AAM21

Overview

AAM21 is a Yokogawa input module for mV, thermocouple, and RTS signals.

Signal Input and Output

• Input Range: 1–5 V DC (signal ground shared with system)

• Auxiliary Output Resistance: ≤ 1 Ω

• Allowable Load Resistance: ≥ 10 kΩ

• Output Range: 0.5–5.5 V DC

Burnout Detection

• Mode: UP / DOWN / OFF selectable

• Detection Current: 0.1 μA (terminal B only)

• Detection Time: Within 60 s

Installation and Connection

• Mounting: Installed in AMN11 Nest for Analog I/O Modules

• Connection: Terminals with M4 screws

Electrical Isolation

• Signal Isolation: Inputs isolated from system

• Withstanding Voltage: 1500 V AC/min

Power Consumption

• Current Draw: ≤ 150 mA at 5 V DC

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