Yokogawa AMM42-S4 Multiplexer Input Module

Frequently Asked Questions (FAQ)

Q1: Does the AMM42-S4 support 2-wire transmitters?
A1: Yes, it is designed to receive 4–20 mA DC signals from 2-wire transmitters and provides power for them.

Q2: Is there isolation between channels or between system and field?
A2: No, AMM42-S4 does not provide electrical isolation between channels or between the system and field.

Q3: How many input channels does the module support?
A3: The module supports up to 16 input channels.

Q4: Can the module be used with safety barriers?
A4: Yes, by configuring the input resistance to 70 Ω, it can be used with MTL barriers like model 787S.

Q5: Are there installation precautions?
A5: The module must be installed in a dedicated I/O module nest and connected using M4 screws to ensure secure wiring.

Q6: What is the power consumption of this module?
A6: The module consumes up to 4 A at 5.0 V DC.

Q7: Does it have temperature compensation?
A7: No, it does not include temperature compensation, but has a deviation of ±32 µA per 10°C temperature change.

Q8: What are the dimensions and weight of the module?
A8: The module measures 120 × 90 × 60 mm and weighs 0.249 kg.

AMM42-S4 Multiplexer Input Module Yokogawa

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