{"product_id":"omron-cj1w-prm21-cj1-series-profibus-master-unit","title":"Omron CJ1W-PRM21 CJ1 Series PROFIBUS Master Unit","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eIntegrating PROFIBUS DP fieldbus networks into Omron PLCs is simplified with the \u003cstrong\u003eCJ1W-PRM21\u003c\/strong\u003e CPU Bus Unit. Designed for high-speed decentralized control, this module acts as a PROFIBUS DP-V1 Class 1 and Class 2 Master, enabling seamless data exchange between the host controller and decentralized field devices. This module mounts directly onto a CJ-series CPU Rack or Expansion Rack, and is also fully compatible with NJ-series Controller Units. Utilizing standard RS-485 physical layer communication with galvanic isolation, it ensures reliable signal integrity in challenging industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports both PROFIBUS DP and DP-V1 protocols (Class 1 and Class 2 Master functionality).\u003c\/li\u003e\n  \u003cli\u003eConfigurable node address range from 0 to 125 using network configuration software.\u003c\/li\u003e\n  \u003cli\u003ePhysical interface features a galvanically isolated RS-485 port with a standard 9-pin sub-D female connector.\u003c\/li\u003e\n  \u003cli\u003eAccommodates up to 16 master units per NJ-series controller system.\u003c\/li\u003e\n  \u003cli\u003eRotary switches on the front panel allow hardware assignment of CPU Bus Unit numbers from 0 to F Hex.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomated manufacturing and assembly lines.\u003c\/li\u003e\n  \u003cli\u003eProcess control and packaging systems.\u003c\/li\u003e\n  \u003cli\u003eWater and wastewater management infrastructure.\u003c\/li\u003e\n  \u003cli\u003eIntegration of multi-vendor field devices into Sysmac CJ1\/NJ control architectures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"text-align: left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOmron\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCJ1W-PRM21\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Classification\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCPU Bus Unit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Version\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3.0\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCompatible Mounting Positions\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eCPU Rack, Expansion Rack\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eApplicable Unit Numbers\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0 to F (Hex)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMaximum Units per NJ-series Controller\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e16\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Consumption\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e400 mA max at 5 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eApplicable Standards\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eEN50170, Volume 2\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePROFIBUS DP, PROFIBUS DP-V1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Types\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003ePROFIBUS DP-V1 Class 1 and Class 2 Master\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMedia Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRS-485, galvanically isolated from the CPU\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e9-pin sub-D female connector (#4\/40 UNC thread)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eTermination\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eAccording to EN50170, provided by the cable connector\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Device Address Range\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0 to 125 (set via configurator)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMaximum Slave Devices\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e125 (address range 0 to 125)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e3.1 x 9.0 x 6.5 cm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0.10 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 style=\"text-align: left;\"\u003eInterface Port\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003eConnection Details\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePROFIBUS Port\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e9-pin Sub-D female connector with #4\/40 UNC retention threads\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eUnit Address Switches\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eTwo rotary switches on the front panel for assigning hex addresses 0 to F\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 system power supply before mounting or removing the CPU Bus Unit.\u003c\/li\u003e\n  \u003cli\u003eSet the CPU Bus Unit number rotary switch to a unique value (0 to F Hex) before installation.\u003c\/li\u003e\n  \u003cli\u003eEnsure the module is securely locked into position on the CPU Rack or Expansion Rack.\u003c\/li\u003e\n  \u003cli\u003eUse only PROFIBUS-compliant shielded twisted-pair cables conforming to EN50170 Volume 2.\u003c\/li\u003e\n  \u003cli\u003eEnsure termination resistors are correctly engaged at the physical endpoints of the PROFIBUS network segment.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":53077914354027,"sku":"CJ1W-PRM21","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cj1w-prm21-jbpnetfmfxc.png?v=1775733538","url":"https:\/\/www.plcprotech.com\/ru\/products\/omron-cj1w-prm21-cj1-series-profibus-master-unit","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}