The SAI143-H53 Analog Input Module from Yokogawa is designed for high-performance signal acquisition in distributed control systems. Although the original listing incorrectly labeled it as a digital output module, this unit is correctly classified as an analog input module. It integrates HART communication capability and enhanced environmental resilience, making it suitable for demanding industrial automation environments.
Key Technical Specifications
Model: SAI143-H53
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)
Operating Temperature: –20 to +70 °C (ISA Standard G3 compliance)
Suffix Codes:
H: HART communication enabled (Release R1.02.00)
5: Pressure clamp terminal block or MIL cable, no explosion protection
3: ISA G3 standard, extended temperature range
Shipping Weight: 1.5 kg
Application Scenarios
The SAI143-H53 is ideal for process industries requiring robust analog signal acquisition with HART diagnostics. It is particularly suited for chemical plants, oil & gas facilities, and power generation systems where environmental resilience and communication flexibility are critical.
FAQ
Q: Does the SAI143-H53 support HART communication? A: Yes, the suffix code H indicates full HART communication capability.
Q: What environments can this module operate in? A: It is compliant with ISA Standard G3, supporting operation in harsh industrial conditions from –20 to +70 °C.
Q: How does the SAI143-H53 differ from the SAI143-H33? A: The H53 includes HART communication and extended environmental compliance, while the H33 is a standard analog input module without HART.
