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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.
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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

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

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

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

          MELSEC-F Series Input/Output Expansion Unit

            MELSEC-QS Series CC-Link Safety Input/Output

              iQ-R Series Input/Output Unit

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

                  MELSEC-Q Output Unit

                    MELSEC-F Input/Output Expansion Block

                      MELSEC-Q Input Unit (DC Positive Common)

                      • On Sale Till 31/03/2024

                      CJ Series Output Unit CJ1W-OC / OA / OD

                        MELSEC-Q Series Input/Output Unit

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

                            MELSEC-Q Series Analog Output Unit

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

                                MELSEC-F Series Analog Input/Output

                                  CC-Link IE Field Network, Block Type Remote Unit NZ2GF Series

                                  • On Sale Till 31/03/2024

                                  CJ Series Input Unit CJ1W-ID / IA

                                  • On Sale Till 31/03/2024

                                  Programmable Controller CP1L Expansion I/O Unit

                                    Q173/Q172 Motion Controller Synchronous Encoder Input Unit

                                      MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                        MELSEC-Q Series Input Unit (DC Negative Common)

                                          MELSEC iQ-F Input/Output Expansion Block (Input/Output Unit) FX5

                                            MELSEC-Q Series Large Input Unit (AC)

                                              MELSEC-Q Series Input Unit (DC Sensor)

                                                NX Series Digital Input Unit NX-ID DC Input Unit

                                                  MELSEC-L Series DC Input Unit

                                                    MELSEC-Q Series AC Input Unit

                                                      MELSEC-Q Series Interrupt Input Unit

                                                        CJ Series Input/Output Unit CJ1W-MD

                                                          NX Series Position Interface Pulse Output Unit NX-PG0□□□

                                                            MELSEC-Q Analog Input/Output Unit

                                                              High Speed Counter Unit - CS1W-CT021/041

                                                                Input/Output Unit CS1W

                                                                  I/O Unit For MELSEC iQ-FX5 Series

                                                                  • On Sale Till 31/03/2024

                                                                  Input Module, CPX Series

                                                                    MELSEC-L Series Input/Output Unit

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

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

                                                                          MELSEC-Q Series Input Unit (DC/AC)

                                                                            C Series C500 CompoNet Slave

                                                                              CJ series high speed counter unit

                                                                                I/O control unit I/O interface unit

                                                                                  Interrupt Input Unit CJ1W-INT01

                                                                                    CS1D series I/O interface unit

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                                                                                    Product Series

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

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

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

                                                                                    MELSEC-F Series Input/Output Expansion Unit

                                                                                    MELSEC-QS Series CC-Link Safety Input/Output

                                                                                    iQ-R Series Input/Output Unit

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

                                                                                    MELSEC-Q Output Unit

                                                                                    MELSEC-F Input/Output Expansion Block

                                                                                    MELSEC-Q Input Unit (DC Positive Common)

                                                                                    CJ Series Output Unit CJ1W-OC / OA / OD

                                                                                    MELSEC-Q Series Input/Output Unit

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

                                                                                    MELSEC-Q Series Analog Output Unit

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

                                                                                    MELSEC-F Series Analog Input/Output

                                                                                    CC-Link IE Field Network, Block Type Remote Unit NZ2GF Series

                                                                                    CJ Series Input Unit CJ1W-ID / IA

                                                                                    Programmable Controller CP1L Expansion I/O Unit

                                                                                    Q173/Q172 Motion Controller Synchronous Encoder Input Unit

                                                                                    MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                                                    MELSEC-Q Series Input Unit (DC Negative Common)

                                                                                    MELSEC iQ-F Input/Output Expansion Block (Input/Output Unit) FX5

                                                                                    MELSEC-Q Series Large Input Unit (AC)

                                                                                    MELSEC-Q Series Input Unit (DC Sensor)

                                                                                    NX Series Digital Input Unit NX-ID DC Input Unit

                                                                                    MELSEC-L Series DC Input Unit

                                                                                    MELSEC-Q Series AC Input Unit

                                                                                    MELSEC-Q Series Interrupt Input Unit

                                                                                    CJ Series Input/Output Unit CJ1W-MD

                                                                                    NX Series Position Interface Pulse Output Unit NX-PG0□□□

                                                                                    MELSEC-Q Analog Input/Output Unit

                                                                                    High Speed Counter Unit - CS1W-CT021/041

                                                                                    Input/Output Unit CS1W

                                                                                    I/O Unit For MELSEC iQ-FX5 Series

                                                                                    Input Module, CPX Series

                                                                                    MELSEC-L Series Input/Output Unit

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

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

                                                                                    MELSEC-Q Series Input Unit (DC/AC)

                                                                                    C Series C500 CompoNet Slave

                                                                                    CJ series high speed counter unit

                                                                                    I/O control unit I/O interface unit

                                                                                    Interrupt Input Unit CJ1W-INT01

                                                                                    CS1D series I/O interface unit

                                                                                    Days to Ship 61 Day(s) or more 61 Day(s) or more 1 Day(s) or more 91 Day(s) or more Quote 2 Day(s) or more 61 Day(s) or more 91 Day(s) or more 91 Day(s) or more 91 Day(s) or more Same day or more 91 Day(s) or more Quote 91 Day(s) or more Quote 91 Day(s) Quote Same day or more Same day or more Quote Quote 91 Day(s) or more 91 Day(s) Quote Quote 4 Day(s) or more Quote 91 Day(s) or more Quote 4 Day(s) or more 4 Day(s) or more Quote 4 Day(s) or more 4 Day(s) or more 91 Day(s) 8 Day(s) Quote Quote Quote 91 Day(s) 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more 4 Day(s) or more
                                                                                    Number Of Inputs8 ~ 324 ~ 16-NA-8 ~ NA--4 ~ NA16 ~ 64-8 ~ 32--2 ~ 16-16 ~ 328 ~ 648 ~ 24--16 ~ 64-3216 ~ 644 ~ 16-8 ~ 161616 ~ 32---16 ~ 964 ~ 84 ~ 16-2 ~ 8-1632-1 ~ 816-
                                                                                    Input Format-----DC input / AC input----------DC inputDC input / AC inputDC input---DC input------DC input--DC inputDC input / AC input / AC/DC input------DC inputDC inputDC inputDC input-
                                                                                    Rated Input Voltage(V)DC5V ~ VAC 100–120DC24V-DC24V ~ (Not applicable)-DC5 ~ AC100 to 240--DC5V ~ Not availableDC5 ~ DC24-DC24--DC24V-2424 ~ 200 to 240---DC5 ~ DC24DC13 to 30AC100 to 120 ~ AC200 to 240DC5/DC1212 to 24 ~ 24DC20.4 to 28.8AC100 to 120 ~ AC 100–240DC245 ~ 24---24 ~ 200 to 240DC-10~+1018-30 DC ~ 24 DC-DC24V-DC48/AC4812–24 ~ 24-12–2424-
                                                                                    Input answer time-----Less than 10 to 20 mS / Less than 50 to 100 mS----------Less than 50 to 100 mS----------------------------
                                                                                    Number of Outputs-4 ~ 168 ~ 3224 ~ NA-8 ~ NA2 ~ 88 ~ 640 ~ NA-8 ~ 647 ~ 32----16-8 ~ 32----------16 ~ 32---8 ~ 964-16 ~ 642 ~ 84 ~ 16-32-1--
                                                                                    Output Format---Relay contact output / Transistor / source output-Relay contact output / Triac output / Transistor / source output / Transistor / sync output / Other-Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output / Other-Relay contact output / Triac output / Transistor / source output / Transistor / sync output-Relay contact output / Transistor / source output / Transistor / sync output---Triac output / Transistor / source output / Transistor / sync output-Relay contact output / Transistor / source output / Transistor / sync output---Transistor / source output / Transistor / sync output------Transistor / source output / Transistor / sync outputOther--Relay contact output / Triac output / Transistor / source output / Transistor / sync outputTransistor / sync output-----Relay contact output / Transistor / sync output / Other----
                                                                                    Rated load voltage(V)-DC12/24V ~ DC24V/AC240V---DC5 to 24 ~ AC100~240-DC5 to 12 ~ AC240---DC 12–2412 ~ 240 AC---12/24 ~ 100 to 240 AC-----------------DC-10~+10 ~ DC5~24--DC12/24V ~ AC250V/DC30VDC12/24V ~ AC250V/DC30V---5--
                                                                                    Protection function-----None / Input protection function / Output protection function----Output protection function-None---None--------------------Output protection function-------
                                                                                    Connection Terminal-----Terminal Block / Connector / Europe terminal block----Terminal Block / Connector-Terminal Block---Terminal BlockTerminal Block / ConnectorTerminal Block---Terminal Block------Connector--ConnectorTerminal Block / ConnectorTerminal block/connector-----Terminal BlockConnectorTerminal Block / ConnectorTerminal BlockConnector
                                                                                    Representative StandardCE / ULCE / ULCE / ULCE / UL / CULCE / ULCE / UL / CULULCE / ULCE / UL / CULCE / ULCE / UL / CUL / CSACE / ULCE / UL / CULCE / UL-CECE / UL / CULCE / UL / CUL / CSACE / UL / CSA--CE / ULCE / UL / CULCECE / ULCE / UL / CUL / CSACE / ULCE / UL-CE / UL / CUL / CSACE / UL / CUL / CSACE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL-UL / CUL--CE / UL-CE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSA

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