{"product_id":"1769-of4ci-allen-bradley-compactlogix-isolated-current-output-module","title":"1769-OF4CI Allen-Bradley CompactLogix Isolated Current Output Module","description":"\u003ch2\u003eAllen-Bradley 1769-OF4CI Compact I\/O Analog Current Output Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-precision analog loop control in CompactLogix and MicroLogix 1500 architectures, the \u003cstrong\u003eAllen-Bradley 1769-OF4CI\u003c\/strong\u003e (\u003cstrong\u003e1769-OF4CI\u003c\/strong\u003e Compact I\/O Analog Current Output Module) provides direct physical\/electrical execution across 1769 backplane platforms.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCatalog Number\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eOutput Channels\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSignal Format\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1769-OF4CI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Isolated Channels\u003c\/td\u003e\n\u003ctd\u003e0-20 mA \/ 4-20 mA\u003c\/td\u003e\n\u003ctd\u003eChannel-to-Channel \u0026amp; Channel-to-Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1769-OF4VI\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4 Isolated Channels\u003c\/td\u003e\n\u003ctd\u003e0-10 V \/ +\/- 10 V\u003c\/td\u003e\n\u003ctd\u003eChannel-to-Channel \u0026amp; Channel-to-Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e1769-OF8C\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 Non-Isolated Channels\u003c\/td\u003e\n\u003ctd\u003e0-20 mA \/ 4-20 mA\u003c\/td\u003e\n\u003ctd\u003eChannel-to-Bus Only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003e1769-OF4CI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\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\u003e0.18 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 x 35 x 87 mm\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\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Channels\u003c\/td\u003e\n\u003ctd\u003e4 isolated analog current channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Signal Range\u003c\/td\u003e\n\u003ctd\u003e0 to 20 mA or 4 to 20 mA (software configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e16-bit (or 15-bit plus sign)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Scale Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003eChannel-to-channel and channel-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBus Current Draw\u003c\/td\u003e\n\u003ctd\u003e120 mA at 5 VDC \/ 170 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Impedance\u003c\/td\u003e\n\u003ctd\u003e500 ohm at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eCompact I\/O Backplane Bus and Deterministic Communications\u003c\/h3\u003e\n\u003cp\u003eThe 1769-OF4CI interface communicates over the Compact I\/O backplane bus to maintain deterministic data delivery from the system controller to the internal 16-bit digital-to-analog converters (DAC). By utilizing EtherNet\/IP deterministic networks via 1769-AENTR adapters or local CompactLogix processors, the hardware updates current loop levels without variable scan delays. Individual channel galvanic isolation prevents ground loop interference across long field wiring runs while high I\/O density scaling preserves cabinet rack space. Front-panel LEDs continuously monitor backplane bus communication status and local loop channel activity.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1769-OF4CI module support voltage outputs such as 0-10 VDC?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1769-OF4CI hardware drives current loops exclusively in 0-20 mA or 4-20 mA formats. Voltage output operations require dedicated hardware such as the 1769-OF4VI module.\u003c\/p\u003e\n\u003cp\u003eQ: What are the backplane current draw requirements for power budget calculations?\u003c\/p\u003e\n\u003cp\u003eA: The module draws 120 mA at 5 VDC and 170 mA at 24 VDC from the 1769 Compact I\/O backplane bus, while external loop power supplies field-side current circuits.\u003c\/p\u003e\n\u003cp\u003eQ: Can maintenance personnel remove field wiring without disconnecting individual signal conductors?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Technicians can detach the Removable Terminal Block (RTB) directly from the front housing, which allows module swap-out while keeping the field wiring intact.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting and Panel Preparation:\u003c\/strong\u003e Mechanics must secure the module onto standard DIN rail or panel mounts inside an IP54-rated industrial enclosure. Ensure a minimum vertical clearance of 50 mm above and below the module for natural thermal dissipation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding Procedures:\u003c\/strong\u003e Installers must use twisted shielded pair cables for all analog current loops. Connect the drain wire directly to the functional earth (FE) bus bar at a single end to prevent ground loop currents from destabilizing DAC resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeparation of Signal and Power Lines:\u003c\/strong\u003e Field technicians must route low-level analog current signals in separate wire ducts from high-voltage AC lines and VFD output power leads to suppress inductive noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Block Engagement:\u003c\/strong\u003e Technicians must torque the Removable Terminal Block (RTB) retaining screws and terminal screws to the manufacturer-specified limits to preserve gas-tight electrical contacts during vibration.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43166034165850,"sku":"1769-OF4CI","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/462.jpg?v=1775029256","url":"https:\/\/www.spareoil.com\/products\/1769-of4ci-allen-bradley-compactlogix-isolated-current-output-module","provider":"SpareOil Automation","version":"1.0","type":"link"}