{"product_id":"cj1w-clk23-omron-controller-link-unit-cj-series","title":"CJ1W-CLK23 Omron Controller Link Unit CJ Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CJ1W-CLK23\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCJ1W-CLK23\u003c\/strong\u003e Controller Link Unit, operates as a dedicated hardware component for high-speed peer-to-peer data linking and message communications within CJ Series PLC backplanes.\u003c\/p\u003e\n\u003ch3\u003eModel Designation and Architecture Layout\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eOmron CJ1W-CLK23\u003c\/strong\u003e interfaces directly with the local system rack, serving as a high-performance network interface module:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCJ1W\u003c\/strong\u003e: Dedicated module footprint for Omron CJ-series system racks (CJ1G, CJ1M, CJ2M, and CJ2H CPUs).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCLK\u003c\/strong\u003e: Controller Link network interface designation supporting HDLC frame synchronization and token-bus media access.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e23\u003c\/strong\u003e: Wire-type media variant hardware revision for wired shielded twisted-pair connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Integration\u003c\/strong\u003e: Mounts into any standard CPU or expansion rack slot, with a maximum limit of 8 units per CPU Unit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperational Parameters and Technical 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-CLK23\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\u003eController Link Unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Cable\u003c\/td\u003e\n\u003ctd\u003eWired shielded twisted-pair cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Method\u003c\/td\u003e\n\u003ctd\u003eN:N token-bus method\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Path Format\u003c\/td\u003e\n\u003ctd\u003eMultidrop method (bus type)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Service Types\u003c\/td\u003e\n\u003ctd\u003eData links and explicit message service\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Synchronization\u003c\/td\u003e\n\u003ctd\u003eFlag synchronization conforming to HDLC frames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Node Count\u003c\/td\u003e\n\u003ctd\u003e32 or 62 nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Units per CPU Unit\u003c\/td\u003e\n\u003ctd\u003e8 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.35 A at 5 VDC (1.75 W)\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\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 to 75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnit Weight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e150 mm x 120 mm x 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Execution \u0026amp; Backplane Velocity\u003c\/h3\u003e\n\u003cp\u003eThe module offloads protocol framing from the main PLC processor, maintaining continuous peer-to-peer data links without lengthening ladder execution cycle times. Backplane bus communication velocity handles deterministic network refresh synchronization directly across shared internal registers. Firm firmware flash compatibility across CJ-series processors guarantees stable network startup cycles and immediate token recovery during transient physical bus dropouts.\u003c\/p\u003e\n\u003ch3\u003ePackage Component Checklist\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron CJ1W-CLK23 Controller Link Unit\u003c\/li\u003e\n\u003cli\u003e1 x Wire-type communications connector plug\u003c\/li\u003e\n\u003cli\u003e1 x Panel grounding strap instruction sheet\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Wiring and Bus Installation Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Interruption\u003c\/strong\u003e: Always isolate the PLC system power supply before inserting or extracting the module from the rack slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwisted-Pair Termination\u003c\/strong\u003e: Use specified shielded twisted-pair cabling and attach 220-ohm terminal resistance elements at both physical ends of the multidrop bus segment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Grounding\u003c\/strong\u003e: Ground the cable shield wire at one single point to the panel protective earth (PE) terminal to prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Separation\u003c\/strong\u003e: Route communication lines in separate conduit away from AC power wiring and variable frequency drive outputs by at least 200 mm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Questions \u0026amp; Field Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the physical node address configured on the CJ1W-CLK23 hardware?\u003c\/p\u003e\n\u003cp\u003eSet the rotary switches on the front panel to the assigned node address prior to energizing the PLC backplane supply.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the CJ1W-CLK23 support hot-swapping on a live CJ-series rack?\u003c\/p\u003e\n\u003cp\u003eNo. Removing or inserting the module while the system rack is energized causes backplane communication errors and CPU halts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat supply voltage powers the internal logic of the Controller Link unit?\u003c\/p\u003e\n\u003cp\u003eThe unit draws its operational power directly from the 5 VDC supply rail on the PLC backplane at 0.35 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many Controller Link units can be mounted to a single CJ CPU unit?\u003c\/p\u003e\n\u003cp\u003eUp to 8 Controller Link units can be mounted on a single CJ-series CPU unit, subject to power supply limits.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat communication topology is utilized for field bus interconnections?\u003c\/p\u003e\n\u003cp\u003eThe unit uses a multidrop bus topology employing wired shielded twisted-pair cabling running an N:N token-bus protocol.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens to data link execution if a node drops offline?\u003c\/p\u003e\n\u003cp\u003eThe token passes around the failing node, maintaining continuous data link updates across all remaining operational network nodes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAre external termination resistors required for the communications segment?\u003c\/p\u003e\n\u003cp\u003eYes. Terminal resistance switches or resistors must be engaged at both physical ends of the multidrop network cable run.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does HDLC flag synchronization benefit the network transmission?\u003c\/p\u003e\n\u003cp\u003eHDLC framing provides reliable bit synchronization, cyclic redundancy error checking, and determinism across high-density data link tables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306671882413,"sku":"CJ1W-CLK23","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/CJ1W-CLK23_2.jpg?v=1788155068","url":"https:\/\/www.maxwellplc.com\/ru\/products\/cj1w-clk23-omron-controller-link-unit-cj-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}