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MELSEC-F Series Expansion Power Supply Unit Expansion Device Option (Part Numbers)

MELSEC-F Series Expansion Power Supply Unit Expansion Device Option

Option training, F series, option for expansion equipment

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Part Number

Configured Part Number is shown.

FX3U-1PSU-5V Expanded Power Supply Unit Features

FX3U-1PSU-5V

FX3U-1PSU-5V

Use this unit if not enough internal power capacity is available to supply power to the output expansion blocks or special expansion blocks added to an FX3G or FX3U sequencer (AC power type).
Use this unit if not enough internal power supply is available when the FX3 intelligent function unit is connected to an FX5U CPU unit.

FX5U CPU unit: Up to 2 units (FX5-1PSU-5V, FX3U-1PSU-5V) can be connected.
FX3G sequencer: Only 1 FX3U-1PSU-5V unit can be connected per system.
FX3U sequencer: Up to 2 FX3U-1PSU-5V units can be connected per system.

"Connecting to an FX5U CPU unit"
Connecting to an FX5U CPU unit requires FX5-CNV-BUS or FX5-CNV-BUSC. Select either one according to the system configuration.

Expanded Power Supply Unit FX3U-1PSU-5V Power Supply Specifications

Power Supply Voltage100 to 240 V AC
Power Supply Voltage Tolerance Range85 to 264 V AC
Rated Frequency50/60 Hz
Allowable Momentary Power Outage DurationThe following applies depending on the power supply used.
· 100 V AC power supply: Operation continues after a momentary power outage of 10 ms or less.
· 200 V AC power supply: Operation continues after a momentary power outage of 100 ms or less.
Inrush CurrentMaximum 30 A for 5 ms or less / 100 V AC
Maximum 65 A for 5 ms or less / 200 V AC
Power ConsumptionMaximum 20 W
Output Current (For Internal Supply)24 V DC: 0.3 A
5 V DC: 1 A

The output current changes as shown in the derating graph below depending on the ambient operating temperature.
Use the system within the output current range according to this derating graph.

Output Current Range

Output Current Range

FX3UC-1PS-5V Expanded Power Supply Unit Features

FX3UC-1PS-5V

FX3UC-1PS-5V

Use this unit if not enough internal power is available to be supplied to the expansion blocks and special blocks/units used with an FX3GC or FX3UC basic unit.
It can also be used as a conversion adapter when connecting an FX2N I/O expansion block or FX2N/FX3U special expansion block to an FX3GC, or connecting an FX0N/FX2N I/O expansion block or FX0N/FX2N/FX3U special block/unit to an FX3UC.

Expanded Power Supply Unit FX3UC-1PS-5V Power Supply Specifications

Power Supply Voltage24 V DC, +20%, -15%
Power Supply Fuse125 V AC, 3.15 A
Inrush CurrentMaximum 30 A, 0.5 ms / 24 V DC
Output CurrentMaximum 1 A, 5 V DC
Power ConsumptionMaximum 25 W
Allowable Momentary Power Outage DurationOperation continues after a momentary power outage of 5 ms or less
Part Number
FX3U-1PSU-5V
FX3UC-1PS-5V
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipApplication Applicable Series other specifications

SGD 157.20

1 Piece(s) 91 Day(s) For Additional Power when Expanded Power Supplies (5 VDC) are InsufficientFX3G / FX3UUse when the internal power supply capacity for the FX3U sequencer (AC type) special expansion block or output expansion block is insufficient. Up to two FX3U-1PSU-5V can be connected in one system.

SGD 140.30

1 Piece(s) 91 Day(s) For Connecting Terminal Type Expansion Equipment to FX3UC Sequencers, For Additional Power when Expanded Power Supplies (5 VDC) are InsufficientFX3UCAn FX3UC base unit that is used when the internal power supply for the expansion block, special block/unit is insufficient. Can also be used as a conversion adapter when connecting FX0N/FX2N special blocks/units or FX0N/FX2N input/output expansion blocks to the FX3UC.

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Basic Information

Type Expanded Power Supply Unit

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