PW301-S4 Yokogawa Power Supply Module

Yokogawa PW301-S4 CENTUM CS Power Supply Module

Yokogawa PW301-S4 CENTUM CS Power Supply Module

Availability: 10 left in stock

Yokogawa PW301-S4 Power Supply Module Configured for stable power distribution in CENTUM CS-series control stations, the Yokogawa PW301-S4 (PW301 Power...

SKU: PW301

Manufacturer: Yokogawa
Product No.: PW301
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 3000g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa PW301-S4 Power Supply Module

Configured for stable power distribution in CENTUM CS-series control stations, the Yokogawa PW301-S4 (PW301 Power Supply Module) provides direct electrical conversion of AC mains into regulated 5 VDC and 24 VDC outputs for backplane electronics and CPU logic.

Suffix Breakdown & Model Matrix

The PW301 utilizes specific suffixes to denote input voltage requirements and configuration. Verify the primary AC input rating before installation to ensure compatibility with local power infrastructure.

Model Suffix	Input Voltage Range	Primary Output
PW301-S4	100-120 VAC / 200-240 VAC	5 VDC @ 20 A / 24 VDC @ 3 A

Hardware Specifications

Parameter	Specification
Model	PW301-S4
Brand	Yokogawa
Origin	Singapore
Weight	3.0 kg to 3.5 kg
Dimensions	280 x 100 x 280 mm
Operating Temp	0 deg C to +55 deg C
Power Consumption	Dependent on system load
Logic Output	5 VDC @ 20 A
Auxiliary Output	24 VDC @ 3 A

DCS Power Regulation and Isolation

The PW301 maintains operational integrity through robust internal regulation circuits. The design implements channel-to-channel isolation to prevent noise propagation from auxiliary 24 VDC loops back into the 5 VDC CPU logic rails. When operating in dual-redundant configurations, the module manages current sharing to ensure seamless transition if a single unit fails. The architecture facilitates cold junction compensation (CJC) stability for connected I/O modules by maintaining precise voltage regulation despite fluctuations in input frequency or line impedance.

Frequently Asked Questions (FAQ)

Q: Does the PW301 support hot-swap replacement?

A: The module is designed for hot-swap operations within a redundant pair, provided the installation rack is equipped with the appropriate backplane connectors that support safe disconnection while the system is energized.

Q: How should I verify the operational health of the power supply?

A: Monitor the front-panel LED indicators. A constant illumination indicates normal voltage output. Flashing indicators suggest an overvoltage, overcurrent, or thermal trip condition; verify the load distribution if a fault is indicated.

Field Installation Guidelines

Ventilation: The PW301 utilizes internal forced-air cooling. Maintain at least 50 mm of clearance above and below the module to prevent thermal throttling of the internal switching components.
AC Input Wiring: Use 14 AWG or 16 AWG stranded copper wire for AC input connections. Ensure terminal screws are tightened to the torque rating specified in the Yokogawa cabinet installation manual to prevent resistive heating.
Grounding: Connect the chassis ground terminal directly to the cabinet protective earth (PE) bus using a low-impedance braided strap. This is mandatory for suppressing common-mode electrical noise and ensuring compliance with electromagnetic compatibility (EMC) standards.
Redundancy Setup: When installing a redundant pair, ensure both modules are connected to independent AC power sources (where available) to prevent common-mode failure of the control station power supply.

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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.

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Maintenance Manager, USA

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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.

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Engineering Lead, Germany

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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.