The SAI143-H63 Analog Input Module from Yokogawa is a high-reliability unit designed for precise current signal acquisition in distributed control systems. Although the original listing incorrectly described it as a digital output module, this product is correctly classified as an analog input module. It provides robust isolation, fast data refresh, and transmitter power supply control, making it suitable for demanding industrial automation environments.
Key Technical Specifications
Model: SAI143-H63
Manufacturer: Yokogawa
Product Type: Analog Input Module
Number of Channels: 16 isolated input channels
Rated Input Range: 4–20 mA
Data Update Frequency: 40 ms
Transmitter Power Supply: ON/OFF function available in 2-wire configuration, applied simultaneously across all 16 channels
Isolation Strength: 1.5 kV AC withstand voltage between input signal and system (1 minute)
Shipping Weight: 1.5 kg
Application Scenarios
The SAI143-H63 is widely used in process industries such as petrochemical, power generation, and water treatment facilities. Its fast update rate and isolation make it ideal for integration into Yokogawa’s DCS platforms, ensuring reliable monitoring and control of multiple analog signals.
FAQ
Q: Is the SAI143-H63 suitable for 2-wire transmitters? A: Yes, it supports simultaneous ON/OFF transmitter power supply for all 16 channels in 2-wire mode.
Q: How does the SAI143-H63 differ from the SAI143-H53? A: The H63 is a standard analog input module without HART communication, while the H53 includes HART capability and extended environmental compliance.
