YOKOGAWA PW504 Power Supply Module
Configured for high-availability power distribution in CENTUM VP and CENTUM CS 3000 network platforms, the YOKOGAWA PW504 (PW504 Power Supply Unit) provides direct physical and electrical execution of stabilized DC voltage delivery.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | PW504 |
| Brand | YOKOGAWA |
| Origin | Japan |
| Weight | 1.5 kg |
| Dimensions | Not specified |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | 70 W (Max output) |
| Output Voltage | 5.1 VDC (Logic) / 24 VDC (Field) |
| Redundancy | 1:1 Parallel |
Process Control Connectivity and Isolation
The module manages power regulation within the system racks, converting wide-range AC utility input into precise DC levels required by station backplanes. The design incorporates galvanic isolation between the AC utility stage and the DC system bus to mitigate the impact of input power transients on sensitive control logic. By supporting 1:1 dual-redundant configurations, the PW504 enables parallel load sharing and ensures bumpless failover during internal component failure or upstream power loss. Furthermore, the unit features built-in protection circuitry to monitor and suppress overvoltage and overcurrent conditions, maintaining system integrity in industrial environments.
Frequently Asked Questions (FAQ)
Q: Can the PW504 be replaced while the system is powered and operational?
A: Yes, the module supports hot-swapping when deployed in a 1:1 redundant configuration. Operators must verify that the redundant partner has successfully assumed the full system load via the status LEDs before physically removing the primary unit.
Q: How does the unit handle dual-output voltage regulation?
A: The PW504 independently regulates the 5.1 VDC logic rail and the 24 VDC field rail. Internal diagnostic circuitry monitors both output rails; if a voltage deviation or thermal irregularity occurs, the module triggers the front-panel ALARM LED and signals a fault to the control system.
Field Installation Guidelines
- Mounting: Ensure the baseplate is secured to the cabinet rail. Insert the PW504 module into the designated slot, ensuring firm contact with the backplane connector pins. Tighten the retention screws to secure the unit against vibration.
- AC Input Wiring: Terminate the AC input leads according to the system wiring diagram. Use shielded cabling for AC power distribution where required to limit electromagnetic noise emission, and ensure all lines pass through appropriately rated fuses or breakers.
- Redundancy Configuration: When operating in a redundant pair, connect each PW504 to independent AC power feeds. This practice minimizes the risk of a total system shutdown resulting from a single circuit breaker trip or utility power loss.
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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