{"product_id":"allen-bradley-1746-no8v-slc-500-8-channel-high-resolution-analog-output-module","title":"Allen-Bradley 1746-NO8V SLC 500 8-Channel High-Resolution Analog Output Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1746-NO8V\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density analog voltage output module for the SLC 500 platform. It provides 8 single-ended output channels, converting digital values into precise bipolar or unipolar voltage signals to drive variable frequency drives (VFDs), valves, and actuators. With 16-bit resolution, this module ensures extreme accuracy in closed-loop control systems. We supply this unit in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econdition, providing an original, factory-fresh solution for maintaining or expanding your SLC 500 architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutputs:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e8 Single-ended channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e16-bit (320 µV\/count)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Voltage Ranges:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-10 to +10V DC, 0 to 10V DC, 0 to 5V DC, 1 to 5V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOutput Coding:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e-32,768 to +32,767\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUpdate Time:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e540 microseconds for all 8 channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (5V DC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e120 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackplane Current (24V DC):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e160 mA (Rack power) or 0 mA (External power)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStep Response:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2.5 milliseconds (Output)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Formats:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eScaled Engineering Units, Scaled for PID, Proportional Counts, User-defined\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChassis Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAny 1746 slot except Slot 0\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.00 lbs (0.45 kg)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe 1746-NO8V addresses the precision requirements of modern industrial processes through advanced signal management and hardware flexibility:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eUltra-Fast Multi-Channel Updates:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module updates all 8 channels in just 540 microseconds. This rapid refresh rate allows the SLC 500 system to control high-speed motion or pressure loops without introducing significant digital-to-analog latency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGranular 16-Bit Precision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 320 µV per count resolution enables exceptionally smooth control of proportional valves and fine-tuning of motor speeds. This precision minimizes mechanical wear on field equipment by eliminating \"stepped\" signal transitions.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible Power Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe J4 jumper allows engineers to select between rack power and an external 24V DC power source. Using external power reduces the thermal load on the chassis power supply, allowing for higher-density I\/O configurations in compact enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Fault Handling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIntegrated software parameters allow users to define specific output behavior during a fault condition. You can program the module to reset, hold the last value, or move to a predefined \"safe\" preset, ensuring equipment protection during processor or network failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use the 1746-NO8V in a remote I\/O chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The 1746-NO8V installs in any standard 1746 chassis slot (except Slot 0) within a local SLC 500 rack or a remote rack controlled by an ASB or ENT adapter.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the J4 jumper affect my power budget?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSetting J4 to \"EXT\" draws 0 mA from the 24V backplane. This configuration requires you to wire an external 24V DC power supply directly to the module, which preserves backplane power for other high-current modules in the rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a Brand New original product?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this 1746-NO8V is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal stock. For high-precision analog tasks, using new hardware is essential to ensure the 16-bit digital-to-analog converters maintain their factory-rated linearity and accuracy.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat data format should I use for PID control?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module supports a \"Scaled for PID\" format. This simplifies programming in RSLogix 500 by aligning the output data range directly with the PID instruction’s output variable, eliminating the need for complex manual scaling rungs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53377061945528,"sku":"1746-NO8V","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1746-NO8V.jpg?v=1776763558","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1746-no8v-slc-500-8-channel-high-resolution-analog-output-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}