Patent ID: 8774204
Filing Date: 2014-07-08
Classification: H04L

Abstract:
1. A handheld field maintenance bus monitor comprising: a plurality of terminals coupleable to a process communication loop; at least one media access unit coupled to the plurality of terminals and configured to receive digital process communication data from the process communication loop in accordance with an industry standard protocol; a controller coupled to the at least one media access unit and configured to receive the digital process communication data from the at least one media access unit; memory coupled to the controller to store the digital process communication data received from the at least one media access unit; a user interface configured to allow a user to define a condition configured to trigger a capture period; wherein, upon the occurrence of the condition, the handheld field maintenance bus monitor stores all digital process communication data occurring on the process communication loop in the memory during the capture period and groups the digital process communication data according to time.