Yokogawa AMM42-S3 Multiplexer Input Module

Frequently Asked Questions (FAQ)

Q1: What type of input signal does AMM42-S3 support?
A1: It supports 4 to 20 mA DC signals from 2-wire transmitters.

Q2: Is the input signal isolated in AMM42-S3?
A2: No, there is no isolation between field and system or between channels.

Q3: Can AMM42-S3 supply power to transmitters?
A3: Yes, it provides 23.5 to 24.5 V DC with a maximum of 60 mA output.

Q4: What is the data update rate of AMM42-S3?
A4: The module updates input data every 1 second.

Q5: Is AMM42-S3 compatible with safety barriers?
A5: Yes, it is compatible with the MTL787S barrier when set to 70 Ω input resistance.

Q6: How should AMM42-S3 be mounted and wired?
A6: It should be installed in a standard I/O Module Nest and wired using M4 screws to the terminal.

Q7: What is the accuracy of the AMM42-S3 input?
A7: The typical accuracy is ±16 µA.

Q8: What environmental condition affects accuracy?
A8: A temperature change of 10°C may result in a drift of ±32 µA.

AMM42-S3 Multiplexer Input Module Yokogawa

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