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= **1 Operating principle** = |
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-Electrical resistance of metal material changes in proportion to the forces being applied to deform it. The strain gauge measures the deformation as a change in electrical resistance, which is a measure of the strain and hence the applied forces (load). |
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+When a metal material is subjected to tension, the metal material becomes thinner and the electrical impedance increases; conversely, when it is compressed, the metal impedance becomes smaller, and the strain gauge made by this method is called a weighing module. This type of sensing device can transform the pressure of physical phenomena into electrical signal output, so it is often used in load, tension and pressure conversion applications. |
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= **2 Introduction** = |
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1. WECON LX3V-2WT expansion module’s resolution is 24-bit. The module can be used for reading signals from 4- or 6- wire configuration; The response speed can be adjusted to meet customer needs, easily meeting the full range of needs in the current load application market. |
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1. To ensure proper installation and operation of this product, please read the instruction manual carefully before using the module. This manual is intended only as an operating guide and introductory reference for the LX3V-2WT. |
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-1. The LX3V-2WT weighing module can read and write data through the LX3V host program with the instruction FROM/TO. |
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+1. The LX3V-2WT weighing module can read and write data with the instruction FROM/TO through LX3V or LX5V |
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**✎Note:** Disconnect power before installing/removing modules or wiring the modules to avoid contact or product damage. |
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== Use of blade terminals == |
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-(% style="text-align:center" %) |
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-[[image:image-20220622145005-4.jpeg||height="220" width="366"]] |
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+[[image:image-20220705162505-2.jpeg]] |
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Use crimp terminals of the size shown in the figure. Terminal tightening torque is 0.5 to 0.8N.m. Be sure to tighten the screws so as not to cause malfunction. |
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= **4 Wiring ** = |
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(% style="text-align:center" %) |
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-[[image:image-20220622145005-5.jpeg||height="522" width="706"]] |
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+[[image:image-20220705162452-1.jpeg]] |
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**✎Note:** |
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* Calibration with weights |
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** Step1: Do not put any weights on the load cell. |
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-** Step2: #8 value is written as 0x0001. |
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+** Step2: Write 0x0001 to #8. |
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** Step3: Add standard weights to the load cell. |
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** Step4: Write the weight of the current weight on the chassis into #23. |
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-** Step5: #8 value is written as 0x0002. |
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+** Step5: Write 0x0002 to #8. |
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* Weightless calibration |
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** Step1: Do not put any weights on the load cell. |
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** Step2: Write the maximum range of the sensor into #23. |
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** Step3: Write the sensor sensitivity into #39, accurate to three decimal places. |
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-** Step4: #8 value is written as 0x0003. |
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+** Step4: Write 0x0003 to #8. |
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* Modify calibration parameters: |
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** Step1: Modify the calibration parameter values in BFM#35 to BFM#38; |
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-** Step2: #8 value is written as 0x0004. |
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+** Step2: Write 0x0004 to #8. |
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**✎Note: **When a value is written to BFM#8 or BFM#48 using the device monitor, it is automatically reset to 0. |
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|**Settings**|(% style="width:599px" %)**Description**|(% style="width:404px" %)**Remark** |
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|0|(% style="width:599px" %)Do not enable zero tracking|(% style="width:404px" %)Default |
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-|1 to 100|(% style="width:599px" %)When setting the zero tracking range (absolute value), tracking must be performed when the value is stable and the current weight is within the zero tracking range.|(% style="width:404px" %)((( |
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+|1 to 300|(% style="width:599px" %)When setting the zero tracking range (absolute value), tracking must be performed when the value is stable and the current weight is within the zero tracking range.|(% style="width:404px" %)((( |
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If set to 10, the current weight is ±9 and the stable flag is 1, the current weight is cleared. |
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))) |
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|(% colspan="3" %)**✎Note: **When the accuracy of the measured items is not high, the temperature drift has little effect, and this function is not required. |
