Product Overview
The Yokogawa AND20 functions as the primary communication bridge for remote I/O nodes within the CENTUM VP control system. Acting as a Node Interface Unit (NIU), it connects field control stations to remote I/O expansion units via the high-speed ESB or ER bus. The module manages real-time data exchange between the processor and distributed I/O modules, ensuring synchronized and reliable signal processing across large-scale industrial operations. This unit is supplied as 100% brand new, original hardware for guaranteed compatibility and performance.
Technical Specifications
| Parameter | Specification |
|---|---|
| Module Type | Node Interface Unit (NIU) |
| Bus Interface | ESB Bus / ER Bus compatible |
| Data Transmission Rate | 128 Mbps (ESB Bus) |
| Power Supply | Dual-redundant 24 V DC inputs |
| Node Capacity | Up to 5 local or remote I/O nodes |
| Operating Temperature | 0 to 50°C |
| Weight | 0.8 kg |
Engineering Advantages
Seamless Bus Integration
The AND20 offloads communication handling from the main controller, enabling efficient expansion of distributed I/O networks without increasing CPU load, thereby maintaining fast system response.
Redundant Path Support
Supports dual-redundant communication paths. In case of a cable or path failure, the module automatically switches to the backup channel, ensuring continuous plant operation.
Corrosion Protection
Equipped with G3-level conformal coating, the internal circuitry is protected against corrosive gases such as hydrogen sulfide, making it ideal for harsh industrial environments.
Compact DIN-Rail Mounting
Designed with a standard 35 mm DIN-rail clip for fast and flexible installation, especially in high-density control cabinets.
FAQs
Does the AND20 support hot-swapping?
Yes, the module supports hot-swapping. The redundant communication architecture ensures uninterrupted operation during replacement.
What is the maximum distance for the ESB bus connection?
Standard ESB bus connections support distances up to 10 meters. For longer distances, optical repeaters are required to maintain signal integrity.
How do I verify the communication status?
The front panel includes “HRDY” and “COMM” LED indicators. A steady HRDY light indicates readiness, while flashing COMM LEDs confirm active data transmission.
Is this compatible with older CENTUM CS 3000 systems?
Yes, it is compatible with certain CENTUM CS 3000 configurations. However, firmware compatibility should be verified to ensure full functionality.
| 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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