AMM22TJ

Overview

AMM22TJ is a thermocouple input multiplexer module by Yokogawa, designed to handle various thermocouple types with high accuracy, reliable isolation, and robust disconnection detection.

General Information

• Input Signal: Thermocouple, RTS

• Thermocouple Types: K, T, J, E, B, R, S; IEC Standard N

• RTS Types: JPt100 or JIS Pt100 (DIN Pt100), 3-wire type

Specifications

• Input Range: -100 to 100 mV DC

• Allowable Input Voltage: -0.5 to 4.0 V DC

• Signal Insulation: Isolated between systems

• Data Update Period: 1 s

• Accuracy: ±40 µV

• Disconnection Detection Time: 10 s Max.

• Disconnection Detection Current: 0.1 µA

• Allowable Signal Source Resistance: 1 kΩ Max.

• Allowable Wiring Resistance: 150 Ω max. (per wire)

• RJC Input Range: -10 to 70 °C

• RJC Accuracy: ±1 °C

• Measuring Current: 1 mA

• Burnout Detection: Selectable (UP/DOWN/OFF)

• Input Parallel Connection: Not permitted

• Installation Method: Installed in the I/O module nest

• Connection Method: Connected to terminals with M4 screws

• Temperature Effect (per 10 °C change):

• mV Input: ±80 µV or less

• Thermocouple Input: ±80 µV or less

• Current Consumption: 500 mA or less (5.0 V DC)

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