US 7,609,719 B2
System and method for simultaneous communication on modbus and DNP 3.0 over Ethernet for electronic power meter
Erran Kagan, Great Neck, N.Y. (US); Fredrick Slota, Lake Ronkonkoma, N.Y. (US); Wei Wang, Bronx, N.Y. (US); and Joseph Spanier, Brooklyn, N.Y. (US)
Assigned to Electro Industries/Gauge Tech, Westbury, N.Y. (US)
Filed on Mar. 23, 2005, as Appl. No. 11/87,438.
Application 11/087438 is a continuation in part of application No. 10/969592, filed on Oct. 20, 2004.
Claims priority of provisional application 60/617689, filed on Oct. 12, 2004.
Prior Publication US 2006/0077999 A1, Apr. 13, 2006
Int. Cl. H04J 3/16 (2006.01)
U.S. Cl. 370—466  [370/469] 10 Claims
OG exemplary drawing
 
6. A system for providing simultaneous communications between an electronic power meter and a plurality of applications, said system comprising:
the plurality of applications each being supported by at least one computing device; and
the electronic power meter operating under a first protocol comprising:
means for receiving a data packet over an Ethernet connection via an Ethernet card, said data packet using an Ethernet protocol wrapper;
means for removing said Ethernet protocol wrapper;
means for determining a secondary protocol used by said data packet by inspecting said data packet after said Ethernet protocol wrapper is removed;
means for routing said data packet to the electronic power meter based on said determining said secondary protocol including means for routing if the determined secondary protocol matches the first protocol;
means for appending a wrapper according to the first protocol to said data packet based on said determining said secondary protocol including means for appending said wrapper according to the first protocol if the secondary protocol does not match the first protocol and means for routing the data packet to the electronic power meter after the wrapper is appended to the data packet;
means for parsing said data packet;
means for providing a response packet including electrical energy metering information of said electronic power meter using said first protocol from the electronic power meter to the Ethernet card;
means for appending an Ethernet protocol wrapper to said response packet; and
means for transmitting said response packet over said Ethernet connection.