{"product_id":"allen-bradley-1756-of4-a-controllogix-analog-output-module","title":"Allen-Bradley 1756-OF4\/A ControlLogix Analog Output Module","description":"\u003ch2\u003eAllen-Bradley 1756-OF4\/A ControlLogix Analog Output Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OF4\/A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-OF4\u003c\/strong\u003e Analog Output Module, operates as a dedicated hardware component for analog signal generation within ControlLogix I\/O platforms. The module provides four configurable current and voltage output channels with engineering unit scaling and ControlLogix backplane communication.\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-OF4\/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\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\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\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 analog outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003eSingle-ended current or voltage output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage 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 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 signed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003e20-pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eOn-board alarming and engineering unit scaling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003eUp to 95% RH, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e2 m\/s2, 500 Hz maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL, CE, CSA, ATEX, IECEx, KC, FM, C-Tick\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-OF4\/A operates within the ControlLogix architecture using backplane bus communication for controller-to-module data exchange. The module supports configurable analog output channels with current and voltage signal modes for direct interfacing with field devices requiring continuous control signals.\u003c\/p\u003e\n\u003cp\u003eThe module supports I\/O density scaling across ControlLogix chassis configurations and firmware flash compatibility within the ControlLogix module management structure. Analog output conversion uses 15-bit signed resolution with channel scaling functions for engineering unit representation.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What analog signal ranges are supported by the 1756-OF4\/A?\u003cbr\u003eA: The module supports voltage output from -10 VDC to +10 VDC and current output from 0-20 mA.\u003c\/p\u003e\n\u003cp\u003eQ: How many analog output channels are available on the module?\u003cbr\u003eA: The 1756-OF4\/A provides four configurable single-ended analog output channels.\u003c\/p\u003e\n\u003cp\u003eQ: What type of diagnostics are included with the module?\u003cbr\u003eA: The module provides on-board alarming and scaling functions for analog output monitoring and engineering unit configuration.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1756-OF4\/A module in a compatible ControlLogix chassis and verify correct backplane engagement before applying system power. Connect analog field wiring according to the configured output type and confirm signal polarity before commissioning.\u003c\/p\u003e\n\u003cp\u003eRoute analog signal cables separately from high-voltage power conductors and high-frequency switching wiring to reduce electrical noise coupling. Apply shield grounding according to the site instrumentation standard. Verify terminal connections, channel configuration, and scaling parameters before placing connected field devices into operation.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43623491928154,"sku":"1756-OF4\/A","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1756-OF41.jpg?v=1779257793","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1756-of4-a-controllogix-analog-output-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}