Product Description
The AAI135-H53 is an 8-channel analog input module designed for Yokogawa CENTUM VP Field Control Stations. It is purpose-built for mission-critical applications in harsh industrial environments where standard I/O hardware may fail.
The H53 designation indicates a high-specification build combining:
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HART digital communication for access to secondary variables and instrument diagnostics
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ISA G3-compliant conformal coating for protection against corrosive gases
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Extended operating temperature from -20 to 70 °C
This module provides fully isolated 4–20 mA DC input channels with a fast 10 ms update period, ensuring accurate, high-speed process data delivery to the DCS. Its rugged design makes it suitable for refineries, offshore platforms, and chemical processing facilities, maintaining signal integrity even under extreme thermal or corrosive conditions.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Channels | 8 points, fully isolated from system logic |
| Input Signal Range | 4–20 mA DC |
| Communication Protocol | HART (digital over analog, transparent) |
| Environmental Protection | ISA G3 conformal coating |
| Operating Temperature | -20 to 70 °C |
| Signal Accuracy | ±16 µA (±0.1% of span) |
| Data Update Cycle | 10 ms |
| Isolation Voltage | 1500 V AC (1 minute, input to system) |
| Power Consumption | 5 V DC: 230 mA / 24 V DC: 540 mA |
| Redundancy Support | Yes, dual-redundant FIO configurations |
| Weight | 0.3 kg |
| Module Type | Isolated analog input |
Module Resilience and Durability
The AAI135-H53 is engineered to maintain signal integrity in corrosive or thermally challenging environments, such as those containing Hydrogen Sulfide (H₂S) or Sulfur Dioxide (SO₂). Its extended temperature rating allows installation in outdoor or minimally-cooled cabinets, ensuring continuous operation in harsh climates.
The module can be hot-swapped when installed in a redundant pair on a compatible FIO baseplate, allowing maintenance without interrupting control loops.
Frequently Asked Questions
Q: What does the ‘5’ in H53 signify?
A: The ‘5’ denotes standard switch-over response for non-explosion protected environments.
Q: Can this module be hot-swapped during operation?
A: Yes. When used in a redundant pair, it can be replaced without shutting down the control loop.
Q: Is this module compatible with the ATK4A-00 adapter?
A: Yes. The /K4A00 option can be ordered to utilize KS cable interfaces, or the adapter can be retrofitted if needed.
| 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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