{"product_id":"1746-ov8-allen-bradley-slc-500-24vdc-output-module","title":"1746-OV8 Allen-Bradley SLC 500 24VDC Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1746-OV8\u003c\/strong\u003e \u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e \u003cstrong\u003eSLC 500\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e24VDC Output Module\u003c\/strong\u003e provides eight discrete current-sinking output channels grouped into a single common. Engineered for single-slot chassis integration, this hardware drives 10-50 VDC industrial loads with fast switching dynamics, robust thermal management, and reliable backplane communication across legacy control platforms.\u003c\/p\u003e\n\n\u003ch3\u003eConfiguration and Technical Parameters\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSpecification Parameter\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong\u003eTechnical Metric \/ Value\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eManufacturer \u0026amp; Brand\u003c\/td\u003e\n    \u003ctd\u003eRockwell Automation \/ Allen-Bradley\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCatalog Number \u0026amp; Series\u003c\/td\u003e\n    \u003ctd\u003e\n\u003cstrong\u003e1746-OV8\u003c\/strong\u003e (\u003cstrong style=\"color: #0056b3;\"\u003eSLC 500 Series\u003c\/strong\u003e)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eModule Type \u0026amp; Outputs\u003c\/td\u003e\n    \u003ctd\u003e24VDC Sinking Output Module (8 points in 1 group)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n    \u003ctd\u003e10 to 50 Volts DC sink\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eContinuous Output Current\u003c\/td\u003e\n    \u003ctd\u003e1.0 A per point \/ 8.0 A per module at 30°C; 0.5 A per point \/ 4.0 A per module at 60°C\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSurge Current Rating\u003c\/td\u003e\n    \u003ctd\u003e3.0 Amperes maximum for 10 milliseconds per point\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eSignal Propagation Delay\u003c\/td\u003e\n    \u003ctd\u003eON ≤ 0.1 ms; OFF ≤ 1.0 ms (resistive load)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eBackplane Current Consumption\u003c\/td\u003e\n    \u003ctd\u003e135 milliamps at 5 Volts DC (0 mA at 24 VDC)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003eCertifications \u0026amp; Thermal Limit\u003c\/td\u003e\n    \u003ctd\u003eUL\/C-UL Class I Div 2, CE, C-Tick; Max thermal dissipation 6.9 Watts\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation and Mechanical Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the \u003cstrong\u003e1746-OV8\u003c\/strong\u003e module directly into any available single slot of an SLC 500 chassis or local expansion rack. The front panel features color-coded removable terminal blocks with self-lifting pressure plates supporting up to two 14 AWG (2 mm²) wires per terminal, or quick-connect pre-wired cables paired with 1492 interface modules.\u003c\/p\u003e\n\n\u003ch3\u003eDebugging and Maintenance Convenience\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight: Front-panel LED status indicators offer immediate visual verification of individual output point energization. If an output channel fails to latch under load, check the 1 mA minimum load requirement and verify that operating temperatures do not exceed the derated 60°C threshold.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility and Environmental Standards\u003c\/h3\u003e\n\u003cp\u003eFully compatible with all standard SLC 500 modular processors and remote chassis racks, this unit carries Class I, Division 2 hazardous location certifications. It operates dependably in dry industrial environments enduring up to 30g operating shock and 95% non-condensing relative humidity.\u003c\/p\u003e\n\n\u003ch3\u003ePackage Contents, Warranty, and Logistics\u003c\/h3\u003e\n\u003cp\u003eThe shipment includes the \u003cstrong\u003e1746-OV8\u003c\/strong\u003e discrete output module and associated terminal blocks. Global PLC Spare HUB backs this industrial component with a solid 12-month warranty. All orders dispatch securely within 24 to 48 hours through trusted global carriers including FedEx, UPS, and DHL.\u003c\/p\u003e\n\n\u003ch3\u003eTarget Applications and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-speed solenoid valve actuation and pneumatic cylinder control\u003c\/li\u003e\n  \u003cli\u003eDC relay and contactor switching in automated assembly lines\u003c\/li\u003e\n  \u003cli\u003eDiscrete indicator lamp signaling and audible alarm driving\u003c\/li\u003e\n  \u003cli\u003eInterlock control management in localized machine skids\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSelection Guide and Engineering Advice\u003c\/h3\u003e\n\u003cp\u003eWhen engineering high-density 24VDC architectures, verify that total module current draw does not exceed 8.0 Amperes at 30°C. If ambient cabinet temperatures approach 60°C, apply the derated 4.0 Ampere total module limit to prevent thermal overload and premature component degradation.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why does a low-current LED indicator flicker when connected to this sinking output module?\u003c\/strong\u003e\u003cbr\u003e\nA: The 1746-OV8 requires a minimum load current of 1 mA; ultra-low-current LED indicators drawing less than this threshold may fail to turn off completely due to the 1 mA maximum off-state leakage current.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: How does ambient temperature variation impact the continuous current capacity per point?\u003c\/strong\u003e\u003cbr\u003e\nA: The continuous current rating halves from 1.0 Ampere at 30°C down to 0.50 Amperes at 60°C due to internal thermal accumulation limits within the single-slot enclosure.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can pre-wired 1492 interface cables be used to streamline multi-point cabinet wiring?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes, technicians can substitute traditional individual wire terminations with pre-wired cables linked to 1492 interface blocks to reduce wiring time and eliminate mis-termination errors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What protection is integrated to handle inductive kickback when driving DC solenoids?\u003c\/strong\u003e\u003cbr\u003e\nA: Users must install external flyback diodes across inductive DC loads like solenoids and relays to suppress voltage transients and protect the internal switching transistors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1746-OV8 draw any power from the 24V DC backplane bus rail?\u003c\/strong\u003e\u003cbr\u003e\nA: No, backplane current consumption is strictly 135 milliamps from the 5 Volts DC bus, drawing 0 mA from any internal 24V backplane source.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013910945974,"sku":"1746-OV8","price":125.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1746-OV8_7c98f859-4980-4546-a4cc-423f06d278b1.jpg?v=1785314673","url":"https:\/\/www.plcsparehub.com\/products\/1746-ov8-allen-bradley-slc-500-24vdc-output-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}