Product Description
The AAI135-H53/K4A00 is a ruggedized 16-channel analog input module for the Yokogawa CENTUM VP distributed control system. Designed for harsh and corrosive industrial environments, this variant features ISA Standard G3 conformal coating and an extended operating temperature range to ensure long-term reliability.
It supports high-density 4–20 mA signal acquisition with integrated HART communication, enabling advanced asset management and remote field device diagnostics. The module is supplied with the ATK4A-00 KS cable interface adapter, allowing fast and reliable connection to terminal boards via prefabricated KS cables.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Channels | 16 channels, isolated from system |
| Signal Type | 4–20 mA DC |
| HART Communication | Supported (digital overlay on analog signal) |
| Corrosion Protection | ISA Standard G3 conformal coating |
| Operating Temperature | −20 to +70 °C |
| Interface Adapter | KS Cable Interface Adapter (ATK4A-00) |
| Explosion Protection | Non-explosion protected (Type 5, Basic Type) |
| Input Impedance | 250 Ω |
| Accuracy | ±0.1% of full scale |
| Update Cycle | 10 ms |
| Power Consumption | Max. 450 mA at 5 V DC |
Application Scenarios
The AAI135-H53/K4A00 is well suited for offshore platforms, pulp and paper mills, and chemical processing plants where corrosive gases such as H₂S or SO₂ are present.
The G3 conformal coating protects internal circuitry from corrosion, while HART capability allows maintenance teams to remotely monitor device health, valve position, and diagnostic data—reducing field intervention and downtime.
Technical FAQ
Q: What advantages does the H53 suffix offer compared to H50?
A: The H53 specification provides two key enhancements:
-
ISA G3-compliant conformal coating for corrosive environments
-
Expanded operating temperature range for extreme ambient conditions
Q: What terminal configuration is used with the /K4A00 option?
A: The /K4A00 variant uses a KS cable interface adapter (ATK4A-00) instead of a pressure clamp terminal block. This allows direct connection to terminal boards via prefabricated KS cables, reducing installation time and wiring errors.
| 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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