{"product_id":"1794-ov32-allen-bradley-flex-i-o-digital-output-module-32-point","title":"1794-OV32 Allen-Bradley FLEX I\/O Digital Output Module 32-Point","description":"\u003ch3\u003e\u003cb\u003eTechnical Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003e1794-OV32\u003c\/strong\u003e is a high-density 32-point digital current-sinking output module engineered by \u003cstrong style=\"color: #0056b3;\"\u003eAllen-Bradley\u003c\/strong\u003e for the \u003cstrong style=\"color: #0056b3;\"\u003eFLEX I\/O\u003c\/strong\u003e distributed automation system. Designed for high-channel-count applications, this compact expansion card enables PLC\/PAC controllers to drive up to 32 discrete load circuits—such as DC solenoids, pilot lights, relays, and field actuators—from a single terminal base footprint.\u003c\/p\u003e\n\u003cp\u003eEngineered for open-type industrial mounting, the module operates smoothly across a temperature spectrum of 0°C to 55°C (32°F to 131°F) under Pollution Degree 2 and Overvoltage Category II conditions. Grounding and structural protection are maintained via a zinc-plated yellow chromate steel DIN rail interface, delivering maximum EMI immunity and mechanical stability in demanding manufacturing environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eElectrical Performance \u0026amp; High-Density Architecture\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e32-Point Sinking Discrete Topology\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eProvides 32 independently controlled current-sinking channels organized across field-side terminal channels.\u003c\/li\u003e\n\u003cli\u003eOptimized for low-DC load switching, maximizing control cabinet real estate without requiring multiple expansion racks.\u003c\/li\u003e\n\u003cli\u003eDesigned with CISPR 11 Group 1, Class A industrial emissions compliance for high electromagnetic compatibility.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Density Diagnostics \u0026amp; Visual Telemetry\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eFeatures 32 individual yellow LED field-side status indicators providing real-time visual monitoring for every channel.\u003c\/li\u003e\n\u003cli\u003eEnables rapid field-level verification of logic states, output energization, and channel switching without external meters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRugged Mechanical Construction\u003c\/b\u003e\n\u003cul\u003e\n\u003cli\u003eTolerates up to 30 g operating shock and 50 g non-operating shock, ideal for heavy machine skids.\u003c\/li\u003e\n\u003cli\u003eWithstands 5% to 95% non-condensing relative humidity across both storage (-40°C to 85°C) and operational states.\u003c\/li\u003e\n\u003cli\u003eSupports keyed terminal base alignment to prevent incorrect card placement during field replacement routines.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eCatalog Number\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong style=\"color: #0056b3;\"\u003e1794-OV32\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eManufacturer \u0026amp; Brand\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cstrong style=\"color: #0056b3;\"\u003eAllen-Bradley\u003c\/strong\u003e \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eProduct Line\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1794-flex-i-o\"\u003e\u003cstrong style=\"color: #0056b3;\"\u003eFLEX I\/O\u003c\/strong\u003e Series\u003c\/a\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eModule Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e32-Point Digital Current-Sinking Output Expansion Card\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNumber of Outputs\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e32 Channels (Sinking Configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eVisual Status Indicators\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e32 Yellow Channel Output Status LEDs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEmissions Classification\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eCISPR 11 Group 1, Class A Equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOvervoltage Category\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eOvervoltage Category II\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eEnvironmental Rating\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003ePollution Degree 2 (Open Equipment Enclosure Required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C to +55°C (32°F to +131°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eStorage Temperature\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C (-40°F to +185°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eOperating Shock \/ Vibration\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e30 g Operating Shock \/ 50 g Non-Operating Shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRelative Humidity\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% Non-Condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMounting Interface\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eTerminal Base Assembly on Zinc-Plated Chromate DIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cb\u003eDiagnostic Capabilities \u0026amp; Channel Telemetry\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eField-Side LED Matrix:\u003c\/b\u003e 32 yellow LEDs arranged on the front panel reflect real-time output states, making backplane-to-field signal tracing fast and clear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem Health Verification:\u003c\/b\u003e Controller communication status maps directly to backplane logic, helping engineers isolate network bus dropouts from field power wiring faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTerminal Base Keying:\u003c\/b\u003e Mechanical keyswitch configuration ensures correct module placement, guarding against electrical mismatch errors during routine maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eTarget Applications \u0026amp; Industrial Equipment\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Density Packaging \u0026amp; Material Handling:\u003c\/b\u003e Controls large arrays of pneumatic solenoid valves, sortation diverters, and optical indicators in automated distribution centers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eAutomotive Assembly Lines:\u003c\/b\u003e Manages discrete actuations across multi-station welding cells, robotic tooling nests, and conveyor transfer tables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOEM Machinery Manufacturing:\u003c\/b\u003e Provides compact, high-channel output density for plastic injection molding machines, automated cartoners, and printing presses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eInstallation \u0026amp; Cabinet Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEnclosure Requirement:\u003c\/b\u003e Must be mounted inside an appropriately rated IP54 or NEMA industrial enclosure to protect against dust, airborne debris, and moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eGrounding \u0026amp; DIN Rail Selection:\u003c\/b\u003e Secure terminal bases onto a zinc-plated yellow chromate steel DIN rail to maintain reliable protective grounding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTorque Specifications:\u003c\/b\u003e Adhere strictly to the screw torque requirements specified for the selected terminal base model to prevent contact fatigue or loose wire connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eGlobal Logistics \u0026amp; Warranty Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eExpress International Delivery:\u003c\/b\u003e Standard priority shipping dispatched globally via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eInventory Status:\u003c\/b\u003e 100% genuine, brand-new factory sealed units in stock and available for quick dispatch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e12-Month Coverage:\u003c\/b\u003e Backed by a full 12-month quality replacement warranty covering performance and hardware defects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eEngineering Selection \u0026amp; Sourcing Advice\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eVerify Sinking vs. Sourcing Logic:\u003c\/b\u003e Confirm that field loads require a current-sinking output configuration (switched to DC common) before specifying terminal wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTerminal Base Compatibility:\u003c\/b\u003e Select a compatible 32-point high-density terminal base (e.g., 1794-TB32 or 1794-TB32S) to accommodate all field wire terminations cleanly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Budget Assessment:\u003c\/b\u003e Calculate total field load current to ensure external DC power supplies and terminal base power rails operate within rated thermal limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What is the main operational difference between a sinking output card and a sourcing output card?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: A sinking module routes current from the connected load to the DC negative reference, whereas a sourcing module supplies current directly from the positive DC rail to the load.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Why does the module require an IP-rated outer enclosure despite its solid-state design?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Because it is rated as open equipment under Pollution Degree 2 standards, requiring protection against conductive dust, water ingress, and direct atmospheric hazards.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: How can maintenance technicians confirm that a specific output channel is receiving controller commands?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Check the front panel LED matrix; if the channel LED illuminates yellow, the module logic has successfully energized that output bit.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: What terminal base unit should be specified when planning a new installation for this card?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: High-density 32-point terminal bases such as the 1794-TB32 or 1794-TB32S are required to accommodate all 32 output channels and power commons.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eQ: Is it safe to perform panel maintenance on nearby equipment while this unit is operational?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, provided proper safety protocols are observed, as the module meets CISPR 11 Class A standards for industrial noise immunity and shock resistance up to 30 g.\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring a control panel upgrade at a high-speed beverage bottling plant, the engineering team needed to add 28 new pneumatic valve actuators to an existing control line. However, the existing enclosure had less than 10 inches of usable DIN rail space, making standard 8-point or 16-point output modules impractical due to spatial constraints.\u003c\/p\u003e\n\u003cp\u003eOur technical team recommended deploying the \u003cstrong style=\"color: #0056b3;\"\u003e1794-OV32\u003c\/strong\u003e high-density 32-point sinking output card paired with a 1794-TB32 terminal base. By replacing two older low-density cards with a single compact module, the plant achieved full valve control, freed up panel space for future expansion, and reduced wiring layout time by over 40%.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013813526710,"sku":"1794-OV32","price":175.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1794-OV32_f55c2a41-fd7a-42ca-9802-c88d0419b426.jpg?v=1789025456","url":"https:\/\/www.plcsparehub.com\/products\/1794-ov32-allen-bradley-flex-i-o-digital-output-module-32-point","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}