{"product_id":"1756-of8i-allen-bradley-controllogix-8-point-isolated-analog-output-module","title":"1756-OF8I Allen-Bradley ControlLogix 8-Point Isolated Analog Output Module","description":"\u003ch3\u003eEngineering Precision Profile\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2980b9;\"\u003e1756-OF8I\u003c\/span\u003e\u003c\/strong\u003e is a high-performance analog output module engineered for the Allen-Bradley \u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/allen-bradley-1756-controllogix\"\u003eControlLogix\u003c\/a\u003e architecture. Featuring eight individually isolated channels, it provides high-precision voltage and current signals to drive sensitive modulating actuators and industrial control devices. With 16-bit resolution and IEEE 32-bit floating-point data formatting, it ensures reliable control for complex process loops.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specification Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003eAllen-Bradley \/ Rockwell Automation\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalog Number:\u003c\/strong\u003e \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003e1756-OF8I\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Capacity:\u003c\/strong\u003e 8 Individually Isolated Outputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Modes:\u003c\/strong\u003e -10…+10V, 0…10V, 0…5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Modes:\u003c\/strong\u003e 0–20 mA, 4–20 mA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConversion Precision:\u003c\/strong\u003e 16-bit resolution via R-Ladder DAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Voltage:\u003c\/strong\u003e 250V (Basic\/Reinforced, 1500V\/2300V test)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Power:\u003c\/strong\u003e 200 mA @ 5.1V DC \/ 275 mA @ 24V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e Compatible with 1756-TBCH, 1756-TBS6H, 1756-TBNH, and 1756-TBSH blocks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Overvoltage protection (±30V DC), short-circuit (voltage), and open-circuit (current) detection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostics \u0026amp; System Reliability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Integrity:\u003c\/strong\u003e Built-in open-circuit detection (current mode) and short-circuit protection (voltage mode) ensure system uptime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForcing Capability:\u003c\/strong\u003e Supports programmable output forcing, significantly streamlining commissioning and loop-check procedures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Robustness:\u003c\/strong\u003e Tested to withstand 30G operational shock and harsh thermal variations (0°C to 60°C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibration Accuracy:\u003c\/strong\u003e Maintains a 0.05% accuracy rating with minimal 0.1% module error, critical for high-fidelity control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #2980b9;\"\u003e1756-OF8I\u003c\/span\u003e\u003c\/strong\u003e is the benchmark for isolated analog control in demanding environments. Our team at Global PLC Spare HUB recognizes this as the \"go-to\" solution for eliminating common ground loops in multi-actuator setups.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable Equipment:\u003c\/strong\u003e Precision modulating valves, variable speed motor controllers, and chemical dosing pumps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication Fit:\u003c\/strong\u003e Essential for large-scale distributed I\/O racks where electrical isolation between channels is mandatory to prevent crosstalk.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics and Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLogistics:\u003c\/strong\u003e International express delivery via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipment Speed:\u003c\/strong\u003e Orders dispatched within 24-48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService Guarantee:\u003c\/strong\u003e Includes a comprehensive 12-month quality warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eExpert Frequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the primary benefit of the 16-bit resolution on this specific module?\u003c\/strong\u003e\u003cbr\u003eHigher resolution provides a finer output granularity (0.32 mV\/count for +\/-10V), which prevents \"hunting\" in precision actuators and provides superior stability in setpoint tracking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the isolation feature assist in large-scale control panels?\u003c\/strong\u003e\u003cbr\u003eIndividual channel isolation prevents electrical interference (ground loops) from propagating between different actuators, ensuring that one faulty device does not affect the output signal of another.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I mix voltage and current output ranges across the 8 channels?\u003c\/strong\u003e\u003cbr\u003eYes, each of the eight channels can be independently configured in software for either voltage or current signals based on your specific actuator requirements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the purpose of the R-Ladder DAC conversion method used here?\u003c\/strong\u003e\u003cbr\u003eIt ensures monotonic output performance, meaning as the input command increases, the output signal always moves in the correct direction without \"missing codes\" or non-linear jumps.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow should I choose between the available terminal blocks (TBCH vs TBS6H)?\u003c\/strong\u003e\u003cbr\u003eChoose the terminal block based on your wiring scheme; screw-clamp (TBCH) is ideal for standard gauge wiring, while spring-clamp (TBS6H) is better for high-vibration applications to prevent loosening.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013984018614,"sku":"1756-OF8I","price":169.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1756-OF8I.jpg?v=1780569817","url":"https:\/\/www.plcsparehub.com\/products\/1756-of8i-allen-bradley-controllogix-8-point-isolated-analog-output-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}