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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 (Output Unit)

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

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

          MELSEC-F Input/Output Expansion Block

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

              MELSEC-Q Output Unit

                MELSEC-Q Input Unit (DC Positive Common)

                • On Sale Till 31/03/2025

                CJ Series Output Unit CJ1W-OC / OA / OD

                  iQ-R Series Input/Output Unit

                    MELSEC-Q Series Input/Output Unit

                      MELSEC-Q Series Analog Output Unit

                        MELSEC-Q Series Input Unit (DC Negative Common)

                          MELSEC-Q Analog Input/Output Unit

                            I/O Unit For MELSEC iQ-FX5 Series

                              MELSEC-QS Series CC-Link Safety Input/Output

                                CJ Series Input Unit CJ1W-ID / IA

                                  Programmable Controller CP1L Expansion I/O Unit

                                    Input/Output Unit CS1W

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

                                        C Series C500 CompoNet Slave

                                          MELSEC-Q Series CT Input Unit

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

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

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

                                                  MELSEC-F Series Analog Input/Output

                                                    MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                      MELSEC-Q Series Interrupt Input Unit

                                                        MELSEC-F Series Input/Output Expansion Unit

                                                          MELSEC-F Input Expansion Board / Output Expansion Board

                                                            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 Series Input Unit (DC/AC)

                                                                            MELSEC-Q Series Input Unit (DC Sensor)

                                                                              CJ series high speed counter unit

                                                                                I/O control unit I/O interface unit

                                                                                  Interrupt Input Unit CJ1W-INT01

                                                                                    CJ Series Input/Output Unit CJ1W-MD

                                                                                      CS1D series I/O interface unit

                                                                                        High Speed Counter Unit - CS1W-CT021/041

                                                                                          SYSMAC CJ series   CJ2M pulse I/O block

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                                                                                          Product Series

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

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

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

                                                                                          MELSEC-F Input/Output Expansion Block

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

                                                                                          MELSEC-Q Output Unit

                                                                                          MELSEC-Q Input Unit (DC Positive Common)

                                                                                          CJ Series Output Unit CJ1W-OC / OA / OD

                                                                                          iQ-R Series Input/Output Unit

                                                                                          MELSEC-Q Series Input/Output Unit

                                                                                          MELSEC-Q Series Analog Output Unit

                                                                                          MELSEC-Q Series Input Unit (DC Negative Common)

                                                                                          MELSEC-Q Analog Input/Output Unit

                                                                                          I/O Unit For MELSEC iQ-FX5 Series

                                                                                          MELSEC-QS Series CC-Link Safety Input/Output

                                                                                          CJ Series Input Unit CJ1W-ID / IA

                                                                                          Programmable Controller CP1L Expansion I/O Unit

                                                                                          Input/Output Unit CS1W

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

                                                                                          C Series C500 CompoNet Slave

                                                                                          MELSEC-Q Series CT Input Unit

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

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

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

                                                                                          MELSEC-F Series Analog Input/Output

                                                                                          MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                                                          MELSEC-Q Series Interrupt Input Unit

                                                                                          MELSEC-F Series Input/Output Expansion Unit

                                                                                          MELSEC-F Input Expansion Board / Output Expansion Board

                                                                                          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 Series Input Unit (DC/AC)

                                                                                          MELSEC-Q Series Input Unit (DC Sensor)

                                                                                          CJ series high speed counter unit

                                                                                          I/O control unit I/O interface unit

                                                                                          Interrupt Input Unit CJ1W-INT01

                                                                                          CJ Series Input/Output Unit CJ1W-MD

                                                                                          CS1D series I/O interface unit

                                                                                          High Speed Counter Unit - CS1W-CT021/041

                                                                                          SYSMAC CJ series CJ2M pulse I/O block

                                                                                          Days to Ship 1 Day(s) or more 20 Day(s) or more 20 Day(s) or more 20 Day(s) or more 20 Day(s) or more 20 Day(s) or more 20 Day(s) or more Same day or more 2 Day(s) or more Quote 20 Day(s) or more 20 Day(s) or more Quote 20 Day(s) or more Quote Same day or more Same day or more 4 Day(s) or more Quote 4 Day(s) or more Quote 4 Day(s) or more Quote Quote 20 Day(s) Quote Quote 20 Day(s) or more 91 Day(s) Quote Quote Quote 20 Day(s) or more Quote Quote Quote 91 Day(s) Quote 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 4 Day(s) or more 4 Day(s) or more
                                                                                          Number Of Inputs-4 ~ 16-4 ~ NA8 ~ 32-16 ~ 64-8 ~ NA8 ~ 32-16 ~ 64-4 ~ 8-8 ~ 648 ~ 2416 ~ 961632--16 ~ 322 ~ 16--16NA4 ~ NA--328 ~ 16-2 ~ 8-1616 ~ 64-1 ~ 81616 ~ 32--10
                                                                                          Input Format--------DC input / AC input------DC input / AC inputDC inputDC input / AC input / AC/DC inputAC inputDC input--DC input---------------DC inputDC inputDC inputDC input-DC input-
                                                                                          Rated Input Voltage(V)-DC24V-DC5V ~ NADC5V ~ VAC 100–120-DC5 ~ DC24-DC5 ~ AC100 to 240DC24-DC5 ~ DC24-DC-10~+10-24 ~ 200 to 240-24 ~ 200 to 240100-12012–24 ~ 24--24DC24V--DC24DC24V ~ (Not applicable)DC24V ~ Not availableDC20.4 to 28.8-AC100 to 120 ~ AC200 to 240AC100 to 120 ~ AC 100–240-DC24V-DC48/AC48DC5/DC12-12–24245 ~ 24---
                                                                                          Input answer time--------Less than 10 to 20 mS / Less than 50 to 100 mS---------Less than 50 to 100 mS---Less than 50 to 100 mS----------------------
                                                                                          Number of Outputs8 ~ 324 ~ 162 ~ 80 ~ NA-8 ~ 64-8 ~ 648 ~ NA7 ~ 32---4--8 ~ 328 ~ 963232--16 ~ 32----24 ~ NA2 ~ NA-16 ~ 64---2 ~ 84 ~ 16---1-16 ~ 32--6
                                                                                          Output Format---Relay contact output / Triac output / Transistor / source output / Transistor / sync output / Other-Transistor / sync output-Relay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output / Other----Transistor / sync output--Relay contact output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Transistor / source output / Transistor / sync outputRelay contact output / Transistor / sync output / Other-OtherTriac output / Transistor / source output / Transistor / sync output----Relay contact output / Transistor / source outputOther------------Transistor / source output / Transistor / sync output--Transistor / sync output
                                                                                          Rated load voltage(V)-DC12/24V ~ DC24V/AC240V---DC5 to 12 ~ AC240--DC5 to 24 ~ AC100~240DC 12–24---DC-10~+10 ~ DC5~24----12 ~ 240 AC---12/24 ~ 100 to 240 AC-----------DC12/24V ~ AC250V/DC30VDC12/24V ~ AC250V/DC30V---5-----
                                                                                          Protection function-------Output protection functionNone / Input protection function / Output protection function---------None---None-----------Output protection function----------
                                                                                          Connection Terminal-------Terminal Block / ConnectorTerminal Block / Connector / Europe terminal block----Terminal block/connector-Terminal Block / ConnectorTerminal BlockTerminal Block / ConnectorTerminal BlockTerminal Block--Terminal Block / Connector---------------ConnectorTerminal Block / ConnectorTerminal BlockConnectorConnectorConnectorConnector
                                                                                          Representative StandardCE / ULCE / ULULCE / UL / CULCE / ULCE / ULCE / ULCE / UL / CUL / CSACE / UL / CULCE / ULCE / ULCE / ULCE / ULCE / UL / CULCE / ULCE / UL / CUL / CSACE / UL / CSACE / UL / CUL / CSACE / UL / CUL-CE / UL / CULCE / UL / CUL / CSACE / UL / CUL-CE--CE / UL / CULCECE / ULUL / CULCECE / UL---CE / ULCE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSA

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