{"product_id":"omron-cj1w-id261-cj-series-64-point-dc-input-unit","title":"Omron CJ1W-ID261 CJ Series 64-point DC Input Unit","description":"\u003cp\u003eConfigured for 24 VDC discrete signal acquisition in CJ-series PLC systems, the \u003cstrong\u003eOmron CJ1W-ID261\u003c\/strong\u003e (\u003cstrong\u003eCJ1W-ID261\u003c\/strong\u003e DC Input Unit) provides 64 digital input channels through two 40-pin Fujitsu\/OTAX-compatible connectors. The unit uses four 16-point common circuits, allocates 4 words, and accepts both NPN and PNP input devices when the same polarity is maintained within each common circuit. Omron specifies 4.1 mA typical input current and 90 mA maximum 5 VDC internal current consumption.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCJ1W-ID261\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCJ1 64-point DC Input Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCJ Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Category\u003c\/td\u003e\n\u003ctd\u003eBasic I\/O Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Type\u003c\/td\u003e\n\u003ctd\u003eDC Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4 to 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e4.1 mA typical at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e5.6 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Configuration\u003c\/td\u003e\n\u003ctd\u003e16 points\/common\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Circuits\u003c\/td\u003e\n\u003ctd\u003e64 inputs, 4 circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Connection\u003c\/td\u003e\n\u003ctd\u003eFujitsu \/ OTAX-compatible connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Quantity\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e40-pin x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWords Allocated\u003c\/td\u003e\n\u003ctd\u003e4 words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Polarity\u003c\/td\u003e\n\u003ctd\u003eNPN or PNP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Current Consumption\u003c\/td\u003e\n\u003ctd\u003e90 mA max. at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eOmron's official specification lists the CJ1W-ID261 as a 64-point, 24 VDC input unit with Fujitsu\/OTAX-compatible connectors and 4 allocated words.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCJ1W-ID261\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOmron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital DC Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCJ Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage Range\u003c\/td\u003e\n\u003ctd\u003e20.4 to 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e4.1 mA typical at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e5.6 kOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Voltage\u003c\/td\u003e\n\u003ctd\u003e19.0 VDC min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Current\u003c\/td\u003e\n\u003ctd\u003e3 mA min.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Current\u003c\/td\u003e\n\u003ctd\u003e1 mA max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Response Time\u003c\/td\u003e\n\u003ctd\u003e8.0 ms max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Response Time\u003c\/td\u003e\n\u003ctd\u003e8.0 ms max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Filter\u003c\/td\u003e\n\u003ctd\u003e0 to 32 ms configurable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Inputs\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Circuits\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Arrangement\u003c\/td\u003e\n\u003ctd\u003e16 points\/common, 4 circuits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSimultaneously ON Points\u003c\/td\u003e\n\u003ctd\u003e50% at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e20 MOhm min. at 100 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e1,000 VAC for 1 minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Current Consumption\u003c\/td\u003e\n\u003ctd\u003e90 mA max. at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.45 W max. at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.1 cm x 9.0 cm x 6.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified by Omron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e2 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003eThe CJ-series dimensional documentation identifies CJ1W-ID261 under the 64-point input units with two 40-pin Fujitsu\/OTAX-compatible connectors. The CJ-series unit dimensions are 31 mm x 90 mm x 65 mm, corresponding to 3.1 cm x 9.0 cm x 6.5 cm.\u003c\/p\u003e\n\u003ch3\u003eOmron PLC I\/O Architecture and Signal Handling\u003c\/h3\u003e\n\u003cp\u003eThe CJ1W-ID261 is a high-density Basic I\/O Unit for the Omron CJ-series controller architecture. Its 64 inputs are divided into four 16-point common groups. The unit occupies 4 CIO words in the PLC I\/O allocation.\u003c\/p\u003e\n\u003cp\u003eThe 24 VDC input circuit uses a 5.6 kOhm input impedance and draws 4.1 mA typical per input at the rated voltage. The specified ON threshold is 19.0 VDC minimum, while the OFF threshold is 5 VDC maximum.\u003c\/p\u003e\n\u003cp\u003eOmron specifies compatibility with both NPN and PNP output devices for its 24 VDC CJ-series input models. The same polarity must be used for devices connected to inputs sharing a common. A configurable digital filter from 0 to 32 ms is provided for suppression of unwanted external signal transitions.\u003c\/p\u003e\n\u003cp\u003eThe 50% simultaneous ON specification corresponds to 8 active input points within each 16-point common circuit at 24 VDC. This limitation should be considered when calculating field-device loading and input signal distribution.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CJ1W-ID261 DC Input Unit\u003c\/li\u003e\n\u003cli\u003e1x CJ1W-ID261 64-point Basic I\/O Unit\u003c\/li\u003e\n\u003cli\u003e2x 40-pin Fujitsu \/ OTAX-compatible external connector interfaces\u003c\/li\u003e\n\u003cli\u003eExternal connector plugs are not included as standard accessories\u003c\/li\u003e\n\u003cli\u003eTerminal-block conversion hardware is available separately for compatible CJ-series I\/O configurations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOmron lists the standard accessories for CJ1W-ID261 as none.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the CJ1W-ID261 in a compatible CJ-series PLC rack and verify the CPU and backplane configuration before energization.\u003c\/li\u003e\n\u003cli\u003eConfirm that the unit is assigned the required 4 words in the CJ I\/O allocation.\u003c\/li\u003e\n\u003cli\u003eSupply field input circuits with 24 VDC within the specified 20.4 to 26.4 VDC range.\u003c\/li\u003e\n\u003cli\u003eConnect field devices through the two 40-pin Fujitsu\/OTAX-compatible interfaces.\u003c\/li\u003e\n\u003cli\u003eMaintain the same NPN or PNP polarity for inputs belonging to the same common circuit.\u003c\/li\u003e\n\u003cli\u003eDo not exceed the specified simultaneous ON loading for each 16-point common group.\u003c\/li\u003e\n\u003cli\u003eKeep discrete signal wiring physically separated from high-current motor, contactor, inverter, and switching-power wiring where practical.\u003c\/li\u003e\n\u003cli\u003eUse appropriate cable shielding and grounding when the installation is exposed to significant electrical noise.\u003c\/li\u003e\n\u003cli\u003eSet the digital input filter according to the field signal characteristics. Increasing filtering can increase effective signal recognition delay.\u003c\/li\u003e\n\u003cli\u003eVerify input polarity and voltage before connecting field wiring to prevent incorrect signal interpretation.\u003c\/li\u003e\n\u003cli\u003eCheck insulation and dielectric requirements when commissioning wiring connected to the external input circuits.\u003c\/li\u003e\n\u003cli\u003eDo not assume hot-swapping capability for the I\/O unit unless the applicable CJ-series hardware documentation explicitly permits the operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many digital input channels does the CJ1W-ID261 provide?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The CJ1W-ID261 provides 64 DC input channels. They are arranged as four 16-point common circuits and occupy 4 words in the CJ I\/O allocation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What voltage range is permitted for the inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The rated input voltage is 24 VDC, with a specified rated input voltage range of 20.4 to 26.4 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What connector does the CJ1W-ID261 use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The unit uses two 40-pin Fujitsu\/OTAX-compatible connectors. Omron distinguishes this model from the CJ1W-ID262, which uses MIL connectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the physical dimensions of the module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The physical dimensions are 3.1 cm x 9.0 cm x 6.5 cm, corresponding to 31 mm x 90 mm x 65 mm in the CJ-series dimensional documentation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the input impedance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The specified input impedance is 5.6 kOhm. At the rated 24 VDC input voltage, the typical input current is 4.1 mA.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What are the specified input response times?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Both ON and OFF response times are specified at 8.0 ms maximum. The digital filter can be configured from 0 to 32 ms through the applicable CJ-series setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the CJ1W-ID261 accept both NPN and PNP sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Omron states that its 24 VDC input models can connect to devices with either NPN or PNP outputs. Devices sharing one common must use the same polarity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum internal current consumption?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Omron specifies 90 mA maximum internal current consumption from the 5 VDC PLC supply. This corresponds to a maximum internal power demand of approximately 0.45 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306664116397,"sku":"CJ1W-ID261","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-ID261_1_ed703e4d-4d28-46ef-a3fe-8753a3d60ec5.jpg?v=1788156050","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cj1w-id261-cj-series-64-point-dc-input-unit","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}