WinCC/Downtime Monitor
Detection and analysis of downtimes
With the WinCC/DowntimeMonitor, the machine data management software,
downtimes in machine-oriented or line-oriented production facilities can be
detected and analyzed centrally. For individual units, machines or entire
production lines, the following specific parameters can be derived from this.
- OEE (Overall Equipment Efficiency),
- MTBF (Mean Time Between Failures)
- MTFF (Mean Repair Time)
- and other so-called Key Performance Indicators (KPI).
In doing so, production equipment can be defined individually by plant
Benefits
- Complete transparency about the plant and machinery as the basis of
optimizing plant productivity, this means:
- Avoiding disturbances and bottlenecks
- Increasing availability
- Deriving specific parameters (KPI)
- Integrating appropriate display instruments (controls) in WinCC
process pictures
- Can be used for individual machines up to complete production
facilities
- Distributing evaluations to different people across the Web
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Error cause analyses provide information about the frequency and duration of
machine or plant downtimes. Corresponding indicators can easily be integrated
into the WinCC process screen.

Fig. DowntimeMonitor - Key Performance Indicators at a glance
In the DowntimeMonitor, the time model of the production equipment is
determined from the production times, maintenance times and downtimes. Via a
shift calendar, the shifts can also be included in the analysis. All plant
statuses relevant for the analysis are parameterized in a detailed reason tree.
The acquired data provides information about the efficiency of individual
machines and entire production plants. The transparency of the data makes it
possible to quickly respond to malfunctions and to take corrective measures,
which again increases the machine availability.
All analysis results are integrated into the WinCC screens in the form of
controls. Here, several indicators are distinguished between
- Gantt- and Pareto-charts
- Bar or column charts
- Trends or tables
The displayed data can be processed with WinCC and the WinCC options, and be
distributed to different persons via Web.

Fig. DowntimeMonitor - Analysis via Gantt Charts
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