描述
一、产品概述
YOKOGAWA AMM42是横河（Yokogawa）推出的多路复用器模块，属于其DCS（分布式控制系统）和工业自动化控制系列产品。该模块专为高精度信号采集与处理设计，支持模拟量输入/输出、多通道复用及安全保护功能，广泛应用于化工、石油、电力、航空航天等工业领域。
二、核心功能与技术参数
1.信号处理能力
输入类型：支持4-20mA、0-10V模拟信号输入，兼容电流变送器、传感器等设备。
通道数量：最多支持16通道输入，部分型号（如AMM42T）支持双线变送器输入。
输出类型：可配置为4-20mA或0-10V模拟输出，或数字信号输出。
2.硬件规格
电源：由节点接口单元提供5.0V直流电。
外形尺寸：125（宽）×130（深）×248（高）mm。
重量：约2kg（不带I/O模块）。
防护等级：适用于工业环境，部分型号通过防爆认证（如Ex d IIC T4）。
3.通信与兼容性
接口协议：支持FOUNDATION Fieldbus、PROFIBUS-DP等工业通信协议。
嵌套设计：可安装于AMN11/AMN12等模拟I/O模块嵌套中，支持灵活扩展。
三、功能特性
高可靠性
采用三重模件冗余（TMR）设计，支持故障自检与容错机制，确保系统连续运行。
抗干扰能力
每个通道独立隔离，抑制电磁干扰与信号噪声。
安全保护
集成过载保护、短路保护功能，防止设备损坏。
灵活配置
支持热插拔更换模块，适配不同工业场景需求。
1.Product Overview
YOKOGAWA AMM42 is a multiplexer module launched by Yokogawa,which belongs to its DCS(Distributed Control System)and industrial automation control series.This module is designed for high-precision signal acquisition and processing,supports analog input/output,multi-channel multiplexing and safety protection functions,and is widely used in chemical,petroleum,electricity,aerospace and other industrial fields.
2.Core functions and technical parameters
1.Signal processing capability
Input type:Supports 4-20mA,0-10V analog signal input,compatible with current transmitters,sensors and other devices.
Number of channels:Supports up to 16 channels inputs,and some models(such as AMM42T)support dual-wire transmitter inputs.
Output type:Can be configured as 4-20mA or 0-10V analog output,or digital signal output.
2.Hardware specifications
Power supply:5.0V DC power is provided by the node interface unit.
Dimensions:125(width)×130(deep)×248(height)mm.
Weight:Approximately 2kg(without I/O module).
Protection level:Applicable to industrial environments,some models have passed explosion-proof certification(such as Ex d IIC T4).
3.Communication and compatibility
Interface protocol:Supports industrial communication protocols such as FOUNDATION Fieldbus,PROFIBUS-DP.
Nesting design:Can be installed in nesting analog I/O modules such as AMN11/AMN12,supporting flexible expansion.
3.Functional characteristics
High reliability
It adopts triple module redundancy(TMR)design,supports fault self-check and fault tolerance mechanisms to ensure continuous operation of the system.
Anti-interference capability
Each channel is isolated independently to suppress electromagnetic interference and signal noise.
Safety protection
Integrated overload protection and short circuit protection functions to prevent equipment damage.
Flexible configuration
Supports hot-swap replacement modules to adapt to different industrial scenarios.
