--- title: "Built-in Algorithms" slug: "built-in-algorithms" type: "index" canonical: "learn.servitly.com/built-in-algorithms" --- > ## Documentation Index > Fetch the complete documentation index at: https://learn.servitly.com/llms.txt > Use this file to discover all available pages before exploring further. # Built-in Algorithms 10 articles ## [Aggregation](https://learn.servitly.com/docs/aggregation.md) Updated on 2025-08-28 | Published on 2024-10-15 Apply an aggregation function to the values of a metric. This algorithm takes as inputs the values of a metric, and apply to them one of the following aggregation functions: Minimum : the minimum... ## [Connection Index](https://learn.servitly.com/docs/connection-index.md) Updated on 2026-02-12 | Published on 2024-10-15 A DPS system works well if all products are almost always connected and data flows to and from the system without interruption or loss. The Connection Index of a connected product is a numerical value... ## [Counter](https://learn.servitly.com/docs/counter.md) Updated on 2024-10-23 | Published on 2024-10-15 Apply a counting function to the values of a metric. This algorithm takes as inputs the values of a metric, and apply to them one of the following counting functions: Count : count the metric values.... ## [Downtime](https://learn.servitly.com/docs/downtime.md) Updated on 2024-10-25 | Published on 2024-10-15 Machine downtime refers to the period during which a machine or equipment is not operational or available for use due to various reasons such as maintenance, repairs, breakdowns, changeovers, or any... ## [Energy](https://learn.servitly.com/docs/energy.md) Published on 2026-07-28 In industrial and commercial environments, machines continuously generate streams of instantaneous power data (kW). While this real-time information is essential for operational monitoring, it does... ## [Proper Functioning Index](https://learn.servitly.com/docs/proper-functioning-index.md) Updated on 2024-12-11 | Published on 2024-10-15 The Proper Functioning Index (PFI) refers to a percentage of time a machine has been running properly every day. The index calculation takes into account the number of FAILURES and ANOMALIES having an... ## [Time-based Wear Computation](https://learn.servitly.com/docs/time-based-wear-computation.md) Updated on 2024-10-23 | Published on 2024-10-15 Calculates the wear level of a machine component based on hours of use. This algorithm takes as input the number of hours a certain component has been used, typically you can use the Working Time .... ## [Uptime](https://learn.servitly.com/docs/uptime.md) Updated on 2024-10-25 | Published on 2024-10-15 Machine uptime refers to the time for which a machine, or an equipment, remains operational and available for use. It's a measure of reliability and efficiency, indicating how long a machine has been... ## [Weighted Average](https://learn.servitly.com/docs/weighted-average.md) Updated on 2024-10-23 | Published on 2024-10-15 This Algorithm calculates the weighted average given the input metrics and weights. Each input value is multiplied by its respective weight, the products are then summed and divided by the sum of the... ## [Working Time](https://learn.servitly.com/docs/working-time.md) Updated on 2026-09-02 | Published on 2024-10-17 The working time refers to the duration during which a machine is actively engaged in performing its intended tasks or operations. It covers the period when the machine is turned on, in operation, and...