What's the impact of IEEE PoE standards on industrial applications?

Aug. 23, 2011

Ian Verhappen wrote that Power over Ethernet (PoE) certainly removes the single-cable constraint to using Ethernet in the field (see in "PoE-The Missing Link"). The challenge faced by PoE for automation applications is that the 802.3af standard specified a voltage of 48 Vdc, while this industry has standardized on 24 Vdc. So far, at least one industrial Ethernet equipment supplier released a PoE splitter with a 24 Vdc output.

The IEEE PoE Standards Continue to Evolve, so what's the impact of these "new" IEEE standards on industrial applications?

Ian Verhappen wrote that Power over Ethernet (PoE) certainly removes the single-cable constraint to using Ethernet in the field (see in "PoE-The Missing Link"). The challenge faced by PoE for automation applications is that the 802.3af standard specified a voltage of 48 Vdc, while this industry has standardized on 24 Vdc. So far, at least one industrial Ethernet equipment supplier released a PoE splitter with a 24 Vdc output.

The IEEE PoE Standards Continue to Evolve, so what's the impact of these "new" IEEE standards on industrial applications?You can read Verhappen's article "PoE -- The Evolution Continues" to learn more.

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