Product Description
The NFAI143-H50/A4AS0 is a high-density analog input interface engineered for the Yokogawa Centum VP and ProSafe-RS control architectures. This module serves as the primary bridge between field-level sensory hardware and the distributed control system (DCS) logic, processing standard current loops with high accuracy. Each of the 16 channels is designed with individual electrical isolation to prevent ground loops and protect the system bus from field-side electrical surges, ensuring long-term operational stability in harsh processing environments.
Technical Specifications
| Specification | Details |
|---|---|
| Model Hardware | NFAI143-H50/A4AS0 |
| Channel Configuration | 16 isolated channels |
| Signal Input Range | 4 to 20 mA DC (Standard current loop) |
| Input Impedance | 250 ohms |
| Conversion Accuracy | ±0.1% of span |
| Temperature Coefficient | ±0.01% per degree Celsius |
| Maximum Current Input | 30 mA DC |
| System Interface | Compatible with FIO (Field network I/O) |
| Power Consumption | 3.2 W (within the system nest) |
| Module Dimensions | 155.9 mm (H) x 32.8 mm (W) x 130 mm (D) |
| Net Weight | 0.30 kg |
Operational Logic and Reliability
The NFAI143-H50/A4AS0 utilizes advanced digital filtering to mitigate high-frequency noise interference common in heavy industrial facilities. This specific "H50" variant indicates enhanced capability for standard signal processing, while the "A4AS0" suffix denotes the specific style of the pressure-clamp terminal or connector interface. It is commonly utilized for monitoring temperature transmitters, pressure transducers, and flow meters where precise signal feedback is mission-critical.
Frequently Asked Questions
Q: Does the NFAI143-H50/A4AS0 support HART communication?
A: This specific base model focuses on 4-20 mA DC analog signals. If HART pass-through or digital diagnostics are required, specialized HART-enabled versions of the NFAI143 series should be selected.
Q: Can this module be installed in a redundant configuration?
A: Yes, when used in a dual-redundant I/O node unit, the NFAI143-H50/A4AS0 supports hot-swappable redundancy to ensure zero downtime during maintenance or module failure.
| 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
