{"product_id":"cs1w-ct021-omron-high-speed-counter-unit-sysmac-cs1-series","title":"CS1W-CT021 Omron High-Speed Counter Unit SYSMAC CS1 Series","description":"\u003cp\u003eThe \u003cstrong\u003eOmron CS1W-CT021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCS1W-CT021\u003c\/strong\u003e High-Speed Counter Unit, operates as a dedicated hardware component for high-frequency pulse counting and position feedback processing within SYSMAC CS1-series platforms.\u003c\/p\u003e\n\u003ch3\u003eModule Designation and Channel Architecture\u003c\/h3\u003e\n\u003cp\u003eThe CS1W-CT021 belongs to the SYSMAC CS1 high-speed counter family. The designation CS1W identifies CS1 series expansion cards, while CT021 specifies a 2-channel high-speed pulse input interface operating via the internal 5 VDC backplane bus rail to process encoder quadrature signals directly into CPU memory registers.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance Matrix\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\u003eCS1W-CT021\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\u003e0.25kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e13.0 x 3.5 x 10.1 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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to 75 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.8 W (360 mA at 5 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInternal Current Consumption\u003c\/td\u003e\n\u003ctd\u003e360 mA at 5 VDC (via backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e10 to 90% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eSYSMAC CS1 Series PLC racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Integration and System Execution\u003c\/h3\u003e\n\u003cp\u003eThe high-speed counter card maintains high backplane bus communication velocity across the CPU rack structure to enable real-time encoder tally transmission. High-density pulse logging maximizes overall I\/O density scaling while hardware firmware flash compatibility ensures synchronized scan execution and register mapping across CS1 system rack configurations.\u003c\/p\u003e\n\u003ch3\u003eShipping Package Content\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Omron CS1W-CT021 High-Speed Counter Unit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation and Wiring Instructions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off all backplane power supplies before locking the unit into the CS1 CPU rack or expansion slot.\u003c\/li\u003e\n\u003cli\u003eRun differential encoder signal lines in shielded twisted-pair cables separated from high-voltage motor cables.\u003c\/li\u003e\n\u003cli\u003eEarth the cable shields at a single ground bus bar near the rack chassis to mitigate noise corruption.\u003c\/li\u003e\n\u003cli\u003eAlign the bottom hook of the card with the rack guide track before pushing the top latch home securely.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the internal backplane current draw for the CS1W-CT021 module?\u003c\/p\u003e\n\u003cp\u003eThe module draws 360 mA at 5 VDC directly from the internal backplane power supply rail.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat operating temperature range is supported by the CS1W-CT021 card?\u003c\/p\u003e\n\u003cp\u003eThe card operates continuously in ambient panel temperatures ranging from 0 to 55 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the CS1W-CT021 be inserted or removed while backplane power is active?\u003c\/p\u003e\n\u003cp\u003eNo, hot-swapping is strictly prohibited; the PLC backplane supply must be de-energized prior to removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the CS1W-CT021 impact the backplane 5 VDC power budget?\u003c\/p\u003e\n\u003cp\u003eThe unit allocates a 1.8 W power budget load (360 mA at 5 VDC) on the main rack power supply unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat storage temperature limits must be observed for unused inventory?\u003c\/p\u003e\n\u003cp\u003eUninstalled modules must be stored in ambient conditions between -20 and 75 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat humidity range is permitted during continuous industrial operation?\u003c\/p\u003e\n\u003cp\u003eThe unit functions within 10% to 90% relative humidity, provided no moisture condensation occurs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the CS1W-CT021 require external power for internal logic processing?\u003c\/p\u003e\n\u003cp\u003eInternal logic functions draw power directly from the 5 VDC backplane; field inputs require isolated field power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich PLC system racks are directly compatible with this counter card?\u003c\/p\u003e\n\u003cp\u003eThe card installs directly into standard Omron SYSMAC CS1-series CPU racks and expansion racks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306676142253,"sku":"CS1W-CT021","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/omron_cs1w-ct021_3.jpg?v=1789450309","url":"https:\/\/www.maxwellplc.com\/products\/cs1w-ct021-omron-high-speed-counter-unit-sysmac-cs1-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}