3-phase 4-wire AC voltage digital transducer

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  • This product is a 3-phase 4-wire AC voltage acquisition and measurement digital isolation transducer. The three-wattmeter method is used to measure the 3-phase voltage of 3-phase loop. Using high-precision 24-bit dedicated AD chip, the ratio dynamic range can be up to 1000: 1. Using true RMS measurement, which is with high accuracy, good stability and high communication speed, the completely isolated processing technology is with anti-interference ability. Measurement of electrical parameters through the RS-485 digital interface output to achieve long-distance transmission, the product MODBUS protocol is complete compatible with a variety of configuration software or PLC equipment MODBUS (RTU) protocol. It can be applied to power, room monitoring, industrial measurement and other fields.



    Data Sheet



    NO,

    Item

    Date

    Unite

    Remarks

    1

    Accuracy

    0.2

    %


    Input range

    MS3 case: 500V;  S5 case: 500V;  N1case: 500V;


    The maximum range for each specification

    Frequency response

    Frequency response: 20Hz-1KHz; Frequency   measurement: 20-600Hz



    2

    Baud rate

    115.2K, 57.6K, 38.4K, 19.2K, 9600(default)   4800, 2400, 1200

    bps

    Factory default communication format:   9600, N / 8/1, address 1; S5 type up to 19.2K;

    Communication

    RS-485(twisted pair line) , RS-232C(treble   line, only for N style parts)


    RS422 optional

    Parity

    None, Even, Odd, Space



    Max. number of nodes

    64

    Node

    Only for RS-485

    Bus protection

    400W transient voltage


    ESD protection and thermosnap

    3

    A/D SPEED

    100

    mS


    4

    Working temperature

    -20~+60



    5

    Isolation voltage

    Input/output:   2500V DC for 1 min

    Input/power supply: 2500V for 1 min

    Output/power supply: 2500V for 1 min

     

    V

     

    The double isolation part numbers, their   output and power supply are grounded together, there is only between the input and output   isolation voltage

    6

    Overload

    2 x voltage span 1   sec. 10 for times with interval of 10 sec.

    10 x current span   for 1 sec. 5 times with an interval of 300 sec (only for hole thru.   parts) 


    The input outside the linear range will   result in poor accuracy

    7

    MTBF

    >30000

    Hour


    8

    Auxiliary power supply

    +5V/+12V/+24V/+48V/ AC220V

    V

    220VAC,DC only for N case parts

    9

    Power consumption

    ≤250mW(+12V)≤500mW(+24V)

    mW

    Power consumption depends on power supply   to be used

    10

    Temperature drift

    ≤300

    ppm/

     -20~+60℃)


    blob.png

    MS3.jpg

    CE-AV4*-**MS3 Case Type

    29.png

    CE-AV4*-**MS3 Installation Diagram

    MN1.jpg

    CE-AV4*-**MN1 Case Type(power supply can be AC 220V)

    17.png

    CE-AV4*-**MN1 Installatino Diagram

    MS5.jpg


    CE-AV4*-**MS5 Case Type

    18.jpg

    CE-AV4*-**MS5 Installation Diagram

    CE-AV4_-__MS3.JPG

                 The wiring diagram of 3-phase 4-wire of CE-AV42-**MS3 (VSS is the ground of RS485 and isolated from power supply)

                                          (Terminal NO.7 output is +5 V to provide 5V output (<20mA) in common ground with power supply)


    CE-AV4_-__MN1.JPG

        

    The wiring diagram of 3-phase 3-wire of CE-AV42-**MN1



    CE-AV3_-__MS5.JPG

    The wiring diagram of 3-phase 3-wire of CE-AV42-**MS5

     ² Available with wide power supply: DC: 10-30V or 10-55V or AC/DC: 85-265V.

    ²  With odd parity, even parity, no parity, 2 stop bits and other communication methods are free to set.

    ²  Communication speed optional, the maximum communication speed to 115200 bps.

    ²  The intelligent transducer with the smallest size and wide current measurement range in the peer.

    ²  Electroplating has a positive and negative cumulative function, and power-down storage function.

    ²  With red and green light-emitting diode instructions function, the red light indicates the normal operation of the product (100mS flashing), the green light indicates the product communication.

    ²  High anti-interference ability, the input, output and power port to resist the surge voltage up to 2KV or more.


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