Yokogawa AAI141-H50/K4A00 Analog Input Module Brand new and original 30-Day Returns！

Brand：Yokogawa Electric

Item No.：Yokogawa AAI141-H50/K4A00

Product origin：Japan

Dimensions:107.5 × 32.8 × 130 mm

Weight:0.2 kg

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Product Introduction：

Overview

The Yokogawa AAI141-H50/K4A00 is a 16-channel analog input module designed for use in the Yokogawa CENTUM CS 3000 and CENTUM VP distributed control systems. It converts 4–20 mA analog signals from field instruments into digital data for precise process monitoring and control. The “/K4A00” option indicates specific calibration and functional configuration enhancements for improved signal processing stability. This module ensures high reliability and accuracy in critical industrial applications such as petrochemical, refining, power generation, and water treatment plants.

General Information

Part Number: AAI141-H50/K4A00

Manufacturer: Yokogawa Electric Corporation

Series: AAI (Analog Input Module Series)

Type: Analog Input Module (AI)

Number of Channels: 16 isolated analog inputs

Signal Type: 4–20 mA DC current input

Country of Origin: Japan

Mounting: Installed on FIO (Field Input/Output) base unit within the control cabinet

Technology: High-performance A/D conversion, electrical isolation per channel, digital filtering, and integrated diagnostics for stable long-term operation

Power Specifications

Power Supply Voltage: 24 V DC (supplied via I/O base)

Power Consumption: Approx. 6.5 W

Input Power Source: Through backplane connection

Isolation: Channel-to-channel and channel-to-ground optical isolation

Protection: Overvoltage, reverse polarity, and surge protection

Communication & Interface

Interface Type: Field I/O (FIO) bus communication

System Compatibility: Yokogawa CENTUM CS 3000 / CENTUM VP

Input Signal Range: 4–20 mA DC

Input Resistance: 250 Ω typical

Resolution: 16-bit A/D conversion

Accuracy: ±0.1% of full scale or better

Diagnostics: Self-diagnostic function with status LEDs for power, communication, and channel error

Configuration: Software-configurable via Yokogawa engineering tools (such as CENTUM system builder and FIO configuration utility)

Environmental

Operating Temperature: 0 °C to +60 °C

Storage Temperature: −20 °C to +70 °C

Humidity: 10% to 90% RH, non-condensing

Vibration Resistance: 10–60 Hz, amplitude 0.075 mm

Protection Rating: IP20 (for internal panel mounting)

Maximum Operating Altitude: 2000 m

Dimensions & Weight

Dimensions (L × W × H): 107.5 × 32.8 × 130 mm

Weight: 0.2 kg

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