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Setting power thresholds for production stop detection

Data from Sensorfact's current clamps can be used to automatically detect when a production line stops. This data helpsing you understand exactly how much of your planned production time is actually being utilized, and what stop reasons are costing you the most time.

When is this the right approach?
Before you begin, let's first confirm that your machine is a good candidate for energy-based stop detection.

  • This method works best for assets where power consumption is directly tied to the production state.

  • Ideally, the minimum energy used during production should be consistently higher than the maximum energy used when the machine is stopped or idle.

  • Watch out for cases where high power usage can occur during warm-up or cleaning cycles.

  • A common workaround is to install a current clamp on a specific component, like a small motor driving a conveyor belt, rather than the main power feed.

How to determine your threshold
To get accurate data, you need to find the specific power level that separates production from a stop.

  1. Navigate to Electricity -> Power in your dashboard.

  2. Select the specific asset you want to configure from the sidebar.

  3. Click the Display button and activate the 'min/max power range' feature.

  4. Use the calendar to zoom in on a recent time interval. We recommend a 59-minute window, as this allows you to see the data at its highest possible resolution.

  5. Look for a value that sits comfortably between the idle power and the production power. You want a threshold that is lower than the lowest production dip but higher than the highest idle peak.

Applying your changes

Once you have identified the correct value, you can update the platform to start tracking stops.

  1. Navigate to Settings -> OEE settings -> Asset parameters.

  2. Locate the relevant asset and enter your new value in the threshold field.

  3. Save your settings to activate power-based stop detection for that machine.

If you want to add more assets to this view, please reach out to us so we can activate them for you.

Options for other machine types

If energy-based detection isn't a good fit for a specific machine, we have other ways to capture its status. We can help you set up methods to measure production speed, count output units, or capture a status signal directly from the machine.

Please reach out to your CSM or Sensorfact contact person if you’d like a live demo of these alternative options or need help fine-tuning your current thresholds.