如何将 485 接口的数字电表通过 NB-IoT 接入网络 - V2EX
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lostspirit0

如何将 485 接口的数字电表通过 NB-IoT 接入网络

  •   
  •   lostspirit0 May 19, 2019 2712 views
    This topic created in 2544 days ago, the information mentioned may be changed or developed.

    一般来说如何实现？需要一个电表连接一个 dtu 吗？

  • 电表
  • dtu
  • nb-iot
  • 一般来说
    4 replies    2019-05-29 14:28:13 +08:00
    Tianao
        1
    Tianao  
       May 19, 2019 via iPhone   1
    也有有多个串口的 DTU，但用 DTU 应该是没跑了。
    Nikoyang
        2
    Nikoyang  
       May 20, 2019
    多接口的监控主机，一般是 8-16 个串口
    lostspirit0
        3
    lostspirit0  
    OP
       May 20, 2019 via iPhone
    @Nikoyang 大佬能随便抛一个购买链接吗
    Nikoyang
        4
    Nikoyang  
       May 29, 2019
    @lostspirit0 很多厂商都有，我公司也是专做动环和能耗这块。
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