{"product_id":"emerson-ve4021-deltav-m-series-remote-interface-scanner-module","title":"Emerson VE4021 DeltaV M-Series Remote Interface Scanner Module","description":"\u003ch2\u003eEmerson VE4021 Remote Interface Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson VE4021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eVE4021\u003c\/strong\u003e Remote Interface Unit, operates as a dedicated hardware component for high-speed field signal aggregation and protocol translation within DeltaV M-series Zone 2 Remote I\/O network architectures.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\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\u003eVE4021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eRemote Interface Scanner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eDeltaV M-Series Zone 2 Remote I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e107 mm x 41 mm x 105 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnvironmental Rating\u003c\/td\u003e\n\u003ctd\u003eISA-S71.04-1985 Class G3 (Conformal Coated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply Source\u003c\/td\u003e\n\u003ctd\u003eVia 2-Wide Power\/Controller Carrier\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current\u003c\/td\u003e\n\u003ctd\u003e2.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFuse Protection\u003c\/td\u003e\n\u003ctd\u003e3.0 A non-replaceable internal fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePanel or Chassis Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeltaV System Integration \u0026amp; 4-20 mA HART Field Communications\u003c\/h3\u003e\n\u003cp\u003eThe Emerson VE4021 module interfaces directly with field-mounted instruments through the DeltaV backplane carrier assembly. When operating across distributed process networks, the unit manages digital data frames and 4-20 mA HART loop protocol pass-through signals without interrupting real-time control execution. Channel-to-channel isolation safeguards internal processor circuits from transient ground loops and differential voltage spikes commonly encountered in field wiring paths. Moreover, the integrated ISA-S71.04-1985 Class G3 conformal coating protects active semiconductor components against airborne corrosive contaminants, maintaining deterministic communication cycle times across harsh operational environments.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the Emerson VE4021 receive operational power within the carrier assembly?\u003c\/p\u003e\n\u003cp\u003eA: The module draws power directly from the 2-wide Power\/Controller Carrier backplane connector. It consumes up to 2.0 A of current and includes a non-replaceable 3.0 A internal fuse for overcurrent protection.\u003c\/p\u003e\n\u003cp\u003eQ: What physical isolation and environmental protections apply to the VE4021 scanner?\u003c\/p\u003e\n\u003cp\u003eA: The VE4021 features ISA-S71.04-1985 Class G3 conformal coating to protect internal circuitry against corrosive gases. It operates within a wide ambient temperature range of -40 to +70 deg C.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eTechnicians must verify all local electrical safety codes and hazardous area classifications prior to installing the Emerson VE4021 scanner in Zone 2 locations.\u003c\/p\u003e\n\u003cp\u003eFirst, ensure that primary power to the 2-wide Power\/Controller Carrier is switched off before inserting or removing the unit to prevent electrical arcing across backplane pins. Seat the module firmly onto the mounting slot until the mechanical retention latches click fully into place.\u003c\/p\u003e\n\u003cp\u003eSecond, maintain proper separation between field signal wiring and high-voltage AC power lines within the enclosure. Ground all cable shields at a single point according to system engineering standards to eliminate stray ground loop currents. Ensure that panel ventilation ports remain clear of obstructions to facilitate standard convective cooling.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43827390447715,"sku":"VE4021","price":370.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/21_1e0a39a3-83c2-4ac8-a534-da2fab7a5c37.jpg?v=1762737989","url":"https:\/\/www.autocontrolglobal.com\/products\/emerson-ve4021-deltav-m-series-remote-interface-scanner-module","provider":"AutoControl Global","version":"1.0","type":"link"}