Direct answer
PackML provides a common operational model for machine states, modes and data. It does not replace the machine safety system or define every application detail, but it can reduce ambiguity when machines, line control and production data systems must work together.
Practical objective: an agreed state and data model that makes multi-machine operation, diagnostics and integration more consistent.
Questions and phrases customers use
This guide also answers searches such as:
- PackML packaging machinery
- OMAC PackML
- packaging machine states
- PackTags line integration
Information to collect first
Use one controlled set of figures and representative production conditions. Record the source and date of each assumption so quotations and improvement options can be compared on the same basis.
- Identify machines and units that will expose PackML behaviour
- Agree required modes, states and commands
- Define line-controller ownership and machine autonomy
- Map blocked, starved, held, suspended, aborted and complete conditions
- Select PackTags and production data needed by higher-level systems
- Separate functional control, safety control and data interfaces
How to make the decision
Work from the required finished result back through the process. Keep compliance, product quality, sustained output and total ownership cost visible together.
- Include the required PackML version and interface in the user requirement
- Use a common state diagram during supplier design reviews
- Test transitions and recovery during FAT, not only normal running
- Align line displays and event records across machines
- Use OPC UA companion specifications where semantic interoperability is required
Common mistakes to avoid
- Writing “PackML compatible” without defining scope or version
- Forcing every machine-specific condition into a generic state
- Confusing PackML state control with safety functions
- Collecting tags without a business or diagnostic use
Customer decision table
| Layer | Role |
|---|---|
| Machine control | Executes equipment-specific sequence and safeguards |
| PackML model | Provides common state, mode and tag semantics |
| Line control | Coordinates flow, handshakes and overall operating objective |
| MES or analytics | Uses consistent data for reporting and decisions |
Questions customers also ask
Does PackML make different machines plug-and-play?
Is PackML only for packaging?
Does it replace OPC UA?
What should be acceptance-tested?
Official sources and further reading
Use the current source pages for legal, regulatory or scheme details. This guide is practical production planning, not legal or tax advice.
Download the planning template
Use the CSV worksheet to allocate evidence, owners, actions and dates before requesting quotations or approving a change.
Related guides and calculators
Need help applying this to your line?
Send the product, pack, current method, measured problem and required result. The more specific the evidence, the more useful the machinery review can be.