Overview
The SPW481-13 from Yokogawa provides reliable power distribution for Field Control Units and Node Units. It accepts 100–120 V AC, 220–240 V AC, or 24 V DC main sources, and supplies insulated +5 V and +24 V outputs. Consequently, this module ensures stable operation of all installed I/O modules via the backplane. Moreover, it supports dual-redundant insulated output operation, enhancing system reliability.
Key Features
- Supplies insulated +5 V and +24 V outputs to installed I/O modules.
- Accepts multiple main sources: 100–120 V AC, 220–240 V AC, or 24 V DC.
- Supports dual-redundant insulated output operation for improved reliability.
- Compatible with Yokogawa safety control units and safety node units.
- Compact and lightweight design allows easy installation in control cabinets.
Model and Replacement Information
| Model | Description | Recommended Replacement Cycle | Replacement by User |
|---|---|---|---|
| SPW481 | Power Supply Module (100–120 V AC) | 8 years | Yes |
| Optical Bus Repeater Module | SNT10D | — | — |
| SPW481 for Repeater Module | 2 pcs | 8 years | Yes |
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Yokogawa |
| Part Number | SPW481-13 |
| Input Voltage | 100–120 V AC, 220–240 V AC, or 24 V DC |
| Output Voltage | +5 V and +24 V insulated |
| Redundancy | Dual-redundant outputs supported |
| Installation | Backplane connection in Field Control or Node Units |
| Weight | Approx. 0.7–1.2 kg |
| Operating Temperature | 0°C to +55°C |
| Replacement Cycle | 8 years (recommended) |
Applications and Usage
The SPW481-13 module powers all Yokogawa I/O modules installed on the backplane. Furthermore, its dual-redundant design ensures continuous operation in critical control processes. Periodic maintenance and replacement of the module prevent system failures, especially in safety-critical applications.
Packaging and Shipping
The module ships individually, reducing handling risks. Additionally, its compact size simplifies storage and installation in control panels. Consequently, engineers can maintain reliable power distribution efficiently.
Details
| Weight | 3.2 kg |
|---|
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