Handheld field maintenance tool with improved diagnostics

A handheld field maintenance tool comprising:

• a process communication module configured to interact with a field device;
• a display;
• a wireless communication module;
• and
• a controller coupled to the process communication module, the display and the wireless communication module, the controller being configured to obtain process alarm information through the wireless communication module, and field device alert information through the process communication module and provide an indication on the display relative to both process alarm information and field device alert information.

A handheld field maintenance tool comprising:

• a process communication module configured to interact with a field device;
• at least one user input device;
• and
• a controller coupled to the process communication module, and the user input device, the controller being configured to execute a sequence of field device maintenance operations on the field device in response to a signal from the user input device.

A handheld field maintenance tool comprising:

• a process communication module configured to interact with a field device;
• at least one user input device;
• and
• a controller coupled to the process communication module, and the user input device, the controller being configured to obtain snapshot information in response to a signal from the user input device.