Compatibility Matrix
TIA Portal Openness by Version
Comprehensive overview of all TIA Portal Openness API features supported across versions V16 to V21. Check what's available for your automation projects.
V16
2019
Legacy
V17
2021
V18
2022
V19
2023
V20
2024
V21
2025
Supported
Not supported
Project & General
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Create / Open / Save | ||||||
| Archive | ||||||
| Compile | ||||||
| MultiUser Engineering | ||||||
| Unique Object IDs |
Blocks
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Import / Export | ||||||
| LAD Logic | ||||||
| FBD Logic | ||||||
| SCL Programming | ||||||
| Safety Blocks | ||||||
| Text Format LAD | ||||||
| SIMATIC Source Documents | ||||||
| DB Snapshots | ||||||
| Multilingual Comments |
Tags
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Create / Import / Export | ||||||
| Rename Tags | ||||||
| Per-Device Access |
HMI
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Screens / Tags / Alarms | ||||||
| HMI Unified | ||||||
| Dynamizations | ||||||
| Text Lists | ||||||
| Unified Edge RT |
Online
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Download / Upload | ||||||
| Go Online | ||||||
| Comparison | ||||||
| VOT Download |
Libraries
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Access | ||||||
| Create Types | ||||||
| Master Copy | ||||||
| NVT Workflows |
VCI (Version Control)
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Connect | ||||||
| Sync | ||||||
| Export Workspace | ||||||
| SIMATIC Source Format | ||||||
| Git Integration (CI/CD) |
Add-Ins
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Full Trust | ||||||
| Context Menu Icons | ||||||
| Language Aware | ||||||
| Install without Admin | ||||||
| Certificate Display |
UMAC & User Management
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Functional Rights | ||||||
| UMC Users / Groups |
SiVArc
| Feature | V16 | V17 | V18 | V19 | V20 | V21 |
|---|---|---|---|---|---|---|
| Unified Edge RT | ||||||
| YAML Layout Reuse | ||||||
| CFL Support |
About This Matrix
This compatibility matrix is based on official Siemens TIA Portal Openness documentation. T-IA Connect automatically adapts to the available features of your installed TIA Portal version. Some features may require additional licenses or specific hardware.
Last updated: 2026-01-23