opcda

TopoData is a C# application, provides PLC/DCS data acquisition , storage and python script capabilities , along with HTTP WebAPI、Mqtt interfaces for data read/write interfaces. Provides flexible recipe definition functionality, allowing users to select different recipes and download parameters to PLCs or devices.

An open source OPC DA Client SDK/ToolKit written in C++, support both 32 bit and 64 bit.

[ 开箱即用 ] 🚀 基于 .NET 10 的插件化工业数据采集框架，支持 WPF 与 Blazor 双端部署，统一接入 PLC、OPC UA、Modbus、数据库及非标设备，并无缝对接 MQTT、Kafka、RabbitMQ、RocketMQ 等消息系统

Opc Sample

An OPC DA client written purely in Go

OPC Data Access .NET Client Library

This is a tutorial of the DCS system and data collecting from the OPC server.

opc browser

opcda ,opcua ,

Official releases of DComEasy — a Windows DCOM configuration, diagnostics and troubleshooting tool.

[ 开箱即用 ] 工业通信库的多协议调试与诊断工具

OPC client and subscriber code examples using QuickOPC in Object Pascal (Delphi) for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

Opc DataAccess libary for .NET.

OPC client, server and subscriber code examples in C#, for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

OPC Client code which is intended for python.

OPC DA and OPC HDA library based on the work openscada and j-interop.

OPC client and subscriber code examples using QuickOPC in VB6 for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

OPC client made simpler, for UA and DA, fork for netstandard2.0

OPC client and subscriber code examples using QuickOPC in PowerShell for OPC Data Access (OPC DA) and OPC Unified Architecture (OPC UA), including OPC UA PubSub.

OPC to ODBC server