{"product_id":"allen-bradley-1756-ob16is-controllogix-digital-output-module","title":"Allen-Bradley 1756-OB16IS ControlLogix Digital Output Module","description":"\u003cp\u003eConfigured for high-speed digital actuation in ControlLogix platforms, the \u003cstrong\u003eAllen-Bradley 1756-OB16IS\u003c\/strong\u003e (\u003cstrong\u003e1756-OB16IS\u003c\/strong\u003e Digital Output Module) provides direct physical\/electrical execution of isolated DC output switching within CIPSync synchronized networks.\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\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\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-OB16IS\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\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard ControlLogix chassis module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003ePer ControlLogix environmental standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane rail supply \/ 10-30 VDC field power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Points\u003c\/td\u003e\n\u003ctd\u003e16 point isolated outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e36-pin connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eI\/O Density Scaling and Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1756-OB16IS\u003c\/strong\u003e module manages I\/O density scaling by offering 16 individually isolated output channels, suitable for high-density control requirements in automated drive assemblies. The module is engineered for integration within CIPSync architectures, ensuring sub-millisecond deterministic timing across the backplane bus. Firmware flash compatibility is supported via the ControlLogix studio environment, allowing for precise module configuration and real-time state monitoring. The isolated circuit design minimizes cross-channel interference, providing robust electrical separation during simultaneous switching operations. Proper module function is contingent upon backplane communication velocity settings that align with the master controller's scan cycle.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the 1756-OB16IS module compatible with non-isolated ControlLogix bases?\u003c\/p\u003e\n\u003cp\u003eA: The module is designed for the ControlLogix chassis environment. While it occupies a standard slot, the isolated wiring requirements must be met at the 36-pin terminal interface to maintain channel-to-channel isolation.\u003c\/p\u003e\n\u003cp\u003eQ: What is the requirement for CIPSync architecture?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes CIPSync to provide time-stamped data and deterministic coordination. The host controller and network must be configured to support time-synchronization protocols to enable the full feature set of this module.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Connector\u003c\/strong\u003e: Ensure the 36-pin connector is fully seated and the housing is locked into the module. Utilize proper wire ferrules to prevent fraying at the connection points.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: Terminate the signal return paths according to the isolation specifications. Avoid common-mode ground loops by ensuring the DC supply ground is referenced appropriately to the isolation boundaries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Seating\u003c\/strong\u003e: Align the module with the chassis guide rails. Push evenly until the top and bottom latches click, ensuring the backplane pins are fully engaged.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eField Power\u003c\/strong\u003e: Apply 10-30 VDC field power to the module only after confirming the wiring polarity. Reversed polarity on the isolated DC inputs can trigger fault states.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat Dissipation\u003c\/strong\u003e: Maintain a minimum clearance of 5 cm above and below the chassis in the control cabinet to allow for natural convective cooling of the module's electronic components.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53627434336440,"sku":"1756-OB16IS","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1756-OB16I_7e7aa653-e6bf-4064-8363-20c7f14c27ab.jpg?v=1782467958","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1756-ob16is-controllogix-digital-output-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}