Industrial Controls Service

Legacy PLC & HMI Retrofitting

Legacy PLC, HMI, and controls modernization for facilities that need current hardware without unnecessary downtime.

Call (334) 324-6953Discuss a Project

Modernize Without the Downtime

Built for Industrial Facilities That Need Reliable Controls

Many facilities run control systems that are decades old. We specialize in migrating aging PLCs, obsolete HMIs, and failing hardware to modern platforms while keeping your production line moving. AMS Engineering Group supports facilities across Greater Boston, the South Shore, Massachusetts, and New England with practical engineering, clear communication, and field-ready implementation.

Capabilities

  • ›PLC5 and SLC-500 to ControlLogix / CompactLogix migrations
  • ›Legacy Siemens S5 to S7 conversions
  • ›Obsolete HMI panel replacements (PanelView, Magelis, etc.)
  • ›I/O mapping and code conversion strategies
  • ›Phased cutover planning to minimize production impact
  • ›Functional testing and commissioning support

Common Project Types

Obsolete PLC replacement

HMI panel upgrades

Phased line cutovers

Legacy code review and migration planning