YOKOGAWA AMN31 S1

Description:

The Yokogawa AMN31 S1 Terminal I/O Module Nest is used in distributed control systems for housing and interfacing I/O modules within control cabinets. Commonly installed in Yokogawa CENTUM DCS racks to support terminal-based I/O module integration. Maintenance teams and system integrators use this part for mounting I/O modules, replacing damaged nests, or maintaining organized and reliable module installation in process control systems.

Applications:

The Yokogawa AMN31 S1 is commonly used in industrial automation environments where terminal-based I/O modules must be securely installed and connected. It is frequently applied in oil & gas, chemical plants, and power generation systems as part of Yokogawa CENTUM architectures. The module nest provides the physical and electrical interface between field wiring terminal boards and I/O modules, ensuring structured installation and stable system operation.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: AMN31 S1
• Product Type: I/O Module Nest / Rack Base
• Function: Mounting and interfacing terminal-type I/O modules
• System Compatibility: Yokogawa CENTUM DCS systems
• Installation: Rack-mounted within control cabinets
• Interface: Connects terminal boards to I/O modules
• Construction: Industrial-grade chassis for module support
• Weight: Approx. 0.91 kg
• Role: Structural and electrical support for I/O module assemblies
• Application: DCS cabinet integration and module organization
• Status: Legacy / surplus component

Common Replacements:

• Yokogawa AMN32 Module Nest
• Yokogawa A2NN Node Interface Unit (upgrade path)
• Yokogawa N-IO Base Unit Systems