{"product_id":"emerson-ve4021-deltav-m-series-remote-i-o-scanner","title":"Emerson VE4021 DeltaV M-Series Remote I\/O Scanner","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson VE4021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eVE4021\u003c\/strong\u003e Remote I\/O Scanner, operates as a dedicated hardware component for remote I\/O bus scanning and communication processing within DeltaV distributed control system platforms.\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 (DeltaV)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States (USA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eRemote I\/O Scanner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eM-Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Form Factor\u003c\/td\u003e\n\u003ctd\u003ePlug-in module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Ports\u003c\/td\u003e\n\u003ctd\u003e8-pin RJ-45 Ethernet\/Scanner Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e2.0 to 3.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e4.54 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Area Certification\u003c\/td\u003e\n\u003ctd\u003eATEX Zone 2 \/ Class I Division 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e2.00 kg (4.41 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Communication and Diagnostic Performance\u003c\/h3\u003e\n\u003cp\u003eThe VE4021 remote scanner establishes high-speed communication routing between distributed I\/O carriers and central DeltaV controllers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet and Ethernet\/IP Bus Compatibility:\u003c\/strong\u003e Utilizes a dedicated 8-pin RJ-45 port interface to stream sub-millisecond status packets to and from remote M-Series I\/O chassis over industrial networks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Protection Boundaries:\u003c\/strong\u003e Features complete electrical isolation between internal processing logic and the external RJ-45 communications lines, preventing industrial network noise from compromising backplane stability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZone 2 Safety Design:\u003c\/strong\u003e Engineered with non-arcing physical component seals and temperature-regulated logic gates, enabling continuous, unpurged mounting within Zone 2 and Class I Division 2 hazardous environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the VE4021 Remote I\/O Scanner be swapped under power in a Zone 2 environment?\u003c\/p\u003e\n\u003cp\u003eA: No. While the module supports physical hot-swap removal from the carrier backplane under normal operating conditions, live swap-outs are strictly prohibited in hazardous Zone 2 environments unless the area is verified to be non-hazardous (gas-free).\u003c\/p\u003e\n\u003cp\u003eQ: What is the functional purpose of the integrated 8-pin RJ-45 connector?\u003c\/p\u003e\n\u003cp\u003eA: The port serves as the primary physical gateway linking the remote I\/O scanner to the active system network. It handles diagnostic, output, and input field-state packet streaming with the upstream controller.\u003c\/p\u003e\n\u003cp\u003eQ: How does the scanner indicate loss of communication with the primary controller?\u003c\/p\u003e\n\u003cp\u003eA: The front panel includes dedicated hardware status indicators. If connection is lost, the Active LED turns off and the Error indicator flashes red, prompting the downstream digital and analog output modules to execute pre-configured fail-safe states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRJ-45 Connection Protocol:\u003c\/strong\u003e Use only shielded Category 5e (or higher) industrial Ethernet cabling terminated with high-integrity RJ-45 metal-housed connectors to guarantee proper system grounding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Insertion Pressure:\u003c\/strong\u003e Press the module firmly onto the designated I\/O carrier socket until the upper and lower mechanical clips click and lock into place, confirming full backplane engagement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Bend Clearances:\u003c\/strong\u003e Maintain at least 75 mm (3.0 in) of routing clearance for the network communication cables connected to the RJ-45 port to prevent dynamic signal loss from excessive cable strain.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDIN-Rail Earthing Verification:\u003c\/strong\u003e Securely connect the metallic carrier DIN-rail to the protective earth ground bar using a copper conductor of at least 4.0 mm square (11 AWG) to ensure noise suppression.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EMERSON","offers":[{"title":"Default Title","offer_id":48170711023806,"sku":"VE4021","price":650.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/VE4021_7cb96841-50dd-4549-a30c-1ec958a23b71.png?v=1784280409","url":"https:\/\/www.autooiltech.com\/ar\/products\/emerson-ve4021-deltav-m-series-remote-i-o-scanner","provider":"AutoOilTech Limited","version":"1.0","type":"link"}