{"product_id":"allen-bradley-1769-2ws-dual-channel-weigh-scale-module","title":"Allen-Bradley 1769-2WS Dual-Channel Weigh Scale Module","description":"\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eProduct Description\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"qk-md-text complete\"\u003eThe \u003c\/span\u003e\u003cspan class=\"qk-md-strong complete\"\u003eAllen-Bradley 1769-2WS\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e is a high-precision, dual-channel weigh scale interface module engineered for seamless integration with Allen-Bradley CompactLogix and MicroLogix 1500 programmable logic controllers (PLCs). Designed for demanding industrial weighing environments, it delivers reliable signal conditioning and accurate weight data acquisition from multiple load cells.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eThis module supports up to eight 350-ohm strain gauge–based load cells—four per channel—enabling flexible multi-sensor configurations. Each channel features independent excitation and signal processing, ensuring minimal crosstalk and enhanced measurement integrity.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eKey technical attributes include:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"qk-md-ul list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eExcitation Voltage\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: 5 VDC ±1% (regulated), capable of driving up to four 350-ohm load cells per channel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eIsolation\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: 1500 VDC channel-to-channel and channel-to-backplane isolation for noise immunity and operator safety\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eMeasurement Resolution\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: Up to 1 part in 10,000 (10,000:1) per channel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eUpdate Rate\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: Adjustable from 10 to 250 samples per second per channel\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eOutput Interface\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: Communicates via the 1769 Compact I\/O backplane; no discrete outputs—data is transmitted digitally to the PLC processor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eOperating Temperature\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: –40°C to +70°C (–40°F to +158°F)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003ePower Consumption\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: 2.0 A max at 5.1 VDC from backplane (typical under full load)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eMounting\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e: DIN-rail compatible, standard 1769 form factor\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem class=\"qk-md-em\"\u003eNote: The original description incorrectly states \"24VDC operation\" and \"solid-state relay outputs.\" The 1769-2WS is a low-voltage analog input module powered via the CompactLogix backplane (5.1 VDC) and does not feature relay or discrete outputs.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eTypical Applications\u003c\/span\u003e\u003cspan class=\"qk-md-text complete\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"qk-md-ul list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eBatch weighing systems\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eHopper and tank level monitoring\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eConveyor belt checkweighers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eForce and tension measurement in manufacturing lines\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-text complete\"\u003eFAQ\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"qk-md-strong complete\"\u003eQ: Can the 1769-2WS be used with ControlLogix systems?\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"qk-md-text complete\"\u003eA: No. It is designed exclusively for the 1769 Compact I\/O platform used with CompactLogix and MicroLogix 1500 controllers. ControlLogix requires the 1756-WS series modules.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eQ: Does each channel require separate calibration?\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"qk-md-text complete\"\u003eA: Yes. Each channel operates independently and must be calibrated individually in the PLC logic using scale engineering units and tare functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"qk-md-strong complete\"\u003eQ: What communication protocol does it use?\u003c\/span\u003e\u003cbr\u003e\u003cspan class=\"qk-md-text complete\"\u003eA: It uses implicit CIP messaging over the 1769 backplane—no Ethernet or serial configuration is needed.\u003c\/span\u003e\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52513504919736,"sku":"1769-2WS","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1769-2WS.jpg?v=1769756633","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1769-2ws-dual-channel-weigh-scale-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}