Yokogawa AAI143-H00 S2 16-Point Analog Input Module – Product Description

Overview

The Yokogawa AAI143-H00 S2 is a high-precision analog input module designed for CENTUM VP DCS and ProSafe‑RS SIS systems. It efficiently acquires signals from field devices, including temperature, pressure, flow, and level transmitters. Moreover, it supports HART communication for two-way interaction with intelligent sensors, enabling advanced diagnostics and parameter adjustments. Its compact design ensures seamless integration in rack-mounted industrial control cabinets.

Technical Specifications

Electrical & I/O

• Number of Channels: 16 analog input channels

• Signal Types Supported:

• Current: 4–20 mA DC

• Voltage: 1–5 V DC (configurable)

• Resolution: 16-bit A/D conversion

• Accuracy: ±0.1% of full scale (typical)

• Input Impedance: Current mode ~250 Ω, Voltage mode ≥1 MΩ

• Isolation: Channel-to-channel and system-to-channel

Performance & Diagnostics

• Response Time: ≤10 ms per channel

• Noise Immunity: High resistance to EMI and electrical noise

• Diagnostics: LED indicators for each channel and module status

• Reliability: Continuous 24/7 operation in critical industrial systems

Mechanical

• Mounting: Rack-mounted in Yokogawa backplane

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

• Weight: 0.3–0.5 kg

• Cooling: Natural convection

• Protection: IP20

Communication & Integration

• Interface: Yokogawa ESB bus

• Compatibility: CENTUM VP DCS and ProSafe‑RS SIS systems

• Configuration: Managed via Yokogawa engineering tools

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: Japan

FAQ

Q1: What types of signals does the AAI143-H00 support?
It supports 4–20 mA current and 1–5 V voltage analog inputs.

Q2: Is this module HART compatible?
Yes, it supports two-way communication with HART-enabled sensors.

Q3: Can it be used in SIL2 safety applications?
Yes, it complies with IEC 61508 SIL2 standards for safety-critical systems.

Q4: How many channels does it handle simultaneously?
It handles 16 isolated analog input channels.

Q5: What is the typical response time?
The module provides ≤10 ms response per channel for real-time monitoring.