{"product_id":"allen-bradley-1756-of8-a-controllogix-analog-output-module","title":"Allen-Bradley 1756-OF8\/A ControlLogix Analog Output Module","description":"\u003ch2\u003eAllen-Bradley 1756-OF8\/A ControlLogix Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OF8\/A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-OF8\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for configurable analog signal generation within ControlLogix I\/O platforms. The module provides eight voltage or current output channels with 15-bit resolution, signal scaling functions, and backplane communication through the ControlLogix chassis.\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-OF8\/A\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e1 slot width\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\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.8 W backplane power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eControlLogix Bulletin 1756 I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n\u003ctd\u003e8 analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eVoltage or current\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Output Range\u003c\/td\u003e\n\u003ctd\u003e-10 VDC to +10 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Output Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Resolution\u003c\/td\u003e\n\u003ctd\u003e650 nA\/bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Resolution\u003c\/td\u003e\n\u003ctd\u003e320 uV\/bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy at 25 deg C\u003c\/td\u003e\n\u003ctd\u003eBetter than 0.05% of range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSettling Time\u003c\/td\u003e\n\u003ctd\u003eLess than 2 ms to 95% of final value\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Drive Capability\u003c\/td\u003e\n\u003ctd\u003eGreater than 2000 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Drive Capability\u003c\/td\u003e\n\u003ctd\u003e0-750 ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw at 5.1 V\u003c\/td\u003e\n\u003ctd\u003e150 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw at 24 V\u003c\/td\u003e\n\u003ctd\u003e210 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e16.78 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e250 V continuous, channels-to-backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003e24 VDC overvoltage protection, short-circuit limited to 21 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eControlLogix Analog Signal Processing and Communication\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OF8\/A operates within the ControlLogix architecture using backplane bus communication for controller-to-module data exchange. The module supports analog output scaling with configurable voltage and current signal modes for interfacing with proportional actuators, valves, and instrumentation devices.\u003c\/p\u003e\n\u003cp\u003eThe ControlLogix platform supports I\/O density scaling through multi-slot chassis configurations. Firmware flash compatibility allows module lifecycle management within supported controller environments. The analog output channels provide independent signal generation with engineering unit configuration and diagnostic monitoring functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What analog output signals are supported by the 1756-OF8\/A?\u003cbr\u003eA: The module supports voltage outputs from -10 VDC to +10 VDC and current outputs from 0-20 mA.\u003c\/p\u003e\n\u003cp\u003eQ: How many analog output channels are available on the module?\u003cbr\u003eA: The 1756-OF8\/A provides eight configurable analog output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What protection functions are included in the output circuitry?\u003cbr\u003eA: The module provides 24 VDC overvoltage protection and short-circuit limiting for current output operation.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-OF8\/A module into a compatible ControlLogix chassis slot and verify correct backplane engagement before applying system power. Configure each analog output channel according to the connected field device signal requirements.\u003c\/p\u003e\n\u003cp\u003eUse appropriate instrumentation wiring practices for analog signals. Route analog output cables separately from high-voltage power conductors and high-frequency switching circuits. Apply cable shielding and grounding according to the site electrical standard. Verify channel scaling, signal polarity, and terminal connections before placing connected devices into operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43623539474522,"sku":"1756-OF8\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-OF81.jpg?v=1778126347","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-of8-a-controllogix-analog-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}