HMI
Local operation of a machine or equipment
- Panel at the machine
- Operation and setpoints
- Messages
- Local diagnostics
HMI / SCADA · industrial automation
HMI programming and SCADA systems
The operator should understand the state of the installation within seconds.
I develop HMI and SCADA for industrial equipment: operation, machine states, alarms, trends, archives, recipes and diagnostics — from local panels to IPC/SCADA systems.
Industrial cockpit
The whole installation — on one clear screen
The PLC controls the installation. HMI and SCADA show the operator what is happening. A good interface combines process, data, states, alarms and history into a clear working picture.
Process
72.4 %
Data and statesPLC / data
HMI / SCADAProcess → HMI / SCADA
Operatordecision / control
Alarms01 active
Trends
MODEAUTO / RUN
HMI is not just attractive screens.
Visualization is useful only when the operator can quickly understand what the machine is doing, which mode is active, why something will not start, where a fault is located and which value is outside its normal range. Good design alone is not enough — the interface must follow the real technological sequence.
States visible immediatelyDowntime causes easier to understandStructured alarmsKey values in focusLogical navigationFewer unnecessary actions
Schematic example
Schematic example: information without clutter
This is not a customer interface. It is a neutral schematic comparison of overloaded information versus clear hierarchy.
Overloaded interface
Too many elements with equal visual weight and little indication of what matters most.
Clear structure
Clear hierarchy: state, key values, alarms and actions are where the operator expects them.
HMI / SCADA · INTERACTIVE
More than a picture. Try the controls.
Explore a demonstration dosing and mixing line. Change screens, start a cycle and see how operating modes, alarms and process values work together.
01 · Choose a screen02 · Start a cycle03 · Explore diagnostics
Interactive example · all values and events are simulated in your browser.
Enable JavaScript to use the interactive demo. It includes a plant overview, operation, alarms, trends and settings.
HMI or SCADA?
The boundary is not always technically strict. For the customer, the important question is the scale of the installation and what the interface needs to do.
SCADA
Monitoring and operation of a larger system
- IPC / PC
- Multiple plant sections
- Central overview
- Archives, trends and events
One piece of information — several layers
Visualization works together with the control software. A single process value shows how real data reaches the operator.
Sensor
Measures a value in the installation
PLC
Processes the signal, states and limits
HMI / SCADA
Displays the state, stores history and creates messages
Operator
Understands the situation and decides
A good alarm should explain the problem.
“ERROR 17” tells the operator very little. Useful diagnostics can show the device, area, missing condition, timestamp and current state — when those data are available in the project.
TimeUnitStateMessageStatus
14:32:08Conveyor 02AUTODrive permissive missingACTIVE
14:31:55Drive 02FAULTDrive reported a faultCHECK
14:28:40LineRUNAutomatic mode stableOK
Schematic example
The process should not only be visible now — it is useful to understand what happened earlier.
Trends and archives can help analyse process history, detect deviations, correlate events in time and verify the effect of changes after diagnostics.
- Temperature and pressure
- Speed and current
- Other process values
- Historical and time-based analysis
TREND
T1P1
Schematic example
Systems I work with
Siemens is a strong practical competence. Architecture and functions are selected per project; other SCADA platforms are considered according to the technical situation.
Siemens HMI / WinCC
From machine panels to PC-/IPC-based visualization.
Basic PanelsComfort PanelsUnified Comfort PanelsWinCC Runtime AdvancedWinCC Runtime ProfessionalWinCC UnifiedSiemens IPC
Project integration
PLC connection, rights, alarm management, archives, recipes and diagnostics within the agreed project scope.
PLC ↔ HMISCADA / IPCPROFINETOPCMultilingual UIUsers
Project in Izhevsk
Our own HMI development. The complete line at a glance.
An overview for transporting and packaging particleboard bundles: mechanisms, zones A/B, readiness signals and transfers between sections. Operators can understand the line and identify where the process has stopped.
- Zones A / B
- Drive states
- Line readiness
SCADA / diagnostics
Restoring Prisma / WEBFactory operation
A real project involving an existing visualization, Siemens S7-414 and OPC communication.
Case 002 →Clear at a glance
An interface for the person at the machine.
Operators should not need to remember addresses, bits or internal PLC logic. They need to see the state, understand the cause and find the next action.
See
Operating mode, status and key values in one clear context.
Understand
Messages identify the equipment and the condition that needs attention.
Act
The relevant command or setting is close to the task.
The HMI shows what the PLC knows.
Good visualization depends on clear states and structured data in the PLC. In complete projects, PLC and HMI are therefore designed as one system.
PLC / HMI
Good visualization depends on clear states and structured data in the PLC. In complete projects, PLC and HMI are therefore designed as one system.
PLC programming →Good visualization shortens fault-finding time.
Instead of only “motor not running”, an interface may show the start request, missing permissive, drive fault or missing feedback — if that diagnostic information is designed into the project.
Fault diagnostics →Frequently asked questions
Which HMI and SCADA systems do you develop?
I work with Siemens Basic, Comfort and Unified Panels, WinCC Runtime and IPC/SCADA solutions. Other platforms are assessed on a project basis.
What is the difference between HMI and SCADA?
HMI is often used for local machine operation; SCADA more often provides central overview, archives, events and multiple plant sections. The actual boundary depends on the architecture.
Can an existing visualization be modernized?
Yes. Existing functions, tags, messages, screens and PLC communication are analysed first. Then we decide what should be migrated, improved or replaced.
Does the PLC project have to be finished first?
A good HMI/SCADA integration needs clearly defined PLC states and signals. In complete projects, PLC and visualization are therefore designed together.
HMI / SCADA
Need HMI or SCADA for your installation?
Send a brief description of the equipment, PLC, number of screens or existing visualization. I will review the task and propose a suitable interface structure.