Product Overview
The NFAI543-H50/A4S00 functions as a high-density analog output module designed for the Yokogawa CENTUM VP and ProSafe-RS control environments. This specific configuration integrates 16 isolated output channels, enabling precise 4–20 mA signal transmission to field devices such as control valves, actuators, and positioners.
A key feature of the NFAI543-H50/A4S00 is the inclusion of the ATA4S-00 pressure clamp terminal block, which provides secure electrical termination while significantly reducing installation time in complex field wiring scenarios. The module is engineered for high-availability architectures, supporting dual-redundant configurations to ensure continuous process control even during hardware transitions or module replacement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | Isolated Analog Output with HART Communication |
| Channel Count | 16 isolated output channels |
| Output Signal Range | 4–20 mA DC |
| Integrated Terminal Block | ATA4S-00 pressure clamp type |
| Digital Communication | Bi-directional HART protocol support |
| Signal Accuracy | ±0.05% of Full Scale (FS) |
| Output Response Time | ≤ 1.0 ms |
| Operating Temperature | -40°C to +85°C |
| Power Consumption | 230 mA at 5 V DC / 540 mA at 24 V DC |
| Dimensions | 170 mm × 120 mm × 45 mm |
| Weight | 0.4 kg |
Operational Applications
The NFAI543-H50/A4S00 is commonly deployed in oil and gas refineries, chemical processing plants, and power generation facilities where precise analog control signals are required for valve positioning and actuator control.
With integrated HART communication, engineers can remotely perform device diagnostics, calibration adjustments, and instrument identification directly through the control system interface. Additionally, the module’s channel-to-channel isolation prevents ground loop interference, ensuring high signal integrity and reliable operation in critical process control and safety-instrumented system (SIS) environments.
Product Comparison
Compared with the standard NFAI543 module, the NFAI543-H50/A4S00 primarily differs in its pre-installed ATA4S-00 pressure clamp terminal block.
While both modules deliver the same 16-channel 4–20 mA analog output functionality, the H50/A4S00 variant is specifically optimized for installations requiring direct pressure clamp wiring connections. This configuration reduces the need for external marshalling components and simplifies cabinet wiring in many CENTUM VP rack configurations.
| 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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