AMM25T

Product Overview

Yokogawa AMM25T is a Voltage Input Multiplexer Module (often categorized within the multi-point thermocouple/mV input card series).

Technical Specifications

Functional Specifications

• Module Type: Voltage Input Multiplexer Module / Multi-point Thermocouple and mV Input Card.

• Function: Multiplexes multiple low-level differential voltage or millivolt signals into a single processed data stream for the control system.

• System Compatibility: Yokogawa CENTUM CS series I/O nests (e.g., AMN31 / AMN32).

Input & Performance Characteristics

• Input Signals: Low-level DC millivolt signals from thermocouples or transmitters.

• A/D Conversion: Built-in high-resolution ADC for precise signal conversion.

• Isolation: Galvanic isolation between channels and system circuitry to reduce noise and protect against surges.

Electrical & Physical Requirements

• Mounting Interface: Backplane connector for Yokogawa I/O nests.

• Wiring & Connection: Interfaces via dedicated terminal boards such as AMC16T and proprietary signal cables.

• Power Consumption: Powered through system backplane supply.

Environmental Conditions

• Operating Temperature: 0 to 50°C.

• Ambient Humidity: 10% to 90% RH non-condensing.

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