Frequently Asked Questions (FAQ)

Q1: What type of input signals does the AAI143-S50/K4S00 support?
A1: It supports 4–20 mA DC analog input signals, commonly used in industrial process control.

Q2: How many input channels are available?
A2: This module has 16 independently isolated input channels.

Q3: What kind of interface does it use?
A3: It uses the K4S00 interface, a reliable cable-based connection to terminal blocks.

Q4: Is the module HART-compatible?
A4: The S50 version does not support HART. Use the H50 variant for HART support.

Q5: What is the isolation voltage rating?
A5: 1500 V AC isolation between input channels and the system, ensuring electrical safety.

Q6: How accurate is the analog input reading?
A6: It provides high-precision readings with an accuracy of ±16 µA per channel.

Q7: Can this module power 2-wire transmitters?
A7: Yes, it includes loop power supply per channel up to 25 mA.

Q8: What is the operating temperature range?
A8: –20 °C to +60 °C, suitable for most industrial environments.

Q9: How is it mounted?
A9: It is mounted in a baseplate or rack system as part of a larger DCS configuration.

Q10: Is it compatible with legacy Yokogawa systems?
A10: Yes, it is part of the AAI series and integrates well with CENTUM series control systems.