PS-502-01 Yokogawa Power Supply Board

Yokogawa PS-502-01 PS-502 ProSafe-SLS Power Supply Board

Yokogawa PS-502-01 PS-502 ProSafe-SLS Power Supply Board

Availability: 10 left in stock

Yokogawa PS-502-01 Power Supply Module The Yokogawa PS-502-01, also cataloged as the PS-502 Power Supply Board, operates as a dedicated...

SKU: PS-502-01

Manufacturer: Yokogawa
Product No.: PS-502-01
Product Type: Power Supply Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa PS-502-01 Power Supply Module

The Yokogawa PS-502-01, also cataloged as the PS-502 Power Supply Board, operates as a dedicated hardware component for converting 24 VDC field voltage into 20 VDC regulated logic voltage within ProSafe-SLS safety systems.

Hardware Specifications

Parameter	Specification
Model	PS-502-01
Brand	Yokogawa
Origin	China
Weight	Standard Euro-card weight
Dimensions	Single Euro 6TE (160 x 100 x 30 mm)
Operating Temp	-20 deg C to +70 deg C
Power Consumption	Power Dissipation: 2 W (no load), 9 W (full load)
Input Supply	24 VDC +/-10% (+20% temporary)
Regulated Output	20 VDC +/-1% (adjustable via front trimmer), max 1 A
Unregulated Output	24 VDC (+10%, -5%), max 1 A
Connector Type	DIN 41612 Bauform F, 48 pins
Isolation	Input to output 0.5 kV

Process Control & System Isolation

The power supply module delivers power conversion for process control and DCS instrumentation racks. While providing a 20 VDC regulated rail via front trimmer adjustment, the internal circuitry enforces galvanic isolation up to 0.5 kV between input and output paths. The board integrates crowbar overvoltage protection alongside fold-back short-circuit protection (tripping at roughly 0.35 A) to safeguard downstream logic components, while channel status indicators monitor primary loop health under fluctuating field conditions.

Frequently Asked Questions

Q: How do technicians monitor voltage status on the front panel?

A: Technicians visually inspect two red LEDs on the front panel, which indicate the operational presence of input voltage and regulated output voltage.

Q: What physical current limit applies when drawing power from both output rails simultaneously?

A: The board enforces a maximum combined total output limit of 1 A shared between the 20 VDC regulated and 24 VDC unregulated outputs.

Q: How does the internal electronic protection handle output short-circuit conditions?

A: The onboard fold-back protection limits short-circuit current down to approximately 0.35 A, which prevents thermal stress until field personnel clear the fault.

Field Installation Guidelines

Installers must insert the board into a standard Euro 6TE card cage, aligning the 48-pin DIN 41612 Bauform F connector carefully before pressing the card fully into place. Maintenance crews must verify that the 2 A fast-acting input fuse is intact and ensure field wiring maintains proper grounding to maximize EMC immunity. Field engineers adjust the front trimmer to calibrate the 20 VDC output rail within specified tolerances while ensuring ambient cabinet temperatures remain between -20 deg C and +70 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.