Product Overview
The Yokogawa ALF111-S01 is a Foundation Fieldbus (H1) communication module for CENTUM VP and CS 3000 systems. Acting as the Link Active Scheduler (LAS), it coordinates data traffic and ensures reliable communication across the H1 segment. This module enables advanced asset management and digital diagnostics, providing seamless connection between field instruments and the control station. Supplied as 100% Brand New original hardware for maximum network stability.
Technical Specifications
| Specification | Details |
|---|---|
| Protocol | Foundation Fieldbus H1 |
| Functionality | Link Active Scheduler (LAS) |
| Speed | 31.25 kbit/s |
| Device Capacity | Up to 32 devices per segment |
| Redundancy | Dual-redundant (requires two units) |
| Power Supply | 24 VDC ±10% |
| Power Consumption | 4.5 W (Max) |
| Dimensions | 88 mm (W) x 58 mm (H) x 23 mm (D) |
| Weight | 0.34kg |
| Condition | 100% Brand New Original |
Engineering Advantages
-
Optimized Scheduling: Ensures priority for critical control signals, maintaining loop timing integrity.
-
Compact Design: Fits into standard I/O nodes, saving space in crowded cabinets.
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Redundant Operation: Dual-module configuration ensures failover protection.
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Standard Compliance: Plug-and-play with any H1-compliant device.
FAQs
Can the ALF111-S01 power the segment?
No, it handles communication only. An external power supply is needed for field instruments.
What is the max cable length?
Up to 1900 meters (Type A cable), following Foundation Fieldbus guidelines.
How does it handle device failures?
It monitors device status and reports alarms if a device fails while maintaining communication with others.
Is this a brand-new unit?
Yes, it is 100% Brand New with factory-sealed packaging and warranty.
| 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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