Product Overview
The Yokogawa ASI533 is a high-precision Analog Output Module designed for the Field Integrated Operation (FIO) system within Yokogawa’s CENTUM VP Distributed Control System. It provides 8 isolated channels of 4–20 mA DC outputs for driving field devices such as actuators, valve positioners, and variable speed drives. The module supports both single and dual-redundant configurations, ensuring high availability and stable performance in critical control applications. This unit is supplied as 100% brand new, original factory equipment for seamless system integration and long-term operational reliability.
Technical Specifications
| Parameter | Specification |
|---|---|
| Number of Channels | 8 isolated channels |
| Output Signal Range | 4–20 mA DC |
| Bus Compatibility | ESB, Optical ESB, ER buses |
| Intrinsic Safety | FM approved (built-in barrier) |
| Redundancy | Supported (dual-redundant configuration) |
| Weight | 0.3kg |
| Power Supply | Via Node Unit / Field Control Unit backplane |
| Condition | 100% Brand New Original |
Engineering Advantages
Intrinsically Safe Integration
Built-in FM-approved safety barriers allow direct connection to field devices in hazardous areas without requiring external isolators or zener barriers, simplifying system architecture.
Redundant Reliability
In dual-redundant setups, a secondary module automatically takes over if the primary fails, ensuring uninterrupted analog output and maintaining process stability.
Complete Channel Isolation
Each of the 8 channels is individually isolated, preventing ground loops and minimizing electrical noise interference between channels.
Versatile Bus Support
Compatibility with ESB, optical ESB, and ER buses enables flexible system design and supports remote node placement while maintaining high-speed communication.
FAQs
Does the ASI533 support HART communication pass-through?
Standard versions primarily support 4–20 mA outputs. HART pass-through depends on specific model variants, so verify the suffix code if HART functionality is required.
What happens if the module loses communication?
The module can be configured to either hold the last output value or switch to a predefined safe value (e.g., 4 mA) to ensure controlled process behavior.
How do I monitor module health?
Module status can be monitored via the CENTUM VP maintenance console, and front-panel LEDs provide local indicators for power and communication status.
Can the ASI533 be installed in any FIO node?
Yes, it is compatible with standard FIO nests. However, total node power consumption must be within the limits of the installed power supply units.
| 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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