YOKOGAWA PW302 S9884AT-02 Power Supply Module
Configured for continuous DC voltage conversion and field bus energization in CENTUM VP and ProSafe-RS control platforms, the YOKOGAWA PW302 S9884AT-02 (PW302 Power Supply Module) provides direct physical/electrical execution.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW302 S9884AT-02 |
| Brand | YOKOGAWA |
| Origin | Japan / Singapore / China |
| Weight | 0.5 to 0.8 kg |
| Dimensions | 130 x 107.5 x 32.8 mm |
| Operating Temp | -10 deg C to +55 deg C |
| Power Consumption | 300 W max output power capacity |
| Input Voltage | 90 to 264 VAC (50/60 Hz) |
| Output Voltage | 24 VDC regulated |
| Output Current | Up to 5 A standard (up to 10 A continuous configuration options) |
| Efficiency | Up to 88% |
| Ripple & Noise | Less than 2 mV peak-to-peak |
| Voltage Stability | +/-0.01% |
| Transient Response | Less than 50 us |
| Cooling Method | Natural convection (fanless) |
| Redundancy | Dual redundant operation, hot-swappable |
Channel-to-Channel Isolation & Fieldbus Power Conditioning
The module integrates galvanic channel-to-channel isolation and galvanic input-to-output power regulation engineered for noise-sensitive DCS environments. Operating across a regulated loop output, the hardware mitigates ground loops and electrical interference on connected 4-20 mA HART loops and high-density analog I/O racks. Galvanic isolation prevents cross-channel disturbance during field fault conditions, preserving signal integrity across centralized process automation nodes.
Frequently Asked Questions
Q: What are the backplane insertion procedures during hot-swap operations?
A: The module supports live insertion and removal under redundant power configurations. Ensure the locking mechanisms engage fully to maintain continuous backplane bus continuity and prevent transient arcing on the 24 VDC bus lines.
Q: How does the unit maintain power integrity under severe voltage dips?
A: Built-in energy storage capacitors provide hold-up energy during transient brownouts, holding output regulated at 24 VDC within tight stability tolerances (+/-0.01%) for line dips lasting up to standard hold-up thresholds.
Field Installation Guidelines
- Mount the module vertically on standard backplane slots to ensure unrestricted natural convection cooling. Maintain a minimum clear airflow margin above and below the assembly.
- Verify proper grounding protocols by connecting the chassis earth terminal to a low-impedance master ground bus. Ensure shield drain wires for incoming AC power cabling comply with local electrical isolation standards.
- Observe proper screw engagement limits on field power connections. Apply nominal torque to terminal screws to avoid mechanical stress or intermittent contact resistance under vibration.
- When deploying dual-redundant power configurations, verify that both power feed lines originate from independent, fused supply circuits prior to energizing the backplane rack.
What's clients say about us
Excellent Emergency Support!
Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.
Mark Thompson
Maintenance Manager, USAReliable Source for New Spares
Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.
Robert Hoffmann
Engineering Lead, GermanyTop-tier Service and Quality
We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.
Lucas Müller
Operations Director, GermanyRelated Products
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Guide
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