Product Description
The AAI143 (P/N: AAI143-H53/A4S00) is a high-performance analog input module for the Yokogawa CENTUM VP distributed control system. It provides 16 fully isolated current input channels (4–20 mA) for reliable monitoring of process variables.
The H-suffix enables HART digital communication, allowing the DCS to access multivariable data and diagnostics from smart transmitters without additional hardware. The A4S00 option equips the module with a high-reliability Pressure Clamp Terminal Block, allowing direct field wiring termination for secure connections even in high-vibration environments.
With its 53-suffix standard industrial configuration, the module combines high-density signal processing with robust electrical isolation, ensuring process integrity in demanding automation environments.
Technical Specifications
| Item | Specification |
|---|---|
| Input Configuration | 16 × analog current input, fully isolated |
| Signal Range | 4 to 20 mA DC |
| Digital Support | HART protocol enabled (H-suffix) |
| Wiring Interface | Pressure Clamp Terminal Block (A4S00 option) |
| Isolation Strength | 1500 V AC (input to system) |
| Input Impedance (Active) | 270 Ω @ 20 mA → 350 Ω @ 4 mA |
| Input Impedance (Passive) | ≥ 500 kΩ (power off) |
| Measurement Accuracy | ±16 µA |
| Data Refresh Rate | 10 ms |
| Safety Profile | Basic type, non-explosion protected |
| Mounting | Compatible with Yokogawa FIO node units |
Application Use Cases
The AAI143-H53/A4S00 is ideal for oil & gas, pharmaceutical, and power generation applications.
Its 16-channel density makes it perfect for monitoring large transmitter banks, while the pressure clamp terminals allow direct wiring, easy maintenance, and flexible cable lengths in control cabinets.
FAQ
What is the advantage of the A4S00 terminal over the K4A00 adapter?
The A4S00 provides direct wire termination via a pressure clamp block. The K4A00 uses a cable adapter for pre-fabricated KS cables. A4S00 is preferred for custom wiring lengths or when bypassing intermediate terminal boards.
Can this module communicate with non-HART transmitters?
Yes. It functions as a standard 4–20 mA input module for conventional transmitters, while automatically supporting HART digital signals when connected to smart devices.
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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