{"product_id":"allen-bradley-1756-of4-controllogix-analog-output-module","title":"Allen-Bradley 1756-OF4 ControlLogix Analog Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-OF4 is a non-isolated ControlLogix analog output module designed to provide reliable voltage and current control signals for industrial automation environments. Engineered to interface directly with the ControlLogix backplane, this module is capable of actuating modulating devices, final control elements, and proportional actuators, as well as retransmitting signals to external recorders, data loggers, indicators, and secondary controllers.\u003c\/p\u003e\n\u003cp\u003eAs part of the Allen-Bradley ControlLogix platform, the 1756-OF4 integrates seamlessly into standard 1756 chassis architectures. It supports high-resolution signal generation across both voltage and current ranges, ensuring precise command delivery in complex process and discrete control applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour non-isolated analog output channels configurable for voltage or current signals\u003c\/li\u003e\n  \u003cli\u003eVoltage output range of +\/-10.4V DC with 15-bit resolution across 10.5V (320 microvolts per bit)\u003c\/li\u003e\n  \u003cli\u003eCurrent output range of 4 to 20 mA (or 0 to 20 mA) with 15-bit resolution across 21 mA (650 nanoamps per bit)\u003c\/li\u003e\n  \u003cli\u003eDirect backplane communication and power distribution via the 1756 ControlLogix chassis\u003c\/li\u003e\n  \u003cli\u003eOpen-style enclosure designed for standard industrial cabinet mounting\u003c\/li\u003e\n  \u003cli\u003eOn-board diagnostic reporting for open-circuit and out-of-range fault conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eModulating valve and damper control in process industries\u003c\/li\u003e\n  \u003cli\u003eSpeed and torque reference generation for variable frequency drives\u003c\/li\u003e\n  \u003cli\u003eSignal retransmission to strip chart recorders and data acquisition systems\u003c\/li\u003e\n  \u003cli\u003eSetpoint distribution to external controllers and instrumentation loops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\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\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eControlLogix Analog Output Module\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCatalog Number\u003c\/td\u003e\n      \u003ctd\u003e1756-OF4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eModule Type\u003c\/td\u003e\n      \u003ctd\u003eNon-Isolated Analog Output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Outputs\u003c\/td\u003e\n      \u003ctd\u003e4 single-ended, non-isolated\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n      \u003ctd\u003e+\/-10.4V DC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Current Range\u003c\/td\u003e\n      \u003ctd\u003e4 to 20 mA (or 0 to 20 mA)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVoltage Resolution\u003c\/td\u003e\n      \u003ctd\u003e15 bits across 10.5V (320 uV\/bit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCurrent Resolution\u003c\/td\u003e\n      \u003ctd\u003e15 bits across 21 mA (650 nA\/bit)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Draw (5V DC)\u003c\/td\u003e\n      \u003ctd\u003e150 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBackplane Current Draw (24V DC)\u003c\/td\u003e\n      \u003ctd\u003e120 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eTotal Power Dissipation\u003c\/td\u003e\n      \u003ctd\u003e4.9 W max at 60 deg C (140 deg F)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEnclosure Type\u003c\/td\u003e\n      \u003ctd\u003eOpen-style\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eSlot Width\u003c\/td\u003e\n      \u003ctd\u003e1 ControlLogix slot\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCountry of Origin\u003c\/td\u003e\n      \u003ctd\u003eUnited States\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003cp\u003eThe 1756-OF4 module connects to field devices using a removable terminal block (RTB) such as the 1756-TBNH or 1756-TBSH (ordered separately). The terminal block provides secure screw or spring-clamp connections for field wiring. Shielded twisted-pair cabling is strongly recommended for all analog output channels to minimize the impact of electromagnetic interference (EMI) in industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsure all power to the 1756 chassis is removed before installing or removing the module.\u003c\/li\u003e\n  \u003cli\u003eInsert the module into any available slot in a 1756 ControlLogix chassis. The module is keyed to prevent incorrect insertion into incompatible chassis slots.\u003c\/li\u003e\n  \u003cli\u003eSecure the module using the top and bottom latches, then attach the removable terminal block to the front housing.\u003c\/li\u003e\n  \u003cli\u003eTerminate signal shields to a low-impedance earth ground at one end only, typically at the chassis ground bar, to prevent ground loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":53770299343211,"sku":"1756-OF4","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/1756-OF4_1200x1200_b0ee2a17-4048-4b36-ae59-56feb75330e3.jpg?v=1787740609","url":"https:\/\/www.plcprotech.com\/products\/allen-bradley-1756-of4-controllogix-analog-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}