---
title: S7 Collector
slug: changelog/s7-collector
docTags: 
createdAt: 2025-12-23T08:32:17.857Z
---

## Compatibility

Collectors of all versions >= v1.0.0 are compatible with all Factry Historian versions >= v4.0.0, in both directions. However, for certain functionalities, certain minimum versions of the collector and Factry Historian are required.
More information is always available in the release notes.

### Feature Compatibility Matrix

This is the compatibility matrix for versions listed on this page. If you have downloaded a newer version than the one listed on this page, please check the release notes of that version.

| Feature                 | S7 Collector Version | Factry Historian Version |
| ----------------------- | -------------------- | ------------------------ |
| Collector Auto Update   | >= v1.0.0            | >= v6.4.0                |
| Settings Auto Migration | >= v1.0.1            | >= v7.0.0                |

## v1.1.1

Released on 16/07/2026

### Changes

- Updated the base collector to v3.5.3

## v1.1.0

### Changes

- [Updated the base collector to v3.5.2](docId\:dJs1GFlKyD1m31dXQH5CU)

### Bug fixes

- Explicitly close connection after every connect attempt

## v1.0.4

### Features

- Added support for `UINT` and `UDINT` data types

## v1.0.3

### Bug fixes

- Use "PLCDatatype" setting instead of "Datatype" in measurement settings when parsing S7 address

## v1.0.2

### Bug Fixes

- Updated required properties array in measurement settings schema

## v1.0.1

### Bug Fixes

- Added migration of "Datatype" to "PLCDatatype" in measurement settings
- Remove unnecessary range alignment check in S7 address parsing

## v1.0.0

Initial release of the S7 Collector.