Yokogawa SAI143-H33 Analog Input Module

Overview

The Yokogawa SAI143-H33 is an analog input module designed for industrial automation. It delivers high-precision signal processing and efficient communication. This module ensures reliable and robust performance in process control systems. It supports 16 isolated input channels and offers flexible transmitter power supply control.

Technical Specifications

• Product Type: Analog Input Module

• Manufacturer: Yokogawa

• Model Number: SAI143-H33

• Number of Input Channels: 16 (module isolation)

• Rated Input Range: 4 to 20 mA

• Permissible Input Range: 0 to 25 mA

• Input Impedance (Power ON): 250 Ω + current value (typically 272.5 Ω at 20 mA, 362.5 Ω at 4 mA)

• Input Impedance (Power OFF): Minimum 500 kΩ

• Rated Accuracy: ±16 µA (for 0.05 to 23 mA input range)

• Data Update Frequency: 40 ms

• Temperature Drift: ±16 µA per 10 °C

• Transmitter Power Supply:

• Minimum 16.15 V at 20 mA

• Maximum 26.4 V at 0 mA

• Output current limit: 25 mA

• 2/4-Wire Setting: Individual channel setting via pins

• Transmitter Power Supply ON/OFF: Available for all 16 channels simultaneously in 2-wire mode

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

• Maximum Current Consumption:

• 320 mA (5 V system)

• 550 mA (24 V system)

• Weight: Approx. 0.34 kg (pressure clamp terminal or MIL cable), 0.39 kg (with signal cable interface adapter)

• External Connections: Pressure clamp terminal, MIL cable, dedicated signal cable

• Operating Temperature:  -20 to 70 °C