Version Information
Release Notes, Update information, Certifications and Frequently Asked Questions.
Concepts
Your first step into modern and powerful process visualization.
Deployment
Topics, you need to know, before using WinCC OA.
Security
Go beyond the norm in cybersecurity.
Engineering
Powerful tools for easy or complex engineering tasks.
- Project Administration
  The chapter contains a description of the process monitor as well as the project administration.
- Graphics Editor (GEDI)
  Used for creating and editing panels, provides tools for creating and configuring graphic objects.
- System Management
  The System Management is the central administrative unit for WinCC OA Systems.
- Wizard Framework
  Used for easy creation of wizards in a uniform layout style. The key elements "Navigation Bar" and "Bottom Bar" can be customized to fit the needs of the custom wizard.
- XML Panel Format
  The XML (Extensible Markup Language) panel format allows creating WinCC OA panels.
- Simple Symbols, basics
  The "Simple Symbols" functionality is used to simply assign corresponding symbols to data point types and increase the working comfort when working with different symbols.
- ScriptWizard
  Simple wizard for creating graphical user interfaces for users without prior programming knowledge.
- Panel topology/Group alert facility
  Tree structure for process panels with integrated group alert system
- Object-Oriented Panel References
  Reusable objects built with the GEDI tools. Insert them within an existing panel to provide a graphical element.
- Multilingual Projects
  WinCC OA is designed to provide both Native Language Support and Multi Language Support.
- Translator
  The WinCC OA Translator functionality supports you in creating and maintaining multilingual projects. It offers a convenient interface for translation of reusable terms.
- Layout management
  Layouts change the size and position of objects according to parameters previously defined in the GEDI.
- Generic Dialog Framework
  The Generic Dialog Framework is an easy way to generate your own dialogs by adjusting a set of prefabricated panels.
- Simple Configuration
  Simple configuration windows and panels support you in combining events (such as a mouse click) with different actions such as setting data point values, showing panels or changing attributes.
Data Management
Classify, structure and archive your data.
Business Logic / Control
Endless possibilities in data processing for your projects.
Data Visualization
User interfaces, Trends and Reports for every purpose and device.
Southbound Interfaces
The process connection to the actual machines/sensors.
Northbound Interfaces
Your portal to the cloud or supervising systems.
Web Connectivity / Network Interfaces
Data exchange, APIs and web technologies
User Management
All about authorization, authentication and login-customization.
Availability
How to get your system uptime to the maximum.
Reporting
Create state of the art project reports without limits.
Addons
Useful tools and enhancements for special demands.
Reference Tables
Detailed and extensive content for special project adaptation.
Videos & Tutorials
Explore the capabilities of WinCC OA with our carefully selected collection of video tutorials and guides.
WinCC OA Documentation
Basic information about terms and functions within the documentation.
Disclaimer
A brief clarification of liability exclusions or legal notices.

MQTT Configuration

Click the MQTT driver button in the system management panel to open the configuration panel.

Figure 1. System management - tab "Driver"

Figure 2. Configuration panel of the MQTT driver

Connection

You can select one of the existing connections via this combo box.

Create

Click on this button to open a input dialog for creating a new connection.

Remove

Allows to remove the selected connection. Active devices cannot be deleted.

Common settings

Establish connection

Defines if the connection to the broker shall be established when the connection is enabled.

Redundant connection

Allows to configure a redundant connection to the broker.

JSON Profiles

Click this button to open the following panel to edit the mapping of the available JSON profiles.

JSON Profile

Following JSON profiles are available:

Value
Value & timestamp
Value, timestamp & status

Note: The config entry jsonProfileStatus must be set to 1 for the Value, Timestamp & Status setting. Otherwise the status in the published message is always 0

WinCC OA Attribute

The WinCC OA to which the JSON node shall be mapped.

JSON object node

Select the respective text field to edit the JSON object node + path (e.g. "Temperature.Value" or "Info.Timestamp") which is mapped to the respective WinCC OA attribute.

Driver number

Select the appropriate driver number using this combo box.

Tabs

Following tabs provide additional configuration options:


Tab	Description
Connection	Configuration of host, user credentials, etc.
Advanced settings	Advanced settings (Connection establishment, intervals,etc.)
Certificate	Certificate settings
Last Will	Last will settings to define what the broker shall send to other clients if the driver loses connection.
State details	Details regarding the connection status
Statistics	Statistical information on data sent or received

Commands

Inverse GQ

Triggers an inverse general query which means that all output addresses are written.

State

State Host 1 / State Host 2

Displays the connection state of host 1 / host 2. Following states are possible:

0 - Inactive
1 - Disconnected
2 - Connecting
3 - Connected
4 - Disconnecting
5 - Failure