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Siemens S7 Plus releases

Written by Benjamin Pinnerup

Updated at October 6th, 2026

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  • Installation & Technical information
    Introduction SIA Connect Standalone SIA Connect Standalone Plus SIA Connect ANY-Ware Cellular & WiFi connectivity
  • Edge Portal (Next-gen)
    Getting started with the Edge Portal Workspace Configuration Instances Data Interfaces Tools
  • Connectors
    Industrial Connectors Databases Cloud Connectors
  • Scripting & Variables
    Data formatting Advanced Data Processing
  • Developers
    API documentation Shadow API
  • Tutorials & Guides
    InfluxDB AWS IoT Core - Amazon Web Services Microsoft Power BI KaaIoT Siemens S7 AVEVA Insight SIA Connect Demo Rack Grafana Notification & Messaging Azure Cumulocity MQTT MS SQL OPC-UA Server
  • General
  • Configuration in the Edge Portal (legacy)
    Getting started with the UI Connectors Instances Items Mapping Data System Network Tools & Add-ons DigiCert IoT Trust Manager Remote Access & VPN tunneling
  • Security
+ More

Internal Article

 

 

SIA Connect Standalone (ARM32) SIA Connect Standalone Plus (ARM64) ANY-Ware
(x86)
Changelog
Siemens_S7_Plus-0.2.2 Siemens_S7_Plus-arm64-0.2.2 Siemens_S7_Plus-x86-0.2.2

2026/10/02

  • [Bugfix] Connection, tag browsing and reads for S7-1500 firmware V2.0 to V2.8. These CPUs use the legacy encrypted S7 session.
Siemens_S7_Plus-0.2.1 Siemens_S7_Plus-arm64-0.2.1 Siemens_S7_Plus-x86-0.2.1

2026/09/11

  •  [Feature] Network device discovery. 
  • [Feature] PLC tag discovery for S7-1200 and S7-1500.
  • [Feature] View device identity as items.
  • [Feature] PLC username and password settings.
  • [Bugfix] Fixed connection, tag browsing and reads for S7-1200 CPU 1214C (6ES7 214-1AG40-0XB0) firmware 4.1.
Siemens_S7_Plus-0.1.3 Siemens_S7_Plus-arm64-0.1.3 Siemens_S7_Plus-x86-0.1.3

2026/03/22

  • Improved reading and writing from UDT arrays
Siemens_S7_Plus-0.1.2 Siemens_S7_Plus-arm64-0.1.2 Siemens_S7_Plus-x86-0.1.2

2026/03/17

  • Improved reliability when browsing and reading complex PLC data structures on large projects
  • Added better handling for structured tags so nested values are discovered and read more consistently
  • Improved recovery from large PLC metadata responses to reduce missing symbols during browse operations
  • Increased robustness of symbolic reads for projects with extensive tag databases and complex type hierarchies
Siemens_S7_Plus-0.1.1 Siemens_S7_Plus-arm64-0.1.1 Siemens_S7_Plus-x86-0.1.1

2026/02/24

  • Extended Siemens S7 Plus (beta) with backward-compatible legacy protocol support
  • Added prioritized connection strategy: TLS (preferred) -> legacy symmetric-key mode -> legacy raw unencrypted mode
  • Improved compatibility with older PLC firmware below V4.5 on S7-1200 PLCs and below V2.9 on S7-1500
  • Added native legacy symmetric authentication backend
  • Improved symbolic browse/read behavior in legacy modes
Siemens_S7_Plus-0.1.0 Siemens_S7_Plus-arm64-0.1.0 Siemens_S7_Plus-x86-0.1.0

2026/02/17

  • Initial release

 

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