Online Development Inc. will be demonstrating their OPC UA Server module for ControlLogix at Automation Fair 2013 in Houston, November 13-14. The eATM-OPC UA is a ControlLogix module that provides OPC ...

“Ignition OPC-UA is now used as a standard PLC connector in all of our Ignition installs,” Russell said. “Most of our projects use Allen-Bradley PLCs and even if a project or installation requires or ...

Introduced in the late 1990s, OPC quickly became a global standard for communications to Microsoft Windows computers. Tens of thousands of OPC servers were deployed in every corner of the automation ...

制造企业的设备数据采集正在进入“边缘计算时代”：工厂不仅要把设备数据采上来，还希望在靠近现场的边缘侧完成数据治理、协议解耦与多系统分发，进而支撑 MES、质量追溯、能源管理以及上云分析等多种场景。 在这一背景下，OPC ...

Despite the promises of OPC UA, a standardized, open source communication protocol often used in industrial settings as a replacement for VPNs, turns out to have a number of vulnerabilities, issues, ...