YOKOGAWA SAI143-S63 S3 ANALOG MODULE

Description:

The Yokogawa SAI143-S63 S3 Analog Input Module is used a multi-channel current input module designed for Yokogawa CENTUM and FIO (Field Input/Output) systems. It converts analog field signals into digital data for processing by the control system. The module supports high-accuracy acquisition of process variables and is built for reliable operation in industrial automation environments. 

Applications:

The Yokogawa SAI143-S63 is used in industrial environments for acquiring analog signals from field instruments such as transmitters. It is commonly deployed in chemical processing, power generation, oil & gas, and manufacturing systems. The module enables real-time monitoring of variables like pressure, flow, level, and temperature, ensuring stable and accurate process control.

Technical Specifications:

• Manufacturer: Yokogawa
• Model / Part Number: SAI143-S63 S3
• Product Type: Analog Input Module (Current Input)
• Number of Channels: 16 channels (isolated)
• Input Signal: 4–20 mA DC (standard industrial signal)
• Allowable Input Range: Up to ~24–25 mA
• Accuracy: Approx. ±16 µA
• Input Impedance: ~250–350 Ω (power ON)
• Data Update Rate: ~10 ms
• Transmitter Power Supply: Supports 2-wire transmitters (~19–25.5 VDC)
• Communication: Optional HART support (suffix dependent)
• Redundancy: Supports dual-redundant configuration
• Operating Temperature: -20°C to +70°C (S3 option)
• Installation: Rack-mounted in FIO / Node Unit
• Function: Converts analog field signals to digital system data

Common Replacements:

• Yokogawa AAI143-H53 Analog Input Module
• Yokogawa SAI143-H63 (with HART communication)
• Yokogawa AAI143 Series (newer revisions)