Functional Description
The ASI133-H00/SA3S0 is a high-performance analog input module engineered for the Yokogawa FIO (Field Interface Option) system architecture. It enables precise conversion of analog field signals into digital data for process control systems, supporting up to eight independent input channels.
The module incorporates robust electrical isolation between channels and system circuitry, effectively minimizing common-mode noise and preventing ground loop interference in demanding industrial environments. The ASI133-H00/SA3S0 is commonly used to acquire process variables such as pressure, temperature, and flow through standard 4–20 mA current loops, ensuring reliable data transmission to DCS and SCADA platforms.
Technical Specifications
| Parameter | Specification |
|---|---|
| Channel Density | 8 channels (non-isolated or channel-to-channel isolated depending on backplane configuration) |
| Input Signal Range | 4–20 mA DC |
| Input Impedance | 250 Ω (typical) |
| Maximum Input Current | 30 mA DC |
| Conversion Accuracy | ±0.1% of full scale |
| Data Refresh Cycle | ≤ 10 ms |
| Dielectric Strength | 1500 V AC between input terminals and system ground |
| Power Consumption | 150 mA @ 5 V DC (internal system bus) |
| Connection Interface | SA3S0 dedicated terminal block |
| Dimensions | 152 mm × 127 mm × 38 mm (H × W × D) |
| Weight | 0.5 kg |
Operational Scenarios
The ASI133-H00/SA3S0 is widely deployed in upstream oil and gas facilities, water treatment plants, and pharmaceutical production lines. It serves as a critical interface for 2-wire and 4-wire transmitters, enabling high-precision acquisition of analog process signals.
When integrated into a Yokogawa FIO node, the module provides high-speed data acquisition with minimal latency, which is essential for PID control loops, continuous process optimization, and safety monitoring systems.
Frequently Asked Questions
What is the difference between the H00 and other suffixes?
The H00 designation indicates the standard hardware revision without additional environmental coating, while SA3S0 specifies the included terminal block assembly provided with the module.
Does this module support HART passthrough?
No. The ASI133-H00/SA3S0 is a standard analog input module. For HART communication support, users should consider modules in the AAI143 series or verify compatibility with specific FIO carrier configurations.
Is the terminal block hot-swappable?
Yes. The FIO architecture supports hot replacement of the module while the system remains powered, provided that proper safety procedures for the installation environment (especially hazardous areas) are followed.
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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