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PLC, HMI & SCADA Programming Services - Toms Automation

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PLC, HMI & SCADA programming for reliable automation
I design, program and troubleshoot PLC, DCS and SCADA/HMI systems for machines and production lines — from new projects to upgrades of existing installations.
I help machine builders, system integrators and end users with PLC, HMI and SCADA programming tasks of very different sizes.

What I can do for your automation project
  • Design and implement new PLC-based control systems for machines and production lines.
  • Modify and extend existing PLC and HMI programs when processes or equipment change.
  • Migrate programs between platforms (for example, from older PLCs to modern platforms).
  • Design HMI and SCADA screens, navigation, alarms and basic reports.
  • Troubleshoot control system issues, from intermittent faults to complete breakdowns.
  • Review and clean up existing code to improve reliability and maintainability.
Typical PLC / HMI / SCADA work I can take on
AreaTypical platforms and practices
PLCExperience with common industrial PLC families (for example Siemens, GE, ABB and similar) using structured programming, reusable function blocks and clear naming conventions
HMIOperator-friendly screens with consistent navigation, clear states and meaningful fault messages rather than raw bit names.
SCADAOverview and detail screens, alarm management, basic trends and simple reports that match how operators and engineers actually work.
StandardsPreference for IEC 61131-3 languages, modular architectures and documentation that makes future maintenance easier.
QualityCareful I/O and loop testing with version control and change logs (where possible), so you always know what was modified and why.
Reliable OT/IT integration starts with clean, well-structured PLC and SCADA systems.

If the control logic is inconsistent, tags are unclear, or alarms are noisy, it becomes much harder to build stable data flows to higher-level systems such as MES, historians or cloud platforms.

By treating PLC, HMI and SCADA programming as the solid foundation of your automation, we can later expose the right data points, events and diagnostics in a controlled way — instead of trying to fix data quality problems at the integration layer.
Whether you need help with a new machine, a line upgrade or an urgent PLC or SCADA issue, we can start with a short call to understand your situation.

It is helpful if you can share upfront:
  • Machine or line type and main process steps.
  • Current PLC, HMI and (if any) SCADA platforms and versions.
  • Drawings, existing programs and any available documentation.
  • Current problems, deadlines and site location (for potential on-site work).

I can then suggest a practical way forward, from a small remote support task to a larger project engagement...
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