{"product_id":"allen-bradley-1756-2ws-controllogix-dual-weigh-scale-module","title":"Allen-Bradley 1756-2WS ControlLogix Dual Weigh Scale Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1756-2WS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a high-precision interface for industrial load cells and strain gauges within the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eControlLogix\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatform. This dual-channel weigh scale module enables the processor to read and process weight data directly from two independent scales without requiring external signal conditioners or transmitters. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoriginal factory stock, providing a seamless, backplane-integrated solution for batching, silo level monitoring, and material handling applications.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley \/ Rockwell Automation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProduct Line\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eControlLogix (1756 Series)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDual-Channel Weigh Scale Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Signal Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-0.3 to 15.3 Millivolts (mV)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eExcitation Output\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5V DC to 8.75V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCalibration Methods\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eC2 Electronic Calibration \/ Manual Calibration\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHot-Swappable\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes (RIUP Supported)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e32° to 140°F (0° to 60°C)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard 1756 Chassis Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.00 lbs (0.91 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eC2 Electronic Calibration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-2WS supports C2 electronic calibration, which allows the system to calibrate the scale without using heavy test weights. This feature significantly reduces maintenance time and eliminates the safety risks associated with manual weight handling in large-capacity silos.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDirect Backplane Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy plugging directly into a ControlLogix chassis, the module eliminates the latency and noise interference inherent in serial or 4-20mA analog weight transmitters. The PLC accesses raw weight data at backplane speeds, ensuring immediate response for high-speed filling or batching lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRemoval and Insertion Under Power (RIUP):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1756-2WS supports hot-swapping. Maintenance teams can replace a module while the rest of the chassis remains energized, minimizing downtime in continuous process environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Signal Processing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module detects minute changes in the millivolt range (-0.3 to 15.3 mV), providing the sensitivity required for high-accuracy industrial scales. It filters out electrical noise to ensure stable weight readings despite the presence of heavy machinery or VFDs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual-Channel Independence:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTwo separate channels allow for the simultaneous monitoring of two different vessels or scales. This density reduces the number of slots required in the chassis, lowering the overall hardware footprint and system cost.\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 the 1756-2WS be used in a CompactLogix system?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the 1756 series primarily targets ControlLogix chassis, certain communication adapters allow the module to operate in distributed architectures; however, it natively fits the 1756 local or remote I\/O chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the module require a separate power supply for the load cells?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. The 1756-2WS provides an excitation voltage output between 5V and 8.75V DC to power the connected load cells directly through the terminal block.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of load cells are compatible?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module interfaces with standard 4-wire or 6-wire strain-gauge-type load cells. For long cable runs, we recommend 6-wire configurations to allow the module to compensate for voltage drops in the cabling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a genuine, factory-sealed unit?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We guarantee this 1756-2WS is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e. It ships in its original Allen-Bradley factory packaging with intact security seals, ensuring the highest reliability for critical weighing processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52532259848501,"sku":"1756-2WS","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1756-2WS.jpg?v=1775204813","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1756-2ws-controllogix-dual-weigh-scale-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}