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Precision Grating Displacement Sensor for Accurate Measurements

The grating displacement sensor is a high-precision, non-contact displacement measuring device widely used in fields such as precision machinery and automation equipment. It achieves accurate detection of minute displacements through the principle of the Moiré fringe of the grating scale.

    Features

    ● Operating Temperature: -10~40°C
    ● Humidity: ≤ 80% RH
    ● Absolute Measurement (Using Optical Grating Absolute Encoding)
    ● Waterproof: IP54/IP65 (Optional)

    Communication Protocol

    ● Data Frame Format: RTU Mode
    Communication Parameters: Baud Rate 38400
    Data Frame: 1 Start Bit, 8 Data Bits, No Parity, 2 Stop Bits

     

    Grating Displacement Sensor.jpg

     

    ● Displacement Sensor Data
    Master Query Command
    0103 00 00 00 02 C40B
    Displacement Sensor Response 0103040100 12 3937 7DH
    Address Code 01H Address Code 01H
    Function Code 03H Function Code 03H
    Access Register
    Starting Address
    00H Data Byte Length 04H
    Data Word 1 High 8 Bits 01H Displacement
     Sensor Data
    Flag Bit
      00H Data Word 1 Low 8 Bits 00H
    00H Data Word 2 High 8 Bits 12H Measurement Data
     (Hexadecimal)
    02H Data Word 2 Low 8 Bits 39H
    CRC (Low 8 Bits) C4H CRC (Low 8Bits) 37H -
    CRC (High 8 Bits) OBH CRC (High 8 Bits) 7DH
    Plug Type Wiring Type
    Pin Numbering Function Pin Numbering Function
    2 TXD(Data OUT) Blue TXD(Data out)
    3 RXD(Data IN) Black RXD(Data In)
    4 5V(Power Supply) Yellow 5V(Battery)
    5 GND(Ground) Red GND(Grand)

    Product Specification

     

    Model Range (mm) Accuracy Resolution d (mm) f (mm) Waterproof
    NGS-5332C NGS-53320 0-12.7 ≤1Oum 5um 68.2 36 IP65
    NGS-5302C NGS-5302J ±2um 1um
    NGS-5312C NGS-5312J ≤2um 0.5μm
    NGS-5322C NGS-5322J ≤1.4μm 0.2μm
    NGS-5332C NGS- 5332J 0-25.4 ≤10μm 5μm 99.1 38 IP54
    NGS-5302C NGS-5302J +3μm 1um
    NGS-5312C NGS-5312J ≤3um 0.5μm
    NGS-53220 NGS-5322J ≤1.8μm 0.2μm

     

     

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