Projects

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RTB Bor — molten material weighing via crane (scale + Wi‑Fi + integration)

Industry:metallurgy / smelter operations
Role:PLC/HMI engineering + integration into a central control system
Tech:Siemens S7‑1200, KTP400, PROFINET, Scalance W770/W730, PROFIBUS

Overview

Crane bucket weighing with operator context (material type and bucket status), reliable data transfer to the control system, and local logging for traceability.

Scope

  • User login
  • Material and bucket status selection
  • Weight capture and SD logging
  • Wi‑Fi transfer and integration into the industrial network

Key decisions

Combined local HMI input with robust remote transfer (Wi‑Fi) to the central system, while keeping the solution aligned with the plant’s industrial network standards.

Outcome

Digital, traceable weighing workflow (local + central) with consistent records and automated data transfer.

Image 1 — (HMI / diagram / panel / trend)
Image 2 — (architecture / results)

Public Water Utility Aleksinac — SCADA monitoring upgrade for pumping stations and reservoirs

Industry:water utility / infrastructure
Role:monitoring upgrade + remote communications to SCADA
Tech:Omron CP1L, Omron NB, CX‑Programmer (SCADA), GSM modules

Overview

Monitoring of critical parameters with alarm handling and remote supervision via GSM link to a central SCADA in the control room.

Scope

  • Level (min/max/operational)
  • Manual/auto valves and outlet valve status
  • Flow measurement and chlorine dosing
  • Phase asymmetry, security alarms, and event logging

Key decisions

Used GSM-based remote connectivity and designed alarms/logging for fast, actionable response from the control room.

Outcome

Improved operational visibility and faster reaction through centralized SCADA supervision and logging.

Image 1 — (SCADA screen / alarms)
Image 2 — (architecture / site)

Tigar Tires — two-roll mill control (200 kW) + compound temperature as a critical quality parameter

Industry:automotive / tire manufacturing
Role:PLC/HMI + VFD drive control + Modbus integration of temperature controllers
Tech:Omron CP1L, Omron NB, Danfoss FC302 200kW, Omron E5CN, Modbus RTU

Overview

Control of a two-roll mill used to soften and homogenize compound and form a sheet of controlled thickness; temperature monitoring and control via Modbus-connected controllers.

Scope

  • Two-roll mill drive control (VFD)
  • Compound heating/cooling and temperature control
  • Modbus RTU read/write for temperature controllers

Key decisions

Highlighted temperature as a CTQ parameter (viscosity/adhesion/stability) and ensured reliable Modbus integration for closed-loop control.

Outcome

More stable processing and consistent compound quality through robust temperature regulation and monitoring.

Image 1 — (HMI / temperature trend)
Image 2 — (drive / integration)

Vertical bagger for granular products — scale + encoder + sealing/cutting cycle

Industry:packaging / food (or similar)
Role:sequence automation, HMI functions, measurement and synchronization
Tech:Fatek FBs 24MA, Weintek MT8051iP, Danfoss FC51, load cell, incremental encoder

Overview

Dosing → weighing → film sealing → move to exact bag length (encoder) → filling → sealing → cutting → repeatable cycle.

Scope

  • Temperature, speed and bag length control
  • Counters and recipe parameters
  • Scale calibration (50 g–3 kg)

Key decisions

Combined weighing (load cell) with encoder-based positioning to achieve repeatable cutting and consistent filling.

Outcome

Repeatable packaging cycle with controlled weight and length, service functions, and clear alarms.

Image 1 — (sequence / HMI)
Image 2 — (encoder / mechanics)

Honey filling line — volumetric dosing + pneumatic jar separation + speed-based timing “learning”

Industry:food processing / filling
Role:PLC/HMI automation + conveyor and actuator control
Tech:Fatek 24MA, Weintek MT8071iP, Danfoss FC51, Modbus RTU (HMI‑PLC‑VFD)

Overview

Jars on conveyor → pneumatic stop positions two jars → volumetric filling → release and continue to packaging.

Scope

  • Conveyor speed and fill time visualization
  • Speed/time tuning (potentiometers), manual/auto modes
  • VFD start/stop and conveyor control
  • Dosing/regulation piston control + adaptive pneumatic timing (“learning”)

Key decisions

Used Modbus for HMI‑PLC‑VFD coordination and implemented speed-dependent timing calibration for pneumatic positioning.

Outcome

Stable filling synchronized with transport, reducing separation/positioning errors and improving throughput consistency.

Image 1 — (line / HMI)
Image 2 — (pneumatics / timing)

Bonifarm Dairy — pasteurization automation (phases + Modbus temperature control)

Industry:dairy processing / process automation
Role:phase-based process sequencing (state machine) + temperature and I/O integration
Tech:Fatek CM55, Weintek MT6071iP, Modbus module, WEST 6100+ (Modbus RTU), Pt100, RS‑485

Overview

Automated phase logic: heating → dosing → washing → rinsing, with clear transition conditions and control of temperature and levels.

Scope

  • Steam/valve control and temperature maintenance (e.g., 85°C inlet, 45°C outlet)
  • Pt100 monitoring and balance tank level logic
  • Pump control and change-over valve logic
  • CIP cycles: large/small line washing with timed valve sequencing

Key decisions

Setpoints are issued to temperature controllers per phase via Modbus/RS‑485, with explicit phase separation and operator-confirmed transitions.

Outcome

Repeatable pasteurization process with controlled temperatures and clearly defined CIP wash/rinse cycles.

Image 1 — (phases / HMI)
Image 2 — (CIP / sequences)

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