HMI Selection
The HMI is where operators, setters, and maintenance staff experience the control system. A good choice depends on more than screen size. It must suit the operator task, machine environment, alarm and recipe needs, communication architecture, and the level of diagnostics or visualisation required during production and service.
- Standalone machines that need local control, recipe entry, and alarm handling.
- Complex cells where operators navigate multiple stations, diagnostics, and maintenance screens.
- Washdown or dusty environments where front-panel sealing is critical.
- Projects where remote access or data visualisation is required alongside basic machine control.
Engineers consider screen size, mounting, IP rating, processor capability, runtime licensing, communication drivers, and lifecycle support. The HMI must match the chosen PLC ecosystem and present information in a way that supports safe operation. Poor HMI decisions often show up as slow screen response, confusing maintenance pages, or limited scalability for future machine features.
- Choosing the cheapest screen that technically works without considering real operator workflow.
- Undersizing the display for alarm, trend, and diagnostics needs.
- Ignoring front-panel IP requirements in harsh environments.
- Selecting a platform with awkward integration into the chosen PLC or network stack.
- Treating the HMI as purely visual and forgetting user access, maintenance pages, and recipe control.
ClusterVise factors the HMI into the broader machine architecture, showing how interface choice affects communications, 24V load, panel layout, and documentation. That helps teams pick an HMI that supports the real machine workflow instead of just filling a checkbox on the BOM.
| Item | Selection | Basis |
|---|---|---|
| Screen class | 10-inch widescreen HMI | Supports alarms, recipes, diagnostics |
| Protection | Front IP65 | Suitable for production floor use |
| Network | PROFINET | Native PLC communication |
| Users | Operator, setup, maintenance | Role-based access structure |
| Integration | Recipe and alarm pages | Production support |
