Product Description
The PW301-S4 is a heavy-duty power regulation module designed for the Yokogawa CENTUM CS 3000 Distributed Control System (DCS). It functions as a primary power source for Field Control Stations, converting incoming power into tightly regulated DC voltages for processor cards and communication backplanes. Emphasizing long-term durability and electrical isolation, the PW301-S4 maintains stable output in environments with high electromagnetic interference, protecting sensitive control logic from power line disturbances.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Identification | PW301-S4 |
| System Compatibility | CENTUM CS 3000 / legacy R3 systems |
| Input Frequency | 50 / 60 Hz |
| Output Regulation | Precision DC logic power distribution |
| Module Type | Standard high-capacity power unit |
| Cooling Method | High-efficiency heat sink (passive) |
| Redundancy Support | Redundant pairing supported |
| Protection Functions | Over-voltage and over-current protection |
| Physical Dimensions (W × H × D) | 27.9 × 10.2 × 27.9 cm |
| Module Weight | 3.3 kg |
Performance Highlights
The PW301-S4 is recognized for its high power density and mechanical robustness, reflected in its 3.3 kg industrial-grade construction. It is frequently deployed in high-density control racks populated with multiple I/O modules and communication processors that demand a stable, high-current power foundation. The “S4” suffix denotes a specific hardware revision optimized for enhanced reliability in continuous-operation environments such as chemical processing plants and power generation facilities, where power disturbances can lead to significant operational risk.
Technical Questions & Answers
Q: Is the PW301-S4 interchangeable with other PW301 variants?
A: The “S4” suffix identifies a specific revision level. While the core functionality is consistent across the PW301 series, backplane compatibility and revision matching should be verified—especially in redundant configurations—to ensure proper load sharing and fault tolerance.
Q: How can module health be verified?
A: The PW301-S4 includes front-panel diagnostic LEDs. A green status indicator confirms that all internal DC rails are operating within nominal voltage limits.
| 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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