{"product_id":"allen-bradley-1756-of8k-controllogix-analog-output-module","title":"Allen-Bradley 1756-OF8K ControlLogix Analog Output Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eWhen your control system demands precise and reliable analog output, the Allen-Bradley 1756-OF8K delivers. This ControlLogix analog output module provides eight voltage or current outputs in a compact 20-pin package. Its conformal coating protects against moisture and contaminants, ensuring long-term performance in harsh industrial environments.\u003c\/p\u003e\u003cp\u003eAs part of the ControlLogix family, the 1756-OF8K integrates seamlessly into your existing architecture. It is engineered for applications that require synchronized sampling, high accuracy, and minimal field calibration. Whether you are upgrading a legacy system or building a new one, the 1756-OF8K offers the performance you need.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cp\u003eThe 1756-OF8K is built to handle demanding output tasks with precision. Key specifications include:\u003c\/p\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\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\u003ePart Number \/ Catalog No.\u003c\/td\u003e\n\u003ctd\u003e1756-OF8K\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eAnalog Output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Pins\u003c\/td\u003e\n\u003ctd\u003e20 Pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eConformal Coat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ranges\u003c\/td\u003e\n\u003ctd\u003e-10.4 to 10.4 V, 0 to 21 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Current)\u003c\/td\u003e\n\u003ctd\u003e15 bits across 21-650 mA\/bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution (Voltage)\u003c\/td\u003e\n\u003ctd\u003e15 bits across 10.4-320 V\/bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Operating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity (Non-Condensing)\u003c\/td\u003e\n\u003ctd\u003e5-95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Vibration\u003c\/td\u003e\n\u003ctd\u003e2g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Shock\u003c\/td\u003e\n\u003ctd\u003e30 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Operating Shock\u003c\/td\u003e\n\u003ctd\u003e50 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eThese specifications highlight the module's capability to provide stable, accurate outputs across a wide temperature range. The 15-bit resolution ensures fine control, while the conformal coating adds an extra layer of protection.\u003c\/p\u003e\u003ch2\u003eKey Features \u0026amp; Benefits\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronized Input Sampling:\u003c\/strong\u003e The 1756-OF8K supports synchronized sampling across all modules in a CIPSynch system, enhancing coordinated control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Status and Fault LED Indication:\u003c\/strong\u003e Quickly identify issues with per-channel LEDs, reducing downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Accuracy, Repeatability, and Stability:\u003c\/strong\u003e Maintains performance over temperature variations, ensuring consistent output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCIPSynch-Enabled:\u003c\/strong\u003e Allows timestamping in PTP (Precision Time Protocol) for time-sensitive applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast Input Sampling (1 ms):\u003c\/strong\u003e Processes floating point values quickly, enabling rapid response.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFaster Output Response Times:\u003c\/strong\u003e Improves system throughput and efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncreased Precision with 24 Bits of Useable Resolution:\u003c\/strong\u003e Delivers finer control for demanding processes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Need for Field Calibration:\u003c\/strong\u003e Reduces installation and maintenance effort.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eIndustry Applications\u003c\/h2\u003e\u003cp\u003eThe 1756-OF8K is ideal for applications that require precise analog output signals. Typical uses include:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control:\u003c\/strong\u003e Regulating valves, dampers, and variable speed drives in chemical, oil and gas, and pharmaceutical plants.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiscrete Manufacturing:\u003c\/strong\u003e Controlling servo drives and actuators in assembly lines and packaging machinery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Managing governor controls and excitation systems in turbines and generators.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor example, in a chemical plant, the 1756-OF8K can adjust flow control valves with high accuracy, maintaining product quality while reducing waste. Its fast response and high resolution make it a cost-effective choice for critical loops.\u003c\/p\u003e\u003ch2\u003eInstallation \u0026amp; Setup Guidance\u003c\/h2\u003e\u003cp\u003eInstalling the 1756-OF8K is straightforward. Follow these steps for a smooth setup:\u003c\/p\u003e\u003col\u003e\n\u003cli\u003eMount the module onto the ControlLogix chassis and secure it in place.\u003c\/li\u003e\n\u003cli\u003eConnect the removable terminal block (RTB) — either the 1756-TBNH or 1756-TBSH — to the module.\u003c\/li\u003e\n\u003cli\u003eWire the output signals to the appropriate terminals, ensuring correct polarity for voltage or current outputs.\u003c\/li\u003e\n\u003cli\u003eConfigure the module in your ControlLogix programming software, selecting the appropriate output range and resolution settings.\u003c\/li\u003e\n\u003cli\u003ePower up the system and verify channel status via the LED indicators.\u003c\/li\u003e\n\u003c\/ol\u003e\u003cp\u003eAlways follow the manufacturer's guidelines for wiring and grounding to avoid electrical interference. The conformal coating protects the module, but proper handling during installation is still essential.\u003c\/p\u003e\u003ch2\u003eMaintenance \u0026amp; Reliability\u003c\/h2\u003e\u003cp\u003eThe 1756-OF8K is designed for long-term reliability. The conformal coating shields the board from moisture and dust, reducing the risk of corrosion. To maintain optimal performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePeriodically inspect the module for dust buildup or physical damage.\u003c\/li\u003e\n\u003cli\u003eCheck that all terminal connections remain tight and secure.\u003c\/li\u003e\n\u003cli\u003eMonitor channel status LEDs for any faults and address them promptly.\u003c\/li\u003e\n\u003cli\u003eKeep the module within its specified temperature and humidity ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRoutine maintenance is minimal, which lowers total cost of ownership. The module's robust design also minimizes unexpected failures, reducing downtime and repair costs.\u003c\/p\u003e\u003ch2\u003eCompatibility \u0026amp; Integration\u003c\/h2\u003e\u003cp\u003eThe 1756-OF8K is part of the ControlLogix family and integrates with other ControlLogix modules and controllers. It supports CIPSynch, allowing synchronized operations across multiple modules. The module works with the 1756-TBNH and 1756-TBSH removable terminal blocks, providing flexible wiring options.\u003c\/p\u003e\u003cp\u003eFor applications requiring precise timing, the CIPSynch capability enables timestamping via PTP, making it suitable for motion control and high-speed processes.\u003c\/p\u003e\u003ch2\u003eSelection Guide \u0026amp; Purchasing Advice\u003c\/h2\u003e\u003cp\u003eBefore purchasing the 1756-OF8K, consider your application requirements:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDetermine whether you need voltage or current outputs, and verify the required range.\u003c\/li\u003e\n\u003cli\u003eCheck the number of output points needed — this module offers eight.\u003c\/li\u003e\n\u003cli\u003eEnsure your ControlLogix system supports the module and that you have the correct terminal block.\u003c\/li\u003e\n\u003cli\u003eIf your environment is harsh, the conformal coating is an added benefit.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePLC Source PRO is a reliable supplier of industrial automation parts. We offer genuine Allen-Bradley products and competitive pricing. Contact us to confirm availability and lead times for the 1756-OF8K.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default","offer_id":44436023410787,"sku":"1756-OF8K","price":279.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0678\/8635\/0435\/files\/1756-2WS_494f7368-00e5-478a-827a-e0bd43c31deb.jpg?v=1785790763","url":"https:\/\/www.plcsourcepro.com\/he\/products\/allen-bradley-1756-of8k-controllogix-analog-output-module","provider":"PLC Source PRO","version":"1.0","type":"link"}