Brownfield Modernization and Deterministic Uptime with Mofiu SG100

Executive Context

A global food and beverage producer sought to modernize a legacy bottling facility without halting production. The plant combined 1990s-era filler/labeler controls over RS232/RS485 with newer Ethernet vision systems, palletizers, and energy meters. The manufacturer aimed to raise OEE, strengthen cybersecurity, and unify data flows to MES/ERP, while ensuring that any change respected hygiene protocols, CIP schedules, and stringent quality audits.

Core Problem

Fragmented controls and protocol silos prevented end-to-end visibility of pasteurization, line speed, reject rates, and utilities consumption.

Cellular connectivity, used as a redundant backhaul for the plant’s WAN, was inconsistent during peak periods, interrupting remote diagnostics and delaying corrective actions.

Security requirements mandated a silicon-rooted trust model and encrypted access for OEMs and system integrators, with strict segregation of quality, maintenance, and production data paths.

Any solution had to integrate with existing PLCs, servo drives, weighers, and utility SCADA without invasive retrofits or prolonged downtime.

Deployment Overview

The plant standardized on the Mofiu SG100 industrial 4G router as the secure edge access and protocol mediation node at each major cell: depalletizing, rinsing/filling/capping, labeling/inspection, case packing, and utilities. The SG100 aggregated:

Dual Ethernet: Machine vision servers, inspection cameras, and IP-enabled weighers.

RS232/RS485: Filler/labeler PLCs, pasteurizer controllers, and flow meters.

Digital I/O: Dry-contact alarms (e.g., CIP interlocks, door open/ESD events) and beacon/hooter control for rapid operator response.

Dual SIM redundancy ensured continuous carrier diversity, while link management prioritized latency-sensitive control telemetry over noncritical traffic when conditions degraded. Hardware secure boot provided tamper-evident startup, and encrypted tunnels (OpenVPN, IPSec/IKEv2) enforced least-privilege, policy-bound remote access for OEMs and plant engineers. The SG100’s protocol conversion bridged IEC 60870-5-101 to IEC 60870-5-104 and DNP3 for utility-side assets—boilers, chillers, compressors—so energy and process data could be streamed into plant historians and analytics alongside line telemetry.

Implementation Highlights

Nonintrusive rollout: Prewired SG100 panels were installed during scheduled CIP windows; serial stubs tapped existing PLC ports; Ethernet uplinks were dual-homed for fast cutover.

Segmented access: Distinct VPN profiles for quality, maintenance, and OEM support reduced lateral movement risk and simplified audit trails.

Deterministic failover: Carrier selection and jitter-aware thresholds maintained inspection-camera telemetry and reject triggers even under RF congestion.

Unified telemetry: Legacy counters and setpoints were normalized and published to MES/ERP and energy dashboards without custom middleware.

Business Outcomes

Uptime and OEE: Improved link stewardship and dual-SIM failover cut connectivity-related micro-stops and recovery times, contributing to a measurable increase in planned runtime and first-pass yield.

Faster interventions: Encrypted remote access reduced OEM dispatches and MTTR for filler valve blocks, labeler registration, and pasteurizer temperature excursions.

Energy and quality convergence: Protocol conversion unified utilities data with product quality metrics, enabling batch-level traceability and energy-per-case reporting.

Compliance and security: Silicon-rooted integrity, VPN-only ingress, and per-role access satisfied internal cybersecurity baselines and external customer audits without operational friction.

Conclusion

By fusing serial-era machinery with IP-native inspection and utilities systems, the Mofiu SG100 created a resilient, secure, and observable communications layer for a brownfield bottling plant. The facility achieved higher OEE, tighter quality control, and verifiable security—without disruptive rewiring or controller replacements—laying a scalable foundation for future automation and analytics initiatives.

About Mofiu

Mofiu is a premier innovator in industrial wireless communications, dedicated to delivering mission-critical connectivity solutions that power the world’s most demanding environments. With a steadfast commitment to safety, reliability, and engineering excellence, Mofiu designs and manufactures robust wireless devices that enable seamless data exchange across electricity, utilities, energy infrastructure, transportation networks, and smart industrial systems etc.

Mofiu - Secure connectivity, uncompromised performance.