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PLC (Input/Output Units)

PLCs (Input/Output Units), formally called "programmable logic controllers," are components used as an interface between devices and sequencers. They work by controlling the on/off switching of the output device using a preset program that operates in response to the on/off switching of switches and sensors. They were initially developed as an alternative to relay circuits and are used in controls for boilers, pumps, automated machinery that operate inside factories, and more. PLCs are broadly divided into 2 types, modular type and packaged type. Modular types require input components and standalone units to be combined and allow for more freedom of customization. Packaged types are totally pre-assembled to offer an inexpensive installation solution.
Days to Ship
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  • 60 Day(s) or Less
  • 65 Day(s) or Less
  • 79 Day(s) or Less
  • 82 Day(s) or Less
  • 90 Day(s) or Less
Brand
Product Series
Days to Ship
Number Of Inputs
Input Format
Rated Input Voltage(V)
Input answer time
Number of Outputs
Output Format
Rated load voltage(V)
Protection function
Connection Terminal
Representative Standard

    CJ Series Output Unit CJ1W-OC / OA / OD

    • On Sale Till 30/06/2026

    CC-Link IE Field Network Basic, Block Type Remote Unit

    • On Sale Till 30/06/2026

    MELSEC-F Input/Output Expansion Block

      CJ Series Input Unit CJ1W-ID / IA

        Programmable Controller CP1L Expansion I/O Unit

        • On Sale Till 30/06/2026

        MELSEC CC-Link Small-Size Type Remote I/O Unit (Input Unit)

        • On Sale Till 30/06/2026

        iQ-R Series input/output unit

        • On Sale Till 30/06/2026

        MELSEC-Q Series Input/Output Unit

          I/O control unit I/O interface unit

            CJ Series Input/Output Unit CJ1W-MD

              CS1D series I/O interface unit

                Input/Output Unit CS1W

                • On Sale Till 30/06/2026

                MELSEC-F Series Input/Output Expansion Unit

                • On Sale Till 30/06/2026

                MELSEC iQ-F series spring clamp terminal block type I/O unit

                • On Sale Till 30/06/2026

                CC-Link IE Field Network Remote I/O Unit With Safety Function

                • On Sale Till 30/06/2026

                MELSEC CC-Link compact type remote I/O unit (input/output unit)

                • On Sale Till 30/06/2026

                MELSEC CC-Link Small-Size Type Remote I/O Unit (Output Unit)

                  CC-Link/LT Input/Output Unit (Input)

                  • On Sale Till 30/06/2026

                  CC-Link Digital/Analog Conversion Unit Screw Terminal Block Type

                  • On Sale Till 30/06/2026

                  MELSEC-F Series Analog Input/Output

                  • On Sale Till 30/06/2026

                  MELSEC-L Series DC Input Unit

                  • On Sale Till 30/06/2026

                  MELSEC-L Series Input/Output Unit

                  • On Sale Till 30/06/2026

                  MELSEC-Q Series Large Input Unit (AC)

                  • On Sale Till 30/06/2026

                  MELSEC-Q Series AC Input Unit

                  • On Sale Till 30/06/2026

                  Q173/Q172 Motion Controller Synchronous Encoder Input Unit

                    CC-Link/LT Input/Output Unit (Input/Output)

                      CC-Link/LT Input/Output Unit (Output)

                      • On Sale Till 30/06/2026

                      MELSEC-Q Analog Input/Output Unit

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Analog Output Unit

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Input Unit (DC/AC)

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Input Unit (DC Sensor)

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Interrupt Input Unit

                      • On Sale Till 30/06/2026

                      MELSEC-Q Input Unit (DC Positive Common)

                      • On Sale Till 30/06/2026

                      MELSEC-Q Series Input Unit (DC Negative Common)

                      • On Sale Till 30/06/2026

                      MELSEC-Q Output Unit

                        MELSEC-QS Series CC-Link Safety Input/Output

                          CJ series high speed counter unit

                            Interrupt Input Unit CJ1W-INT01

                              SYSMAC CJ series   CJ2M pulse I/O block

                                CC-Link Input/Output Unit

                                • On Sale Till 30/06/2026

                                L Series DC Input / Transistor Output Combined Unit

                                • On Sale Till 30/06/2026

                                L Series Output Unit

                                • On Sale Till 30/06/2026

                                L Series Input Unit

                                • On Sale Till 30/06/2026

                                L Series Multi-Input Unit

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                                Product Series

                                CJ Series Output Unit CJ1W-OC / OA / OD

                                CC-Link IE Field Network Basic, Block Type Remote Unit

                                MELSEC-F Input/Output Expansion Block

                                CJ Series Input Unit CJ1W-ID / IA

                                Programmable Controller CP1L Expansion I/O Unit

                                MELSEC CC-Link Small-Size Type Remote I/O Unit (Input Unit)

                                iQ-R Series input/output unit

                                MELSEC-Q Series Input/Output Unit

                                I/O control unit I/O interface unit

                                CJ Series Input/Output Unit CJ1W-MD

                                CS1D series I/O interface unit

                                Input/Output Unit CS1W

                                MELSEC-F Series Input/Output Expansion Unit

                                MELSEC iQ-F series spring clamp terminal block type I/O unit

                                CC-Link IE Field Network Remote I/O Unit With Safety Function

                                MELSEC CC-Link compact type remote I/O unit (input/output unit)

                                MELSEC CC-Link Small-Size Type Remote I/O Unit (Output Unit)

                                CC-Link/LT Input/Output Unit (Input)

                                CC-Link Digital/Analog Conversion Unit Screw Terminal Block Type

                                MELSEC-F Series Analog Input/Output

                                MELSEC-L Series DC Input Unit

                                MELSEC-L Series Input/Output Unit

                                MELSEC-Q Series Large Input Unit (AC)

                                MELSEC-Q Series AC Input Unit

                                Q173/Q172 Motion Controller Synchronous Encoder Input Unit

                                CC-Link/LT Input/Output Unit (Input/Output)

                                CC-Link/LT Input/Output Unit (Output)

                                MELSEC-Q Analog Input/Output Unit

                                MELSEC-Q Series Analog Output Unit

                                MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                MELSEC-Q Series Input Unit (DC/AC)

                                MELSEC-Q Series Input Unit (DC Sensor)

                                MELSEC-Q Series Interrupt Input Unit

                                MELSEC-Q Input Unit (DC Positive Common)

                                MELSEC-Q Series Input Unit (DC Negative Common)

                                MELSEC-Q Output Unit

                                MELSEC-QS Series CC-Link Safety Input/Output

                                CJ series high speed counter unit

                                Interrupt Input Unit CJ1W-INT01

                                SYSMAC CJ series CJ2M pulse I/O block

                                CC-Link Input/Output Unit

                                L Series DC Input / Transistor Output Combined Unit

                                L Series Output Unit

                                L Series Input Unit

                                L Series Multi-Input Unit

                                Days to Ship 2 Day(s) or more 97 Day(s) or more 4 Day(s) or more 2 Day(s) or more 2 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 4 Day(s) or more 97 Day(s) 97 Day(s) or more 4 Day(s) or more 4 Day(s) or more Quote 4 Day(s) or more 97 Day(s) 97 Day(s) 97 Day(s) 97 Day(s) 4 Day(s) or more 97 Day(s) Quote Quote 4 Day(s) 4 Day(s) or more 97 Day(s) 79 Day(s) 79 Day(s) 79 Day(s) 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more Quote 5 Day(s) or more 5 Day(s) or more 5 Day(s) or more 60 Day(s) or more 97 Day(s) 97 Day(s) or more 97 Day(s) or more 97 Day(s)
                                Number Of Inputs-16 ~ 324 ~ NA8 ~ 648 ~ 248 ~ 328 ~ NA8 ~ 321 ~ 816 ~ 32-16 ~ 96NA16 ~ NA4 (for double wiring) ~ 32 (single wire)4 ~ 16-2 ~ 16----328 ~ 16-2 ~ 8----1616 ~ 641616 ~ 6416 ~ 64---1610--NA--
                                Input Format-DC input / AC input-AC inputDC input-DC input / AC input-DC input--DC input / AC input / AC/DC input-DC inputDC inputDC input / AC input-----------------------------
                                Rated Input Voltage(V)-DC24 ~ 100-120DC5V ~ NA24 ~ 200 to 240-DC5V ~ VAC 100–120DC5 ~ AC100 to 240DC2412–245 ~ 24-24 ~ 200 to 240DC24V ~ (Not applicable)DC5/2424DC24V ~ AC100/120V-DC24V--DC20.4 to 28.8-AC100 to 120 ~ AC200 to 240AC100 to 120 ~ AC 100–240-DC24V----DC48/AC48DC5/DC12DC24DC5 ~ DC24DC5 ~ DC24---24--DC24V(Not applicable) ~ Not availableAC100 to 120V ~ AC100 to 240V-
                                Input answer time-Less than 50 to 100 mS----Less than 10 to 20 mS / Less than 50 to 100 mS------Less than 1 mS / Less than 10 to 20 mS-Less than 1 mS / Less than 1 to 10 mS / Less than 20 to 50 mS-----------------------------
                                Number of Outputs8 ~ 6416 ~ 320 ~ NA-8 ~ 32-8 ~ NA7 ~ 32116 ~ 32-8 ~ 9624 ~ NA16 ~ NA2 (for double wiring) ~ 8 (for single wiring), 4 (for double wiring)4 ~ 328 ~ 32-2 ~ 8--16 ~ 64---2 ~ 84 ~ 16--------8 ~ 64---6--8 ~ 16NA-
                                Output FormatRelay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output / Other-Relay contact output / Transistor / source output / Transistor / sync output-Relay contact output / Triac output / Transistor / source output / Transistor / sync output / Other--Transistor / source output / Transistor / sync output-Relay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Transistor / source outputRelay contact output / Transistor / source output / Transistor / sync outputTransistor / source output / OtherRelay contact output / Transistor / source output / Transistor / sync output-------------------Triac output / Transistor / source output / Transistor / sync output / Other---Transistor / sync output-Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output--
                                Rated load voltage(V)-12 ~ 240 AC----DC5 to 24 ~ AC100~240DC 12–245-----24DC12/24V ~ DC24V/AC240V---------DC12/24V ~ AC250V/DC30VDC12/24V ~ AC250V/DC30V--------DC5 to 12 ~ AC240---------
                                Protection functionOutput protection functionNone----None / Input protection function / Output protection function------NoneInput protection function / Output protection functionNone / Output protection function---------Output protection function-------------------
                                Connection TerminalTerminal Block / ConnectorTerminal Block--Terminal Block-Terminal Block / Connector / Europe terminal block-Terminal Block / Connector--Terminal Block / Connector-Europe terminal blockTerminal Block / ConnectorTerminal Block / Connector / Europe terminal block-----------------------------
                                Representative StandardCE / UL / CUL / CSACE / UL / CULCE / UL / CULCE / UL / CUL / CSACE / UL / CSACE / UL / CULCE / UL / CULCE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CULCE / UL / CUL / Other-CE / UL / CULCE / UL-ULCECE / ULUL / CULCECE / UL---CE / ULCE / UL-CE / ULCE / UL-CE / ULCE / ULCE / ULCE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSAUL / CUL---CE / UL / CUL

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