Yokogawa AAI143-H53 S1 Analog Input Module – Product Description

Overview

The Yokogawa AAI143-H53 S1 is a high-performance analog input module designed for precise signal acquisition from field transmitters and sensors. Moreover, it converts analog signals into digital data for seamless integration with CENTUM VP DCS and ProSafe‑RS safety systems. Its compact rack-mounted design ensures reliable operation in mission-critical industrial environments。

Technical Specifications

Electrical & I/O

• Input Channels: 8

• Output Channels: 4

• Input Types: Analog (Voltage: -10 V to 10 V, Current: 0–20 mA, 4–20 mA)

• Output Types: Analog (-10 V to 10 V, 0–20 mA)

• Resolution: 16-bit A/D conversion

• Accuracy: ±0.1% FS (Full Scale)

• Input Impedance: 250 Ω

• Output Impedance: 50 Ω

• Power Supply: 24 V DC via backplane

• Communication Protocol: HART

Performance

• Response Time: ≤10 ms per channel

• Noise Immunity: High resistance to electrical and electromagnetic interference

• Diagnostics: LED indicators for channel and module status, built-in self-test and fault detection

• Reliability: Continuous operation in mission-critical environments

• Redundancy: Supports dual redundant configuration

Mechanical

• Mounting: Rack-mounted in Yokogawa system backplane

• Dimensions (W × H × D): 130 × 130 × 32 mm

• Weight: 0.3–0.5 kg

• Cooling: Natural convection

• Protection: IP20

Environmental & Compliance

• Operating Temperature: 0 °C to +55 °C

• Storage Temperature: −20 °C to +70 °C

• Relative Humidity: 5–95% non-condensing

• Certifications: CE, UL, CSA, IEC 61508 SIL2 compliant

• Origin: Manufactured in Japan

FAQ

Q1: How many analog channels does the AAI143-H53 S1 support?
It supports 8 analog input channels and 4 analog output channels.

Q2: Which communication protocol is used?
The module uses HART protocol for seamless integration with field devices.

Q3: Can it operate continuously in harsh environments?
Yes, it is designed for continuous 24/7 operation with high noise immunity.

Q4: What is the accuracy of the module?
The module provides ±0.1% full-scale accuracy for precise signal measurement.

Q5: How is the module mounted?
It is rack-mounted in the Yokogawa system backplane with natural convection cooling.