PW502-S1 Yokogawa Power Supply Module

Power Supply Module Yokogawa PW502-S1 CENTUM VP

Power Supply Module Yokogawa PW502-S1 CENTUM VP

Availability: 20 left in stock

Yokogawa PW502-S1 CENTUM VP Power Supply Module The Yokogawa PW502-S1, also cataloged as the PW502 Power Supply Module, operates as...

SKU: PW502 S1

Manufacturer: Yokogawa
Product No.: PW502 S1
Product Type: Distributed Control System Power Supplies
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 400g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa PW502-S1 CENTUM VP Power Supply Module

The Yokogawa PW502-S1, also cataloged as the PW502 Power Supply Module, operates as a dedicated hardware component for regulated DC power distribution within CENTUM VP Field Control Unit racks.

Suffix Breakdown & Model Matrix

Suffix Code	Option Code	Description / Specification Detail
-S1	--	Standard reliability and environmental compliance variant
FAW05-5R0	--	Internal power conversion sub-assembly designation

Hardware Specifications

Parameter	Specification
Model	PW502-S1
Brand	Yokogawa
Origin	Taiwan / Japan
Weight	0.4 kg
Dimensions	120 mm x 25 mm x 130 mm
Operating Temp	0 deg C to +55 deg C
Power Consumption	~100 W power output capacity
Input Voltage	100 to 240 VAC (50/60 Hz)
Output Voltage	5 VDC regulated output
Output Current	Up to 20 A
Redundancy	Dual-redundant parallel operation supported
Electrical Isolation	Reinforced isolation between AC input and DC output
Operating Humidity	10 to 95% RH (non-condensing)
Environmental Compliance	ISA-71.04 Class G3, CE, UL Compliant

Channel Isolation & HART Subsystem Protection

The module features reinforced galvanic isolation between the 100-240 VAC power input terminals and low-voltage 5 VDC system logic rails. This isolation architecture blocks AC line transients, voltage surges, and ground potential shifts from penetrating internal backplane communication lines. By delivering ripple-free power to connected Field Control Units and I/O cards, the unit preserves signal conversion precision across 4-20 mA HART loop protocol instruments and maintains stability across channel-to-channel isolated analog modules.

Frequently Asked Questions

Q: Can the PW502-S1 module be replaced while the Field Control Unit chassis remains energized?

A: Yes. Hot-swap replacement is fully supported when installed in a dual-redundant power configuration. When one PW502-S1 module is disengaged from the chassis rack, the secondary redundant module immediately accepts the full electrical current load without inducing voltage sags or system resets.

Q: What protection features safeguard the internal circuitry against field power faults?

A: The module integrates internal overcurrent and short-circuit protection alongside reinforced galvanic isolation between input and output stages. These protection layers prevent external power anomalies from damaging delicate microprocessor cores on adjacent backplane cards.

Field Installation Guidelines

Backplane Connector Verification: Inspect the targeted power supply slot on the Field Control Unit chassis to ensure guide tracks and pin receptacles are clear of debris or bent connectors before sliding the PW502-S1 into position.
Equipotential Cabinet Grounding: Connect the field enclosure rack frame to functional earth (FE) using a dedicated low-impedance copper cable with a minimum cross-sectional gauge of 5.5 mm2. Maintain overall ground path resistance under 1 ohm to ensure transient voltage suppression.
Power Wiring Separation: Route incoming 100-240 VAC supply conductors in cable ducts separated from low-voltage DC signals, ESB/ER bus cables, and network lines. Maintain a minimum clearance distance of 200 mm to suppress electromagnetic interference.
Thermal Convection Maintenance: Ensure top and bottom chassis ventilation louvers remain unobstructed. Install protective blank covers over all empty rack slots to maintain proper convection airflow patterns and keep internal operating temperatures strictly between 0 deg C and +55 deg C.

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, USA

Reliable 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, Germany

Top-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.