{"product_id":"omron-cs1w-clk23-cs1-series-controller-link-unit","title":"Omron CS1W-CLK23 CS1 Series Controller Link Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eFacilitating high-speed, peer-to-peer data sharing and message exchanges across industrial networks, the \u003cstrong\u003eOmron CS1W-CLK23\u003c\/strong\u003e is a dedicated Controller Link Unit designed for seamless integration into CS1-series PLC systems. This module operates on a wired, shielded twisted-pair network, enabling robust communication between multiple PLCs and host computers without sacrificing processor cycle times. Built for high-density industrial control architectures, it allows systems engineers to establish reliable \u003cstrong\u003edata links\u003c\/strong\u003e and handle intensive message services within demanding automation environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFlexible Communication:\u003c\/strong\u003e Supports both high-volume data link systems and asynchronous message services for flexible information exchange.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable Architecture:\u003c\/strong\u003e Up to 8 Controller Link Units can be mounted per CPU Unit, allowing complex multi-tier network topologies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEfficient Resource Allocation:\u003c\/strong\u003e Utilizes only 1 unit number allocation on the CS1 CPU bus backplane.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Footprint:\u003c\/strong\u003e Consumes 0.33 A at 5 V DC, minimizing thermal load on the system power supply unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard Certifications:\u003c\/strong\u003e Complies with UC1, N, L, and CE regulatory standards for global industrial deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003eAutomotive assembly line synchronization and inter-PLC coordination.\u003c\/li\u003e\n  \u003cli\u003eLarge-scale water and wastewater treatment distributed control systems.\u003c\/li\u003e\n  \u003cli\u003eFood and beverage batching networks requiring high-speed data logging.\u003c\/li\u003e\n  \u003cli\u003eComplex packaging line orchestration and material handling systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 8px; font-weight: bold;\"\u003eSpecification Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOmron\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eModel\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCS1W-CLK23\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eUnit Classification\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eCS1 CPU Bus Unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eProduct Name\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eController Link Unit\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCommunications Cable\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eWired shielded twisted-pair cable\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCommunications Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eData links and message service\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eDuplex Support\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eNo\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eMax. Units per CPU Unit\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e8\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eNo. of Unit Numbers Allocated\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCurrent Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e0.33 A at 5 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eCompliance Standards\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eUC1, N, L, CE\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 8px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e1.5 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe CS1W-CLK23 replaces legacy Controller Link Units such as the CS1W-CLK21-V1. It maintains backwards compatibility with existing wired twisted-pair Controller Link modules on the same physical segment. However, engineers must verify that the CPU Unit's firmware is compatible with the routing table configurations required by this revision level to prevent routing communication fault codes during startup.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eNetwork termination resistors (110 ohms) must be physically enabled at the two extreme end-nodes of the twisted-pair trunk. Failure to install or switch on these terminators will cause high packet-error rates and eventual token loss under heavy electromagnetic interference (EMI) conditions. Keep transmission speed settings uniform across all nodes on the network; unmatched baud rate settings will prevent the unit from joining the active token ring.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen routing the shielded twisted-pair communication line, ensure the cable shield is grounded at only one point of the network segment to avoid ground loops. Additionally, run the Controller Link cabling in dedicated, grounded metal conduits isolated from high-voltage AC lines or variable frequency drive (VFD) output motor cables to maximize signal integrity and prevent data corruption.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 0.5rem 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eCompletely de-energize the PLC backplane and all associated power supplies before mounting or removing the CS1W-CLK23 module. Hot-swapping CPU bus units will cause irreversible hardware damage to the internal bus transceiver circuitry and corrupt running PLC memory structures.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: bold;\"\u003e1\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eSet the rotary unit number switch on the front panel of the module to a unique value (0 to F) not shared by any other CPU Bus Unit on the same PLC rack.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: bold;\"\u003e2\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eAlign the upper and lower guides of the module with the backplane slot, push the module firmly into place, and secure the mounting screw to the specified torque.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: bold;\"\u003e3\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eWire the shielded twisted-pair cable to the Controller Link connector, maintaining consistency with high (SDA\/RDA) and low (SDB\/RDB) signal terminals, and terminate the shield.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 1rem;\"\u003e\n    \u003cdiv style=\"display: flex; align-items: center; justify-content: center; background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; font-weight: bold;\"\u003e4\u003c\/div\u003e\n    \u003cdiv style=\"color: #2d3748; padding-top: 2px;\"\u003eEnergize the system, configure routing tables inside CX-Integrator, and verify the network status LED indicators display normal token transmission.\u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077920874859,"sku":"CS1W-CLK23","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/CS1W-CLK23-piua4o1cxbe.png?v=1775733695","url":"https:\/\/www.plcprotech.com\/products\/omron-cs1w-clk23-cs1-series-controller-link-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}