Product Details
Product Description
The AAI143-H50 / K4A00 analog input module from Yokogawa is designed for distributed control systems requiring precise current signal acquisition. This model provides 16 isolated input channels for 4–20 mA DC signals, ensuring reliable measurement and integration with smart field devices. The H50 suffix indicates HART communication support, no explosion protection, and basic hardware type. The K4A00 option adds compatibility with the KS cable interface adapter (Model: ATK4A-00), enabling connection to the AEA4D terminal board.
Technical Specifications
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Manufacturer: Yokogawa
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Model Number: AAI143-H50 / K4A00
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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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Allowable Input Current: 24 mA
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Withstanding Voltage: 1500 V AC between input and system (1 minute)
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Input Resistance:
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Power ON: 270 Ω at 20 mA, 350 Ω at 4 mA
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Power OFF: ≥500 kΩ
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Accuracy: ±16 µA
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Data Update Period: 10 ms
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Transmitter Power Supply: 19.0 V minimum at 20 mA, 25.5 V maximum at 0 mA (limit 25 mA)
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Transmitter Configuration: Supports 2-wire and 4-wire transmitters via setting pin
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Temperature Drift: ±16 µA per 10 °C change
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Current Consumption: 230 mA (5 V DC), 540 mA (24 V DC)
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Weight: 0.3 kg (Shipping weight: 2.0 kg)
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External Connections: KS cable interface adapter (ATK4A-00), MIL connector cable, pressure clamp terminal
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Communication Protocol: HART-enabled
Suffix Code Breakdown
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H: HART communication support
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5: No explosion protection
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0: Basic hardware type
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K4A00: KS cable interface adapter option for AEA4D terminal board
Key Features
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Isolated Channels: Ensures signal integrity and reduces interference
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HART Communication: Enables diagnostics and remote configuration
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Flexible Connectivity: KS cable adapter option for terminal board integration
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High Accuracy: ±16 µA precision for stable measurement
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Compact Design: Lightweight and efficient for cabinet installation
Application Scenarios
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Chemical and petrochemical process monitoring
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Power generation instrumentation
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Water treatment and distribution systems
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Industrial automation requiring isolated multi-channel input
FAQ
Q: How many channels does the AAI143-H50 / K4A00 provide? A: It supports 16 isolated analog input channels.
Q: What does the suffix “K4A00” indicate? A: It specifies compatibility with the KS cable interface adapter (ATK4A-00) for connecting to the AEA4D terminal board.
Q: Is HART communication supported? A: Yes, the H50 suffix indicates HART protocol support.
Comparison with Similar Models
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AAI143-S00: Standard analog input module without HART support
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AAI143-H53: HART-enabled version with ISA G3 compliance
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AAI143-H50 / K4A00: HART-enabled with KS cable adapter option
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.
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