Yokogawa AMM22M mV Input Multiplexer Module

Overview

The Yokogawa AMM22M is a highly accurate mV input multiplexer module, specifically designed for use with Yokogawa’s CENTUM CS and CENTUM VP control systems. This module supports up to 22 analog input channels, enabling precise low-voltage signal acquisition from a wide range of industrial field devices. It is ideal for applications in industrial automation where reliable data collection is critical.

Key Specifications

Feature	Specification
Model	AMM22M
Input Signal Range	-100 mV to +100 mV DC
Allowable Input Voltage	-0.5 V to +4.0 V DC
Input Resistance	E1 MΩ
Allowable Signal Source Resistance	S1 kΩ
Common Mode Voltage	≤ 200 V AC
Accuracy	±40 pV
Burnout Detection	Selectable (UP/DOWN/OFF)
Disconnection Detection Time	≤ 10 seconds
Disconnection Detection Current	≤ 0.1 μA
Data Update Period	1 second
Mounting	Relay I/O module nest
Dimensions	12.7 cm x 2.5 cm x 20.3 cm
Weight	0.2 kg
Country of Origin	Japan

Features

Up to 22 Input Channels: The AMM22M supports 22 analog input channels, ideal for extensive data collection in large-scale industrial setups.
Wide Input Range: With an input signal range from -100 mV to +100 mV DC, this module is versatile in handling various low-voltage signals.
High Input Resistance: The module features high input resistance (E1 MΩ), ensuring accurate measurements of low-voltage signals with minimal interference.
Isolated Signal Paths: It ensures fully isolated signal paths between the system and field devices, improving safety and signal integrity.
Burnout and Disconnection Detection: It offers configurable burnout detection (UP/DOWN/OFF) and disconnection detection, with an ultra-sensitive detection current of ≤ 0.1 μA.
Compact and Lightweight: The AMM22M is compact, measuring 12.7 cm x 2.5 cm x 20.3 cm and weighing just 0.2 kg, making it easy to integrate into control cabinets.
Seamless Integration: This module integrates seamlessly with Yokogawa’s CENTUM CS3000 and CENTUM VP systems, ensuring efficient operation in complex control environments.
RoHS Compliant: Designed with environmental standards in mind, the AMM22M is RoHS compliant, making it safe for use in industrial environments.

Technical Parameters

Input Channels: 22 analog input channels, suitable for collecting extensive data.
Input Signal Range: From -100 mV to +100 mV DC, ideal for low-voltage applications.
Input Resistance: E1 MΩ, offering high precision in low-voltage measurements.
Accuracy: Offers an impressive accuracy of ±40 pV for precise readings.
Burnout Detection: Configurable to UP/DOWN/OFF settings, allowing flexible use in various applications.
Disconnection Detection: Automatically detects disconnection with a response time of ≤ 10 seconds.
Weight and Dimensions: Weighs just 0.2 kg and measures 12.7 cm x 2.5 cm x 20.3 cm, ideal for space-efficient installation.

Applications

The AMM22M is ideal for applications that require precise, low-voltage signal acquisition and multiplexing. It is widely used in industrial automation, power plants, and process control systems where high accuracy and reliable signal processing are essential. Its seamless integration with Yokogawa’s CENTUM CS3000 and CENTUM VP control systems makes it a versatile solution for large-scale industrial environments.