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Industrial Weighing Scale

Overview

Description

Demand across manufacturing, logistics, agriculture, and processing industries continues to drive the need for accurate, durable, and efficient weight measurement systems to ensure quality control, regulatory compliance, and operational efficiency.

Renesas offers scalable industrial weighing scale architectures tailored to meet a wide range of use cases - from ultra-high accuracy systems utilizing 32-bit MCUs with integrated analog front-ends (AFEs) for precision under 0.1% (even without calibration) to compact battery-operated systems optimized for portability and low power consumption in mobile environments.

System Benefits:

  • Multi-functional system controllers with integrated AFEs reduce BOM count while retaining high performance, enabling compact and cost-effective designs.
  • DSP/FPU-capable MCUs deliver high-accuracy measurement, control, and communication on a single chip.
  • Low-drift voltage references (10 ppm/°C) with high temperature stability ensure reliable operation in changing environmental conditions.
  • Ultra-low power MCUs extend battery life in portable weighing scales, enhancing operational longevity.
  • Integrated features like segment LCD and precision analog sensing reduce system footprint and overall BOM.

Comparison

Applications

Block Diagram

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Plug-In Ultra-High Accuracy Weighing Scale

WS118-1-: WEBLine.141Connector Line.154Connector Arrow.49Strain Gauge/Load CellStrain Gauge/Load CellStrain Gauge/Load CellConnector ArrowOLEDSheet.22Label Text 10pt.160Sheet.24Sheet.25Sheet.26Sheet.27Sheet.28Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Sheet.34Sheet.35Sheet.36Sheet.37Sheet.38Sheet.39Sheet.40Sheet.41Sheet.42Sheet.43Sheet.44Sheet.45Sheet.46Sheet.47Sheet.48Connector Arrow.553.3V3.3V3.3VBi-directional.104Connected signals arrowConnected signals arrow.106Bi-directional.107Ground - EarthSheet.109Sheet.110Sheet.111Sheet.112Resistor - FixedDiode LED RedSheet.115Sheet.116Sheet.117Sheet.118Darlington.651Sheet.120Darlington.254Sheet.122Sheet.123Capacitor Non-polarizedSheet.125Sheet.126Sheet.127Sheet.128Connected signals lineGround - Earth.135Sheet.136Sheet.137Sheet.138Sheet.139LineCircle.142Circle.143Connector Line.144Real-Time ClockReal-Time ClockReal-Time ClockSPST NO SwitchSheet.147Sheet.148Sheet.149Sheet.150Sheet.151Sheet.152Connector Line.153Circle.155Circle.156RS-485/422RS-485/422RS-485/422Line Bi-directionalRS-485RS-485RS-485WS118-1WS118-1WS118-1ThermocoupleThermocoupleThermocoupleConnector Arrow.168Temperature & Humidity SensorTemperature & Humidity SensorTemperature & Humidity SensorBi-directionalConnected signals arrow.1725V5V5VConnector Line.178AUX PowerAUX PowerAUX PowerLDOLDOLDOSheet.181MCUMCUMCUPGAPGAPGASCISCISCISPISPISPI24-Bit ADC24-Bit ADC24-Bit ADCI2CI2CI2CGPIOGPIOGPIOGPIOGPIOGPIOPGAPGAPGAI2CI2CI2C
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Battery-Operated Weighing Scale

WS118-2: WEBConnector Arrow.259Connector Arrow.261Line ArrowLine Arrow.256Mode SwitchMode SwitchMode SwitchWS118-2WS118-2WS118-2OLEDSheet.186Label Text 10pt.160Sheet.188Sheet.189Sheet.190Sheet.191Sheet.192Sheet.193Sheet.194Sheet.195Sheet.196Sheet.197Sheet.198Sheet.199Sheet.200Sheet.201Sheet.202Sheet.203Sheet.204Sheet.205Sheet.206Sheet.207Sheet.208Sheet.209Sheet.210Sheet.211Sheet.212SPST NO SwitchSheet.216Sheet.217Sheet.218Sheet.219Sheet.220Sheet.221Battery 3-CellSheet.223Sheet.224Sheet.225Sheet.226Line 1pt.1552Line 1pt.1608Sheet.229Sheet.230Ground - EarthSheet.232Sheet.233Sheet.234Sheet.235Weight SensorWeight SensorWeight SensorBattery Voltage MonitorBattery Voltage MonitorBattery Voltage MonitorSPST NO Switch.238Sheet.239Sheet.240Sheet.241Sheet.242Sheet.243Sheet.244Connector ArrowConnector LineConnector Line.2504.5V4.5V4.5V1.5V x31.5V x31.5V x33.3V3.3V3.3VConnector Arrow.265Connector Arrow.266Bi-directionalConnector Arrow.268Ground - Earth.269Sheet.270Sheet.271Sheet.272Sheet.273Connector Line.153LDOLDOLDOSheet.275Circle.260Circle.257MCUMCUMCUI2CI2CI2CIRQIRQIRQAMPAMPAMP16-Bit ADC16-Bit ADC16-Bit ADC24-Bit ADC24-Bit ADC24-Bit ADC
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