• Register
    • Login
    • Search
    • Categories
    • Recent
    • Tags
    • Popular
    • Users
    • Groups
    • Search

    one-wire sensor with 3 cables versus one wire sensors with 4 cables

    Other Peripherals
    2
    3
    96
    Loading More Posts
    • Oldest to Newest
    • Newest to Oldest
    • Most Votes
    Reply
    • Reply as topic
    Log in to reply
    This topic has been deleted. Only users with topic management privileges can see it.
    • J
      juntiedt last edited by

      Hello Unipi Team,

      I currently have 4 temp sensors from unipi which have 4 cables. Now I have got a one wire sensor (3 m) with only 3 cables (seems to be standard).
      How do I connect this sensor with unipi 8 port hub (old model with all ports on one side). As far as I know, on your 4 cable sensors the data line goes to the sensor and then back to the hub on another pin of the RJ plug which the goes to the next port of the hub. This would mean, that I have to bridge somehow this two pins. Result seems to be an unstable bus.

      Any idea how to connect 3 cable sensors professionally to your hub/bus?

      Martin Kudláček 1 Reply Last reply Reply Quote 0
      • Martin Kudláček
        Martin Kudláček @juntiedt last edited by

        Hello @juntiedt,
        the best way is to use the 3 wire sensor as the last one and connect the data line to the pin 6 on the RJ45 connector. Please consult this tutorial: https://kb.unipi.technology/en:automation:02-glossary:1wire-hidden

        1 Reply Last reply Reply Quote 0
        • J
          juntiedt last edited by

          thanks for your information.

          I have connected a 4 wire cable very close to the three wire sensor and connected the data line to 2 wires in order to use the hub. At the moment it works.

          1 Reply Last reply Reply Quote 0
          • First post
            Last post