Product Description
The AAI543 (P/N: AAI543-H53/A4D00) is a high-performance analog output module for the Yokogawa CENTUM VP distributed control system. It provides 16 fully isolated channels that convert digital control commands into precise 4–20 mA analog signals for driving final control elements such as valve positioners, actuators, and variable speed drives.
The H53 suffix indicates extended operating temperature and G3-level conformal coating for protection against corrosive atmospheres. The A4D00 option equips the module with a dual-redundant pressure clamp terminal block, enabling direct field wiring while supporting high-availability system architectures. Integrated HART communication allows remote diagnostics and asset management of smart field devices.
Technical Specifications
| Item | Specification |
|---|---|
| Output Channels | 16 × independent, fully isolated |
| Signal Range | 4 to 20 mA DC |
| Digital Communication | HART protocol (bidirectional) |
| Output Accuracy | ±48 µA |
| Temperature Drift | ±16 µA per 10 °C |
| Load Drive Capability | 0–750 Ω |
| Safety Monitoring | Circuit-open detection below 0.65 mA |
| Update Interval | 10 ms |
| Isolation Integrity | 1500 V AC (output to system) |
| Power Consumption | 230 mA @ 5 V DC; 540 mA @ 24 V DC |
| Environmental Ratings | –20°C to +70°C |
| Dimensions (W × H × D) | 5.1 × 20.3 × 14.6 cm |
| Net Weight | 0.4 kg |
Application Use Cases
The AAI543-H53/A4D00 is ideal for mission-critical industrial applications such as:
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Offshore oil and gas platforms
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Chemical and petrochemical plants
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Refineries
Its extended temperature range, corrosion-resistant coating, and redundant wiring support make it suitable for localized I/O enclosures in harsh environments where uninterrupted control is essential.
FAQ
What is the benefit of the A4D00 terminal block?
The A4D00 supports dual-redundant wiring, ensuring that control signals remain active even if one module path fails.
Does this module require a separate power supply for the 4–20 mA loops?
The module draws 24 V DC for the loops. The terminal block wiring determines how field power is distributed to the actuators.
| 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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