32-Point Isolated 4-20mA DCS Module

32-Point Isolated 4-20mA DCS Module | AMM42-S2 Yokogawa

Availability: 99 left in stock

Product Overview The AMM42-S2 (Model: AMM42) is a high-density Analog-to-Digital (A/D) conversion module purpose-built for the Yokogawa CENTUM VP and CS 3000...

SKU: AMM42

Manufacturer: Yokogawa
Product No.: AMM42
Product Type: Analog Input Module
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Product Overview

The AMM42-S2 (Model: AMM42) is a high-density Analog-to-Digital (A/D) conversion module purpose-built for the Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). As a core component of the Field I/O (FIO) subsystem, the AMM42-S2 (Part Number: AMM42-S2) provides 32 isolated channels for the deterministic acquisition of standard 4 to 20 mA process signals. This module is engineered to provide maximum I/O density within the control rack, effectively reducing the physical footprint required for large-scale instrumentation marshalling.

Equipped with integrated dual DC-DC converters and a high-pin-density interface (utilizing both 96-pin and 20-pin connectors), the AMM42-S2 (Order Number: AMM42-S2) ensures superior power stability and signal decoupling. The "S2" hardware revision features optimized internal circuitry that provides robust galvanic isolation, shielding the central processor from field-side electrical noise and transients. This makes it an essential module for high-stakes environments such as oil refineries, power plants, and chemical manufacturing facilities where 24/7 uptime and precision measurement are non-negotiable.

Detailed Technical Specifications

The AMM42-S2 provides the following electrical and physical performance parameters for industrial automation:

Manufacturer: Yokogawa Electric Corporation
Model Number: AMM42-S2
Series: CENTUM VP / CS 3000 (FIO Subsystem)
Product Type: 32-Channel High-Density Analog Input (A/D) Module
Input Signal Range: 4 to 20 mA DC
Number of Channels: 32 Isolated Channels
Input Resistance: 250 Ω (Internal precision shunt)
Conversion Resolution: 12 to 16-bit (Scan period dependent)
Measurement Accuracy: ±0.1% of full scale
Interface Architecture: 96-pin connector for main signal / 20-pin connector for converter interface
Power Supply: Dual integrated DC-DC converters for enhanced reliability
Withstanding Voltage: 500 V AC between field terminals and system logic
Data Refresh Rate: Fast sampling compatible with high-speed control loops
Temperature Drift: Optimized for low-drift performance over full operating range
Operating Temperature: 0°C to +60°C (32°F to 140°F)
Dimensions (W x H x D): 32.8 mm x 107.5 mm x 130 mm
Net Weight: 0.3 kg ( 0.65 lbs)

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