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Head-to-head · Manufacturing Execution Systems

Plex MES vs Emerson DeltaV MES

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Plex MES #2 in Manufacturing Execution Systems 9.2/10 Pricing on request ✓ 6 of 6 features Visit Plex MES
Emerson DeltaV MES #6 in Manufacturing Execution Systems 9.0/10 Pricing on request ✓ 4 of 6 features Visit Emerson

Plex MES leads on 0 checks, Emerson DeltaV MES on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePlex MES · 9.2/10
  • Most featuresPlex MES · 6 of 6

Plex MES scores higher on our rubric for manufacturing execution systems: 9.2 against 9.0 out of 10; our editors rank them #2 and #6.

On deployment, Emerson DeltaV MES gives you Hybrid where Plex MES offers Cloud.

Plex MES is the better fit for cloud-first manufacturers needing mobile workflows. Emerson DeltaV MES is the better fit for batch manufacturers needing electronic records.

  • Plex MES fits best

    Cloud-first manufacturers needing mobile workflows

  • Emerson DeltaV MES fits best

    Batch manufacturers needing electronic records

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Plex MES 9.2/10 Visit ↗ Emerson DeltaV MES 9.0/10 Visit ↗
At a glance
Editor score 9.2 9.0
Ranking #2 in Manufacturing Execution Systems #6 in Manufacturing Execution Systems
Best for Cloud-first manufacturers needing mobile workflows Batch manufacturers needing electronic records
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Cloud, Mobile Cloud, Self-hosted
Platforms Web, iOS, Android Web
Support Phone, Tickets, Community, Docs · 24/7 Email, Live chat, Phone, Tickets, Docs · 24/7
Compliance SOC 2, GDPR 2FA
Integrations 4 integrations 4 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Plex MES 6/6 · Emerson DeltaV MES 4/6
Work order management ✓ (best) Not checked yet
Quality management ✓ ✓
Lot and serial traceability ✓ ✓
Shop-floor data capture ✓ ✓
Real-time dashboards ✓ (best) Not checked yet
ERP integration ✓ ✓
Specs
Deployment Cloud Hybrid
Our review
Pros
  • Finite scheduling covers jobs, work centers, and resource availability
  • Closed-loop quality connects control plans with production workflows
  • Mobile support covers production, inventory, scanning, and shop-floor work
  • Strong electronic batch records and audit trails for production events
  • Covers recipes, materials, genealogy, equipment, and operator guidance
  • Connects ERP, LIMS, CMMS, and process-control systems
Cons
  • Pricing requires contacting sales for an annual subscription
  • Cloud deployment is the documented model rather than on-premises deployment
  • Its broad scope may exceed the needs of manufacturers seeking one narrow MES function
  • Pricing requires a contact-sales process
  • Primarily focused on life sciences and batch manufacturing workflows
  • Access spans centralized-server modules and SaaS workflow options
Our verdict

Plex MES is a cloud-based manufacturing execution system from Rockwell Automation for discrete and process manufacturers. It brings production management, finite scheduling, operator control panels, closed-loop quality management,…

Read the review →

Emerson DeltaV MES is a manufacturing execution system designed primarily for life sciences production. It brings electronic batch records, workflow and recipe authoring, material dispensing, inventory, genealogy, equipment-state…

Read the review →
  1. Plex MESManufacturing Execution Systems 9.2Pricing on request
  2. Emerson DeltaV MESManufacturing Execution Systems 9.0Pricing on request

Strengths and trade-offs

  • Plex MES — where it wins

    • Finite scheduling covers jobs, work centers, and resource availability
    • Closed-loop quality connects control plans with production workflows
    • Mobile support covers production, inventory, scanning, and shop-floor work

    Where it doesn't

    • Pricing requires contacting sales for an annual subscription
    • Cloud deployment is the documented model rather than on-premises deployment
    • Its broad scope may exceed the needs of manufacturers seeking one narrow MES function

  • Emerson DeltaV MES — where it wins

    • Strong electronic batch records and audit trails for production events
    • Covers recipes, materials, genealogy, equipment, and operator guidance
    • Connects ERP, LIMS, CMMS, and process-control systems

    Where it doesn't

    • Pricing requires a contact-sales process
    • Primarily focused on life sciences and batch manufacturing workflows
    • Access spans centralized-server modules and SaaS workflow options
  • Plex MES9.2/10 · Pricing on request

    A broad cloud MES for manufacturers that need connected production, quality, inventory, and mobile workflows.

    Visit Plex MESFull verdict →
  • Emerson DeltaV MES9.0/10 · Pricing on request

    A focused MES for batch records, traceability, quality review, and regulated production workflows.

    Visit EmersonFull verdict →

More comparisons

All manufacturing execution systems comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update