SAI143-S03 | Yokogawa | Analog Input Module for ProSafe-RS

Overview

The SAI143-S03 is a 16-channel analog input module designed for Yokogawa ProSafe-RS systems. It accurately processes 4–20 mA signals while maintaining high signal integrity across all channels. Built for high-density installation, the module performs reliably in harsh industrial environments with temperatures ranging from -20°C to 70°C. The unit supports flexible wiring configurations and transmitter power supply for diverse field devices.

Key Features

• Input Signals: 4–20 mA, 16 isolated channels

• High Accuracy: ±16 pA within 1–23 mA range

• Flexible Wiring: Supports 2-wire or 4-wire transmitter connections

• Transmitter Power Supply: 16.15–26.4 V DC, up to 25 mA per channel

• Durability: Conforms to ISA G3 standards, resistant to industrial conditions

• Data Update Frequency: 40 ms

• Input Impedance: 250 Ω + voltage drop (max 0.45 V)

• Withstand Voltage: 1.5 kV AC between input and system

• Power Consumption: 5 V: 320 mA, 24 V: 550 mA

• Connection Options: Pressure clamp terminal or MIL cable

• Weight: Approx. 0.34 kg

Specifications

• Channels: 16

• Permissible Input Range: 0–25 mA

• Operating Temperature: -20°C to 70°C

• Humidity: 5% to 95% RH, non-condensing

Applications

The SAI143-S03 module is ideal for:

• High-reliability process monitoring in ProSafe-RS systems

• Integration with DCS networks requiring precise 4–20 mA signal acquisition

• Chemical, oil & gas, and power generation industries

• Environments demanding compact, high-density analog input solutions

FAQ

• Q1: What is the input response time of the SAI143-S03?
  A1: The module updates data every 40 milliseconds.

• Q2: Can it operate in extreme temperatures?
  A2: Yes, it is rated for -20°C to 70°C and conforms to ISA G3 standards.

• Q3: Does it support both 2-wire and 4-wire transmitters?
  A3: Yes, the module supports flexible wiring configurations for both types.