#SCADA protocols
158 articles tagged with #SCADA protocols. This page is set to noindex per SEO configuration.
Distribution Management System (DMS): Functions, Architecture, Benefits & Standards
Learn what a Distribution Management System (DMS) is, how it works, its functions, architecture, benefits, and the role of IEC 61968 and CIM standards.
Energy Management System (EMS): Functions, Architecture, Benefits & Standards
Learn what an Energy Management System (EMS) is, how it works, its functions, architecture, benefits, and the role of IEC 61970 and CIM standards.
Rapid Spanning Tree Protocol (RSTP) in Industrial Ethernet Networks Explained
Learn how Rapid Spanning Tree Protocol (RSTP) works in industrial Ethernet networks. Detailed explanation for SCADA, substations, and OT systems.
Port 22 (SSH): What It Is, How to Change and Secure It
Port 22 is the default TCP port for SSH. What runs on it, why SSH uses 22, how to change it, firewall rules, testing commands, and how to secure it.
WireGuard vs OpenVPN for SCADA Systems: Key Differences
Compare WireGuard vs OpenVPN for SCADA systems, including DNP3 and IEC-104 behavior, latency, reliability, and secure UDP vs TCP design.
IEC 61850-3 Ethernet Switch: Requirements and Testing
IEC 61850-3 Ethernet switch requirements in full: EMC and immunity limits, power supply ratings, climatic and seismic tests, VLAN setup, and IEEE 1613 compared.
4 Best IEC 61850 Test Software for GOOSE & MMS (Engineers’ Guide)
**61850 Test Software** is essential for validating communication, interoperability, and correct behavior in modern digital substations. From GOOSE messaging and MMS communication
IEC 61850 MMS Port 102 Explained
IEC 61850 MMS port 102 explained: why the ISO-on-TCP port was kept, what data rides on it, how GOOSE and SV differ, Wireshark filters, and firewall rules.
IACS Cybersecurity – Protecting SCADA and Industrial Control Systems
IACS Cybersecurity focuses on protecting Industrial Automation and Control Systems (IACS) such as SCADA, PLCs, RTUs, DCS, IEDs, and industrial networks from cyber threats while ensuring safety, availability, and operational reliability.
IEC 61850 Control Models: Direct, SBO, and Enhanced Security
IEC 61850 control models explained: all five ctlModel values, what enhanced security really means, the Select-Operate flow, and what happens after Operate.
DNP3 Event Classes Explained: How Class 0, 1, 2, and 3 Really Work in SCADA Systems
Learn how DNP3 event classes work in practice. Understand Class 0, 1, 2, and 3, polling, delays, and how real priority is engineered in SCADA.
Best Free SCADA Software in 2026: 12 Open-Source and Free Platforms Compared
Compare 12 free SCADA software platforms for 2026. Covers Rapid SCADA, SCADA-LTS, JSON-SCADA, Ignition, and more with protocols, tag limits, and download links.
IEC 61850 Data Types Explained: The Complete Practical Guide
IEC 61850 data types from the ground up: basic types, common data classes, data objects and attributes, and how each is encoded in MMS, GOOSE, and SV.
SCADA Networking: Site-to-Site VPN vs NAT on Private APN Explained
Site-to-site VPN vs NAT on private APN explained in simple terms. Learn why VPNs give reliable SCADA communication and why NAT often causes connection issues.
Modbus Data Types: Decode Register Values Correctly
Modbus data types explained: UINT16, INT16, hex, binary, ASCII, 32-bit integers, IEEE-754 floats, and bitmasks, plus how to pick the right format every time.
PRP vs HSR Explained: IEC 62439-3 Complete Guide to Redundant Industrial Networks
Learn the key differences between PRP and HSR under IEC 62439-3. Clear guide to redundancy behavior, performance, and how to interconnect both systems.
HSR (High-Availability Seamless Redundancy) in IEC 61850 Networks: Complete Technical Guide
Deep technical guide to HSR for IEC 61850 networks. Learn how HSR frames, nodes, forwarding, RedBoxes, and QuadBoxes deliver zero-time redundancy.
Parallel Redundancy Protocol (PRP): Complete Guide to Zero-Downtime Industrial Network Reliability
Learn how Parallel Redundancy Protocol (PRP) ensures zero-downtime industrial networking with simple, clear explanations for reliability, safety, and performance.