{"product_id":"allen-bradley-1746-ws-weigh-scale-module","title":"Allen-Bradley 1746-WS Weigh Scale Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1746-WS is a high-precision weigh scale module designed for the SLC 500 controller platform. It serves as a direct interface between the PLC and industrial load cells, eliminating the need for external weight transmitters. This module is ideal for industrial weighing applications such as tank\/vessel weighing, hopper scales, and platform scales where high accuracy and reliability are required.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports up to eight (8) full Wheatstone bridge, strain gauge load sensors on a single vessel.\u003c\/li\u003e\n\u003cli\u003eProvides a stable 5V DC excitation voltage to the load cells.\u003c\/li\u003e\n\u003cli\u003eProcesses millivolt signals into accurate weight data for the SLC processor.\u003c\/li\u003e\n\u003cli\u003eConversion rate of 20 updates per second for responsive weight monitoring.\u003c\/li\u003e\n\u003cli\u003eIncludes two standard digital TTL level outputs for process control.\u003c\/li\u003e\n\u003cli\u003eIntegrated common-mode rejection of 110 dB (at or below 60 Hz).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTank and vessel level monitoring.\u003c\/li\u003e\n\u003cli\u003eHopper and silo weighing systems.\u003c\/li\u003e\n\u003cli\u003eIndustrial platform scales.\u003c\/li\u003e\n\u003cli\u003eBatching and blending process control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\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\u003eProduct Line\u003c\/td\u003e\n\u003ctd\u003eSLC 500\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Type\u003c\/td\u003e\n\u003ctd\u003eWeigh Scale Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e0.25 Amps (250 mA) @ 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Cell Excitation\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Cell Rating\u003c\/td\u003e\n\u003ctd\u003e350 Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e+\/- 2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon-Mode Rejection\u003c\/td\u003e\n\u003ctd\u003e110 dB (at or below 60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConversion Rate\u003c\/td\u003e\n\u003ctd\u003e20 updates per second\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Type\u003c\/td\u003e\n\u003ctd\u003e2 x TTL level digital outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the SLC 500 rack power is disconnected before installing or removing the module.\u003c\/li\u003e\n\u003cli\u003eMount the module in a standard SLC 500 I\/O chassis slot.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for load cell connections to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain proper grounding practices for the chassis to ensure signal integrity.\u003c\/li\u003e\n\u003cli\u003eVerify that the load cell impedance matches the 350 Ohm specification for optimal performance.\u003c\/li\u003e\n\u003cli\u003eEnsure adequate ventilation within the enclosure to maintain operating temperature limits.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 1746-WS module?\u003c\/h3\u003e\u003cp\u003eThe 1746-WS is designed to interface directly with strain gauge load cells, converting raw millivolt signals into digital weight data for processing by an Allen-Bradley SLC 500 controller.\u003c\/p\u003e\u003ch3\u003eHow many load cells can this module support?\u003c\/h3\u003e\u003cp\u003eThe module is capable of supporting up to eight (8) full Wheatstone bridge, 350 Ohm load sensors on a single vessel.\u003c\/p\u003e\u003ch3\u003eDoes this module require external transmitters?\u003c\/h3\u003e\u003cp\u003eNo, the 1746-WS acts as a direct interface, which eliminates the need for additional external weight transmitters in the signal path.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50746802831612,"sku":"1746-WS","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_2242b555-b155-432b-b854-1b4724e0db23.jpg?v=1785475350","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-1746-ws-weigh-scale-module","provider":"Electronic PLC","version":"1.0","type":"link"}