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Yokogawa Electric/

Yokogawa AAI143-S03/A4S00 Analog Input Module

Brand:Yokogawa Electric
Item No.:AAI143-S03/A4S00
Product Origin:Japan
Product Dimensions:130 mm × 25 mm × 180 mm
Product Weight:0.3KG
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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  • Product Details
  • Product Applications
  • Product Advantages
  • Technical FAQs
  • Contact


Introduction — Reliable Analog Input with Enhanced Wiring

The Yokogawa AAI143-S03/A4S00 Analog Input Module provides precise and stable 4–20 mA signal acquisition for distributed control systems (DCS). Featuring 8 isolated channels and the A4S00 pressure-clamp terminal interface, this module ensures secure and reliable wiring while simplifying installation and maintenance. Ideal for standard industrial applications, the S03/A4S00 variant offers consistent performance for process control loops without HART communication.


Technical Specifications — Performance & Physical Profile

Specification Description
Module Type 8-channel Isolated Analog Input Module (Standard, non-HART, A4S00 terminal)
Input Signal 4–20 mA DC
Number of Channels 8 isolated inputs
Input Impedance 250 Ω
Accuracy ±0.1% of span
Update Rate 10 ms per channel
Isolation Voltage 1500 V AC (input-to-system)
Power Supply 24 V DC nominal
Operating Temperature –25°C to +70°C
Dimensions 130 mm × 25 mm × 180 mm
Weight ~0.32 kg
Terminal Interface A4S00 dual pressure-clamp for secure wiring

Applications — Key Use Cases

  • Collecting 4–20 mA signals from field transmitters in chemical, water treatment, and power plants

  • High-density DCS installations requiring secure terminal connections

  • Standard process control loops for pumps, valves, and actuators

  • Replacement or expansion of legacy analog input modules

  • Industrial environments needing electrically isolated inputs for interference protection

  • Applications where HART communication is not required

Advantages — Key Benefits

  • 8 isolated channels reduce cross-channel interference and ensure accurate measurements

  • Pressure-clamp terminal interface simplifies wiring and maintenance

  • Reliable accuracy of ±0.1% of span ensures stable process measurement

  • Fast 10 ms update rate supports real-time monitoring

  • 1500 V AC isolation protects against electrical surges and noise

  • Compact and durable design fits industrial racks efficiently

  • Cost-effective solution for standard analog input requirements

Technical FAQs — 10 Common Questions

  1. How many channels are available on the module?

    • 8 isolated analog input channels.

  2. What type of signals does it accept?

    • 4–20 mA DC signals.

  3. Does it support HART communication?

    • No, it is a standard analog input module.

  4. What is the measurement accuracy?

    • ±0.1% of span.

  5. What is the isolation voltage?

    • 1500 V AC between input and system.

  6. What is the update rate per channel?

    • 10 ms.

  7. What type of terminal interface does it use?

    • Dual pressure-clamp A4S00 for secure wiring.

  8. What are the module’s dimensions and weight?

    • 130 mm × 25 mm × 180 mm; ~0.32 kg.

  9. What is the required power supply?

    • 24 V DC nominal.

  10. Is it suitable for electrically noisy environments?

    • Yes, isolation ensures reliable signal acquisition.


Sales and Business Development

Phone: +8617350837383
E-mail: [email protected]
Skype: +8617350837383
WhatsApp: +8617350837383
Business hours: We Provide Online Support 24/7
Address: Room 1001, Jiuzhou Commercial Building, Xiamen, Fujian Province, China

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