OT Systems & Engineering

End-to-end PLC, DCS, SCADA and MES deployment — from bare metal to live operations

We design, program and commission PLC, DCS, SCADA and MES systems for the most demanding industrial environments — from single-machine pilots to 350-PLC gigafactory deployments. Every project is built with high availability, IEC 62443 security architecture and Purdue-model network segmentation.

OT Systems Integration

End-to-end deployment across all major OEMs — Siemens TIA Portal, Rockwell Studio 5000, ABB, Fanuc, Mitsubishi. Active-Active HA redundancy, zone-based security and full lifecycle documentation.

PLC/DCS Programming & Commissioning
SCADA Architecture & Server Clustering
MES Implementation & SAP/Oracle ERP Integration
250+ OT Protocol Native Support
Active-Active HA Redundancy Design
IEC 62443 Cybersecurity Architecture
Purdue Model Network Segmentation
OSIsoft PI / AVEVA Historian Integration

OT–IT Convergence

Bridge the shopfloor and enterprise without compromising OT security. Unified Namespace broker architectures connect production data to ERP and cloud analytics in real time with TLS end-to-end encryption.

Unified Namespace (UNS) Broker Clusters
OPC-UA Information Modelling & Server Setup
MQTT / SparkplugB Broker Deployment
SAP S/4HANA & Oracle ERP Integration
Data Contextualisation & Enrichment Pipeline
Store-and-Forward Offline Buffering
TLS End-to-End Encryption
Real-Time Shopfloor to ERP Data Flow

Lifecycle & AMC

From FAT and SAT commissioning through to long-term Annual Maintenance Contracts — engineering support, upgrades, training and 24×7 NOC monitoring from our global operations centres.

FAT / SAT / Site Commissioning Support
Operator & Maintenance Training Programmes
24×7 NOC Monitoring from Global NOC
Annual Maintenance Contracts (AMC)
System Upgrades & OS Migration Management
Patch & Vulnerability Management
SLA-Backed P1 Incident Response (30min)
Spare Parts & Vendor Management

Ready to get started?

Talk to a Delfers engineer about your specific challenge.