{"product_id":"emerson-kl3021x1-ba1-deltav-charm-analog-input-module","title":"Emerson KL3021X1-BA1 | DeltaV CHARM Analog Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL3021X1-BA1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCHARM module from Emerson is a field-mounted analog input interface designed for DeltaV distributed control systems. It supports standard 4–20 mA signals with integrated HART communication, enabling simultaneous process measurement and device diagnostics over a single pair of wires.\u003c\/p\u003e\n\u003cp\u003eBuilt for deployment in hazardous and demanding industrial environments, this module combines low power consumption with high noise immunity and robust environmental tolerance. It is typically installed within CHARM I\/O carriers, allowing flexible, point-based configuration and simplified system expansion.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModel:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eKL3021X1-BA1\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModule Type: Analog Input (AI) CHARM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal Range: 4–20 mA with HART protocol support\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInput Type: Single-ended current input with digital overlay (HART)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCHARM Bus Power: +6.3 VDC, 32 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eField Loop Supply: +24 VDC, 25 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIsolation: Channel-to-bus isolation (designed for safe field interfacing)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUpdate Rate: Suitable for standard process control loops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eEnvironmental \u0026amp; Mechanical Data\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating Temperature: –40 °C to +70 °C\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRelative Humidity: 5–95% RH, non-condensing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eShock Resistance: 10 g, 11 ms half-sine\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVibration Tolerance:\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e2–13.2 Hz: 1 mm displacement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e13.2–150 Hz: 0.7 g acceleration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli\u003e\n\u003cp\u003eContamination Rating: ISA-S71.04 Class G3 (harsh industrial environments)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWeight: 1.17 lbs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTerminal Key Code: 1A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eHazardous Area Certifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is approved for use in classified locations and supports multiple international standards:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eATEX: II 3G Ex nA [nL] IIC Gc \/ Ex ec [ic] IIC Gc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIECEx Certification\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFM Approved (Class I, Division 2, Groups A, B, C, D)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUKEX Compliance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDesigned for Zone 2 and Division 2 installations, the module must not be inserted or removed while energized unless the area is verified as non-hazardous.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eFunctional Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIntegrated HART pass-through for asset management systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePoint-based CHARM architecture simplifies I\/O design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEliminates the need for traditional marshalling cabinets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSupports hot-swappable CHARM carrier design (with safety restrictions)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh resistance to electrical noise and environmental interference\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOil and gas production and refining systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eChemical processing plants\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePharmaceutical manufacturing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAny installation requiring HART-enabled field instrumentation integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does this module support full HART communication or only pass-through?\u003c\/strong\u003e\u003cbr\u003eA: It supports HART pass-through, allowing asset management systems to access device diagnostics and configuration data while maintaining analog signal integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module power a 2-wire transmitter directly?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the integrated 24 VDC field supply is designed to support standard loop-powered transmitters within specified current limits.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this module interchangeable with other CHARM AI modules?\u003c\/strong\u003e\u003cbr\u003eA: It is functionally similar to other 4–20 mA CHARM inputs but must match the correct terminal block keying and system configuration.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43064919720026,"sku":"KL3021X1-BA1","price":178.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/KL3021X1-BA12.jpg?v=1773803264","url":"https:\/\/www.plcmasters.com\/fr\/products\/emerson-kl3021x1-ba1-deltav-charm-analog-input-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}