×

SYSTEMS AND METHODS FOR WRITE PROTECTING FOUNDATION FIELDBUS LINKING DEVICES

  • US 20120310378A1
  • Filed: 06/13/2011
  • Published: 12/06/2012
  • Est. Priority Date: 05/31/2011
  • Status: Active Grant
First Claim
Patent Images

1. A method comprising:

  • receiving, by a gateway device comprising one or more computers, a message output by an external system for communication to a Foundation Fieldbus linking device, wherein the linking device is identified by a virtual address;

    determining, by the gateway device, whether the message comprises a command to write data to the linking device or a Foundation Fieldbus device connected to the linking device; and

    directing, by the gateway device if it is determined that the message does not comprise a command to write data, communication of the message to the linking device;

    orgenerating, by the gateway device if it is determined that the message comprises a command to write data, an exception for preventing the requested write operation.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×