Yokogawa AMM42 S4 Redundant Input Module

Overview

The Yokogawa AMM42 S4 is a highly reliable input module designed for Yokogawa’s Field Control Station (FS), offering robust redundancy to eliminate any single point of failure. By utilizing “Pair and Spare” technology, the system ensures continuous and dependable operation in critical industrial processes. With this advanced redundancy, the AMM42 S4 significantly enhances system reliability and availability, making it ideal for environments that demand high uptime and fail-safe operation.

This module supports redundant configurations of processor modules, power supplies, I/O modules, and communication buses, ensuring uninterrupted performance even under the most challenging conditions. In addition, it incorporates real-time validation for the reliability of calculation results, providing further assurance for safety-critical applications. Certified by TÜV Rheinland, the AMM42 S4 meets rigorous safety standards for use in safety instrumented systems.

Key Features

Redundant Configuration: Supports redundant processor modules, power supplies, I/O modules, and communication buses, offering high system availability.
“Pair and Spare” Technology: Enhances the system’s robustness and reliability, reducing the risk of failure.
Real-time Validation: Guarantees accurate calculation results by validating in real-time.
Safety Certification: TÜV Rheinland certified for safety instrumented systems, ensuring compliance with global safety standards.
Low Input Resistance: Offers 250 Ω input resistance, modifiable to 70 Ω when connected to a barrier, ensuring precise signal acquisition.

Technical Specifications

Specification	Details
Model	AMM42 S4
Power Supply	23.5 to 24.5 V DC (output power limit: 60 mA or less)
Input Resistance	250 Ω, modifiable to 70 Ω with barrier
Signal Isolation	No isolation between the system and field, and between channels
Redundant Configuration Support	Yes, supports redundant modules, power supplies, I/O modules, and communication bus
Real-time Validation	Yes, ensures reliable results with real-time validation
Safety Certification	TÜV Rheinland certified for use in safety instrumented systems
Dimensions	Compact and designed for easy integration into Field Control Station
Weight	Weight is optimized for industrial system installation
Country of Origin	Japan

Applications

The Yokogawa AMM42 S4 module is suitable for various industrial and critical applications, including:

Field Control Stations: Supports redundant configurations for higher availability and failsafe operation in process control.
Safety Instrumented Systems: Ideal for systems requiring high safety standards and real-time validation, ensuring compliance with industry regulations.
Industrial Automation: Perfect for ensuring robust signal processing and system uptime in demanding environments like oil and gas, power generation, and chemical industries.
Process Control: Enhances reliability in process control systems, guaranteeing uninterrupted operations and system stability.