Single pair Ethernet sensor to cloud connectors

Single pair Ethernet sensor to cloud connectors

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Long range and the uniform communication level make single pair Ethernet suitable for the transition to IIoT and Industry 4.0.
By Jean-Pierre Joosting

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The Y-SPE series of connectors for Industrial Single Pair Ethernet (SPE), available from Yamaichi Electronics, initially includes both IP20 sockets and M12 sockets with IP67 protection for PCB mounting in accordance with IEC standards 63171-2 and -6.

Single pair Ethernet offers the possibility of efficient data transmission from the sensor to the cloud. The increasing need and ability of machines, devices and components in the production environment to communicate poses challenges to previous Ethernet implementation. Especially for systems with cable distances over 100 m, there were only few possibilities in terms of Ethernet.

Due to the long range and the uniform communication level, single pair Ethernet is therefore generally considered the key in the transition to IIoT and Industry 4.0.

Transmission takes place via only two and no longer via four or eight contacts. Due to this fact, it is possible to build smaller connectors than previous RJ45 connectors. The same applies to the cables. Instead of two or four pairs, only one pair is needed. This saves space, raw materials, weight and money.

Additionally, to ensure the supply of power, SPE offers the possibility of using Power over Data Line (PoDL) — similar to Power over Ethernet (PoE). However, the limit here is around 60 W. Only the two existing stranded wires are necessary for use.


For components that require more energy, hybrid connectors have been entered as a draft standard, for example in 63171-7 for M12. Yamaichi also offers the first prototypes for this if required.

Customer-specific designs are also supported. These connectors offer the possibility of being part of SPE from the beginning and enable customers to benefit from the advantages of SPE.

Key advantages include:

  • Future-oriented technology in preparation for Industry 4.0.
  • Both mating faces available (IEC 63171-2 / -6).
  • Space and weight saving.
  • 90° and 180° sockets in IP20 and IP67 (IEC 63171-6).
  • 90° socket (IEC 63171-2).
  • Customised products possible.

www.yamaichi.de

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