Yokogawa SAI143-H53/A4S00 Analog Input Module

Overview

The Yokogawa SAI143-H53/A4S00 is a high-precision analog input module for safety instrumented systems (SIS). It ensures accurate, reliable signal acquisition in demanding industrial environments. Engineers value its fast data update, robust isolation, and flexible wiring options. With built-in transmitter power and strong electrical protection, it meets stringent safety and performance standards.

Technical Specifications

Model Number: SAI143-H53/A4S00
Type: Analog Input Module
Manufacturer: Yokogawa

Input Channels:

• Total Channels: 16

• Isolation: Module-level

Input Signal Characteristics:

• Rated Range: 4–20 mA

• Permissible Range: 0–25 mA

• Impedance (Power ON): 250 Ω

• Impedance (Power OFF): ≥ 500 kΩ

• Accuracy: ±16 µA (0.05–23 mA range)

• Temperature Drift: ±16 µA per 10°C

• Data Update Frequency: 40 ms

Transmitter Power Supply:

• Voltage Range: 16.15V at 20 mA to 26.4V at 0 mA

• Output Current Limit: 25 mA

• Wiring Configuration: Select 2-wire or 4-wire per channel via pins

Electrical Isolation:

• Withstand Voltage: 1.5 kV AC for 1 minute between input and system

Power Consumption:

• 5V System: 320 mA max

• 24V System: 550 mA max

Physical Characteristics:

• Weight: 0.39 kg