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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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Brand
Product Series
CAD
Days to Ship
Number of inputs
Input format
Rated input voltage(V)
Input answer time
Number of output points
Output format
Rated load voltage(V)
Protection function
Connection terminal
Representative standards

    MELSEC-F Input/Output Expansion Block

      C Series C500 CompoNet Slave

        CJ Series Input Unit CJ1W-ID / IA

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

            CJ Series Input/Output Unit CJ1W-MD

              iQ-R Series Input/Output Unit

                MELSEC-F Series Input/Output Expansion Unit

                  CJ Series Output Unit CJ1W-OC / OA / OD

                    Programmable Controller CP1L Expansion I/O Unit

                      NX Series Digital Input Unit NX-ID DC Input Unit

                        NX Series Digital Output Unit NX-OD Transistor Output Unit

                          MELSEC-Q Output Unit

                            SYSMAC CJ series   CJ2M pulse I/O block

                              NX Series Incremental Encoder Input Unit NX-EC0□□□

                                CC-Link input/output unit (input/output)

                                  MELSEC-Q Series Interrupt Input Unit

                                    CJ series high speed counter unit

                                      CC-Link input/output unit (output)

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

                                          CC-Link Screws/2-Piece Terminal Block Type (Input Unit)

                                            MELSEC-L series output unit

                                              MELSEC-Q Series Input Unit (AC)

                                                MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                  MELSEC-Q series input unit (DC sensor)

                                                    MELSEC-Q series input unit (DC minus common)

                                                      MELSEC-QS Series CC-Link Safety Input/Output

                                                        I/O control unit I/O interface unit

                                                          Interrupt Input Unit CJ1W-INT01

                                                            Programmable Controller CPM2C Expansion I/O Unit

                                                              CS1D series I/O interface unit

                                                                High Speed Counter Unit - CS1W-CT021/041

                                                                  Input/Output Unit CS1W

                                                                    Modbus I/O Module, Digital Input Module

                                                                      L Series DC Input / Transistor Output Combined Unit

                                                                        L Series Output Unit

                                                                          L Series Input Unit

                                                                            L Series Multi-Input Unit

                                                                              MELSEC-F Series Input Expansion Board

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

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

                                                                                    MELSEC iQ-FX5 Series Input/Output Unit

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

                                                                                      Brand

                                                                                      Mitsubishi Electric Automation

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      Mitsubishi Electric Automation

                                                                                      OMRON

                                                                                      OMRON

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      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

                                                                                      Mitsubishi Electric Automation

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      OMRON

                                                                                      Watanabe Electric Industry

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      OMRON

                                                                                      OMRON

                                                                                      Mitsubishi Electric Automation

                                                                                      Mitsubishi Electric Automation

                                                                                      Product Series

                                                                                      MELSEC-F Input/Output Expansion Block

                                                                                      C Series C500 CompoNet Slave

                                                                                      CJ Series Input Unit CJ1W-ID / IA

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

                                                                                      CJ Series Input/Output Unit CJ1W-MD

                                                                                      iQ-R Series Input/Output Unit

                                                                                      MELSEC-F Series Input/Output Expansion Unit

                                                                                      CJ Series Output Unit CJ1W-OC / OA / OD

                                                                                      Programmable Controller CP1L Expansion I/O Unit

                                                                                      NX Series Digital Input Unit NX-ID DC Input Unit

                                                                                      NX Series Digital Output Unit NX-OD Transistor Output Unit

                                                                                      MELSEC-Q Output Unit

                                                                                      SYSMAC CJ series CJ2M pulse I/O block

                                                                                      NX Series Incremental Encoder Input Unit NX-EC0□□□

                                                                                      CC-Link input/output unit (input/output)

                                                                                      MELSEC-Q Series Interrupt Input Unit

                                                                                      CJ series high speed counter unit

                                                                                      CC-Link input/output unit (output)

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

                                                                                      CC-Link Screws/2-Piece Terminal Block Type (Input Unit)

                                                                                      MELSEC-L series output unit

                                                                                      MELSEC-Q Series Input Unit (AC)

                                                                                      MELSEC-Q Series Inter-Channel Insulation Pulse Input Unit

                                                                                      MELSEC-Q series input unit (DC sensor)

                                                                                      MELSEC-Q series input unit (DC minus common)

                                                                                      MELSEC-QS Series CC-Link Safety Input/Output

                                                                                      I/O control unit I/O interface unit

                                                                                      Interrupt Input Unit CJ1W-INT01

                                                                                      Programmable Controller CPM2C Expansion I/O Unit

                                                                                      CS1D series I/O interface unit

                                                                                      High Speed Counter Unit - CS1W-CT021/041

                                                                                      Input/Output Unit CS1W

                                                                                      Modbus I/O Module, Digital Input Module

                                                                                      L Series DC Input / Transistor Output Combined Unit

                                                                                      L Series Output Unit

                                                                                      L Series Input Unit

                                                                                      L Series Multi-Input Unit

                                                                                      MELSEC-F Series Input Expansion Board

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

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

                                                                                      MELSEC iQ-FX5 Series Input/Output Unit

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

                                                                                      CAD
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                                                                                      Number of inputsNA328 ~ 64-16 ~ 32NANA-8 ~ 248 ~ 32--10--16----------8166 ~ 16--16 ~ 9616-NA--NA16---
                                                                                      Input format-DC inputDC input / AC input-DC input----DC input---Other--DC input---------DC inputDC inputDC input-DC inputDC input / AC input / AC/DC inputDC input-----DC input--DC input
                                                                                      Rated input voltage(V)DC24V ~ NA12 to 24 ~ 2424 ~ 200 to 240DC245 ~ 24DC5 ~ AC100 to 240DC24V ~ (Not applicable)--24-----DC24-------5 DC / 12 DCDC5-12 to 242424--24 ~ 200 to 240DC24VDC24V(Not applicable)AC100 to 120V ~ AC100 to 240V-DC24V ~ (Not applicable)24--10 to +10 DCDC5/24
                                                                                      Input answer time-----------------------------------------Less than 1 mS / Less than 10 to 20 mS
                                                                                      Number of output points0 ~ NA32-416 ~ 32NA24 ~ NA8 ~ 648 ~ 32-16 ~ 32-6---------------4 ~ 16--8 ~ 96---NA-2 ~ NA16---
                                                                                      Output formatRelay contact output / Triac output / Transistor / source output / Transistor / sync output / OtherRelay contact output-Transistor / source outputTransistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output / OtherRelay contact output / Transistor / source outputRelay contact output / Triac output / Transistor / source output / Transistor / sync outputRelay contact output / Transistor / source output / Transistor / sync output-OtherTransistor / sync outputTransistor / sync output---------------Relay contact output / Transistor / sync output--Relay contact output / Triac output / Transistor / source output / Transistor / sync output-Transistor / source output / Transistor / sync outputRelay contact output / Triac output / Transistor / source output / Transistor / sync output--OtherOtherOtherTransistor / sync outputRelay contact output / Transistor / source output / Transistor / sync output
                                                                                      Rated load voltage(V)-----DC5 to 24 ~ DC24V-----240 AC--24 V DC / 240 V AC---------------------------
                                                                                      Protection function---Other---Output protection function------------------------None--------None
                                                                                      Connection terminal-Terminal blockTerminal block / ConnectorTerminal blockConnector--Terminal block / ConnectorTerminal blockTerminal block / ConnectorTerminal block / Connector-ConnectorTerminal block--Connector---------Terminal block / ConnectorTerminal blockTerminal block / ConnectorConnectorConnectorTerminal block / ConnectorTerminal block-----Connector-Terminal block/connectorEurope terminal block
                                                                                      Representative standardsCE / UL / CUL-CE / UL / CUL / CSACE / UL / CUL / TUVCE / UL / CUL / CSACE / UL / CULCE / UL / CULCE / UL / CUL / CSACE / UL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / ULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL-CE / UL / CUL / CSACE / ULULCE / ULUL / CULCE / UL-CE / ULCE / ULCE / UL / CULCE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CSACE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CUL / CSA----CE / UL / CULCECE / UL / CUL / CSACE / UL / CUL / CSACE / UL / CULCE / UL / CUL / Other

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