Intrinsically safe field maintenance tool
First Claim
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1. An intrinsically safe field maintenance tool comprising:
- terminals selectably coupleable to a process communication loop having a process industry standard communication protocol;
first and second media access units coupled to the terminals, wherein the first media access unit is adapted to communicate in accordance with a first process industry standard communication protocol, and wherein the second media access unit is adapted to communicate in accordance with a second process industry standard communication protocol;
a processor coupled to the first and second media access units;
a keypad coupled to the processor to receive user input;
a display coupled to the processor to display data; and
an infrared port coupled to the processor to wirelessly communicate with an external device.
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Abstract
An improved intrinsically safe field maintenance tool is provided. The tool is operable with process communication loops in accordance with a plurality of process industry standard protocols. Aspects of the invention include hardware features such as an infrared port; removable memory module; and an expansion memory module. Additional aspects of the invention include protocol-specific diagnostic methods executable with the improved intrinsically safe field maintenance tool.
127 Citations
10 Claims
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1. An intrinsically safe field maintenance tool comprising:
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terminals selectably coupleable to a process communication loop having a process industry standard communication protocol;
first and second media access units coupled to the terminals, wherein the first media access unit is adapted to communicate in accordance with a first process industry standard communication protocol, and wherein the second media access unit is adapted to communicate in accordance with a second process industry standard communication protocol;
a processor coupled to the first and second media access units;
a keypad coupled to the processor to receive user input;
a display coupled to the processor to display data; and
an infrared port coupled to the processor to wirelessly communicate with an external device.
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2. An intrinsically safe field maintenance tool comprising:
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terminals selectably coupleable to a process communication loop having a process industry standard communication protocol;
first and second media access units coupled to the terminals, wherein the first media access unit is adapted to communicate in accordance with a first process industry standard communication protocol, and wherein the second media access unit is adapted to communicate in accordance with a second process industry standard communication protocol;
a processor coupled to the first and second media access units;
a keypad coupled to the processor to receive user input;
a display coupled to the processor to display data; and
a removable memory module removably coupled to the processor. - View Dependent Claims (3, 4, 5, 6)
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7. An intrinsically safe field maintenance tool comprising:
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terminals selectably coupleable to a process communication loop having a process industry standard communication protocol;
first and second media access units coupled to the terminals, wherein the first media access unit is adapted to communicate in accordance with a first process industry standard communication protocol, and wherein the second media access unit is adapted to communicate in accordance with a second process industry standard communication protocol;
a processor coupled to the first and second media access units;
a keypad coupled to the processor to receive user input;
a display coupled to the processor to display data; and
an expansion memory module coupled to the processor via a connector disposed on a mainboard. - View Dependent Claims (8, 9, 10)
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Specification