Product Description
The AAI141-H50/K4A00 is a high-performance analog input module for the Yokogawa CENTUM VP system. It provides 16 input channels for accurate acquisition of 4–20 mA current signals or 1–5 V DC voltage signals from field transmitters.
The module supports HART digital communication, enabling remote configuration, diagnostics, and device monitoring. This variant includes the /K4A00 KS cable interface, allowing quick and reliable connection to terminal boards using prefabricated KS cables, significantly simplifying cabinet wiring.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Channels | 16 channels, non-isolated |
| Signal Types | 4–20 mA DC or 1–5 V DC |
| HART Communication | Supported |
| Accuracy (Current) | ±16 μA |
| Accuracy (Voltage) | ±4 mV |
| Transmitter Power Supply | ≥14.8 V @ 20 mA; ≤26.4 V @ 0 mA |
| Input Resistance (Power ON) | 400–1000 Ω (current-dependent) |
| Input Resistance (Power OFF) | ≥500 kΩ |
| Data Update / Response | 10 ms update, 100 ms step response |
| Temperature Drift | ±16 μA / 10 °C (current); ±4 mV / 10 °C (voltage) |
| Power Consumption | 310 mA @ 5 V DC; 450 mA @ 24 V DC |
| Weight | 0.2 kg |
Application Scenarios
The AAI141-H50/K4A00 is well suited for high-density signal monitoring in centralized control rooms where field instruments share a common grounding reference. Typical applications include factory automation, power plant monitoring, and utility systems, where the integrated transmitter power supply reduces reliance on external loop power supplies for 2-wire transmitters.
Technical FAQ
Q: Can this module power both 2-wire and 4-wire transmitters?
A: Yes. The module supports 2-wire (loop-powered) and 4-wire (self-powered) field devices through configuration settings.
Q: What is the difference between AAI141 and AAI143?
A: AAI141 uses non-isolated channels, making it a cost-effective solution for stable grounding environments. AAI143 provides full channel isolation for applications requiring enhanced noise and ground-loop protection.
Q: What cabling is required for the /K4A00 option?
A: The /K4A00 variant uses a KS cable interface, typically requiring Yokogawa KS1 or KS2 cables to connect the module to the terminal board.
| 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. |
Recently Viewed
Express Shipping
Extensive Inventory
Quality Assurance
