Table of Contents

OPC Labs Home Page

Table of contents for the OPC Labs Knowledge Base (under construction).

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Connectivity Software

1. What's New
2. Common Conventions
3. Development Conventions
4. Versions
5. Bonus Material
6. Telemetry Privacy Policy
7. Year 2038 Problem
8. Branding Connectivity Software
9. Full installer Types, Components and Tasks

OPC

1. OPC Glossary
2. Automated Testing of OPC Clients using the CTT
3. A (Partial) Story of OPC URLs
4. About OPC Standards and Technologies
5. OPC Q&A
6. Videos from OPCTI explaining what OPC is, how people are using it and why
7. 5 Steps for DCOM Configuration, from OPCTI
8. Complex Data
   • Comparison of OPC UA complex data models
9. Why You Shouldn't Write Low-Level OPC Code Yourself

MQTT and Sparkplug

1. MQTT Brokers for Experiments
2. A primer on Chariot MQTT Server
3. A primer on Eclipse Mosquitto
4. A primer on HiveMQ Broker

QuickOPC

1. • QuickOPC Versions
2. QuickOPC Videos From Software Toolbox
3. StreamInsight Extensions for QuickOPC
4. Why is delivery over NuGet feed used for .NET Core?
5. Migrating QuickOPC applications from OPC Classic to OPC UA
6. How to develop compliant OPC-UA clients
7. QuickOPC-UA Timeout Settings
8. Authenticating with OPC UA user certificate in QuickOPC

Examples

1. • Intrinsic component configuration examples
2. Examples - OPC Data Access
   • QuickOPC.NET: How to create a simple HMI screen
   • QuickOPC.NET: How to log OPC Alarms and Events notifications into an XML file
   • QuickOPC.NET: How to log OPC Data Access item changes into a SQL Server database
   • QuickOPC.NET: How to log OPC Data Access item changes into an XML file
   • How to read an OPC UA node value in FSharp
   • How to read an OPC item value in PowerShell
   • How to subscribe to OPC data changes in PowerShell
   • How to access OPC from Xojo (REAL Studio, REALbasic)
   • How to read an OPC item value in Excel
3. Examples - OPC Unified Architecture
   • How to specify a deadband (VBA, OPC UA)
   • How to subscribe to OPC UA data changes in FSharp
   • How to log OPC Unified Architecture data changes into a SQL Server database
   • How to read an OPC-UA node value in Excel
   • Using QuickOPC with Trill
4. OPC development in F#
5. OPC development in PowerBuilder
6. QuickOPC-COM in C/C++
7. OPC with Trill
8. OPC development in Visual FoxPro
9. OPC with Microsoft SQL Server
10. Get OPC data into Perl

Excel Connector

1. • Excel Connector Versions
2. How to extract array elements in Excel Connector

OPC Wizard

1. • OPC Wizard Versions

Rapid Toolkit for Sparkplug

1. • Rapid Toolkit for Sparkplug Versions

Fundamentals

1. Benefits
2. Non-guarantees

1. Security
   • OPC Classic Security
     • COM management
     • COM settings in OPC Classic client components
   • OPC UA Client-Server Security
     • A primer on OPC UA certificate stores
   • OPC UA PubSub Security
   • Security Bulletins
2. Application Administration
   • OPC UA Application URI Derivation
3. OPC UA PubSub Transport Profiles
4. Enhanced Host Name Resolution
5. Inside the Python support in QuickOPC

Development Models

1. Imperative Programming Model
   • Event Pull Mechanism
   • OPC A&E Notification Handler Pseudo-Code
   • Technical note-OPC UA Discovery in QuickOPC
   • Creating an OPC UA event filter in COM
   • First experiences using QuickOPC with Free Pascal (Lazarus)
   • Reference counting in Delphi
   • Using QuickOPC from Visual C++ 6.0
2. Live Mapping Model
3. Live Binding Model
   • Extracting array element in Live Binding
   • Implementing a data converter component
4. Reactive Programming Model

Features

1. Dialog: Administer OPC UA Application
2. OPC UA File Transfer
   • OPC UA File Transfer concepts
   • OPC UA File Transfer internals
3. OPC UA PubSub JSON mapping component
4. OPC UA PubSub Automatic Message Mapping Recognition
5. OPC UA PubSub Sniffing
   • OPC UA PubSub Sniffing concepts

Library Packages

1. Communication packages
   • Using communication packages
   • MQTT communication packages
     • OpcLabs.Mqtt communication package
     • OpcLabs.MqttNet communication package
     • File-based MQTT emulation
   • OpcLabs.Pcap communication package
2. Plugins
   • Certificate security plugin

Configuration and Instrumentation

1. Low-Level Configuration
   • Diagnostics Configuration
   • How to disable prerequisites boxing
   • How to force usage of built-in OPC proxies and stubs
   • OPC UA .NET SDK Configuration
   • Assemblies.config files
2. High-Level Configuration
   • High-Level Intrinsic Configuration
   • Intrinsic Component Configuration
   • OPC XML Configuration
3. Tracing (Instrumentation)
   • QuickOPC: How to enable extended tracing
4. Logging (Instrumentation)

Tools and Online Services

1. Command-Line Utilities Concepts
2. Tool Downloads
3. Connectivity Explorer
   • Connectivity Explorer Overview
   • Connectivity Explorer tips and tricks
4. UA Configuration Tool
   • UA Configuration Tool Overview
5. Demo Servers and Publishers
   • OPC Classic Demo Servers
     • Kit Server: Alarms and Events test nodes in Data Access
     • Kit Server: Items for volume testing
   • OPC XML Demo Servers
   • OPC UA Demo Servers
   • OPC UA Demo Publishers
     • UADemoPublisher Basics
     • How to publish or subscribe to secure OPC UA PubSub messages
6. OPC UA PubSub Formatter
   • OPC UA PubSub Formatter Overview
7. SparkplugCmd Utility
   • Broker connection in SparkplugCmd utility
   • Using SparkplugCmd Utility as Sparkplug host application
   • Using SparkplugCmd Utility as Sparkplug Edge Node
8. Test Tools

OpcCmd Utility

1. OpcCmd Utility Tips and Tricks
2. Using OpcCmd Utility as OPC DA Client (also OPC XML-DA)
3. Using OpcCmd Utility as OPC A&E Client
4. Using OpcCmd Utility for Static OPC UA Operations
5. Using OpcCmd Utility as OPC UA Client
   • OPC UA Client Application Operations in OpcCmd
   • Using OpcCmd Utility for OPC UA File Transfer
   • Using OpcCmd Utility to access OPC UA PubSub Information Model
     • Using OpcCmd Utility to work with OPC UA Security Key Service (SKS)
   • OpcCmd uaClient command tips and tricks
6. Using OpcCmd Utility as OPC UA PubSub Subscriber
   • How to publish or subscribe to secure OPC UA PubSub messages
7. Using OpcCmd Utility as OPC UA PubSub Sniffer
8. Using OpcCmd Utility as OPC UA Server
9. Using OpcCmd Utility for OPC UA Administration

Troubleshooting

1. Troubleshooting General
   • Troubleshooting the Setup program
   • Collecting information for troubleshooting
   • QuickOPC: How to enable extended tracing
   • Obtaining .NET call stacks in a COM application
   • Troubleshooting program hangs
2. OPC Classic Troubleshooting
   • How to obtain OPC Classic server registration information
   • How to use OPC Analyzer
3. OPC UA Client-Server Troubleshooting
   • How to recreate an OPC UA application instance certificate
   • Error "The specified network password is not correct." or "The requested key container was not found."
4. OPC UA PubSub Troubleshooting
   • OPC UA PubSub Traps And Pitfalls
5. Sparkplug Troubleshooting
   • Troubleshooting Sparkplug Edge Nodes
   • Troubleshooting Sparkplug Host Applications

Interoperability

1. How to install .NET on Raspberry Pi
2. MacOS Tips and Tricks
3. Interoperability Testing
   • Compatibility Test Lists - Concepts
   • Application note: QuickOPC-UA Compatibility Test List
   • QuickOPC Compatibility Test List
   • QuickOPC Compatibility Test List for PubSub
   • OPC Wizard Compatibility Test List
   • OPC UA Interoperability Testing with OpcCmd