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The combined path: learn a PLC first, then the SCADA that watches it. Siemens, Allen-Bradley and CODESYS controllers, then Ignition, WinCC, InTouch, Citect and FactoryTalk SCADA, with a water plant project and the SQL used for plant reports.
FreeFree Siemens TIA Portal course for beginners: write ladder logic for a simulated S7-1200 and WinCC HMI. Learning is free; the certificate is optional and paid.
FreeCompactLogix and ControlLogix from the wiring up: tags, instructions, timers, data, drives, messaging and Modbus, in Rockwell's Studio 5000.
FreeThe MicroLogix and SLC 500 on real hardware: file-based addressing, every instruction group, analog scaling, faults and forces, in RSLogix 500.
FreeThe vendor-neutral PLC platform: ladder, function blocks, structured text, CFC and SFC, with Factory I/O projects and a visualization at the end.
FreeEvery network a PLC engineer meets, from RS-485 and Modbus to PROFINET, EtherNet/IP and OPC UA, with hands-on PLC-to-PLC and Modbus configuration in TIA Portal.
FreeThe modern SCADA platform: gateway, tags, device connections, Designer screens, alarms, SQL history, reporting, MQTT and IIoT, Perspective, and deployment from edge to cloud.
FreeSiemens SCADA end to end: WinCC V7/V8 from project to client-server and SQL, WinCC Unified with JavaScript, faceplates, plant objects and collaboration, and WinCC Advanced/flexible practice with alarms, trends, recipes and PLC interfacing.
FreeBuild a working plant screen, tags, animation, alarms, trends and a live PLC link, on one of the most widely installed SCADA packages worldwide.
FreeThe SCADA behind mining, water and power plants from Australia to Africa: install, project structure, device communication, variables, equipment, graphics, buttons and animation, genies and super genies, alarms, events, menus and Cicode.
FreeRockwell's plant SCADA: applications and clients, displays and navigation, Logix tag references, global objects, FactoryTalk Alarms and Events, TrendPro, data logging and databases, RecipePro+, security and e-signatures, VBA, ViewPoint, backup and migration.
FreeHow drinking water, wastewater and desalination plants are measured and controlled: the process trains, level, flow and water quality instruments, pump station duty and standby logic, VFDs and pump protection, coagulant and chlorine dosing, filter backwash sequences, RO train control, dissolved oxygen and blower control, SCADA, telemetry and alarms, cybersecurity and compliance data, ending with a pump station control narrative.
FreeA first database for engineers who already read tags: what a relational database holds and how it differs from a CSV export, installing MySQL or SQL Server and connecting a client, tables, data types, keys and constraints, INSERT, UPDATE and DELETE, SELECT with filters, sorting, limits and calculated columns, aggregates and GROUP BY, string, date and number functions, the whole join family, UNION and temporary tables, subqueries, EXISTS and views, and normalisation up to third normal form. The video lessons teach standard SQL; the plant framing, the practice tasks and the assessments are written by EDWartens.
| Course | Level | Modules | Video | Brand |
|---|---|---|---|---|
| Siemens TIA Portal | Beginner | 22 | 12h 53m | Siemens |
| Allen-Bradley Studio 5000 | Beginner | 16 | 7h 35m | Allen-Bradley |
| Allen-Bradley RSLogix 500 and MicroLogix | Beginner | 19 | 15h 34m | Allen-Bradley |
| CODESYS and IEC 61131-3 Programming | Beginner | 19 | 12h 17m | CODESYS |
| Industrial Communication: Serial, Fieldbus, Ethernet, Modbus, PROFINET and OPC UA | Intermediate | 18 | 15h 52m | Vendor-neutral |
| Ignition SCADA by Inductive Automation | Beginner | 13 | 7h 37m | Inductive Automation |
| Siemens WinCC SCADA: V7, Unified and Advanced | Intermediate | 15 | 19h 6m | Siemens |
| Wonderware InTouch SCADA | Beginner | 11 | 14h 32m | AVEVA |
| Citect SCADA and AVEVA Plant SCADA | Beginner | 11 | 5h 59m | AVEVA |
| FactoryTalk View Site Edition SCADA | Intermediate | 11 | 10h 41m | Allen-Bradley |
| Water and Wastewater Treatment Plant Automation | Intermediate | 14 | 13h 23m | Vendor-neutral |
| SQL for PLC and SCADA Engineers | Beginner | 15 | 9h 31m | Vendor-neutral |
A PLC controls the machine and a SCADA system lets people watch and command it, so the two are learned together even though they are different software.
Begin with the controller half: Siemens TIA Portal or Allen-Bradley RSLogix 500 for a first brand, and CODESYS if you want the vendor-neutral IEC 61131-3 languages. Industrial Communication then explains the Modbus, PROFINET and Ethernet links that join a PLC to a SCADA server.
Pick the SCADA half to match the controller. Siemens plants use WinCC SCADA, Rockwell plants use FactoryTalk View SE, and Ignition, InTouch and Citect are common where the PLC brands are mixed.
The Water and Wastewater Treatment Plant Automation course is the worked example that joins the halves: a real plant with pumps, tanks, alarms and trends. The SQL course after it covers the historian and report queries that SCADA engineers are often asked to write.