Automation Systems

PLC and HMI Control System

PLC and HMI Control Systems provide reliable automation and user-friendly operation for electroplating, anodizing, chemical cleaning, and surface treatment lines. The system integrates programmable logic controllers with touchscreen interfaces to manage equipment operations, process sequences, tank temperatures, rectifier settings, and automatic material handling. With real-time equipment monitoring, recipe management, alarm notifications, and safety interlocks, the system enables precise process control, simplifies troubleshooting, reduces manual intervention, and improves production consistency. Each solution is configured to match specific production requirements, equipment arrangements, and future automation needs.

ConfigurationProject-specific
Delivery scopeDesign to commissioning
SupportRegional engineering
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Final specification is developed after reviewing the product, process, capacity, plant layout, utilities and applicable standards.

System overview

Engineered around your production requirement

A well-engineered PLC and HMI Control System forms the foundation of reliable and efficient surface treatment operations. It coordinates individual equipment functions, manages processing sequences, and provides operators with clear access to machine status and operating parameters.

The control architecture is developed according to the production line configuration, incorporating input and output signals from sensors, pumps, valves, heaters, rectifiers, motors, and material handling equipment. Industrial communication protocols enable coordinated operation between controllers, field devices, and supporting equipment.

The HMI interface features graphical production line layouts, equipment status indicators, manual and automatic operating modes, and adjustable process settings. Operators can select production recipes, monitor tank conditions, review active alarms, and perform authorized equipment adjustments through an intuitive touchscreen interface.

Control logic is designed to manage equipment start-up sequences, operating conditions, process timing, and interlocks. Fault detection and diagnostic functions help maintenance personnel identify abnormal conditions, locate equipment issues, and reduce troubleshooting time.

Special attention is given to system reliability, electrical safety, communication stability, and maintenance accessibility. Modular programming structures and expandable hardware configurations allow additional tanks, sensors, rectifiers, or automation equipment to be incorporated as production requirements evolve.

From control panel engineering and PLC programming to HMI development, system integration, and commissioning, the solution provides a practical platform for stable production control, simplified equipment operation, and long-term maintenance support.

Core capabilities

Key system features

Process-specific tank and equipment configuration
Reliable transfer and handling architecture
PLC/HMI recipe control and alarms
Corrosion-resistant materials selected for chemistry
Safety interlocks and maintainable access
Ready for production data and future expansion
Typical process architecture

Process flow

Production Requirements AnalysisEquipment & I/O AssessmentControl System Architecture DesignPLC & HMI Hardware SelectionElectrical Panel Design & WiringPLC Programming & Control Logic DevelopmentHMI Interface Design & ConfigurationIndustrial Communication IntegrationProcess Recipe & Parameter ConfigurationAlarm & Safety Interlock SetupFactory Acceptance Testing (FAT)On-Site Installation & CommissioningSystem Testing & Performance VerificationOperator Training & Technical Documentation

The displayed flow is an engineering reference. The final sequence, chemistry, dwell time and control points are confirmed for the customer’s process.

Configuration framework

Technical options

  • Automation: manual, semi-automatic or fully automatic
  • Handling: hoist, gantry, trolley, conveyor, rack, barrel or continuous transfer as applicable
  • Controls: PLC/HMI with optional SCADA, recipe, traceability and reporting
  • Utilities: heating, cooling, filtration, exhaust, RO/DI and wastewater interfaces according to process
  • Compliance: engineered to the agreed project and factory standards
Applications

Where this system fits

PLC and HMI Control Systems are designed for electroplating, anodizing, and surface treatment facilities requiring reliable equipment automation, precise process control, and simplified machine operation.

  • Automatic Electroplating Lines: Control plating sequences, rectifier operations, tank temperatures, pumps, valves, and automated workpiece transfer.

  • Anodizing & Hard Anodizing Lines: Manage current and voltage settings, temperature regulation, cooling systems, processing time, and ampere-hour monitoring.

  • Barrel Plating Lines: Control barrel rotation, transfer movements, rectifier settings, and automatic processing sequences.

  • Chemical Cleaning & Pretreatment Lines: Automate degreasing, pickling, activation, rinsing, chemical dosing, and temperature control.

  • Automatic Gantry Hoist Systems: Manage hoist positioning, lifting movements, transfer sequences, travel limits, and operational interlocks.

  • Filtration & Chemical Circulation Systems: Coordinate circulation pumps, filtration equipment, flow monitoring, and automatic valve operations.

  • Water Treatment & Wastewater Systems: Control RO/DI water treatment, tank levels, pumps, pH adjustment, chemical dosing, and equipment alarms.

  • Manual & Semi-Automatic Production Lines: Provide centralized equipment control, touchscreen operation, and programmable process settings.

  • Existing Equipment Modernization: Replace outdated PLCs and operator panels to improve control reliability, troubleshooting capabilities, and compatibility with modern industrial equipment

Build with confidence

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