Yokogawa SAI143-H03 Analog Input Module

The Yokogawa SAI143-H03 is a high-performance Analog Input Module, specifically designed for use in safety node units and safety control units. This module processes 4 to 20 mA signals from field devices, ensuring reliable and accurate input for critical industrial applications. Built for demanding environments, the SAI143-H03 ensures safety and efficiency in monitoring and controlling processes.

Key Features of the Yokogawa SAI143-H03

Input Channels: The module features 16 channels for precise signal reception, with optional isolation for each channel.
Wide Input Range: It handles an input range from 4 to 20 mA with a permissible input range of 0 to 25 mA.
Accurate Performance: Rated accuracy varies by model, with the SAI143-S providing ±16 µA accuracy (input range of 1 to 23 mA) and the SAI143-H offering ±16 µA accuracy (input range of 0.05 to 23 mA).
Fast Data Update: The module updates data at a frequency of 40 ms, ensuring quick response times.
Temperature Stability: It offers a temperature drift of ±16 µA/10°C, maintaining performance across varying temperatures.
Transmitter Power Supply: The module provides transmitter power supply options ranging from 16.15V (at 20 mA) to 26.4V (at 0 mA), with a current limit of 25 mA.

Technical Specifications

Specification	Value
Model	SAI143-H03
Number of Input Channels	16 Channels
Rated Input Range	4 to 20 mA
Permissible Input Range	0 to 25 mA
Input Impedance	250 Ω (Power-ON) / 500 kΩ (Power-OFF)
Accuracy	±16 µA (SAI143-S: 1 to 23 mA)
Data Update Frequency	40 ms
Temperature Drift	±16 µA/10 °C
Transmitter Power Supply	16.15V to 26.4V (at 0-20 mA)
Connection Type	2/4-wire, configurable
Withstand Voltage	1.5 kV AC (1 minute)
Maximum Current Consumption	320 mA (5V system) / 550 mA (24V system)
Weight	0.34 kg (with terminal block) / 0.39 kg (with cable adapter)

Why Choose the Yokogawa SAI143-H03?

The Yokogawa SAI143-H03 ensures seamless integration in critical industrial systems. It offers versatile connectivity with 2/4-wire settings and supports a wide input range, ideal for safety control systems in diverse applications. The SAI143-H03 guarantees high accuracy and rapid data updates, making it a reliable choice for industries that require stringent safety standards and process monitoring.

Whether used in manufacturing, chemical processing, or power generation, this module delivers precise, real-time data that enhances operational efficiency and safety. Its robust design and reliable performance make it an essential component in industrial automation systems.