{"product_id":"omron-cj1w-cort21-canopen-communication-unit-sysmac-cj-series","title":"Omron CJ1W-CORT21 CANopen Communication Unit SYSMAC CJ Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CJ1W-CORT21\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCJ1W-CORT21\u003c\/strong\u003e CANopen Communication Unit, operates as a dedicated hardware component for CAN bus network integration within SYSMAC CJ Series platforms.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Omron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model:\u003c\/strong\u003e CJ1W-CORT21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Part Number:\u003c\/strong\u003e CJ1W-CORT21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Name:\u003c\/strong\u003e SYSMAC CJ Series\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e CANopen Communication Unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Classification:\u003c\/strong\u003e CPU Bus Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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-CORT21\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.16 kg max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\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\u003e5.0 cm x 11.0 cm x 9.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C ... +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.00 W (400 mA max. at 5 VDC from PLC backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable System\u003c\/td\u003e\n\u003ctd\u003eCJ Series PLC (CPU Rack or Expansion Rack)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplicable Unit Numbers\u003c\/td\u003e\n\u003ctd\u003e0 to F (rotary switch configured)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Units per Rack\u003c\/td\u003e\n\u003ctd\u003e16 Units max. per CPU\/Expansion system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Node Capacity\u003c\/td\u003e\n\u003ctd\u003eUnlimited nodes per CAN network\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Power Supply\u003c\/td\u003e\n\u003ctd\u003e11 to 25 VDC (supplied via communications connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate Configuration\u003c\/td\u003e\n\u003ctd\u003eFront panel DIP switch (digital x 3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Cycle Time Impact\u003c\/td\u003e\n\u003ctd\u003e0.3 ms + 0.0064 ms x (number of buffers allocated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePLC Controller Processing \u0026amp; Backplane Communication\u003c\/h3\u003e\n\u003cp\u003eThe CJ1W-CORT21 manages deterministic message exchange between the CANopen field network and the host CPU across the internal backplane bus velocity channels. Operating as a CPU Bus Unit, it processes real-time transmit and receive buffers directly mapped to CPU memory locations. High-density I\/O density scaling allows up to 16 units to co-exist on a single CJ PLC system while allocating dedicated unit numbers from 0 to F via front panel rotary switches, ensuring strict profinet\/EtherNet\/IP determinism compliance and firmware flash compatibility across CJ-series system racks.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CJ1W-CORT21 CANopen Communication Unit\u003c\/li\u003e\n\u003cli\u003e1x 5-Pin Open-Style Fieldbus Connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Seat the module into the designated slot on the CJ CPU or expansion rack, pushing down firmly until upper and lower locking sliders click securely onto the DIN rail.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Connect CAN_H, CAN_L, CAN_GND, and 11 to 25 VDC external network power lines to the 5-pin open-style communications connector.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e Ensure continuous cable shield continuity by grounding the CAN trunk line shield via a 360-deg braid shielding connection at the power supply termination point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Route a short, low-impedance copper grounding strap from the CPU rack functional earth (FE) terminal directly to the enclosure main protective earth rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the Unit Number configured on the CJ1W-CORT21?\u003c\/p\u003e\n\u003cp\u003eThe Unit Number is set using the front panel hexadecimal rotary switch across an available address range of 0 to F.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat external voltage is required for CAN bus transceiver power?\u003c\/p\u003e\n\u003cp\u003eThe module requires an external network supply voltage between 11 and 25 VDC fed directly through the communications connector.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does adding the CJ1W-CORT21 affect the CPU Unit cycle time?\u003c\/p\u003e\n\u003cp\u003eThe module adds 0.3 ms + 0.0064 ms multiplied by the total number of allocated buffer memories to the main CPU cycle time.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat physical dimensions apply to the CJ1W-CORT21 hardware unit?\u003c\/p\u003e\n\u003cp\u003eThe physical dimensions measure 3.1 cm x 9.0 cm x 6.5 cm with an overall hardware weight of 0.16 kg max.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many CJ1W-CORT21 units can be mounted to a single CJ PLC system?\u003c\/p\u003e\n\u003cp\u003eA maximum of 16 CPU Bus Units can be mounted across the CPU rack and connected expansion racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the CAN bus communication baud rate selected on the hardware?\u003c\/p\u003e\n\u003cp\u003eThe communication baud rate is configured using the 3-position digital DIP switches located on the front panel of the unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the CJ1W-CORT21 support hot-swapping during backplane operation?\u003c\/p\u003e\n\u003cp\u003eNo, the CJ-series backplane does not permit live insertion; power to the expansion rack must be turned off before replacing the unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum number of nodes can be connected on a single CAN bus line?\u003c\/p\u003e\n\u003cp\u003eThe module architecture imposes no software limit, allowing an unlimited number of physical units to be connected per CAN network segment.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306610933933,"sku":"CJ1W-CORT21","price":139.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-CORT21_1.jpg?v=1788103143","url":"https:\/\/www.maxwellplc.com\/ru\/products\/omron-cj1w-cort21-canopen-communication-unit-sysmac-cj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}