Aspen PID Watch™
PID loop monitoring and diagnostics
Aspen PID Watch is a full end-to-end solution for regulatory control loop performance assessment and is part of the Aspen Watch™ Desktop product. Aspen PID Watch provides analysis, reporting, simulation, and tuning functions for PID loops. It was designed to automatically monitor and evaluate the performance and of a large number of PID control loops on a regularly scheduled basis. Setup takes just a few minutes via a wizard based configuration utility. Aspen PID Watch is a core element of AspenTech’s aspenONE® Advanced Process Control applications.
Features
- Easily add loops to be monitored from the desktop or the web
- Associates PID loop information with DMCplus variables
- Creates PID Loop records including cascades
- Tests I/O connections and starts the data collection process
- Automatically scan the variables in an application and identify possible PID loops in the list of MVs and CVs
- Automatically slice bad data resulting from valve saturation, PID mode changes, process upset detection, and bad measurement readings
- Expanding range of performance monitoring applications
- State Monitoring
- APC Performance Monitoring
- Controller Diagnostics
- PID loop monitoring
- Performance Index Chart
- Closed Loop Impulse Response Plots
- Control Error Auto-Correlation Plots
- Closed Loop Frequency Response
- Control Valve Stiction Plots
- Automatic alarms when PID loop performance degrades
- Flexible reporting
- Various shift/daily/weekly reports for controller performance
- Track to highlight operator changes to limits/status
- % time in different control modes
- Control performance statistics and trends
Benefits
- Quickly identify and correct PID performance problems
- Simplify the task of identifying optimal tuning parameters
- Create scheduled and ad hoc reports