Adjust the safety factor for the tradeoff between response and robustness you want. | Yes | Yes | Yes |
| Performance Increase: Tells you how much better the response will be with the new settings. | Yes | Yes | Yes |
| Performance Summary Window | — | Yes | Yes |
| Performance Evaluation One glance at the bar graphs let you easily compare and evaluate the trade-offs in your control loop. | — | Yes | Yes |
| Process Modeling, up to second order with dead time, including integrators. (From open or closed loop data.) | Yes | Yes | Yes |
| Modeling selections Ability to force the model structure. Creates the DMC vector. | — | Yes | Yes |
| Time simulation of setpoint changes or load upsets. What-if analysis of current to new. Try out new values in simulation without effecting the plant. | Yes | Yes | Yes |
| Time simulation: Comparison of actual to model. See how close the model fits your time data. | — | Yes | Yes |
| Time simulation: Simulated response to noise. Includes valve wear indices. | — | Yes | Yes |
| Robustness Plot: Trade-off between tight tuning and sensitivity to dead time or gain changes. | Yes | Yes | Yes |
| Robustness Plot: Dial in the robustness you want (by dragging the robustness line). | — | Yes | Yes |
| Process Frequency response (compared to model). | Yes | Yes | Yes |
| Hysteresis check—automatic. Improve control by reducing hysteresis. | Yes | Yes | Yes |
| Hysteresis check—manually choose locations. Gives you more control of hysteresis checking. | — | Yes | Yes |
| Graphically zoom in, edit, filter, or average your time data. | Yes | Yes | Yes |
| Manually zoom in and set display ranges on the time data plot. | — | Yes | Yes |
| Statistical Analysis. Reduce variability to increase product quality and capacity. | Yes | Yes | Yes |
| Statistical Analysis includes valve wear indicators—see how your valve life has improved. | — | Yes | Yes |
| Valve Wear Analysis. Extend valve life. Reduce valve maintenance. | — | Yes | Yes |
| PV Filter Analysis. Significantly reduce valve wear. Finds largest possible filter. | — | Yes | Yes |
| Unfilter your PV Remove the effects of a PV filter. See the signal as if it were not filtered. | — | Yes | Yes |
| Valve Stiction Wizard: Correct stiction problems to reduce cycling. | — | Yes | Yes |
| Time Line:Correcting deficiencies in the time line will improve the performance of the loop. | — | Yes | Yes |
| Multi-Variable Loop Analysis: Number of extra trends (to DDE, or OPC). Monitor other variables on the same faceplate or trend. | 1 | no limit | no limit |
| Multi-Variable Loop Analysis: Add extra loops (to DDE, or OPC). Match variables for modeling, analysis, simulation, tuning, or interactions between loops. | — | Yes | Yes |
| Multi-Variable Loop Analysis: Relative Response Time. Decouple interacting loops and cascades. | — | Yes | Yes |
| Feedforward system design, unique, and robust. | — | Yes | Yes |
| Auto and cross correlation. Multi-Variable loop analysis. See how loops effect one another. | — | Yes | Yes |
| Characterizer—Optimal performance at all production rates. Linearizes your process for optimal performance across the entire range. | — | Yes | Yes |
| Universal Linearizer for pH Loops. pH control with little or no cycling. | — | Yes | Yes |
| Level Control Wizard helps you optimize your level strategy in all types of vessels. | — | Yes | Yes |
| Power Spectral Density. Pinpoint process faults by uncovering hidden cycles. | — | Yes | Yes |
| Histogram. Identify problems from normal operating data. | — | Yes | Yes |
| Inverse response (shrink-swell) process analysis, modeling, simulation, and tuning | — | Yes | Yes |
| Reporting: Creates full report of your loop analysis in MS Word. | Yes | Yes | Yes |
| Advanced reporting. Customize your report templates in MS Word. | — | Yes | Yes |
| Set Point Filter. Great response to both loads and set point changes | — | Yes | Yes |
| Easy Connection to PLCs and single loop controllers via Setup wizards. With OPC or DDE option. | Yes | Yes | Yes |
| Setup wizards make it super easy to connect your DCS systems. With OPC or DDE option. | — | Yes | Yes |
| Tune and analyze data from your plant historian (via OPC HDA) | — | Yes | Yes |
| OPC Communication option available. | Yes | Yes | Yes |
| ASCII Communication option available. | Yes | Yes | Yes |
| Multi-Channel communication option available. Includes connection via DDE or ExperTune's A/D Converter. | Yes | Yes | Yes |
| Manually set min max on time plot. | — | Yes | Yes |