{"product_id":"allen-bradley-1756-ob16d-diagnostic-output-module","title":"Allen-Bradley 1756-OB16D ControlLogix 16-Point 24V DC Diagnostic Output Module","description":"\u003cp\u003eThe Allen-Bradley 1756-OB16D is a high-performance diagnostic digital output module designed for the ControlLogix platform. This module provides 16 points of 24V DC source output, specifically engineered for applications requiring reliable diagnostic monitoring to identify field-side faults such as open-wire or short-circuit conditions.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-point diagnostic output capability for advanced system monitoring.\u003c\/li\u003e\n\u003cli\u003e24V DC source output configuration.\u003c\/li\u003e\n\u003cli\u003eComprehensive diagnostic feedback to detect output status and field wiring integrity.\u003c\/li\u003e\n\u003cli\u003eIntegrated power dissipation management for reliable operation in industrial environments.\u003c\/li\u003e\n\u003cli\u003eDirect compatibility with the ControlLogix backplane for seamless integration.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDiagnostic Digital Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e19.2 to 30V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (5V)\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current (24V)\u003c\/td\u003e\n\u003ctd\u003e140 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Power Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.3 Watts at 60 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current (per point)\u003c\/td\u003e\n\u003ctd\u003e2 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Points\u003c\/td\u003e\n\u003ctd\u003e16\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 1756-OB16D module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is fully seated in the chassis slot and secured using the top and bottom latching mechanisms.\u003c\/li\u003e\n\u003cli\u003eUse appropriate shielded cabling for field wiring to minimize electromagnetic interference (EMI) in high-noise industrial environments.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the control cabinet to ensure ambient temperatures remain within the specified operating range.\u003c\/li\u003e\n\u003cli\u003eAlways adhere to local electrical codes and grounding practices when connecting field devices to the module terminals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the diagnostic feature on this module?\u003c\/strong\u003e\u003cbr\u003eThe diagnostic feature allows the controller to detect specific fault conditions such as load loss, short circuits, or open-wire scenarios, providing real-time feedback to the PLC program for enhanced troubleshooting.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan I use this module in any ControlLogix chassis?\u003c\/strong\u003e\u003cbr\u003eYes, the 1756-OB16D is compatible with standard Allen-Bradley ControlLogix I\/O chassis, provided the chassis has sufficient power supply capacity for the module's backplane current requirements.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43995895496794,"sku":"1756-OB16D","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_5c031d3a-10e7-4b00-8855-af0ed0804596.jpg?v=1788296691","url":"https:\/\/www.spareoil.com\/es\/products\/allen-bradley-1756-ob16d-diagnostic-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}