AMM22M

Overview

AMM22M is a Yokogawa mV input multiplexer module used for high-precision voltage signal input in industrial automation systems. It features isolated signal paths, configurable burnout detection, and high input resistance.

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Input Characteristics

• Input signal: mV

• Input range: -100 to 100 mV DC

• Allowable input voltage: -0.5 to 4.0 VDC

• Input resistance: 1 MΩ

• Allowable signal source resistance: 1 kΩ Max

• Allowable common mode voltage: 200 V AC

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Insulation and Isolation

• Signal insulation: Input signals are isolated between systems

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Performance

• Data update period: 1 s

• Accuracy: ±40 µV

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Disconnection Detection

• Disconnection detection time: 10 s Max

• Disconnection detection current: 0.1 µA

• Burnout detection: Select from UP/DOWN/OFF

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Input Configuration

• Input parallel connection: Permitted (burnout OFF)

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