Yokogawa SAI143-S03/K4A00 Analog Input Module

Overview

The Yokogawa SAI143-S03/K4A00 is a high-performance analog input module for industrial automation. It supports 16 isolated input channels, delivering precise current measurements from field instruments. This module integrates seamlessly with CENTUM VP and ProSafe-RS DCS/PLC systems. It ensures reliable signal acquisition while providing configurable transmitter power for versatile applications. Its compact design allows easy rack mounting in Yokogawa I/O bases.

Technical Specifications

• Model Number: SAI143-S03/K4A00

• Type: Analog Input Module

• Number of Channels: 16 isolated input channels

• Rated Input Range: 4 to 20 mA

• Permissible Input Range: 0 to 25 mA

• Input Impedance (Power ON): 250 Ω

• Input Impedance (Power OFF): ≥500 kΩ

• Accuracy: ±16 µA (standard type)

• Temperature Drift: ±16 µA per 10°C

• Data Update Frequency: 40 ms

• Transmitter Power Supply: 16.15 V min @ 20 mA; 26.4 V max @ 0 mA

• Output Current Limit: 25 mA

• Power Consumption: 5 V system: 320 mA; 24 V system: 550 mA

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

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

• Transmitter Power ON/OFF: Configurable for all 16 channels simultaneously

• Dimensions: 10.2 cm × 3.8 cm × 10.2 cm

• Weight: 0.34 kg

• Operating Temperature: –20°C to +70°C

• Mounting: Rack-mounted in Yokogawa I/O base