Modernise existing automation systems for better reliability, visibility, and long-term plant performance.
Many plants still rely on ageing PLCs, outdated HMIs, unsupported SCADA platforms, and fragmented control systems that no longer meet production, reporting, or support requirements. Over time, these systems become harder to maintain, more vulnerable to downtime, and less able to support modern process demands.
Outdated automation can lead to:
- Unplanned downtime due to obsolete hardware or unsupported software
- Limited visibility into plant performance, alarms, and trends
- Inconsistent control across production and utility systems
- Difficult troubleshooting and longer maintenance response times
- Increased operational risk during expansion or process changes
- Poor integration with modern devices, data systems, and remote support tools
Food and beverage producers need a practical upgrade path that improves control, reduces risk, and extends plant life; without replacing the entire factory.
Our Solution:
- 4B Automation & 4B Systems provides automation upgrades for existing plants, helping clients modernise control platforms while preserving valuable infrastructure where possible.
- We assess your current automation environment, identify risks and performance gaps, and implement upgrade strategies that improve reliability, visibility, and scalability. This can include upgrading PLCs, HMIs, SCADA systems, industrial networks, remote access platforms, and field-device integration, while aligning the new automation layer with your existing process and production requirements.
- Our upgrade approach is designed to minimise disruption, maintain production continuity where possible, and create a future-ready control platform for plant growth and long-term support.
Key Features / Capabilities
PLC Upgrades:
• Migration from obsolete PLC platforms to modern, supportable systems
• Logic review, optimisation, and re-engineering where required
• Standardised control structures for easier maintenance and scalability
• Improved diagnostics, reliability, and spare-part availability
HMI & SCADA Modernisation:
• Replacement of ageing operator interfaces with modern HMI platforms
• SCADA upgrades for improved monitoring, trending, alarms, and reporting
• Better user experience for operators, engineering, and management teams
• Historian connectivity and enhanced traceability
Industrial Network & Communications Upgrades:
• Modernisation of plant communication networks
• Improved connectivity between PLCs, SCADA, drives, instrumentation, and utilities
• Support for protocols such as Profinet, Ethernet/IP, Modbus, Profibus, and OPC UA
• Stronger platform for future integration and expansion
Remote Monitoring & Support Enablement:
• Secure remote access for diagnostics, performance checks, and support
• Faster issue resolution and reduced response times
• Better visibility into plant status, alarms, and critical events
Control System Optimisation:
• Review and improvement of sequences, alarms, interlocks, and control strategies
• Review of legacy automation structures
• Improved process consistency and reduced manual intervention
Phased Upgrade Strategies:
• Upgrade plans designed around plant availability and production schedules
• Staged implementation to minimise downtime and production risk
• Brownfield-friendly approach for operating plants
Data, Reporting & Traceability Enhancements:
• Better trend data, event logging, alarm history, and batch visibility
• Management reporting and performance monitoring improvements
• More reliable process records for audits and troubleshooting



