Devices Module (Reference) manages all communication between FrameworX and field devices through protocol drivers, providing a standardized layer for initialization, execution, and diagnostics.
The Device Module provides:
- Multi-protocol communication
- Channel/Node/Point architecture
- Native driver support
- Remote execution capability
- Real-time diagnostics
- Store-and-forward buffering
The module orchestrates field device communication through optimized grouping, parallel execution, and protocol-specific handling.
Overview
Links to Alarms Module tutorials, concepts, and how-to guides
On this page:
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Configuration Workflow
Step | Location | Description |
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Module Configuration
Configuration UI
→ Solution / Alarms / Items - tags and conditions to generate alarm. Include AlarmGroup for Ack/Log settings and AlarmArea for hierarchy.
→ Solution / Alarms / Groups - Collection of AlarmItems sharing properties such as AckRequired and LogEvents.
→ Solution / Alarms / Areas - Hierarchical grouping of AlarmGroups for better organization.
→ Solution / Alarms / Audit Trail - Logs changes and events when executing the solution, tracking who made changes and when. Useful for troubleshooting, analysis, and compliance.
Configuration Workflow
Device Module Configuration Workflow | |||
---|---|---|---|
Action | Where | Comments||
Create Channels | Devices | / Protocols→ Channels | Select | the Protocol from the list that supports your devices and use the Create Channel Button.
Create Channels | Devices / Channels | Alternatively, you can create channels directly in the Channels table. Learn more at Devices Channels. | |
Create Nodes | Devices / Nodes | The Nodes are the various Devices using the protocols defined at the Channel. Their main configuration settings is the PrimaryStation that identifies the Network address. Learn more at Devices Nodes. | |
Map Tags to Point addresses | Devices / Points | Map Tags or AssetTree elements to the Addresses on each field Device (Nodes). Learn more at Device Points. | Import Addresses Definitions | Optionally, you can Copy Tags from Excel/CSV from Excel or execute Tag Import Wizards. Learn more at Importing PLC Addresses. |
Create or Customize AccessTypes | Devices / AccessTypes | Optionally, you can optimize the communication, grouping Points with similar requirements to the same AccessType. Learn more at AccessType. |
Connectivity Hub
Native Communication Drivers
Our software supports numerous communication native communication protocols for HMI and industrial device interaction.
→ See the list of available Communication Drivers.
Standard protocols, such as OPC-UA, are also included, but for many devices, it's highly advantageous to use the native communication driver.
→ See more on Native vs OPC drivers.
Driver Development and Advanced Diagnostics
When using the platform, you don't need to understand the details of the protocol implementation because you can easily map the devices and the information you want to read or write from the device with our standard tools.
However, if you need to implement new protocols or require a deeper understanding of their inner workings for diagnostics or optimization purposes, it is necessary to understand the details of protocol implementation.
→ See more at Protocol Implementation Concepts.
Channels. Nodes and Points
When using the Devices module, you can use multiple protocols simultaneously.
• Channels: Define the protocol to be executed and the settings for that protocol.
• Nodes: Stations in the field network connected via the protocol. The Node configuration selects the Channel to define the protocol and its settings. Each Node will have the mapping for one or more Points.
• Points: Addresses within Nodes that are read from or written to on each Node.
When the system is running, it organizes the requests to maximize performance by creating groups when possible or opening a process for each Channel and multiple threads for each Node.
The exact behavior is dependent on the protocol characteristics.
Configuring the Devices Module
Simulator Drivers
The TSimulator driver is a communication protocol that allows users to generate random values in a variety of data types for testing and validation purposes. It is designed to be used with the Devices module and provides a set of flexible options that enable users to create accurate and customized simulations for their systems. TSimulator supports multiple data types, including BOOL, INTEGER, FLOAT, STRING, RAMP, and SINE. For each data type, the user can configure the minimum and maximum values that the simulation can reach, as well as other options such as string length for the STRING type or ramp step for the RAMP type.
Other simulators available:
- ValueSimulator (internal driver)
- OPC UA Simulator (external simulator)
- MQTTspB Simulator (external simulator)
- Modbus Protocol Simulator (external simulator)
Working with the Devices Module
Monitor Runtime Execution
You can control and monitor the Devices Module execution while running your solution in the Designer tool.
You can Run, Pause, or Stop the Historian module directly from the platform. Navigate to Runtime / Runtime Diagnostics to find the three buttons that you can use to control the module.
Navigate to Devices / Monitor, to see a table with current status of all Device Nodes.
Running Multiple Channel and Nodes
When using the Devices module, you can use multiple protocols simultaneously.
• Channels: Define the protocol to be executed and the settings for that protocol.
• Nodes: Stations in the field network connected via the protocol. The Node configuration selects the Channel to define the protocol and its settings. Each Node will have the mapping for one or more Points.
• Points: Addresses within Nodes that are read from or written to on each Node.
When the system is running, it organizes the requests to maximize performance by creating groups when possible or opening a process for each Channel and multiple threads for each Node.
The exact behavior is dependent on the protocol characteristics.
Handling Read And Write Events
AccessType defines the read/write rules for each point, including when write events occur (on tag value change or external trigger) and when read events occur (typically timer-based).
When a Read or Write event occurs, the platform will verify all affected Tags and Addresses, and send out the protocol messages, optimized according to the specifications of the selected protocols.
Communication feedback is available on the tag Quality property or system status variables, such as Device.Node.Node1.Status
.
protocol and configure settings | ||
Create Nodes | Devices → Nodes | Define devices with network addresses |
Map Points | Devices → Points | Link tags to device addresses |
Import Addresses | Various | Use import wizards or CSV/Excel |
Configure AccessTypes | Devices → AccessTypes | Optimize communication groups |
Architecture Components
Channels
Protocol definitions with communication settings:
- Interface configuration (Serial/TCP/UDP)
- Timeout settings
- Remote execution options
- Connection parameters
Nodes
Physical devices on the network:
- Primary/backup station addresses
- Channel assignment
- Import synchronization
- Device-specific settings
Points
Data addresses within devices:
- Tag mapping
- Data type configuration
- Scaling/modifiers
- Access control
Communication Drivers
Native Drivers
Direct protocol implementation advantages:
- Better performance
- Advanced diagnostics
- No middleware required
- Full feature access
See → Communication Drivers for available protocols
Simulator Drivers
For testing and validation:
- TSimulator - Random value generation
- ValueSimulator - Internal driver
- OPC UA Simulator - External
- MQTTspB Simulator - External
- Modbus Simulator - External
Runtime Operation
Execution Model
The module creates optimized communication groups:
- Groups by operand type and access pattern
- Process per channel
- Multiple threads per node
- 20ms queue scanning
- Parallel execution
Read/Write Events
AccessType controls trigger conditions:
- Timer-based polling
- Event-driven updates
- On-change writes
- Display activation
Quality Feedback
Monitor communication status:
csharp
// Tag quality (192 = good)
int quality = @Tag.Temperature.Quality;
// Node status
bool isOnline = @Device.Node.PLC1.IsOnline;
// Channel status
int status = @Device.Channel.Channel1.Status;
Monitoring and Diagnostics
Runtime Control
Control module execution:
- Run - Start communication
- Pause - Suspend temporarily
- Stop - Halt all operations
Access via Runtime → Runtime Diagnostics
Device Monitor
Real-time status at Devices → Monitor:
- Node connectivity
- Error codes
- Activity counters
- Invalid addresses
Built-in Tools
- PropertyWatch - Monitor values
- TraceWindow - Debug messages
- ModuleInformation - System status
Best Practices
System Design
- Plan modular architecture
- Separate device responsibilities
- Document configurations
- Scale appropriately
Performance Optimization
- Use OnDisplayOrServer for HMI data
- Group similar polling rates
- Optimize block sizes
- Monitor cycle times
Maintenance
- Regular software updates
- Hardware inspections
- Performance assessments
- Operator training
Common Issues
ControlLogix Configuration
PLC Type Selection:
- Default "Model OTHERS" may fail
- Select specific model (1756-L8X)
- Test communication after change
Micro850 Import:
- Use "From Filename" option
- Convert to L5K format
- Check slot configuration
- Typically requires slot 2
L5K Import Issues:
- Verify path and filename
- Try "From Filename" if device fails
- Check file format compatibility
Performance Issues
- Optimize polling rates
- Use appropriate AccessTypes
- Monitor data traffic
- Check network latency
Advanced Topics
Device Module vs TagProviders
Aspect | Device Module | TagProviders |
---|---|---|
Purpose | Field device communication | External system integration |
Configuration | Static, design-time | Dynamic discovery |
Control | Full read/write control | Variable access |
Use Case | PLCs, RTUs, I/O | Historians, databases |
Protocol Development
For custom drivers or advanced diagnostics:
- Understand protocol implementation
- Review driver architecture
- Test thoroughly
- Document thoroughly
See → Protocol Implementation Concepts
Troubleshooting Guide
Communication Failures:
- Check channel configuration
- Verify node addresses
- Test network connectivity
- Review error codes
Data Not Updating:
- Verify AccessType settings
- Check point configuration
- Monitor tag quality
- Review polling rates
Import Problems:
- Validate file format
- Check address syntax
- Review slot settings
- Test with simple import
Performance Degradation:
- Analyze polling rates
- Check network load
- Review group sizes
- Monitor CPU usage
In this section...
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Using Data Quality on Displays
Monitors can display and utilize the data quality of communication tags to ensure that accurate and reliable information is presented to operators.
Tip |
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Data quality is a critical aspect of any HMI/SCADA system. Our platform allows users to incorporate data quality into displays, providing a visual representation of data reliability and enabling operators to make well-informed decisions. This feature helps operators identify potential issues and take appropriate action to maintain system performance and safety. At Displays / Client Settings, you can setup to automatically use the Quality on text outputs on displays. |
Devices Advanced Topics
Importing PLC Addresses
Simplify the creation of communication Nodes and Point Addresses with various methods for automatic data configuration import. Users can copy and paste tables from Excel, import data from CSV files, and employ various Import Wizards for diverse data sources.
→ Read more about Importing PLC Addresses.
Native Driver vs OPC Server
Presents the additional set of features when using the native protocol for the Devices, instead of a third-party vendor OPC Server.
→ Read more about Native Driver vs OPC Server
Protocol Implementation Concepts
Deeper discussion on Protocols, intended to those who develop communication drivers, or require advanced diagnostics in existing protocols.
→ Read more about Protocol Implementation Concepts
Devices Module vs TagProvider Connections
While both the Devices module and TagProvider Connections facilitate data exchange, they have different focuses and are applied to distinct types of interaction with data, aiming to meet different requirements.
→ Read more about Devices Module and TagProviders
Devices Runtime Attributes
The Devices Namespace exposes properties and methods from the .NET objects used by the Device Module execution.
→ Read more on the page Devices Advanced Topics.
Best Practices and Troubleshooting
Best Practices and Recommendations
System Design
Plan and design your industrial automation system with scalability and maintainability in mind. Use a modular approach, separating responsibilities between devices, ExternalTags, and other modules. This promotes efficient workflows and simplifies system management.
Documentation
Keep thorough documentation of your system, including device configurations, communication settings, and customizations. This will help with troubleshooting, maintenance, and future system upgrades.
Training
Ensure that operators and maintenance personnel are well-trained in using the platform and understand the specific configurations of your system. This will enable them to identify and resolve issues efficiently, minimizing system downtime.
Regular Maintenance and Updates
Schedule regular maintenance for your system, including software updates, hardware inspections, and performance assessments. This proactive approach will help to identify potential issues before they escalate, ensuring the reliability and performance of your industrial automation system.
Built-in Diagnostics tools
There are three built-in tools for diagnostics of the software solution and runtime: PropertyWatch, TraceWindow and ModuleInformation.
Info |
---|
Read information specific to Devices Diagnostics in Devices Monitor. |
Common Issues and Solutions
ControlLogix PLC Type
In the PLC Address Import section under Devices / Points, it is important to ensure that the correct protocol option is selected when connecting ControlLogix PLCs. In some cases, the default option "Model OTHERS" may not work correctly, and it may be necessary to select a specific model, such as "Model 1756-L8X". If you encounter issues with a ControlLogix Channel not sending or receiving values, try changing the protocol option to the specific model and test the communication.
ControlLogix Micro850
In the current version of the driver, specifically the Micro850 model (accessed in Devices / Channels / ProtocolOptions / Model), an error occurs when importing tags into the device node using the "From Device" option, which is expected due to the way the driver's API was implemented. We have a solution for this, which involves importing using the "From Filename" option. Our platform only accepts files in the .L5K format, in the case of .xlsx files or similar, it is necessary to open them in a table editor, make the necessary modifications, and export as .CSV, which can then be imported in Solution Settings / Import Tags / CSV File.
It's important to pay attention to the slots of the nodes because, depending on the configurations, it may only work with a specific slot depending on the physical architecture of how the PLC is set up, for example slot 2.
From there, simply configure to synchronize using the "From Filename" option, and the connection will function correctly.
Importing L5K from ControlLogix
In the PLC Address Import section under Devices / Points, it is important to ensure that the path and file name are correct when importing L5K files using the "From Filename" or "From Device" options. In some cases, the "From Device" option may fail, and it may be necessary to use the "From Filename" option with the L5K file to make it work correctly.
Performance
Optimize the polling rates and access types for data points to reduce unnecessary data traffic and improve system performance. Use the OnDisplayOrServer
, AccessType
for efficient data reading when the application is using the data.
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