PLC Power Supplies

A programmable logic controller (PLC) is a specialised computer which has been adapted for the control of industrial processes such as robotic devices and assembly lines. PLC power supplies are components of PLCs that convert relatively high input source power into lower regulated voltages required for the internal circuitry in PLCs. 


How do PLC power supplies work?


The PLC power supply gets input power from an external line voltage, which is usually fed through a control relay and filter external to the PLC. The line voltage is stepped-down, filtered, rectified, regulated, status-monitored and voltage and current protected. Some PLC power supplies are embedded with switches for selecting a particular programming mode or protecting the memory.


The resulting low DC voltage output powers the PLCs various modules as well as the PLC's integral battery (which is used for memory back up). Should the input line voltage drop or the PLC power supply fail, the memory contents will not change thanks to the memory backup.


What are PLC power supplies used for?


PLC power supplies are essential components required to run a PLC.


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Omschrijving Prijs Manufacturer Series For Use With Line Voltage User Power Output Voltage Output Current Output Power Length Width Depth Minimum Operating Temperature Maximum Operating Temperature Dimensions
RS-stocknr. 624-1831
FabrikantnummerQ6-BAT
FabrikantMitsubishi
35,75 €
Each
Aantal stuks
Q6-BAT Q Series - - - - - - - - - -
RS-stocknr. 624-1825
FabrikantnummerF2-40BL
FabrikantMitsubishi
67,60 €
Each
Aantal stuks
F2-40BL FX2N Series - - - - - - - - - -
RS-stocknr. 539-0910
FabrikantnummerFX3U-32BL
FabrikantMitsubishi
65,00 €
Each
Aantal stuks
FX3U MELSEC Series - - - - - - - - - -
RS-stocknr. 875-5742
FabrikantnummerFX5-1PSU-5V
FabrikantMitsubishi
165,75 €
Each
Aantal stuks
FX5 FX5U CPU Module, FX5UC CPU Module 100 → 240 V ac 5 V dc, 24 V dc 1.2 A @ 5 V dc, 300 mA @ 24 V dc 20W 50mm 90mm 83mm - - 50 x 90 x 83 mm
RS-stocknr. 455-6664
Fabrikantnummer136371
FabrikantMitsubishi
313,95 €
Each
Aantal stuks
Q63 MELSEC Q Series 24 V dc 5V dc 6 A - 55.2mm 98mm 90mm - - 55.2 x 98 x 90 mm