The Yokogawa AAI835-H50 is a high-performance analog I/O module designed for CENTUM CS 3000 / VP distributed control systems. It features 4 analog input and 4 analog output channels, all fully isolated from each other and the system. With built-in HART communication support, this module enables advanced diagnostics and remote configuration of connected field instruments, ideal for safety-critical and high-availability applications.
Technical Specifications
Function: Analog Input/Output Module
Input Channels: 4 (4–20 mA DC, isolated)
Output Channels: 4 (4–20 mA DC, isolated)
HART Communication: Supported on all channels
Input Resistance:
Power ON: 290–450 Ω (current-dependent)
Power OFF: ≥500 kΩ
Allowable Input Current: 25 mA
Allowable Load Resistance (Output): 0–750 Ω
Circuit-Open Detection: Output current < 0.65 mA
Accuracy:
Input: ±16 µA
Output: ±48 µA
Data Update Period: 10 ms
Transmitter Power Supply:
≥15.0 V at 20 mA
≤29.3 V at 0 mA
Temperature Drift: ±16 µA per 10 °C
Power Consumption:
360 mA (5 V DC)
450 mA (24 V DC)
Mounting: ESB/ER bus node units
Weight: 0.2 kg
External Connection: Pressure clamp terminal, MIL connector, or KS cable
RoHS Compliance: Not compliant (use isolation barrier in hazardous areas)
Suffix and Option Codes
Suffix Codes:
-H: With HART communication
5: No explosion protection
0: Basic configuration
Example: AAI835-H50 = HART-enabled, non-explosion-proof, basic version
Available Options:
/K4A00: KS Cable Adapter (ATK4A-00)
/13S00: Pressure Clamp Terminal Block (ATI3S-00)
/13D10: Dual Pressure Clamp Terminal Block with Surge Absorber (ATI3D-10)
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.
