Products Description
YOKOGAWA AAI141-H50 Analog Input Module in stock
Yokogawa AAI141-H50 is a 16-channel non-isolated analog input card for CENTUM VP and CS3000 DCS systems. It supports 4-20mA 2-wire and 4-wire transmitters with built-in HART communication for smart instruments.


It adopts 24-bit ADC for high-precision signal acquisition, and communicates with FCS via ESB bus. It can be configured for redundant operation to improve control system reliability.

Data Parameters
1. Brand: YOKOGAWA
2. Model: AAI141-H50
3. Product Type: Analog Input Module
4. Application: CENTUM VP / CS3000 DCS system signal acquisition
5. Feature: 16CH single-ended non-isolated, HART 7 compatible
6. Characteristic: 24-bit ADC, ESB bus communication, redundant support
7. Input signal: 4–20mA DC
8. Compatible Devices: HART smart transmitters, pressure, level, flow sensors
9. Mounting: DCS rack slot installation
10. Operating Temperature: 0℃ ~ +55℃
Core Functions
1. Collect 4-20mA current signals from field transmitters.
2. Realize HART digital communication for instrument parameter reading and diagnosis.
3. Transmit acquired data to FCS controller through ESB backplane bus.
4. Support module redundancy configuration to enhance system stability.
5. Built-in overcurrent protection and signal fault detection alarm.
Application Scenarios
1. Petrochemical and refinery CENTUM DCS control cabinets.
2. Power plant auxiliary control and process monitoring system.
3. Chemical industry flow, pressure, liquid level and temperature measurement.
4. HART smart instrument data acquisition and remote debugging.
5. Yokogawa CS3000 / VP system spare parts replacement and expansion.
FAQ
1. Q: What is YOKOGAWA AAI141-H50?
A: It is a 16-channel non-isolated analog input module for Yokogawa CENTUM DCS with HART function.2. Q: Is AAI141-H50 isolated?
A: No, it is non-isolated type, please pay attention to field grounding design.3. Q: Can it work with AAI143-H50?
A: Yes, they belong to the same series and can be used in the same DCS rack.
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