{"product_id":"allen-bradley-plc-5-1771-ws-weigh-scale-module","title":"Allen-Bradley 1771-WS PLC-5 Weigh Scale Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Allen-Bradley 1771-WS is a specialized Weigh Scale Module designed for the PLC-5 programmable controller platform. This single-channel module is engineered to interface directly with strain-gauge load cells, providing precise weight measurement and signal conditioning for industrial weighing applications. It is a legacy component, often utilized in single-vessel weighing systems where high-accuracy data acquisition is required within a PLC-5 environment.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSingle-channel input for strain-gauge load cell connectivity.\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for integration with the Allen-Bradley PLC-5 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003eSupports 0 to 30 mV input signal ranges.\u003c\/li\u003e\n\u003cli\u003eIntegrated signal processing for weight measurement applications.\u003c\/li\u003e\n\u003cli\u003eStandard 5 VDC backplane power requirement.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is typically used in industrial automation environments requiring weight monitoring, such as batching systems, vessel weighing, inventory management, and force measurement tasks where PLC-5 control systems are currently deployed.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003e1771-WS\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\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003ePLC-5 Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Range\u003c\/td\u003e\n\u003ctd\u003e0 to 30 mV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.5 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.74 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the PLC-5 chassis power is disconnected before installing or removing the 1771-WS module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eVerify that the module is correctly seated in the I\/O slot and that the backplane connector is fully engaged.\u003c\/li\u003e\n\u003cli\u003eUse shielded cabling for load cell connections to minimize electromagnetic interference (EMI) and ensure signal integrity.\u003c\/li\u003e\n\u003cli\u003eRoute signal wires away from high-voltage AC lines and motor control cabling.\u003c\/li\u003e\n\u003cli\u003eEnsure the module is properly grounded according to the PLC-5 system installation manual to maintain measurement accuracy.\u003c\/li\u003e\n\u003cli\u003eHandle with standard ESD precautions to protect internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eIs the 1771-WS still in production?\u003c\/h3\u003e\u003cp\u003eNo, the 1771-WS has been discontinued by the manufacturer. It is primarily available through surplus or secondary market channels.\u003c\/p\u003e\u003ch3\u003eWhat is the input range for this module?\u003c\/h3\u003e\u003cp\u003eThe 1771-WS supports an input signal range of 0 to 30 mV, suitable for standard strain-gauge load cell sensors.\u003c\/p\u003e\u003ch3\u003eDoes this module require external power?\u003c\/h3\u003e\u003cp\u003eThe module draws its operating power from the PLC-5 backplane at 5 VDC; ensure your power supply can accommodate the 1.5 A current draw of this module.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":50988501598460,"sku":"1771-WS","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_3e3a6cf8-dfcb-4f9a-8d91-bc3fafa4e1b7.jpg?v=1786904835","url":"https:\/\/www.electronicplc.com\/ar\/products\/allen-bradley-plc-5-1771-ws-weigh-scale-module","provider":"Electronic PLC","version":"1.0","type":"link"}