Yokogawa SAI143-S33 Analog Input Module

The Yokogawa SAI143-S33 is a high-performance analog input module, specifically engineered for demanding industrial automation and process control systems. It offers 16 isolated input channels, ensuring reliable and precise signal processing for critical applications. This module features a wide input range, from 4 to 20 mA, which makes it compatible with a variety of sensors and transducers.

Key Features of the Yokogawa SAI143-S33

Wide Input Range: The SAI143-S33 supports a rated input range of 4 to 20 mA and a permissible range of 0 to 25 mA. This flexibility accommodates various field devices.
High Accuracy: The module provides an accuracy of ±16 µA for both the SAI143-S and SAI143-H models, ensuring highly precise signal measurement.
Temperature Compensation: With a temperature drift of ±16 µA per 10°C, the SAI143-S33 maintains consistent performance even under changing environmental conditions.
Fast Data Update: Featuring a data update frequency of just 40 ms, this module processes signals quickly and efficiently for real-time applications.
Low Power Consumption: The SAI143-S33 operates with minimal power consumption, requiring only 320 mA in 5V systems and 550 mA in 24V systems, making it highly energy-efficient.
Flexible Power Supply Control: It supports both 2-wire and 4-wire settings, with individual channel configuration, ensuring maximum flexibility.

Technical Specifications

Specification	Value
Model	SAI143-S33
Number of Input Channels	16 channels, module isolation
Rated Input Range	4 to 20 mA
Permissible Input Range	0 to 25 mA
Input Impedance (Power ON)	250 Ω + Current value
Input Impedance (Power OFF)	Minimum 500 kΩ
Rated Accuracy	SAI143-S: ±16 µA (Input range 1 to 23 mA)
	SAI143-H: ±16 µA (Input range 0.05 to 23 mA)
Data Update Frequency	40 ms
Temperature Drift	±16 µA per 10°C
Transmitter Power Supply	16.15 V minimum (at 20 mA)
	26.4 V maximum (at 0 mA, Output current limit: 25 mA)
2/4-Wire Setting	Individual channel setting via pins
Withstand Voltage	1.5 kV AC between input signal and system (1 minute)
Maximum Current Consumption	320 mA (5V system), 550 mA (24V system)
Weight	Approx. 0.34 kg (For pressure clamp terminal block or MIL cable)
	Approx. 0.39 kg (With signal cable interface adapter)
External Connection Types	Pressure clamp terminal, MIL cable, Dedicated signal cable

Applications

Industrial Automation: The SAI143-S33 is ideal for use in industrial automation systems. It reliably measures and processes analog signals from field devices.
Process Control: This module helps monitor and control various process parameters, including temperature, pressure, and flow, in real-time.
Measurement Systems: It also suits measurement systems, ensuring accuracy and low noise interference in critical environments.

Why Choose the Yokogawa SAI143-S33?

The SAI143-S33 delivers a combination of precision, flexibility, and reliability. It accommodates various input ranges, provides high accuracy, and ensures quick data updates. Additionally, its low power consumption and wide operating temperature range make it a highly effective solution for industrial and process control systems.