{"product_id":"allen-bradley-1756-ob16if-controllogix-fast-isolated-dc-output-module","title":"Allen-Bradley 1756-OB16IF ControlLogix Fast Isolated DC Output Module","description":"\u003cp\u003eThe 1756-OB16IF is a high-speed, digitally-isolated DC output module designed for the Allen-Bradley ControlLogix 1756 chassis platform. This module provides 16 independent sourcing output channels, enabling precise control for demanding industrial applications such as high-speed sorting, indexing, and synchronized motion control. With sub-millisecond response times and per-point isolation, it effectively manages complex electrical environments while protecting backplane components from field-side surges.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16 individually isolated digital DC sourcing output channels.\u003c\/li\u003e\n\u003cli\u003eFast execution speed with response transitions under 25 microseconds.\u003c\/li\u003e\n\u003cli\u003ePer-point electronic fusing for enhanced circuit protection and diagnostic feedback.\u003c\/li\u003e\n\u003cli\u003eSupports CIP Sync protocol for high-precision network synchronization.\u003c\/li\u003e\n\u003cli\u003eHot-swappable design allows for module replacement without interrupting system power.\u003c\/li\u003e\n\u003cli\u003eFront-panel LED indicators for real-time channel status and module health monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is engineered for high-performance automation tasks requiring rapid switching and electrical isolation, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-speed product sorting and packaging lines.\u003c\/li\u003e\n\u003cli\u003eAutomated assembly and indexing machinery.\u003c\/li\u003e\n\u003cli\u003eSynchronized cutting and motion-critical industrial processes.\u003c\/li\u003e\n\u003cli\u003eSystems requiring mixed-voltage DC power sources on a single I\/O card.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-OB16IF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e16 Points (Individually Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e10 to 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 25 microseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (Per Point)\u003c\/td\u003e\n\u003ctd\u003e2 A @ 30 degC, 1 A @ 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current (Per Module)\u003c\/td\u003e\n\u003ctd\u003e8 A @ 30 degC, 4 A @ 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Power\u003c\/td\u003e\n\u003ctd\u003e1.7 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V (Continuous)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible RTBs\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module.\u003c\/li\u003e\n\u003cli\u003eUse a compatible Removable Terminal Block (RTB) such as the 1756-TBCH or 1756-TBS6H for field wiring.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the chassis to ensure electromagnetic compatibility and safety.\u003c\/li\u003e\n\u003cli\u003eRoute signal wiring away from high-voltage power lines and sources of significant electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eVerify that the field power supply is within the 10-30 VDC range before energizing the output loops.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation in the cabinet to maintain operating temperatures within the 0 to 60 degC range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Does this module require a specific terminal block?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the 1756-OB16IF requires a 36-pin Removable Terminal Block (RTB). Compatible models include the 1756-TBCH (deep cage clamp) and 1756-TBS6H (spring clamp).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I use different voltages on the same module?\u003c\/strong\u003e\u003cbr\u003eA: Yes, because the 16 channels are individually isolated, you can connect independent DC power sources to different points on the same module without common-tie interference.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the default state of the outputs during a fault?\u003c\/strong\u003e\u003cbr\u003eA: The module is configured to default to the OFF state during a fault, though this can be programmed to Hold Last State or ON depending on your application requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43841004503130,"sku":"1756-OB16IF","price":89.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_965625f6-17e7-4877-a8f7-5a305a70ea74.jpg?v=1786647748","url":"https:\/\/www.spareoil.com\/products\/allen-bradley-1756-ob16if-controllogix-fast-isolated-dc-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}