Product Description
The NFAI143 is a 4-channel isolated analog input module designed for the Yokogawa CENTUM VP platform. It converts field current signals into precise digital data for reliable process monitoring and control.
Featuring a 16-bit ADC and built-in diagnostic functions, the module ensures stable and accurate signal acquisition in demanding industrial environments. With galvanic isolation and robust design, it maintains measurement integrity even under electrical noise and transient disturbances.
Detailed Technical Specifications
| Parameter | Specification |
|---|---|
| Model | NFAI143 |
| Module Type | Isolated Analog Input |
| Channels | 4 |
| Input Signals | 4–20 mA DC / 0–20 mA DC (software selectable) |
| Measurement Range | 0–24 mA |
| Resolution | 16-bit |
| Accuracy | ±0.1% of reading |
| Conversion Time | 100 ms per module |
| Isolation | Galvanic isolation between input and system bus |
| Input Impedance | 250 Ω |
| Diagnostics | Loop monitoring, wire-break detection, over-range alarm |
| Operating Temperature | -20°C to +70°C |
| Power Supply | 24 V DC via system bus |
| Mounting | DIN rail / rack |
| Weight | 0.3 kg |
Applications
Commonly used in process industries such as oil & gas, chemical plants, and power generation to monitor flow, pressure, temperature, and level transmitters with 4–20 mA outputs within the Yokogawa CENTUM VP environment.
FAQ
Does it support thermocouples directly?
No. Thermocouple signals require a transmitter to convert them to 4–20 mA.
Is it hot-swappable?
Yes, when installed on compatible system backplanes, the module supports hot-swapping for maintenance without stopping the control system.
| 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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