{"product_id":"omron-cj1w-nc882-position-control-unit-cj-series","title":"Omron CJ1W-NC882 Position Control Unit CJ Series","description":"\u003cp\u003eConfigured for multi-axis motion execution and high-speed servo drive control in CJ I\/O Bus architectures, the \u003cstrong\u003eOmron CJ1W-NC882\u003c\/strong\u003e (\u003cstrong\u003eCJ1W-NC882\u003c\/strong\u003e Position Control Unit) provides direct physical and electrical execution of motion commands over an integrated EtherCAT Master fieldbus interface.\u003c\/p\u003e\n\u003ch3\u003eTechnical Identifier Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Part Number:\u003c\/strong\u003e CJ1W-NC882\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Omron\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Type:\u003c\/strong\u003e Position Control Unit (Positioning)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion Unit Type:\u003c\/strong\u003e CPU Bus Unit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Bus Architecture:\u003c\/strong\u003e CJ I\/O Bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNetwork Interface:\u003c\/strong\u003e EtherCAT Master\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-NC882\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\u003e0.170 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e3.1 cm x 6.6 cm x 9.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e15.0 cm x 10.0 cm x 5.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.5 W (500 mA at 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Classification\u003c\/td\u003e\n\u003ctd\u003eCPU Bus Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003ePositioning Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003eEtherCAT Master (1x RJ45 Shielded)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Layer\u003c\/td\u003e\n\u003ctd\u003e100BASE-TX EtherCAT Fast Ethernet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControlled Axes\u003c\/td\u003e\n\u003ctd\u003e8 axes over EtherCAT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Specification\u003c\/td\u003e\n\u003ctd\u003eShielded Twisted-Pair (STP) Category 5 or higher\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Velocity \u0026amp; Deterministic EtherCAT Execution\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOmron CJ1W-NC882\u003c\/strong\u003e interfaces directly with the high-speed CJ I\/O backplane bus, functioning as a dedicated CPU Bus Unit to achieve high-velocity memory mapping between the central PLC processor and external motion drives. The module exchanges position profile data, velocity vectors, and status flags across memory-mapped CPU Bus Unit memory areas during cyclic backplane refresh scans.\u003c\/p\u003e\n\u003cp\u003eThe integrated EtherCAT Master port delivers microsecond-level clock synchronization across up to 8 axes of motion drives. Deterministic control loop updates are maintained via distributed clocking mechanisms embedded in the EtherCAT protocol, minimizing jitter across synchronized multi-axis profiles. Firmware flash compatibility allows field update of drive profile tables without interrupting CPU backplane logic definitions.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents \u0026amp; Ordering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1x Omron CJ1W-NC882 Position Control Unit\u003c\/li\u003e\n\u003cli\u003e1x Hardware Installation Sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRack Mounting:\u003c\/strong\u003e Align the CJ1W-NC882 unit on the CJ-series CPU Rack or Expansion Rack DIN rail guide, sliding the module horizontally until the top and bottom rack locks snap into position.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit Address Assignment:\u003c\/strong\u003e Rotate the front-panel rotary unit switch (0 to F Hex) to assign the dedicated CPU Bus Unit address before applying backplane power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEtherCAT Cabling:\u003c\/strong\u003e Connect field servo drives using industrial-grade Shielded Twisted-Pair (STP) Category 5 (or higher) Ethernet cabling terminated with shielded RJ45 connectors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding \u0026amp; Grounding:\u003c\/strong\u003e Ensure the RJ45 connector outer shell bonds directly to the module chassis earth. Ground the CPU Rack functional ground (FG) terminal to a protective earth rail using a 2.0 mm sq or larger conductor with a 360-deg braid clamp assembly to prevent high-frequency noise injection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum number of controlled motion axes for the CJ1W-NC882?\u003c\/p\u003e\n\u003cp\u003eThe CJ1W-NC882 functions as an EtherCAT Master controlling up to 8 independent or synchronized motion axes via a single port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat current is drawn from the internal 5 VDC backplane bus?\u003c\/p\u003e\n\u003cp\u003eThe unit draws a maximum operating current of 500 mA (2.5 W power consumption) from the 5 VDC backplane bus supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CJ1W-NC882 be inserted or removed while backplane power is ON?\u003c\/p\u003e\n\u003cp\u003eNo, power to the CPU Rack and connected Expansion Racks must be completely isolated before installing or removing the CPU Bus Unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat media type is required for the EtherCAT Master fieldbus connection?\u003c\/p\u003e\n\u003cp\u003eConnections require Category 5 or higher Shielded Twisted-Pair (STP) Ethernet cabling terminated with shielded RJ45 connectors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the backplane unit address configured on the module front panel?\u003c\/p\u003e\n\u003cp\u003eThe unit address is set manually via the front-panel rotary switches across a range of 0 to F Hex prior to powering up the CPU rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the EtherCAT Master port support standard Ethernet switches?\u003c\/p\u003e\n\u003cp\u003eNo, EtherCAT fieldbus networks use deterministic pass-through timing and must connect directly from the master to slaves without standard Ethernet switches.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the CJ1W-NC882 maintain multi-axis synchronization?\u003c\/p\u003e\n\u003cp\u003eThe module utilizes EtherCAT distributed clock mechanisms to achieve microsecond-level clock synchronization across all configured servo axes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat grounding procedure prevents noise coupling into the positioning unit?\u003c\/p\u003e\n\u003cp\u003eConnect the CPU Rack FG terminal to a protective earth rail via a low-impedance conductor with 360-deg braid shielding on signal cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306666279085,"sku":"CJ1W-NC882","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-NC882_2.jpg?v=1788156493","url":"https:\/\/www.maxwellplc.com\/ga\/products\/omron-cj1w-nc882-position-control-unit-cj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}