PLC I/O 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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Representative Standard

    CC-Link Remote I/O Unit, DC input, Terminal Block

      CC-Link Remote I/O Unit (DC input / contact output) Terminal Block

        Programmable Controller CP1L Expansion I/O Unit

          MELSEC-F Input/Output Expansion Block

            MELSEC-Q Output Unit

              MELSEC iQ-FX5 Series Input/Output Unit

                CC-Link Small Remote I/O Unit (transistor output) Terminal Block

                  iQ-R Series Input/Output Unit

                    NX Series Digital Input Unit NX-ID DC Input Unit

                      CC-Link/LT I/O Unit (Inputs)

                        MELSEC-Q Series I/O Unit

                          SYSMAC CJ series   CJ2M pulse I/O block

                            Modbus I/O Module, Digital Input Module

                              MELSEC-F Series Input/Output Expansion Unit

                                MELSEC iQ-F Series I/O Unit, Spring Clamp Terminal Block

                                  MELSEC-Q series analog input/output unit

                                    MELSEC-Q Series Analog Output Unit

                                      MELSEC-Q Series Input Unit (DC minus common)

                                        MELSEC-L Series Input Unit

                                          MELSEC-Q series input unit (DC plus common)

                                            CJ series high speed counter unit

                                              CJ Series Output Unit CJ1W-OC / OA / OD

                                                Input/Output Unit CS1W

                                                  L Series Output Unit

                                                    MELSEC-F Series Input Expansion Board

                                                      NX Series Digital Input/Output Combined Unit NX-MD DC Input / Transistor Output Unit

                                                        CC-Link Digital-to-Analog Conversion Unit, Screw Terminal Block Type

                                                          CC-Link/LT I/O Unit (Output)

                                                            MELSEC-QS Series CC-Link Safety Input/Output

                                                              I/O control unit I/O interface unit

                                                                CJ Series Input/Output Unit CJ1W-MD

                                                                  CS1D series I/O interface unit

                                                                    L Series Input Unit

                                                                      Incremental Encoder Input Unit - NX Series, NX-EC0***

                                                                        NX Series Safety I/O Unit NX-SI / SO

                                                                          MELSEC-F series analog input/output

                                                                            MELSEC-L Series Output Unit

                                                                              MELSEC-Q series large input unit (AC)

                                                                                MELSEC-Q Series Input Unit (AC)

                                                                                  CC-Link/LT I/O Unit (I/O)

                                                                                    MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                                                      MELSEC-Q Series Input Unit (DC sensor)

                                                                                        MELSEC-Q Series Interrupt Input Unit

                                                                                          C Series C500 CompoNet Slave

                                                                                            CJ Series Input Unit CJ1W-ID / IA

                                                                                            Brand

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            Watanabe Electric Industry

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            OMRON

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            OMRON

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            OMRON

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            Mitsubishi Electric Automation

                                                                                            OMRON

                                                                                            OMRON

                                                                                            Product Series

                                                                                            CC-Link Remote I/O Unit, DC input, Terminal Block

                                                                                            CC-Link Remote I/O Unit (DC input / contact output) Terminal Block

                                                                                            Programmable Controller CP1L Expansion I/O Unit

                                                                                            MELSEC-F Input/Output Expansion Block

                                                                                            MELSEC-Q Output Unit

                                                                                            MELSEC iQ-FX5 Series Input/Output Unit

                                                                                            CC-Link Small Remote I/O Unit (transistor output) Terminal Block

                                                                                            iQ-R Series Input/Output Unit

                                                                                            NX Series Digital Input Unit NX-ID DC Input Unit

                                                                                            CC-Link/LT I/O Unit (Inputs)

                                                                                            MELSEC-Q Series I/O Unit

                                                                                            SYSMAC CJ series CJ2M pulse I/O block

                                                                                            Modbus I/O Module, Digital Input Module

                                                                                            MELSEC-F Series Input/Output Expansion Unit

                                                                                            MELSEC iQ-F Series I/O Unit, Spring Clamp Terminal Block

                                                                                            MELSEC-Q series analog input/output unit

                                                                                            MELSEC-Q Series Analog Output Unit

                                                                                            MELSEC-Q Series Input Unit (DC minus common)

                                                                                            MELSEC-L Series Input Unit

                                                                                            MELSEC-Q series input unit (DC plus common)

                                                                                            CJ series high speed counter unit

                                                                                            CJ Series Output Unit CJ1W-OC / OA / OD

                                                                                            Input/Output Unit CS1W

                                                                                            L Series Output Unit

                                                                                            MELSEC-F Series Input Expansion Board

                                                                                            NX Series Digital Input/Output Combined Unit NX-MD DC Input / Transistor Output Unit

                                                                                            CC-Link Digital-to-Analog Conversion Unit, Screw Terminal Block Type

                                                                                            CC-Link/LT I/O Unit (Output)

                                                                                            MELSEC-QS Series CC-Link Safety Input/Output

                                                                                            I/O control unit I/O interface unit

                                                                                            CJ Series Input/Output Unit CJ1W-MD

                                                                                            CS1D series I/O interface unit

                                                                                            L Series Input Unit

                                                                                            Incremental Encoder Input Unit - NX Series, NX-EC0***

                                                                                            NX Series Safety I/O Unit NX-SI / SO

                                                                                            MELSEC-F series analog input/output

                                                                                            MELSEC-L Series Output Unit

                                                                                            MELSEC-Q series large input unit (AC)

                                                                                            MELSEC-Q Series Input Unit (AC)

                                                                                            CC-Link/LT I/O Unit (I/O)

                                                                                            MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                                                            MELSEC-Q Series Input Unit (DC sensor)

                                                                                            MELSEC-Q Series Interrupt Input Unit

                                                                                            C Series C500 CompoNet Slave

                                                                                            CJ Series Input Unit CJ1W-ID / IA

                                                                                            CAD
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                                                                                            Number of Inputs--8 ~ 248 ~ NA-4 ~ 8-8 ~ NA4 ~ 162 ~ 16-1016NA--------16 ~ 96NANA16---1 ~ 816 ~ 32--------4--16328 ~ 64
                                                                                            Input Format--DC input----DC input / AC inputDC input---DC input-DC input-----DC input-DC input / AC input / AC/DC input--DC input---DC inputDC input--Other---------DC inputDC input / AC input
                                                                                            Rated Input Voltage(V)AC100 to 120V--DC24V ~ NA--10 to +10 DC-DC5 ~ AC100 to 24012 to 24 ~ 24DC24V--DC24VDC24V ~ (Not applicable)DC5/24---20.4 to 28.8 DCDC5--24 ~ 200 to 240(Not applicable)DC24V ~ (Not applicable)24---12 to 245 ~ 24-AC100 to 120V-DC24----DC24V-5 DC / 12 DCDC2412 to 24 ~ 2424 ~ 200 to 240
                                                                                            Input Answer Time-------Less than 10 to 20 mS / Less than 50 to 100 mS------Less than 1 mS / Less than 10 to 20 mS------------------------------
                                                                                            Number of Outputs--8 ~ 320 ~ NA-4-8 ~ NA--76-24 ~ NA-------8 ~ 648 ~ 96-2 ~ NA16---116 ~ 32-NA-2----4---32-
                                                                                            Output Format--Relay contact output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output / OtherTransistor / sync outputTransistor / sync output-Relay contact output / Triac output / Transistor / source output / Transistor / sync output / Other---Transistor / sync output-Relay contact output / Transistor / source outputRelay contact output / Transistor / source output / Transistor / sync output------Relay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync outputOtherOther----Transistor / source output / Transistor / sync output---Transistor / source output--------Relay contact output / Transistor / sync output / Other-
                                                                                            Load Voltage Rating(V)-12/24 V DC ~ 24 V DC / 240 V AC--DC12 to 24 ~ 240 ACDC-10~+10 ~ DC5~24-DC5 to 24 ~ AC100~240--DC12 to 24------------------5---------DC12/24V-----
                                                                                            Protection Function-------None / Input protection function / Output protection function----None-None------Output protection function------------Other----------
                                                                                            Connection Terminal--Terminal block--Terminal block/connector-Terminal block / ConnectorTerminal block / Connector--ConnectorTerminal block-Europe terminal block-----ConnectorTerminal block / ConnectorTerminal block / Connector--Connector---Terminal block / ConnectorConnectorConnector-Terminal blockTerminal block--------Terminal blockTerminal block / Connector
                                                                                            Representative StandardCE / ULCE / ULCE / UL / CSACE / UL / CULCE / ULCE / UL / CULCE / ULCE / UL / CULCE / UL / CUL / CSA-CE / ULCE / UL / CUL / CSA-CE / UL / CULCE / UL / CUL / OtherCE / ULCE / ULCE / ULCE / ULCE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSA-CECE / UL / CUL / CSAUL-CE / UL / CULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSA-CE / UL / CUL / CSACE / UL / CUL / TUVCEUL / CULCECE / UL--CE / UL--CE / UL / CUL / CSA

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