Patent ID: 6925419
Filing Date: 2005-08-02
Classification: G05B

Abstract:
1. An intrinsically safe field maintenance tool comprising: terminals selectably coupleable to a process communication loop having a process industry standard communication protocol; a first media access unit coupled to the terminals, wherein the first media access unit is configured to communicate in accordance with a first process industry standard communication protocol; a second media access unit coupled to the terminals, the second media access unit configured to communicate in accordance with a second process industry standard communication protocol a processor coupled to the first media access unit and the second media access unit; a keypad coupled to the processor to receive user input; a display coupled to the processor to display data; and a battery pack connector adapted to removeably couple to a removable battery pack and provide power to circuitry in the intrinsically safe field maintenance tool and provide power to circuitry in the intrinsically safe field maintenance tool.