Connect the Plant Floor to Manufacturing Execution
A manufacturing execution system sits between your ERP and the plant floor, translating production orders into machine-level execution and feeding real output, quality, and downtime data back up. The integration between MES and the equipment underneath it is where most of the value — and most of the difficulty — lives.
What RLM Delivers on MES Integration
MES projects fail at the integration layer far more often than at the application layer. The platform selection matters, but what determines the outcome is whether your equipment can actually be read, at what fidelity, and whether the resulting data is trustworthy enough that the plant will act on it.
How We Approach MES Integration
A structured advisory process tailored to mobility & iot — from discovery through vendor selection and implementation support.
Equipment & Protocol Survey
We survey the plant floor: machine ages, controller types, available protocols (OPC UA, Modbus, MTConnect, EtherNet/IP), and which assets need gateway hardware because they predate any notion of connectivity.
ERP & Data Model Alignment
We map how production orders, routings, BOMs, and confirmations must flow between ERP and MES — the interface definition that determines whether the two systems agree about what is being made.
Platform Evaluation
We evaluate MES platforms — Siemens Opcenter, Rockwell Plex, AVEVA, Tulip, and the lighter-weight options — against your plant complexity, regulatory requirements, and the realistic skill level of the people who will run it.
Pilot Line & Rollout Sequencing
We scope a single line as the pilot, validate data fidelity against manual counts, and sequence the plant rollout so that lessons from the first line are actually absorbed before the second.
MES Integration Evaluation Criteria
The dimensions that consistently separate a deployment that pays for itself from one that quietly becomes shelfware.
Legacy Equipment Connectivity
The machines that most need monitoring are usually the oldest. Establish, per asset, whether data can be read natively, via retrofit sensor, or not at all — before the platform decision, not after.
OT/IT Network Segmentation
Connecting the plant floor to enterprise systems creates a security path that did not previously exist. The segmentation and monitoring design belongs in the project, not in a follow-up remediation.
Data Fidelity vs Manual Counts
Validate MES-reported output against manual counts on the pilot line. If the numbers disagree, the plant will trust the clipboard and the system becomes shelfware.
ERP Interface Ownership
MES-to-ERP interfaces are where projects stall. Establish who owns the interface, who pays for changes, and how it is tested before the ERP team is surprised by it.
Operator Interface Practicality
An interface designed for an office desktop fails on a plant floor with gloves, glare, and noise. Evaluate the operator experience in the actual environment.
Regulatory Traceability
In regulated manufacturing, MES carries the genealogy and audit trail. Confirm the platform meets your validation requirements before it becomes the system of record.
"We validated the pilot line against manual counts for three weeks. That is the reason the operators believe the numbers today."
Independent means we will tell you when the answer is to keep what you have.
Where This Matters Most
Sector-specific considerations we see repeatedly in iot engagements.
A Sample of the IoT Providers We Evaluate




RLM is vendor neutral. These are among 600+ providers in our evaluation set — inclusion here is not an endorsement, and we are paid by the provider you choose, not by any provider in particular. How that works →
Where Do You Want to Start With MES Integration?
Start with a no-cost conversation with an RLM advisor — vendor neutral, no agenda, just clarity on the right path forward for your environment.
Talk to an IoT Advisor