The Yokogawa AAI135-S00 is an 8-channel analog input module designed for use in CENTUM CS 3000 / VP distributed control systems. It accepts 4–20 mA DC current signals with individual channel isolation and high-precision signal acquisition, making it suitable for critical applications in process automation environments. The module supports HART communication and is compatible with redundant system architectures.
Technical Specifications
Function: Analog Input Module
Input Signal: 4–20 mA DC
Number of Channels: 8 (individually isolated)
Input Resistance:
Power ON: 290–450 Ω (current-dependent)
Power OFF: ≥500 kΩ
Allowable Input Current: 25 mA max
Accuracy: ±16 µA
Data Update Period: 10 ms
Withstanding Voltage: 500 V AC (1 minute, input-to-system and channel-to-channel)
Transmitter Power Supply:
≥15.0 V @ 20 mA
≤29.3 V @ 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
External Connection: Pressure clamp terminal, MIL connector, KS cable
Weight: 0.3 kg
RoHS Compliance: Not compliant (requires isolation barrier in hazardous areas)
Functional Highlights
Stable and accurate analog signal acquisition
Channel-to-channel and system isolation for high signal integrity
Supports HART communication (with EB401 firmware rev. 2 or later)
Suitable for use in intrinsically safe systems when paired with isolation barriers
Designed for harsh industrial environments and critical process applications
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.