Product Details
Product Description
The AAI143-S03 / A4S00 analog input module from Yokogawa is engineered for high-precision signal acquisition in distributed control systems. With 16 isolated input channels, this unit ensures reliable measurement of 4–20 mA DC signals while supporting redundant configurations for mission-critical applications. The S03 suffix provides enhanced environmental tolerance under ISA G3 standards, making it suitable for harsh industrial conditions.
Technical Specifications
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Manufacturer: Yokogawa
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Model Number: AAI143-S03 / A4S00
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Type: Isolated Analog Input Module
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Channels: 16 isolated input channels
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Signal Range: 4–20 mA DC
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Accuracy: High precision measurement with stable performance
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Input Resistance: 250 Ω (at 20 mA)
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Transmitter Power Supply: 24 V DC
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Redundancy: Compatible with dual-redundant setups
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Dimensions (W × H × D): Compact design for cabinet integration
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Weight: Approx. 0.3 kg
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Suffix Codes:
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S: Standard type
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0: Basic type
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3: ISA G3 option with extended temperature range (-20°C to +70°C)
Key Features
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Isolated Channels: Prevents interference and ensures reliable signal integrity
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Redundancy Support: Maintains system stability in fail-safe configurations
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Environmental Durability: ISA G3 compliance for extended temperature operation
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Compact and Lightweight: Easy installation in space-constrained control cabinets
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High Accuracy: Consistent performance across industrial environments
Application Scenarios
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Chemical and petrochemical process monitoring
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Power generation instrumentation and turbine control
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Water treatment and distribution automation
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Industrial automation requiring isolated multi-channel input
FAQ
Q: How many channels does the AAI143-S03 provide? A: It supports 16 isolated analog input channels.
Q: What does the suffix “S03” indicate? A: It specifies ISA G3 compliance and extended operating temperature range (-20°C to +70°C).
Q: Is redundancy supported? A: Yes, the module is compatible with dual-redundant configurations.
Comparison with Similar Models
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AAI143-S00: Standard analog input module without extended environmental options
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AAI143-S03: Enhanced version with ISA G3 compliance and extended temperature range
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































