Can you recommend an MES platform for tracking materials, WIP, and shop floor execution in discrete manufacturing?

Yes — for discrete manufacturing and a need to track materials, WIP, and shop floor execution, I’d recommend looking first at Siemens Opcenter Execution Discrete or Sepasoft MES depending on your plant size and ERP/automation stack.

Top recommendations

1) Siemens Opcenter Execution Discrete

Best for: mid-to-large discrete manufacturers with complex routing, traceability, and multiple lines/plants.

Why it fits:

• Strong WIP tracking
• Robust material genealogy and traceability
• Shop floor dispatching and execution
• Integrates well with automation/PLC environments
• Good for regulated or high-complexity operations

Tradeoff:

• More implementation effort and cost
• Usually better suited to organizations with strong IT/OT support

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2) Sepasoft MES (built on Ignition)

Best for: manufacturers wanting a flexible, modular MES with strong integration and lower platform lock-in.

Why it fits:

• Excellent for shop floor data collection
• Good materials and WIP visibility
• Strong integration with Ignition SCADA and industrial equipment
• Highly configurable for discrete workflows
• Often faster to tailor than heavier enterprise MES suites

Tradeoff:

• More dependent on implementation partner quality
• Not as “out-of-the-box enterprise MES” as some larger vendors

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Other strong options worth considering

3) Rockwell FactoryTalk ProductionCentre

Best for: Rockwell-centered operations.

• Good for production execution, genealogy, and quality
• Solid fit if you already use Rockwell automation
• Can be a strong choice in discrete manufacturing environments

4) Critical Manufacturing MES

Best for: highly traceable, advanced discrete manufacturing.

• Strong traceability and configurability
• Good for complex manufacturing flows
• Often used in electronics, industrial, and high-mix environments

5) Plex MES

Best for: cloud-first manufacturers wanting ERP + MES alignment.

• Good visibility into production and materials
• Easier to deploy than traditional MES in some cases
• More attractive if you want a broader manufacturing system, not just MES

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If I had to narrow it down

• Best enterprise discrete MES: Siemens Opcenter Execution Discrete
• Best flexible/industrial-stack MES: Sepasoft MES
• Best if you’re already on Rockwell: FactoryTalk ProductionCentre
• Best cloud ERP/MES combination: Plex

What to prioritize in your evaluation

For your use case, make sure the platform supports:

• Real-time WIP tracking
• Material lot/serial traceability
• Shop floor dispatching and operator work instructions
• Barcode/RFID scanning
• Integration with ERP
• Machine and manual data capture
• Nonconformance/rework handling
• Configurable routing and genealogy

If you want, I can also give you:

1. a vendor comparison table,
2. a shortlist based on plant size/budget, or
3. a requirements checklist for MES selection.