{"product_id":"1746-ovp16-allen-bradley-slc-500-output-module","title":"1746-OVP16 Allen-Bradley SLC 500 Output Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eAllen-Bradley 1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e is a high-current 16-channel digital DC sinking output module engineered for the SLC 500 programmable logic controller system. Operating across a 20.4 to 26.4 Vdc range, this module switches heavy industrial loads with a continuous rating of up to 1.5 A per output point (6.4 A total per module). The \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e provides reliable control for solenoids, actuators, relays, and indicators in automated process environments.\u003c\/p\u003e\n\u003cp\u003eDesigned for easy field wiring and maintenance, the module features color-coded Removable Terminal Blocks (RTBs), integrated circuit protection via a fused common, and an active blown-fuse LED status indicator. Backplane current consumption is minimal at 250 mA at 5 Vdc and 0 mA at 24 Vdc, optimizing rack power distribution across crowded SLC chassis layouts.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e16 High-Current Sinking Outputs:\u003c\/strong\u003e Drives up to 1.5 A continuous load per channel for demanding DC field devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntegrated Fuse Protection:\u003c\/strong\u003e Fused common circuit guards backplane circuitry against field-side short circuits.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRemovable Terminal Block (RTB):\u003c\/strong\u003e Simplifies module replacement without disconnecting individual field wires.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRapid Signal Switching:\u003c\/strong\u003e Ultra-fast response times (0.1 ms ON, 1.0 ms OFF signal delay) enable precise output timing.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiagnostic LED Array:\u003c\/strong\u003e Front-panel indicators display individual I\/O point status, processor health, and fuse fault conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial Immunity:\u003c\/strong\u003e Tested to withstand 30g operational shock and radiated RF noise up to 10 V\/m.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDetailed electrical, mechanical, and operational parameters for the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eAllen-Bradley 1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e are structured below:\u003c\/p\u003e\n\n\u003ctable border=\"1\" cellpadding=\"6\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003eCore Platform\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eManufacturer \u0026amp; Line\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cstrong\u003eAllen-Bradley\u003c\/strong\u003e \/ Rockwell Automation (SLC 500 Series)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePart Number \u0026amp; UPC\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e (UPC: 662468299053)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Category\u003c\/td\u003e\n      \u003ctd\u003eDigital DC Output Module (Current Sinking Configuration)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"4\"\u003e\u003cstrong\u003eElectrical Characteristics\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e20.4 to 26.4 Vdc sinking mode\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Capacity\u003c\/td\u003e\n      \u003ctd\u003e1.5 A max per output @ 30 °C; 6.4 A max per module; 4 A surge for 10 ms\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Power Draw\u003c\/td\u003e\n      \u003ctd\u003e250 mA @ 5 Vdc; 0 mA @ 24 Vdc (Thermal Dissipation: 6.26 W max)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOn-State Drop \u0026amp; Leakage\u003c\/td\u003e\n      \u003ctd\u003e1.0 Vdc max drop @ 1 A; 1.0 mA max OFF-state leakage current\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"3\"\u003e\u003cstrong\u003ePerformance \u0026amp; Timing\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eSignal Propagation Delay\u003c\/td\u003e\n      \u003ctd\u003eON-state: \u0026lt;0.1 ms; OFF-state: \u0026lt;1.0 ms (Step response: 60 ms IN, 2.5 ms OUT)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eIsolation \u0026amp; Noise Immunity\u003c\/td\u003e\n      \u003ctd\u003eRadiated RF: 10 V\/m (30-2000 MHz), 1 V\/m (2000-2700 MHz)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Environment\u003c\/td\u003e\n      \u003ctd\u003e0 °C to +60 °C (32 °F to 140 °F); 30g operating shock limit\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd rowspan=\"2\"\u003e\u003cstrong\u003ePhysical Features\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eWiring Connection Type\u003c\/td\u003e\n      \u003ctd\u003eColor-coded Removable Terminal Block (RTB) with 16 output points\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Weight \u0026amp; Form\u003c\/td\u003e\n      \u003ctd\u003e0.44 lbs (0.20 kg); Standard SLC 1746 single-slot chassis footprint\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cstrong\u003eTarget Equipment and Application Scenarios\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHeavy-duty 24 Vdc industrial solenoid valves requiring current loads up to 1.5 A per point.\u003c\/li\u003e\n  \u003cli\u003eDC motor starters, contactors, and high-power indicator lamp banks across automated assembly lines.\u003c\/li\u003e\n  \u003cli\u003ePackaging, material handling, and stamping equipment utilizing current-sinking DC field logic.\u003c\/li\u003e\n  \u003cli\u003eRetrofit maintenance for legacy SLC 500 racks in automotive, food \u0026amp; beverage, and chemical processing facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDiagnostic Capabilities and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eAllen-Bradley 1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e features built-in hardware diagnostics to accelerate troubleshooting on the shop floor. An integrated blown-fuse LED instantly alerts technicians when a field short or overcurrent event trips the common fuse. Additionally, front-panel LEDs display individual I\/O point states and processor communications, automatically de-energizing all output points if a CPU error occurs to prevent unsafe machine operation.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWhen selecting the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e, verify whether your field sensors and actuators require current sinking (OVP) or current sourcing (OBP) logic. Sinking outputs connect the field load to ground (0 Vdc), which differs from standard sourcing modules that supply +24 Vdc directly to the load.\u003c\/p\u003e\n\n\u003cp\u003eAlways perform load thermal derating when operating in high-temperature enclosures. While each output handles 1.5 A, the entire module is capped at 6.4 A continuous total. If you drive multiple high-current solenoids simultaneously, distribute high-amperage loads across separate output channels or adjacent modules to avoid exceeding thermal limits.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eCompliance, Shipping, and Warranty Terms\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1 x New factory-sealed \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003eAllen-Bradley 1746-OVP16\u003c\/strong\u003e\u003c\/span\u003e digital output module with removable terminal block.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWarranty Coverage:\u003c\/strong\u003e Backed by a full 12-month factory replacement warranty starting from the purchase invoice date.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eExpress Global Courier:\u003c\/strong\u003e Fast dispatch within 24-48 hours via leading global carriers including FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What is the operational difference between sinking and sourcing output modules in the SLC 500 series?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAnswer: Sinking modules pull load current to ground (0 Vdc return), whereas sourcing modules supply positive DC voltage (+24 Vdc) directly to the external field device.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: How can maintenance personnel quickly identify a blown fuse condition on this hardware?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAnswer: The module features a dedicated blown-fuse LED on the front display panel that illuminates immediately when an overcurrent trip interrupts the common fuse line.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I wire high-inrush inductive loads directly to this DC output unit?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAnswer: Yes, each point supports up to 4 A peak surge current for 10 ms, but installing external flyback suppression diodes across heavy inductive coils is recommended to maximize relay life.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: Is it necessary to power down the entire PLC chassis when replacing field wiring on this unit?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAnswer: No, the color-coded Removable Terminal Block allows field wiring replacement without unscrewing individual terminals, though disconnecting field power during wiring is best safety practice.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQuestion: What occurs to the field outputs if the CPU processor encounters a fatal fault?\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eAnswer: The hardware safety logic automatically drops backplane communication, extinguishes the active status lights, and forces all 16 output points into an OFF state.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013984739510,"sku":"1746-OVP16","price":134.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1746-OVP16_e68770dc-e55c-4d72-a74a-95910bf9bd21.jpg?v=1785138542","url":"https:\/\/www.plcsparehub.com\/products\/1746-ovp16-allen-bradley-slc-500-output-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}