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300+ SCADA Protocol Articles & Guides

Deep dives on Modbus, DNP3, IEC 60870-5-101/104, IEC 61850, OPC UA, Profinet, MQTT, IEC 62443, and substation automation — written for practicing engineers.

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Showing 1–4 of 4 articles
PLC Communication
MODBUS

Modbus TCP Beckhoff TwinCAT: Client and Server Setup

Modbus TCP Beckhoff TwinCAT configuration with TF6250: client function blocks, server XML mapping, licensing by TwinCAT version, and the usual failure points.

14
PLC Communication
MODBUS

Modbus TCP CODESYS: Step-by-Step Configuration

Modbus TCP CODESYS configuration for WAGO, Phoenix Contact, ABB, and Delta PLCs: master and slave setup, channel configuration, and vendor-specific notes.

18
PLC Communication
MODBUS

Modbus TCP ControlLogix Setup in Studio 5000

Modbus TCP ControlLogix setup three ways: the ProSoft MVI56E-MNETC module, AOI socket messaging, and a gateway, with pitfalls and performance notes for each.

12
PLC Communication
MODBUS

Modbus TCP CompactLogix Setup in Studio 5000

Modbus TCP CompactLogix setup with Rockwell's free AOI in Studio 5000: client and server roles, AOI parameters, polling multiple devices, and gateway options.

11