Elektroda.com
Elektroda.com
X
Elektroda.com

[BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering

valeklubomir 546 1
  • DIN Rail WiFi switch from aliexpress

    [BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering
    Chipset BK7231N module model CBU
    [BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering
    EDIT: Power metering uses BL0942 chip.



    Pin Assignments:
    P9 - RELAY Status LED
    P15 - Wifi LED
    P17 - Button
    P24 - Bridge FORWARD
    P26 - Bridge REVERSE

    Switch uses Magnetic Polarized Relay:
    [BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering
    This relay must be driven with bridge driver.
    Forward direction closes contact, Reserve direction opens contact.
    Relay need to be powered only for changing contact position.
    Pulse from length 100-200 ms is requirred to change position.
    Then relay holds last position without power.
    Relay Driver IC MD7620 (Shanghai-Mingda-Microelectronics)
    [BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering
    Operation modes:
    [BK7231N - CBU] TONGOU TO-Q-SV1-JWT Din Rail Wifi Switch with power metering

    Firmware:
    https://github.com/openshwprojects/OpenBK7231T_App

    The firmware do not support the bridge driver MD7620 yet, but the work is in progress.

    Cool? Ranking DIY
    About Author
    valeklubomir
    Level 2  
    Offline 
    valeklubomir wrote 4 posts with rating 5, helped 0 times. Been with us since 2022 year.
  • #2
    gulson
    System Administrator
    Thank you so much presentation! I would like to send you free elektroda.com gadgets, could you provide your address in the Private Message?