{"product_id":"1756-of8i-allen-bradley-controllogix-isolated-analog-output-module","title":"1756-OF8I Allen-Bradley ControlLogix Isolated Analog Output Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-OF8I\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-OF8I\u003c\/strong\u003e Isolated Analog Output Module, operates as a dedicated hardware component for high-precision analog signal generation and loop driving within ControlLogix system architectures.\u003c\/p\u003e\n\u003ch3\u003eModel Structure \u0026amp; Topology Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756\u003c\/strong\u003e: ControlLogix modular chassis backplane mounting platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOF8\u003c\/strong\u003e: 8-channel analog output conversion architecture supporting voltage and current modes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\u003c\/strong\u003e: Channel-to-channel isolated output design providing dedicated galvanic protection per point.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Parameters \u0026amp; Operating Limits\u003c\/h3\u003e\n\u003cfigure\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-OF8I\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\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e23.3 x 18.2 x 5.3 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePower Dissipation: 6.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e8 isolated points (Voltage \/ Current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current Range\u003c\/td\u003e\n\u003ctd\u003e0-20 mA, 4-20 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e+\/-10 V, 0-10 V, 0-5 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eD\/A Conversion Method\u003c\/td\u003e\n\u003ctd\u003eR-Ladder DAC, monotonicity with no missing codes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e15 bits to 16 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Draw (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e400 mA\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\u003eFault Detection\u003c\/td\u003e\n\u003ctd\u003eOpen circuit (Current), Short circuit (Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Protection\u003c\/td\u003e\n\u003ctd\u003e+\/-30 VDC (voltage\/current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemovable Terminal Block\u003c\/td\u003e\n\u003ctd\u003e1756-TBCH, 1756-TBS6H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Location\u003c\/td\u003e\n\u003ctd\u003eXiamen, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Backplane Execution\u003c\/h3\u003e\n\u003cp\u003eThe isolated analog output circuitry processes digital control parameters into precise field signals while sustaining steady backplane bus communication velocity across EtherNet\/IP deterministic networks. Individual R-Ladder DAC converters provide 16-bit monotonic conversion without missing codes, ensuring smooth I\/O density scaling and seamless controller firmware flash compatibility.\u003c\/p\u003e\n\u003ch3\u003ePackage Manifest\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-OF8I Isolated 8-Point Analog Output Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePanel Installation \u0026amp; Wiring Directives\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlign module rear card guides with the selected 1756 chassis slot and insert until side latches snap into place.\u003c\/li\u003e\n\u003cli\u003eSecure field output wiring to a 36-pin 1756-TBCH or 1756-TBS6H Removable Terminal Block assembly.\u003c\/li\u003e\n\u003cli\u003eRoute individual analog current\/voltage signal pairs using twisted shielded cables to prevent electrical noise coupling.\u003c\/li\u003e\n\u003cli\u003eConnect cable drain shields directly to the cabinet ground bus bar at a single point location.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat output signal ranges are supported by the 1756-OF8I module?\u003c\/p\u003e\n\u003cp\u003eThe module generates current outputs of 0-20 mA and 4-20 mA, along with voltage outputs of +\/-10 V, 0-10 V, and 0-5 V.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat digital-to-analog conversion architecture is implemented on this card?\u003c\/p\u003e\n\u003cp\u003eConversion utilizes an R-Ladder DAC structure guaranteeing monotonicity with no missing codes across operating ranges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat current draw does the module require from the external 24 VDC supply rail?\u003c\/p\u003e\n\u003cp\u003eThe internal analog output driving circuits draw 400 mA from the 24 VDC supply rail under full load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat galvanic isolation rating is provided between individual output channels?\u003c\/p\u003e\n\u003cp\u003eThe module provides 50 V continuous channel-to-channel and channel-to-backplane electrical isolation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the hardware detect wiring faults across the output channels?\u003c\/p\u003e\n\u003cp\u003eThe module detects open-circuit conditions in current output mode and short-circuit conditions in voltage output mode.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat level of overvoltage protection is integrated into the field terminals?\u003c\/p\u003e\n\u003cp\u003eTerminal connections feature continuous overvoltage protection against accidental surges up to +\/-30 VDC.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat removable terminal blocks are certified for use with this module?\u003c\/p\u003e\n\u003cp\u003eField connection cabling requires either the 1756-TBCH spring-clamp or 1756-TBS6H screw-clamp 36-pin RTB block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the 1756-OF8I module be removed or inserted while chassis power is active?\u003c\/p\u003e\n\u003cp\u003eYes, the hardware supports Removal and Insertion Under Power (RIUP) without causing chassis backplane disruption.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066421432493,"sku":"1756-OF8I","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-of8i_1.jpg?v=1787188030","url":"https:\/\/www.maxwellplc.com\/products\/1756-of8i-allen-bradley-controllogix-isolated-analog-output-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}