{"product_id":"allen-bradley-1756-ob16dk-controllogix-diagnostic-dc-output-module","title":"Allen-Bradley 1756-OB16DK ControlLogix Diagnostic DC Output Module","description":"\u003ch2\u003eAllen-Bradley 1756-OB16DK ControlLogix Diagnostic DC Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OB16DK\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-OB16DK\u003c\/strong\u003e Diagnostic DC Output Module, operates as a dedicated hardware component for discrete DC signal execution and fault monitoring within ControlLogix chassis platforms. It provides 16 point sourcing outputs with diagnostic feedback for 24 VDC field devices.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-OB16DK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eDiagnostic DC Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Configuration\u003c\/td\u003e\n\u003ctd\u003e16 point diagnostic digital outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e24 VDC sourcing output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage Range\u003c\/td\u003e\n\u003ctd\u003e19.2-30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Current per Point\u003c\/td\u003e\n\u003ctd\u003e2 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Module Current\u003c\/td\u003e\n\u003ctd\u003e8 A at 30 deg C; 4 A at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 5 V\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current at 24 V\u003c\/td\u003e\n\u003ctd\u003e140 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.3 W maximum at 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminal Block Compatibility\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H removable terminal blocks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eControlLogix rack mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP and ControlLogix I\/O Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OB16DK integrates into the ControlLogix I\/O architecture through the chassis backplane communication path. The module supports deterministic controller-to-I\/O data exchange and provides diagnostic status data for output channel monitoring. Firmware compatibility with ControlLogix platforms allows configuration through Studio 5000 Logix Designer.\u003c\/p\u003e\n\u003cp\u003eThe diagnostic output structure supports detection of field wiring conditions and output-related faults. I\/O density scaling within ControlLogix chassis configurations allows multiple output modules to be combined for expanded discrete control requirements.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What type of output signals does the 1756-OB16DK provide?\u003cbr\u003eA: The module provides 16 point 24 VDC sourcing digital outputs with diagnostic monitoring functions.\u003c\/p\u003e\n\u003cp\u003eQ: What backplane power requirements apply to the module?\u003cbr\u003eA: The module requires 250 mA at 5 V backplane power and 140 mA at 24 V backplane power.\u003c\/p\u003e\n\u003cp\u003eQ: Can the output module be installed in any ControlLogix chassis slot?\u003cbr\u003eA: The module is installed as a rack-mounted ControlLogix I\/O module. Slot configuration must follow the controller and chassis system design rules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module in a compatible ControlLogix chassis with the correct keying and terminal block configuration. Verify that field wiring polarity, output voltage range, and load current requirements match the module specifications before energizing the circuit.\u003c\/p\u003e\n\u003cp\u003eRoute DC output wiring separately from high-voltage AC conductors and high-noise power cables where applicable. Use proper shielding and grounding practices for control cabinet wiring to reduce electrical interference. Confirm terminal block seating and backplane connection integrity during installation and maintenance procedures.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43618044837978,"sku":"1756-OB16DK","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-OB16DK2.jpg?v=1783497555","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-ob16dk-controllogix-diagnostic-dc-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}