{"product_id":"omron-cj1w-crm21-cj-series-componet-master-unit","title":"Omron CJ1W-CRM21 CJ Series CompoNet Master Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eDesigned for high-speed bus communication within the CJ-series PLC platform, the \u003cstrong\u003eCJ1W-CRM21\u003c\/strong\u003e establishes a robust interface between control systems and decentralized I\/O devices over CompoNet networks. Operating as a dedicated CJ-series Special I\/O Unit, this master module facilitates rapid data transfer with distributed sensors, actuators, and remote terminals to minimize processing overhead at the CPU level.\u003c\/p\u003e\n\n\u003cp\u003eThe module mounts directly onto the PLC backplane, drawing internal power directly from the system's power supply unit. For external field communication, it features an integrated communications power supply connector capable of supporting high current capacities, complete with built-in real-time power monitoring to flag voltage or connection anomalies immediately.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSeamless integration as a Special I\/O Unit on the CJ-series PLC backplane.\u003c\/li\u003e\n  \u003cli\u003eBuilt-in communications power supply ON\/OFF monitoring directly at the interface connector.\u003c\/li\u003e\n  \u003cli\u003eRobust noise immunity designed to withstand transient industrial disturbances.\u003c\/li\u003e\n  \u003cli\u003eHigh-capacity power throughput for external communication networks.\u003c\/li\u003e\n  \u003cli\u003eSolid-state, shock-resistant architecture optimized for harsh production environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDistributed sensor and actuator networks in manufacturing environments.\u003c\/li\u003e\n  \u003cli\u003eMaterial handling and high-speed conveyor systems.\u003c\/li\u003e\n  \u003cli\u003ePackaging machinery and automated assembly lines.\u003c\/li\u003e\n  \u003cli\u003eGeneral industrial machine control requiring fast remote I\/O response times.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eManufacturer\u003c\/strong\u003e\n      \u003ctd\u003eOmron\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\n      \u003ctd\u003eCJ1W-CRM21\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eUnit Classification\u003c\/strong\u003e\n      \u003ctd\u003eCJ-series Special I\/O Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\n      \u003ctd\u003e400 mA max. at 5 VDC (supplied from Power Supply Unit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCommunications Power Connector Capacity\u003c\/strong\u003e\n      \u003ctd\u003e5 A max. (allowable current capacity)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCommunications Power Monitoring\u003c\/strong\u003e\n      \u003ctd\u003eON\/OFF status detection at the communications power supply connector\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eNoise Immunity\u003c\/strong\u003e\n      \u003ctd\u003eConforms to IEC 61000-4-4, 2 kV (applied to power supply)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eShock Resistance\u003c\/strong\u003e\n      \u003ctd\u003e196 m\/s2 (3 times each in X, Y, and Z directions)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eAmbient Operating Temperature\u003c\/strong\u003e\n      \u003ctd\u003e0 to 55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eDimensions (L x W x H)\u003c\/strong\u003e\n      \u003ctd\u003e8.0 cm x 3.1 cm x 9.7 cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eWeight\u003c\/strong\u003e\n      \u003ctd\u003e0.13 kg\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInterface Type\u003c\/th\u003e\n      \u003cth\u003eFunction \/ Description\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eBackplane Connector\u003c\/strong\u003e\n      \u003ctd\u003eDirect connection to Omron CJ-series system bus\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003cstrong\u003eCommunications Power Connector\u003c\/strong\u003e\n      \u003ctd\u003eInterface for external network power with built-in voltage monitoring (5 A max.)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eTurn off the PLC system power supply before mounting or removing the module from the CJ-series backplane.\u003c\/li\u003e\n  \u003cli\u003eVerify that the external communications power supply connected to the interface does not exceed the 5 A maximum allowable current capacity.\u003c\/li\u003e\n  \u003cli\u003eEnsure proper grounding and shielding of the CompoNet network cables to maintain the specified IEC 61000-4-4 noise immunity standards.\u003c\/li\u003e\n  \u003cli\u003eMaintain adequate clearance around the unit to ensure natural ventilation and prevent operating temperatures from exceeding 55 degC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eIEC 61000-4-4 (Electromagnetic Compatibility - Electrical Fast Transient\/Burst Immunity)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077909537131,"sku":"CJ1W-CRM21","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj1w-crm21-algge4wxeum.png?v=1775733497","url":"https:\/\/www.plcprotech.com\/tr\/products\/omron-cj1w-crm21-cj-series-componet-master-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}