Yokogawa SAI533-H33 Analog I/O Module

The Yokogawa SAI533-H33 is a versatile analog input/output module designed to ensure seamless integration in process control and industrial automation systems. This module offers high accuracy and fast data update frequencies for precise measurement and control. It supports 16 isolated input channels and is ideal for handling 4-20 mA signals.

Key Features

16 Input Channels: The SAI533-H33 provides 16 isolated input channels for a reliable connection to multiple field devices.
Wide Input Range: It supports an input range from 4 to 20 mA, with a permissible range of 0 to 25 mA, making it compatible with a variety of sensors and transmitters.
High Accuracy: With rated accuracy of ±16 µA (SAI143-S model) and ±16 µA (SAI143-H model), this module guarantees precise signal conversion and reliable readings.
Fast Data Update: The SAI533-H33 updates data every 40 ms, enabling real-time monitoring and control of processes.
Temperature Stability: The temperature drift of ±16 µA per 10°C ensures consistent accuracy, even in fluctuating temperature conditions.
Flexible Power Supply: It allows for flexibility in wiring with both 2-wire and 4-wire settings, providing various options for easy installation.
Robust Protection: The SAI533-H33 can withstand 1.5 kV AC for 1 minute between the input signal and the system, ensuring safety and longevity in demanding environments.
Low Power Consumption: It consumes only 320 mA (5V system) or 550 mA (24V system), ensuring efficient energy usage.

Technical Specifications

Specification	Value
Model	SAI533-H33
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)
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

Process Control: Ideal for monitoring and controlling temperature, pressure, and other key process variables.
Industrial Automation: Ensures precise data acquisition for controlling machinery, actuators, and sensors.
Safety Systems: The SAI533-H33 can be used in safety-critical applications where accuracy and reliability are essential.

Why Choose the Yokogawa SAI533-H33?

The SAI533-H33 is a robust and accurate solution for demanding industrial environments. With its flexibility, high precision, and easy integration into existing systems, it enhances the performance and reliability of automation and control systems. It offers versatile input signal compatibility, low power consumption, and exceptional safety features.