#SCADA protocols
158 articles tagged with #SCADA protocols. This page is set to noindex per SEO configuration.
Wireshark OPC UA: Decode Client/Server Traffic
Wireshark OPC UA capture and decode: display filters, service node IDs, session and channel setup, decrypting secured traffic, and certificate failures.
Wireshark PROFINET: Decode RT, DCP, and IO Traffic
Wireshark PROFINET capture and decode: RT cyclic frames, DCP discovery, connection setup, alarm frames, LLDP topology checks, and cycle-time troubleshooting.
IEC 61850 Logical Nodes Explained: Complete Reference
IEC 61850 logical nodes in full: all 13 LN groups, the ones you meet daily like XCBR, PTOC, MMXU, CSWI, and GGIO, plus data objects and object references.
Modbus Register Map Explained: How to Read Any Device
Modbus register map reading made reliable: the four register types, the zero-based offset trap, data types inside registers, byte order, and scale factors.
Modbus TCP S7-1200: TIA Portal Step-by-Step Guide
Modbus TCP S7-1200 configuration in TIA Portal: MB_SERVER and MB_CLIENT setup, holding register mapping, connection parameters, and reading multiple devices.
Wireshark IEC 61850 MMS: Decode Client/Server
Wireshark IEC 61850 MMS capture and decode: the PRES user context fix for port 102, association setup, Read and Write services, reports, and control sequences.
OPC UA vs OPC DA: The Full Comparison Every Engineer Needs
OPC UA vs OPC DA compared across security, platform, data model, and more. See the full table, key differences explained, and when to use each protocol.
SCADA Security: Complete Guide to Protecting Control Systems
Learn how to secure SCADA systems from cyber threats. Covers network segmentation, remote access, IEC 62443 zones, real attacks, and a practical checklist.
Modbus Function Codes Explained with Real Examples
Modbus function codes with real hex frames: FC 01 to 06, FC 15 and 16, FC 23 and 43, plus register type matching and the mistakes that cause exceptions.
IEC 61850 SCL File Types: ICD, SSD, SCD, IID, CID, SED
IEC 61850 SCL file types explained: what ICD, SSD, SCD, IID, CID, and SED each contain, who creates them, and how they connect in the engineering workflow.
IEC 61850 Security: Threats, IEC 62351, and Hardening
IEC 61850 security threats against GOOSE, MMS, and Sampled Values, and what IEC 62351 does about them: TLS profiles, HMAC, role-based access, and hardening.
Modbus Security Risks and How to Protect Your Network
Modbus security risks in practice: why the protocol has no authentication, real attack techniques on RTU and TCP, plus segmentation, firewalls, and monitoring.
How to Configure DNP3 Communication Between Master and Outstation
Learn how to configure DNP3 master and outstation communication step by step. Covers addressing, polling, unsolicited responses, TCP/IP setup, and security.
How to Configure Modbus RTU Over RS-485: Step-by-Step
Modbus RTU over RS-485 configured step by step: bus wiring and topology, termination and biasing, addressing, register types, and T1.5 and T3.5 timing.
Modbus TCP/IP Setup: Step-by-Step Configuration Guide
Modbus TCP/IP setup from scratch: IP planning, server and client configuration, MBAP header basics, gateway bridging to RTU, and connection troubleshooting.
How to Connect a PLC to OPC UA: Full Setup Guide
Connect a PLC to OPC UA three ways: built-in server, gateway software, or hardware bridge. Setup for Siemens, Allen-Bradley, Beckhoff, and Schneider PLCs.
OPC Classic vs OPC UA: Key Differences and Migration Guide
OPC Classic vs OPC UA: compare security, platform support, and data modeling. Plus a practical migration guide with three strategies to fit any situation.
OPC UA vs MQTT vs Modbus: Which Protocol Should You Use?
OPC UA vs MQTT vs Modbus: Which protocol fits your project? Compare security, speed, data modeling, and scalability to pick the right one for your IIoT system.