{"product_id":"nt20s-st121b-v1-omron-programmable-terminal-nt-series","title":"NT20S-ST121B-V1 Omron Programmable Terminal NT Series","description":"\u003cp\u003eConfigured for real-time operator interface monitoring and parameter visualization in host PLC automation architectures, the \u003cstrong\u003eOmron NT20S-ST121B-V1\u003c\/strong\u003e (\u003cstrong\u003eNT20S\u003c\/strong\u003e Programmable Terminal) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eAlphanumeric Code \u0026amp; Configuration Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNT20S: Compact monochrome programmable operator terminal base framework\u003c\/li\u003e\n\u003cli\u003eST: Screen touch panel operator interface type\u003c\/li\u003e\n\u003cli\u003e121: RS-232C point-to-point host interface port configuration\u003c\/li\u003e\n\u003cli\u003eB: Black panel frame bezel housing scheme\u003c\/li\u003e\n\u003cli\u003eV1: Hardware version code featuring upgraded memory allocation and system firmware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOperational Ratings \u0026amp; Physical Parameters\u003c\/h3\u003e\n\u003cfigure class=\"table\"\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\u003eNT20S-ST121B-V1\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\u003e2.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e110 mm x 190 mm x 58 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInrush Current\u003c\/td\u003e\n\u003ctd\u003e3 A max.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Environment\u003c\/td\u003e\n\u003ctd\u003eNon-corrosive gases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSystem Integration \u0026amp; Bus Controller Interfacing\u003c\/h3\u003e\n\u003cp\u003eThe display terminal communicates via serial links with host PLC backplane structures. Firmware flash compatibility maintains deterministic network synchronization, preserving high backplane bus communication velocity Licences during cycle scans. Internal memory architecture allows steady screen mapping and continuous I\/O density scaling without disrupting real-time host controller task execution.\u003c\/p\u003e\n\u003ch3\u003eStandard Shipping Enclosure Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x NT20S-ST121B-V1 Programmable Terminal Base Assembly\u003c\/li\u003e\n\u003cli\u003e4 x Panel Mounting Brackets with Securing Screws\u003c\/li\u003e\n\u003cli\u003e1 x Waterproof Gasket for Enclosure Panel Seal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Instructions \u0026amp; Cabling Guidelines\u003c\/h3\u003e\n\u003ch4\u003eCutout Assembly \u0026amp; Panel Mounting\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrepare a clean rectangular enclosure panel cutout matching the specified 110 mm x 190 mm frame dimensions.\u003c\/li\u003e\n\u003cli\u003eInsert the terminal through the front opening and tighten all four rear mounting brackets evenly to establish an airtight seal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003ePower Connection \u0026amp; Grounding Directives\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eConnect regulated 24 VDC supply power to the designated terminal block, ensuring conductor size satisfies voltage drop limits.\u003c\/li\u003e\n\u003cli\u003eEstablish a direct ground connection from the terminal ground stud to a dedicated earth ground bus to suppress electrical noise.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Inquiry Resolutions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the rated input power requirement for the terminal?\u003c\/p\u003e\n\u003cp\u003eThe unit operates on a 24 VDC input supply voltage and consumes a maximum electrical power of 10 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow much peak inrush current occurs during cold startup?\u003c\/p\u003e\n\u003cp\u003eThe power power input circuitry generates a peak inrush current rated at 3 A maximum.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat environmental conditions are specified for operation?\u003c\/p\u003e\n\u003cp\u003eThe unit operates from 0 deg C to 50 deg C in atmospheres completely free of corrosive gas contaminants.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat physical serial interface port is provided on the module?\u003c\/p\u003e\n\u003cp\u003eHost serial communication relies on an onboard RS-232C port utilizing standard point-to-point protocol drivers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the terminal module be hot-swapped while energized?\u003c\/p\u003e\n\u003cp\u003eMain 24 VDC system power must be disconnected prior to removing or installing the operator terminal unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the front panel sealed against dust and moisture ingress?\u003c\/p\u003e\n\u003cp\u003eA continuous rubber mounting gasket secures the front bezel flush against the cutout frame during installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat temperature range is permissible for equipment storage?\u003c\/p\u003e\n\u003cp\u003eThe terminal withstands non-operational storage temperatures ranging between -20 deg C and 70 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are user screens flashed and stored on the device?\u003c\/p\u003e\n\u003cp\u003eScreen layouts and system firmware load into non-volatile internal flash memory via dedicated host software utilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Omron","offers":[{"title":"Default Title","offer_id":47306631479469,"sku":"NT20S-ST121B-V1","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/nt20s-st121b-v1_11.jpg?v=1790391019","url":"https:\/\/www.maxwellplc.com\/ga\/products\/nt20s-st121b-v1-omron-programmable-terminal-nt-series","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}