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Power supply

Powering the PI 7-3

The PI 7-3 TP7 interface is to be used with the provided PSU - Emerson DP4024N3M ac power adaptor ( This is a 24 Vdc 49 W supply and is connected to the PI 7-3 via Ø5.5 mm dc jack plug.

PI 7-3 does not require a protective earth, however an equipotential bonding point is provided on the rear panel for connection to the rest of the installation.
  • PI 7-3 interface is rated to operate at +24 Vdc 0.25 A max input current

If an internal interface is fitted with the PHC10-3 PLUS, it will obtain its power internally from the PHC10-3 PLUS controller.