{"product_id":"siemens-siwarex-wp321-weighing-electronic-1-channel","title":"Siemens Siwarex WP321 Weighing electronic, 1 channel","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Siemens 7MH4138-6AA00-0BA0 is a **SIWAREX WP321 ST** single-channel weighing module designed for seamless integration into the **SIMATIC ET 200SP** distributed I\/O system. It interfaces directly with strain-gauge full-bridge load cells (1–4 mV\/V), converting analog weight signals into precise digital data for automation and process control. With built-in diagnostics, compact construction, and direct communication through ET 200SP, it is ideal for platform, hopper, tank, or force-measurement applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSingle-channel weighing module for ET 200SP\u003c\/li\u003e\n\u003cli\u003eSupports full-bridge strain-gauge load cells (1–4 mV\/V)\u003c\/li\u003e\n\u003cli\u003eIntegrated weighing electronics for accurate digital signal conversion\u003c\/li\u003e\n\u003cli\u003eRS-485 interface for configuration or external display devices\u003c\/li\u003e\n\u003cli\u003eLoad-cell diagnostics available (overload, wire break, underload, sensor fault)\u003c\/li\u003e\n\u003cli\u003eCompact 15 mm module width — space-saving within ET 200SP racks\u003c\/li\u003e\n\u003cli\u003eI\u0026amp;M data levels I\u0026amp;M0 to I\u0026amp;M3 supported for traceability and maintenance\u003c\/li\u003e\n\u003cli\u003eSimple plug-in integration via ET 200SP base unit A0\u003c\/li\u003e\n\u003cli\u003eSuitable for static weighing, batching, tank level, and force measurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArticle Number:\u003c\/strong\u003e 7MH4138-6AA00-0BA0\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e SIWAREX WP321 ST weighing module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e SIMATIC ET 200SP (requires BU-type A0)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoad-Cell Input:\u003c\/strong\u003e 1–4 mV\/V, full-bridge strain-gauge type\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e RS-485 for configuration\/communication\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Supply:\u003c\/strong\u003e 24 V DC (standard ET 200SP supply)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModule Width:\u003c\/strong\u003e approx. 15 mm (slim design)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e approx. 0.040 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Weight measurement, load-cell diagnostics, digital conversion, force measurement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTypical Applications:\u003c\/strong\u003e Platform scales, hopper\/tank scales, batching systems, level monitoring via weight, belt scales, force sensors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eCompliance \u0026amp; Standards\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for industrial weighing and automation environments\u003c\/li\u003e\n\u003cli\u003eConforms to ET 200SP mechanical and electrical interface standards\u003c\/li\u003e\n\u003cli\u003eSupports industrial EMC and noise-resistance requirements\u003c\/li\u003e\n\u003cli\u003eCompatible with strain-gauge load-cell standards (full-bridge, mV\/V systems)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is ideal for weighing and process-measurement applications integrated directly into ET 200SP automation systems. It is suitable for hopper and tank scales, level-by-weight systems, batching processes, packaging machinery, platform scales, conveyor weighing, and force-measurement installations. Its compact form and diagnostics make it well-suited for industrial environments requiring reliable and precise weighing integration.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":40775039647808,"sku":"7MH4138-6AA00-0BA0","price":18333.33,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/3662\/3424\/files\/7MH4138-6AA00-0BA0.jpg?v=1764767979","url":"https:\/\/industrial.rubicon.tech\/products\/siemens-siwarex-wp321-weighing-electronic-1-channel","provider":"Rubicon Group Industrial Technology Shop","version":"1.0","type":"link"}