PLC & HMI Programming
Proven track record developing automation logic across Rockwell, Schneider, Siemens, and Emerson platforms — with consistent structure, naming, and commentary so the next engineer can read it without a decoder ring.
/ What's included
Scope of work
Stable, well-documented logic for pumps, chemical feed, tanks, interlocks, alarms, and operating modes — code that maintenance teams can actually follow.
Helps with: PLC migrations, new logic, legacy code cleanup, sequence rewrites.
- Control narratives and sequence-of-operation
- Structured PLC code with consistent naming and comments
- Local HMI (PanelView, Magelis) screen development
- Alarm logic, interlocks, and permissive design
- Simulation and bench testing before commissioning
- Version-controlled program backups and recovery plans
/ Where this fits
Typical use cases.
- 01Pump sequencing, lead/lag/standby, VFD speed control
- 02Tank level management and chemical feed dosing
- 03Process interlocks, e-stops, and safety permissives
- 04Operator mode handling (auto / manual / hand)
- 05Legacy code cleanup, documentation, and modernization
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