{"product_id":"cj1w-id261-omron-digital-input-module-cj-series","title":"CJ1W-ID261 Omron Digital Input Module CJ-Series","description":"\u003cp\u003eConfigured for 64-channel DC24 V discrete acquisition on the CJ I\/O Bus, the \u003cstrong\u003eOmron CJ1W-ID261\u003c\/strong\u003e (\u003cstrong\u003eCJ1W-ID261\u003c\/strong\u003e Digital Input Module) provides direct physical\/electrical execution via two 40-pin FCN interfaces.\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCJ1W-ID261: Base catalog number, 64-point DC24 V input, Fujitsu\/OTAX-compatible FCN connector, basic I\/O class.\u003c\/li\u003e\n\u003cli\u003eCJ1W: CJ-series 35 mm wide I\/O family prefix.\u003c\/li\u003e\n\u003cli\u003eID: Digital input function code.\u003c\/li\u003e\n\u003cli\u003e261: 64-point high-density variant with 16-point\/common grouping (4 commons).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical and Mechanical Data\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003eI\/O System\u003c\/td\u003e\n\u003ctd\u003eCJ I\/O Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Class\u003c\/td\u003e\n\u003ctd\u003eBasic I\/O Unit, Digital Input\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Inputs\u003c\/td\u003e\n\u003ctd\u003e64 (16 points per common, 4 commons)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Type\u003c\/td\u003e\n\u003ctd\u003eDC24 V, PNP\/NPN selectable by wiring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePermitted Input Voltage\u003c\/td\u003e\n\u003ctd\u003e20.4 - 26.4 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Current\u003c\/td\u003e\n\u003ctd\u003e4.1 mA typ. at 24 VDC (5.6 kOhm impedance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eON Threshold\u003c\/td\u003e\n\u003ctd\u003e19 VDC \/ 3 mA min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF Threshold\u003c\/td\u003e\n\u003ctd\u003e5 VDC \/ 1 mA max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOFF\/ON Delay\u003c\/td\u003e\n\u003ctd\u003e0 - 32 ms (default 8 ms, software filter settable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Outputs\u003c\/td\u003e\n\u003ctd\u003e0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Connector\u003c\/td\u003e\n\u003ctd\u003e2 x 40-pin FCN (Fujitsu\/OTAX compatible), plug not included\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCOM Terminals\u003c\/td\u003e\n\u003ctd\u003e8 (A9\/A18, B9\/B18 per connector paired)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Backplane Current\u003c\/td\u003e\n\u003ctd\u003e90 mA max from 5 VDC CJ bus (0.09 A per Omron lineup)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e20 MOhm min (DC100 V, external to GR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003eAC1000 V 1 min, 10 mA max leak (external to GR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 - 55 deg C (no condensation)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 - 75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e10 - 90 %RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.45 W max (90 mA x 5 VDC bus side)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e100 g (user data) \/ 110 g max per Omron manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e90 mm (H) x 31 mm (W) x 66.5 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e35 mm DIN rail, CJ rack slot, occupies 2 basic I\/O unit addresses\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCJ Bus I\/O Density and Connector Scaling\u003c\/h3\u003e\n\u003cp\u003eThe CJ1W-ID261 executes I\/O density scaling on the CJ I\/O Bus by mapping 64 inputs into 4 allocated words (16 points\/common). Backplane communication follows the CJ dedicated I\/O bus velocity license, not Profinet or EtherNet\/IP; word refresh is driven by CPU cyclic scan. Firmware flash compatibility is fixed to CJ1M\/CJ2M\/CJ2H CPU units running unit information table V3.x or later. Connector pinout conforms to Fujitsu FCN-40R-TV and OTAX equivalents; no MIL or removable screw terminal block is fitted. Simultaneous ON loading is restricted to 50 % per common (8 of 16 points) at DC24 V without derating external supply current.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x CJ1W-ID261 module (factory sealed, label barcode intact)\u003c\/li\u003e\n\u003cli\u003e0 x FCN connector plugs (must order separately, e.g. GPN-CJ25 or equivalent 40-pin Fujitsu\/OTAX hood)\u003c\/li\u003e\n\u003cli\u003e0 x termination cables (Omron GPP-CJ25L pre-wired cable optional)\u003c\/li\u003e\n\u003cli\u003e0 x mounting hardware (DIN clip integrated into module body)\u003c\/li\u003e\n\u003cli\u003e1 x printed warning slip (omron static handling, not full manual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSite Wiring and Mounting Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupply the CJ rack 5 VDC backplane before inserting the module; do not hot-swap while CPU in RUN unless rack supports live insertion.\u003c\/li\u003e\n\u003cli\u003eWire COM0-COM3 pairs (A9+A18, B9+B18 on each FCN) to identical polarity; mixing source\/sink on one common forces undefined ON state.\u003c\/li\u003e\n\u003cli\u003eFor PNP sensors, tie COM to 24 VDC positive; for NPN, tie COM to 0 VDC. Sensor leakage must stay below 1 mA in OFF band.\u003c\/li\u003e\n\u003cli\u003eKeep FCN cable bundles away from 200 VAC feeder trays by minimum 100 mm or use grounded separator plate.\u003c\/li\u003e\n\u003cli\u003eDrain shield of multi-core sensor cable to cabinet ground, not to COM terminal.\u003c\/li\u003e\n\u003cli\u003eSet input filter (0\/1\/2\/4\/8\/16\/32 ms) in CX-Programmer unit setup; default 8 ms masks contact bounce but rejects sub-ms pulses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes CJ1W-ID261 support hot-swapping on a live CJ2M rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The module is not rated for live insertion. Remove 5 VDC backplane power or place CPU to STOP before extracting or seating the unit.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the same common terminal mix PNP and NPN sensors?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Each 16-point common (COM0 to COM3) must be uniformly wired either to 24 VDC (PNP) or 0 VDC (NPN). Mixed polarity on one common causes false ON.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the actual backplane load drawn from the CPU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eMaximum 90 mA from the 5 VDC CJ I\/O Bus rail. It draws 0 A from 24 VDC field supply; field power is fully external per common.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy are there 8 COM terminals for 64 inputs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e64 inputs are grouped 16 per common across 4 groups. Each group has two physical COM pins (A9\/A18 etc.) that must be paralleled to the same potential, not used as separate commons.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the FCN plug shipped with the module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Per Omron lineup note, \"connector model does not include connector\". Order Fujitsu FCN-40R-TV hood plus crimp contacts or Omron GPN-CJ25 separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens if input filter is set to 0 ms?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e0 ms disables digital debounce; ON\/OFF reflect raw bus sampling limited by hardware propagation (~sub-ms to 1 ms). Use only with electronic sensors, never mechanical contacts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow many CJ1W-ID261 can one CJ2M-CPU mount?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eLimited by basic I\/O unit count (max 10 expansion units on CJ1M, 40 on CJ2H via expansion racks) and 5 VDC backplane budget. 90 mA each: 10 pcs = 900 mA, within typical CPU 5 VDC capacity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require firmware download for CJ2H compatibility?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo firmware flash on the module itself. Compatibility is controlled by CPU unit information table; older CPUs may need CX-Programmer V9+ to allocate 4 input words correctly.\u003c\/p\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306596253869,"sku":"CJ1W-ID261CW","price":248.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-ID261_4.jpg?v=1787614187","url":"https:\/\/www.maxwellplc.com\/products\/cj1w-id261-omron-digital-input-module-cj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}