Overview
The Gould Modicon AS-M484-204 is a memory expansion board for the Modicon 484 family of programmable logic controllers. Gould Electronics manufactured this legacy automation component, which remains essential for supporting original equipment that has been in service for decades. This memory module stores program code, data tables, and system configuration for the 484 processor, enabling reliable operation of critical industrial processes.
Key Features
- Designed specifically for Modicon 484 series controllers
- Supports program and data memory expansion in vintage PLC systems
- Direct replacement for compatible 484-series installations
- Proven reliability in manufacturing and process control applications
- Essential component for systems where original hardware must be maintained
Technical Specifications
- Manufacturer: Gould Electronics / Modicon
- Part Number: AS-M484-204
- Product Type: Memory Board Module
- Application: Modicon 484 PLC Processor
- Condition: Used, fully functional
- Legacy Status: Discontinued (manufactured 1980s–1990s era)
Typical Applications
The AS-M484-204 memory board is used in legacy industrial automation systems that rely on Modicon 484 controllers, including:
- Manufacturing process control systems
- Industrial equipment retrofits and repairs
- Legacy automation system upgrades and expansion
- Existing production lines where 484-based control must be preserved
Compatibility & Replacements
Compatible With
- Modicon 484 series controllers
- Modicon 484-based PLC systems
- Vintage Gould Modicon automation environments
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The AS-M484-204 is designed as a direct fit for Modicon 484 systems that originally specified this memory board model.
Works With
- Modicon 484 CPU modules
- Legacy P190 programming terminals (where available)
- Modicon proprietary programming interfaces
- Vintage industrial control networks compatible with 484-series architecture
