{"product_id":"emerson-ss4301t02-ls-digital-input-charm","title":"Emerson SS4301T02 LS Digital Input CHARM","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEmerson SS4301T02\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a Logic Solver (LS) Digital Input CHARM module for DeltaV™ Electronic Marshalling. It monitors 24V DC dry contact signals from field devices such as switches, sensors, and relays. This compact, plug-and-play module simplifies system integration and supports pulse counting and precise event time stamping. It ensures reliable signal detection while maintaining galvanic isolation between field circuits and the control system.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSS4301T02\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eLS Digital Input CHARM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Signal Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e24V DC dry contact\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSingle-channel CHARM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Voltage Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e18–30V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Current:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically \u0026lt;2 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGalvanic isolation between field and system\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePulse Counter Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, supports 75–120 Hz pulse counting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTime Stamping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eControl module-level; optional Sequence-of-Events ±0.25 ms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMounting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePlugs into CHARMs baseplate (DeltaV system)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-40°C to +70°C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHumidity Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e5% to 95% RH (non-condensing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDetection Level for On:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt;2.25 mA (\u0026lt;5.3 kΩ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDetection Level for Off:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt;1.75 mA (\u0026gt;8.2 kΩ)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChannel Impedance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e4.8 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWetting Voltage:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e22.5V ±5%, current limited to 12.5 mA nominal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eField Circuit Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12.5 mA current limiting, field wiring disconnect\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCHARM Power Requirement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e18 mA max @ 24 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCHARM Heat Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0.33 W\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault Detection Capable:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eShort circuit \u0026lt;100 Ω; good status 400 Ω–40 kΩ; open circuit \u0026gt;75 kΩ\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConfigurable Channel Type:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDry contact or discrete state sensor (\u0026lt;2 Hz)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":42330897973338,"sku":"SS4301T02","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/SS4301T02.jpg?v=1758622964","url":"https:\/\/www.plcmasters.com\/de\/products\/emerson-ss4301t02-ls-digital-input-charm","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}