Product Overview

The AMM32-S3 (Model: AMM32) is a high-density analog input module engineered for the Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). As a central component of the Field I/O (FIO) subsystem, the AMM32-S3 (Order Number: AMM32-S3) provides 32 isolated channels for the high-precision acquisition of 4 to 20 mA process signals. This module is specifically designed for large-scale industrial process plants where maximizing cabinet density and maintaining signal integrity are primary engineering requirements.

Crucially, the AMM32-S3 (Part Number: AMM32-S3) is strictly an analog input module, correcting common misidentifications in older documentation that occasionally list it under digital components. The "S3" hardware revision is optimized for the Vnet/IP control architecture, delivering superior galvanic isolation and robust diagnostics. It is the industry standard for monitoring critical process variables such as pressure, flow, and level in the oil and gas, petrochemical, and power generation sectors.

Detailed Technical Specifications

The AMM32-S3 is built for deterministic performance in high-density environments.

• Manufacturer: Yokogawa Electric Corporation

• Model Number: AMM32-S3

• Series: CENTUM VP / CS 3000 (FIO System)

• Product Type: 32-Channel High-Density Analog Input Module

• Input Signal: 4 to 20 mA DC

• Number of Channels: 32 Channels, Isolated

• Input Resistance: Approximately 250 Ω (Precision internal shunt)

• ADC Resolution: 12 to 16-bit (Software/Hardware configuration dependent)

• Accuracy: ±0.1% of full scale at 25°C

• Temperature Drift: ±0.01% per 10°C change

• Update Period: Fast process sampling suitable for real-time automation

• Isolation Voltage: 500 V AC between field terminals and system logic

• Data Refresh Rate: Compatible with high-speed Vnet/IP bus cycles

• Current Consumption: Optimized for low heat dissipation in high-density racks

• Mounting: Installs in FIO Node units (ANB or ANL units)

• Operating Temperature: 0°C to +60°C (32°F to 140°F)

• Compliance: CE, IEC 61131, and G3 Conformal Coating (Optional)