| Parameter |
PlantTriage |
Fieldbus (AMS/FieldVue) |
Notes |
| Drag and Drop one device to another |
Yes |
Yes |
PlantTriage's powerful configuration tools allow for fast
configuration including bulk import. |
| Diagnostics without trip to field |
Yes |
Yes |
PlantTriage presents results in a browser display. |
| Slewing error, spring rate, seat load |
No |
Yes |
PlantTriage uses the performance data from the valve and the
entire loop performance. |
| Diagnostics without trip to plant |
Yes |
No |
PlantTriage Browser displays can be
viewed anywhere in the
corporate intranet. |
| Valve Signature |
Yes |
Yes |
|
| Valve and Process linearization |
Yes |
No |
PlantTriage, gives you the tools, methods, and equations to linearize the entire
control loop. |
| Dynamic Error Band |
Yes |
Yes |
PlantTriage quantifies the effect on
plant operations as a result of poor error band. |
| Drive Signal |
Yes |
Yes |
PlantTriage verifies this with the
process performance feedback. |
| Hysteresis check |
Yes |
Yes |
|
| Hysteresis check done automatically without interrupting the process |
Yes |
No |
Fieldvue requires this to be done on a per valve basis, PlantTriage
does it automatically for the entire process (every
monitored valve in the plant) without interrupting operations. |
| Benchmarking |
Yes |
Yes |
|
| Benchmarking in context with entire operation |
Yes |
No |
PlantTriage benchmarks the entire loop in the context of how it
affects the overall plant operation. |
| Friction |
Yes |
Yes |
PlantTriage calculates
stiction from online data at various operating points. |
| Can perform all diagnostics using 4–20 ma |
Yes |
No |
PlantTriage requires no costly and manpower intensive digital protocols. |
| Can perform all diagnostics on any signal |
Yes |
No |
Via OPC
PlantTriage analyzes any signal. |
| Can perform diagnostics from normal plant data |
Yes |
No |
Much of the analysis and all 40 of PlantTriage assessments
require no special tests. For the assessments, all controls and
valves stay in automatic.
|
| Performs diagnostics on all loops 24x7 and summarizes |
Yes |
No |
PlantTriage looks at all valves,
regardless of signal type on a continual basis. |
| Organizes and prioritizes maintenance on all valves |
Yes |
No |
PlantTriage organizes and prioritizes valves needing
work based on business importance. |
| Open interfaces to all Plant Historians |
Yes |
No |
PlantTriage has open industry standard interfaces for
bi-directional communication to all popular
historians. |
| Historical performance tracked |
Yes |
No |
PlantTriage keeps real-time performance
metrics and diagnostics for two years. |
| Index of performance improvements possible |
Yes |
No |
PlantTriage gives indexes of possible performance improvements for
each valve as part of a control loop allowing you to quickly
pinpoint under-performers. |
| Web based reporting and viewing |
Yes |
No |
Browser based displays and reports allow anyone in the enterprise
view all information. |
| Scheduled or on demand reports |
Yes |
No |
Reports summarizing all valve performance in a plant available on
demand or scheduled. |
| Installed cost of $100/valve |
Yes |
No |
The PlantTriage solution can be installed without any field work
or plant downtime for about $100/valve. |
| Total loop metrics including valve performance |
Yes |
No |
In addition to powerful valve diagnostics, the performance of the
complete functioning loop are tracked. |
| Impact on other parts of process determined |
Yes |
No |
With spectral analysis performed on valve performance this can be
correlated to other parts of the process. |
| Requires Hart or FF |
Hart or FF not needed |
Yes |
PlantTriage works with any field protocol right out of the
box. |
| Viewable from anywhere in the corporation |
Yes |
No |
Browser based reports are available anywhere in the plant. |
| Effect on total plant performance calculated |
Yes |
No |
The impact of valve metrics are calculated for the unit, plant and
site performance. |
| Total valve travel calculated,
benchmarked, and tracked |
Yes |
No |
PlantTriage tracks valve travel for predictive performance and
proactive maintenance. |
| Total valve reversal calculated, benchmarked and tracked |
Yes |
No |
PlantTriage tracks valve reversals for in conjunction with valve
travel for predictive performance and proactive maintenance. |
| Valve standard deviation calculated, benchmarked and tracked |
Yes |
No |
PlantTriage calculates and tracks this crucial metric for early
detection of other automation performance issues. |
| Valve variance calculated, benchmarked, and tracked |
Yes |
No |
PlantTriage calculates and tracks this essential metric for
optimizing the performance of the entire process against operating
objectives. |
| Detects loop oscillations |
Yes |
No |
PlantTriage oscillation
detection automatically alerts you to oscillations
occurring in any loop. |
| Oscillation diagnosis |
Yes, automatic |
No |
PlantTriage automatically
diagnosis the cause of the oscillation to be either from
the valve, PID tuning, or a load upset. |
| Root-cause oscillation analysis |
Yes, automatic |
No |
PlantTriage root-cause
diagnosis makes it easy to find the "bad actor" loop in a
plant. |
| Valve health |
Yes, automatic |
No |
PlantTriage valve health is determined from a
combination of metrics you choose. |
| Process trends |
Yes |
No |
PlantTriage historizes every process variable, CO and SP for 6
months (indefinitely if you off-load data). All diagnostics and
assessments kept for 2 years. All can be trended and compared
over time with an unlimited number of other trends. |
| 6 SIGMA support—Define |
Yes |
No |
PlantTriage categorizes the plant into Unit Operations. |
| 6 SIGMA support—Measure |
Yes |
Yes |
|
| 6 SIGMA support—Analyze |
Yes—complete |
Yes—some |
PlantTriage includes all the tools of PID Tuner/Analyzer to
analyze and troubleshoot. |
| 6 SIGMA support—Improve |
Yes |
No |
PlantTriage includes PID Tuning, best filter, and characterizer
builders that will improve the process. |
| 6 SIGMA support—Control |
Yes—complete |
Yes—some |
PlantTriage includes customizable benchmarking tools: key
assessments, baselines and thresholds. These make monitoring the
improvements meaningful to your business. |
| Valve importance economically weighted |
Yes |
No |
Economic weighting allows you to better match process to the
business objectives. For example, for two valves of the same
health, the one with higher economic weight gets attention
first. |
| Process model identification |
Automatic |
None |
PlantTriage automatically identifies the model of the process for
simulation, analysis and PID tuning. A model quality value is
also given. |
| PID Tuning |
Yes |
No |
PlantTriage seamlessly integrates all the power of ExperTune's Standard PID Tuner. |
| Valve wear analysis |
Yes |
No |
PlantTriage seamlessly integrates the power of ExperTune's Advanced PID Tuner. |
| Robustness analysis |
Yes |
No |
PlantTriage seamlessly integrates the power of ExperTune's Advanced PID Tuner. |
| Customizable, fast loop reports |
Yes |
No |
Loop reports in Microsoft
Word. |
