Product Core Brief

• Model: F3PU06-0N
• Brand: YOKOGAWA
• Series: FA-M3 Range-free Controller
• Core Function: 24 V DC power supply module that delivers backplane and I/O power for FA-M3 PLC racks.
• Product Type: PLC Power Supply Module
• Key Specs: 24 V DC output | 6 A rated current | 144 W output power
• Condition: New Original / New Surplus

 

Key Technical Specifications

• Product type: DC power supply module for FA-M3 PLC
• Series compatibility: FA-M3 range-free controller
• Rated output voltage: 24 V DC
• Rated output current: 6 A
• Rated output power: 144 W
• Conversion efficiency: ≥ 90%
• Input voltage range: 100 to 240 V AC
• Operating temperature: -10°C to +55°C
• Output accuracy: ±0.5%
• Dimensions: Approx. 120 × 70 × 30 mm
• Weight: Approx. 0.5 kg
• Application: Backplane and I/O power supply for FA-M3 base units and expansion racks

Product Introduction

The F3PU06-0N is a 24 V DC power supply module for the YOKOGAWA FA-M3 range-free PLC platform. It converts 100–240 V AC input into a regulated 24 V DC output rated at 6 A, supplying power to the backplane bus and mounted I/O modules. This makes it a common fit for FA-M3 racks that require a dedicated DC supply rather than an AC-input base assembly.

From a maintenance perspective, this module is one of the first components to check when a rack loses power or trips intermittently. A verified replacement reduces downtime because power faults are often misdiagnosed as CPU or I/O failures. Keeping a tested unit on hand is especially useful for legacy FA-M3 stations where original spares are no longer easy to source.

 

QA & Testing SOP

Power supply modules are treated as critical spares. Each unit goes through the following checks before release:

1. Visual and label inspection: Confirm the model plate reads F3PU06-0N and check for housing damage, burned marks, or loose terminals.
2. Terminal and connector check: Input and output terminals are inspected for corrosion, stripped threads, or overheating discoloration.
3. Insulation and short-circuit check: Input-to-output and output-to-ground paths are checked to rule out internal shorts.
4. Load-bank power test: The module is energized at rated AC voltage and loaded to confirm stable 24 V DC output at up to 6 A.
5. Ripple and regulation check: Output voltage stability and ripple are measured under load to confirm clean DC delivery.
6. ESD-safe packaging: The unit is packed in anti-static material with terminal protection for transit.

Note: Full system validation requires a compatible FA-M3 base and CPU. If a rack-level test is required, confirm the base model and module configuration before dispatch.

 

Installation Pitfalls & Guide

❗ Do not confuse F3PU06-0N with AC-input base modules. The F3PU06-0N is a 24 V DC power supply. It is not the same as F3PU10-0N, which is an AC-input supply integrated into certain FA-M3 base units.

❗ Verify the 24 V DC load budget. The module is rated at 6 A / 144 W. Adding too many I/O cards or communication modules can push the rack beyond the supply’s capacity and cause unstable operation.

❗ Check grounding and input wiring. Loose AC input terminals or poor protective earth can cause intermittent resets, noise issues, or premature failure.

❗ Do not hot-swap unless the system design explicitly allows it. Power supplies should be replaced with the rack de-energized unless the site procedure confirms safe live replacement.

Replacement steps:

1. Pre-install: Record the original wiring, confirm the model suffix, and back up the CPU program.
2. Removal: De-energize the rack, label all power wires, and disconnect input/output terminals.
3. Install: Seat the module firmly, reconnect terminals, and verify grounding and polarity.
4. Power-on test: Restore AC power, measure the 24 V DC output, confirm rack power-up, and verify CPU and I/O status.

 

Technical FAQ

Is the F3PU06-0N a direct replacement for my existing FA-M3 power supply?
It is a direct replacement only if the original unit is also an F3PU06-0N or a compatible 24 V DC FA-M3 power supply with the same electrical ratings. Always match the model number and confirm the base unit compatibility before installation.

Can I use F3PU06-0N in place of F3PU10-0N?
No. F3PU10-0N is an AC-input power supply integrated into certain FA-M3 base modules, while F3PU06-0N is a 24 V DC supply. They are not interchangeable without checking the base unit type and system power architecture.

What happens if my rack draws more than 6 A?
The supply may overheat, drop voltage, or trip into protection. Before installing additional I/O or communication modules, calculate the total backplane and module current draw and keep it within the 144 W rating.

Is this module still available as new stock?
The FA-M3 platform is a mature product line. New-original and surplus stock are commonly available through industrial spare channels, but availability varies by region and batch. Confirm stock condition and warranty terms before ordering.

Do you offer warranty on surplus units?
Surplus and new-original modules are typically covered by a limited functional warranty. Exact terms depend on stock source, so confirm warranty length and return conditions before purchase.