{"product_id":"emerson-deltav-ve4001s2t2b4-discrete-input-module","title":"Emerson DeltaV VE4001S2T2B4 32-Channel Discrete Input Module","description":"\u003cp\u003eThe Emerson DeltaV VE4001S2T2B4 is a high-density, 32-channel discrete input module engineered for integration within S-Series and M-Series automation systems. This module is specifically designed for dry contact sensing, providing 24 VDC excitation to monitor field-side devices such as relay contacts, pushbuttons, and limit switches. By centralizing 32 input channels into one compact card, it optimizes control cabinet real estate and streamlines wiring infrastructure in demanding industrial process environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Design:\u003c\/strong\u003e Supports 32 independent discrete input channels per module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Integrity:\u003c\/strong\u003e Integrated digital filtering suppresses contact bounce and mitigates electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Availability:\u003c\/strong\u003e Supports hot-swapping for maintenance without system shutdown and is compatible with redundant terminal blocks for high-availability configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostic Feedback:\u003c\/strong\u003e Front-facing LED indicators provide real-time visual status monitoring for each individual channel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Robustness:\u003c\/strong\u003e Rated for operation in harsh conditions, meeting ISA-S71.04-1985 Class G3 standards for airborne contaminants.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is frequently utilized in mission-critical automation sectors, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOil and gas extraction and refining facilities.\u003c\/li\u003e\n\u003cli\u003eChemical and petrochemical processing plants.\u003c\/li\u003e\n\u003cli\u003ePower generation and utility distribution systems.\u003c\/li\u003e\n\u003cli\u003eLarge-scale automated manufacturing lines requiring robust digital state monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eVE4001S2T2B4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003e32-Channel Discrete Input (Dry Contact)\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\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e5 mA nominal per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocalBus Power\u003c\/td\u003e\n\u003ctd\u003e12 VDC at 150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eField Power\u003c\/td\u003e\n\u003ctd\u003e24 VDC at 200 mA max\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\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent (Non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e250 VAC (Field-to-Logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP 20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e Always observe electrostatic discharge (ESD) precautions when handling the module to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the module is securely seated into the appropriate DeltaV carrier or terminal block before applying power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Requirements:\u003c\/strong\u003e Verify that field power and LocalBus power match the specified voltage ranges before commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded cabling for field inputs to maintain signal integrity in high-EMI environments. Ensure proper grounding of cable shields at the designated termination points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintenance:\u003c\/strong\u003e The module is hot-swappable; however, ensure the area is free of hazardous gases if the environment is classified as a hazardous zone before removing or inserting the module.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs this module compatible with older M-Series systems?\u003c\/strong\u003e Yes, the VE4001S2T2B4 is designed for use in both DeltaV S-Series and M-Series automation platforms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module support redundancy?\u003c\/strong\u003e Yes, when paired with a compatible redundant terminal block, this module supports redundant configurations to prevent single-point failures in critical loops.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the 24 VDC excitation?\u003c\/strong\u003e This voltage is provided by the module to the field-side dry contacts, allowing the card to detect whether a circuit is open or closed.\u003c\/p\u003e","brand":"Emerson","offers":[{"title":"Default Title","offer_id":43981781303386,"sku":"VE4001S2T2B4","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_2be26ef9-c051-4eb8-941d-e491fefd142a.jpg?v=1788230389","url":"https:\/\/www.spareoil.com\/ar\/products\/emerson-deltav-ve4001s2t2b4-discrete-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}