---
alias: user-guide-data-collection-limit-set-index
tags:
- data collection
description: "Defines configurable limits for data collections, enabling context-specific parameter adjustments"
---

# Data Collection Limit Set

:lock: DataCollectionLimitSet.**Show**

## Overview

To promote reusability of **Data Collections** across different contexts where only the limits are different, the object **Data Collection Limit Set** is used. The **Data Collection Limit Set** defines warning and error limits to be applied for a given **Data Collection** at a given **Step** context.

The **Data Collection Limit Set** can also be used to override the default parameter range validation.

The **Data Collection Limit Set** is a change controlled object. A **Data Collection Limit Set** is linked to a particular **Data Collection** and can be copied to other **Data Collections**.

Within a **Data Collection Limit Set**, there is a set of **Data Collection Parameter Limits**. Each **Data Collection Parameter Limit** defines optionally a target, and warning and error specification limits. It is also possible to specify in the **Data Collection** a **Protocol** to be opened whenever the warning and error limits are exceeded. In the eventuality that the error limit is exceeded and it has a **Protocol** associated with it, the warning **Protocol** (if any) is not opened.

For long-running **Data Collection Instances**, limit evaluation depends on two settings configured in the related **Data Collection**:

* **Data Collection - On Post**: limits are evaluated every time data is posted.
* **Data Collection - On Close**: limits are evaluated only when the instance is closed.
* **Data Collection Parameter - Individual Value**: limits are checked against individual values.
* **Data Collection Parameter - Calculated Value**: limits are checked against the calculated value defined by the parameter calculation and grouping mode.

!!! info
    Data Collection Limit Sets only apply to numeric parameters.

## Global and Versioned Data

```mermaid
graph TD
subgraph Data Collection Limit Set
Main1["Global Data<br>(Without Change Control)"] --- O1[None]
Main2["Versioned Data<br>(With Change Control)"] --- A2[All other]
end


classDef mermaid_title color:#000, fill:#fafafa, stroke:#fafafa, stroke-width:0x, font-size:100%, font-weight:200;
classDef mermaid_start color:#000, fill:#fafafa, stroke:#fafafa, color:#fafafa, stroke-width:0x, font-size:100%, visibility: hidden;
classDef mermaid_businessdata color:#000, fill:#65CDE8, stroke:#65CDE8, stroke-width:0px, font-size:100%;
classDef mermaid_nonbusinessdata color:#000, fill:#B7DEE8, stroke:#B7DEE8, stroke-width:0px, font-size:100%;
classDef mermaid_entity color:#000, fill:#FB9F53, stroke:#FB9F53, stroke-width:0px, font-size:100%;
classDef mermaid_entitylinked color:#000, fill:#FCD5B5, stroke:#FCD5B5, stroke-width:0px, font-size:100%;
classDef mermaid_context color:#000, fill:#B9CDE5, stroke:#B9CDE5, stroke-width:0px, font-size:100%;
classDef mermaid_optional color:#000, fill:#B7DEE8, stroke:#65CDE8, stroke-width:1px, font-size:100%, stroke-dasharray: 5 5;
classDef mermaid_state color:#000, fill:#d7e4bd, stroke:#000, stroke-width:1px, font-size:100%, font-weight:300;
class Main1,Main2 mermaid_entity
class A1,A2 mermaid_entitylinked
class C1,C2,C3,C4,C5,C6 mermaid_context
class O1 mermaid_optional
```

## Tying Everything Together

```mermaid
graph TD
    L1[Data Collection] === Main[Data Collection Limit Set]
    L2[Data Collection Instance] --- L1
    L2 --- A2[Maintenance Activity Order]
    A1[Material] --- L2
    Main === L3[Data Collection Limit Set Parameter]
    L3 --- A4[Parameter]
    Main --- A3
    L1 --- A3[Maintenance Activity]
    C1[Material Data Collection Context] -.- Main
    C2[Resource Data Collection Context] -.- Main

classDef mermaid_title color:#000, fill:#fafafa, stroke:#fafafa, stroke-width:0x, font-size:100%, font-weight:200;
classDef mermaid_start color:#000, fill:#fafafa, stroke:#fafafa, color:#fafafa, stroke-width:0x, font-size:100%, visibility: hidden;
classDef mermaid_businessdata color:#000, fill:#65CDE8, stroke:#65CDE8, stroke-width:0px, font-size:100%;
classDef mermaid_nonbusinessdata color:#000, fill:#B7DEE8, stroke:#B7DEE8, stroke-width:0px, font-size:100%;
classDef mermaid_entity color:#000, fill:#FB9F53, stroke:#FB9F53, stroke-width:0px, font-size:100%;
classDef mermaid_entitylinked color:#000, fill:#FCD5B5, stroke:#FCD5B5, stroke-width:0px, font-size:100%;
classDef mermaid_context color:#000, fill:#B9CDE5, stroke:#B9CDE5, stroke-width:0px, font-size:100%;
classDef mermaid_optional color:#000, fill:#B7DEE8, stroke:#65CDE8, stroke-width:1px, font-size:100%, stroke-dasharray: 5 5;
class Main mermaid_entity
class A1,A2,A3,A4,A5,A6,A7,A8,A9,A10,A11,A12 mermaid_businessdata
class L1,L2,L3,L4,L5,L6,L7,L8,L9 mermaid_entitylinked
class C1,C2,C3,C4,C5,C6 mermaid_context
class N1,N2,N3,N4,N5,N6 mermaid_nonbusinessdata

click L1 "../../business-data/data-collection"
click L2 "../../business-data/data-collection/data-collection-instance"
click A1 "../../business-data/material"
click A2 "../../business-data/maintenance-activity-order"
click A3 "../../business-data/maintenance-plan"
click A4 "../../business-data/parameter"
click C1 "../../administration/tables/smart-tables/materialdatacollectioncontext"
click C2 "../../administration/tables/smart-tables/resourcedatacollectioncontext"
```

## Sequence of Steps

The necessary steps for correctly using a **Data Collection Limit Set** are the following:

1. Create a **Data Collection**.
2. Create the **Data Collection Limit Set**.
3. Manage the **Step Data Collection Context**.

!!! info
    For convenience, the Document can be configured to use implicit Change Sets. For more information, see [Change Set](../change-set/index.md).

For more information, see the [[tutorials-data-collection-index]] tutorial.

{{ generate_index() }}