Product Description
The PW482-51 is a specialized power supply and controller module for the Yokogawa CENTUM VP and CS 3000 Distributed Control Systems (DCS). Unlike general-purpose power units, it is an exclusive component for Field Control Units (FCU), FIO Node Units, and Optical ESB Bus Repeater Units. The module stabilizes system-side logic power while providing clean excitation power to field transmitters and transducers.
Technical Specifications
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Model / Revision: PW482 (PW482-51)
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Primary Input: 220–240 V AC (±10%) at 50/60 Hz
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Power Consumption: Maximum 230 VA
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Output Capacity: Rated for 50 W within the system rack
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Environmental Protection: ISA Standard G3 conformal coating for corrosive atmospheres
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Operating Temperature: -20 °C to 70 °C (G3 variant)
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Wiring Interface: High-torque M4 screw terminals for secure input/output connections
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Weight: 1.0 kg
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Redundancy Support: Dual-redundant configuration when two identical modules are installed in slots P1 and P2
Application & System Role
The PW482-51 functions as the “energy heart” of Yokogawa control nodes:
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Powers internal I/O module circuitry
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Provides external 24 V DC loops for field meters and transducers
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Dual-redundant setup: Modules operate in parallel; if one unit fails, the other instantly carries the full load without disrupting process control or data acquisition
Technical FAQ
Q: Can the PW482 be used as a standalone 24 V power supply for other brands?
A: No. The PW482 uses an exclusive backplane connector designed for Yokogawa FCU and Node units and cannot be used as a generic laboratory or DIN-rail power supply.
Q: What is the difference between the PW481 and PW482?
A: The PW481 is for 100–120 V AC systems, while the PW482 is intended for 220–240 V AC power grids.
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| Condition | 100% New with Original Package |
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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| 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. |
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| 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. |
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