Vaisala HydroMet Service Manual download pdf (Page 39)

Chapter 3 __________________________________________________________________ Software

VAISALA________________________________________________________________________ 37

Data transmission can include any combination of the above

mentioned methods.

Remote Maintenance

Reporting functions can also be efficiently used for remote

maintenance by:

- the system monitoring itself with real-time self-diagnostics tasks

and providing system alarms in case of system failure,

- providing system maintenance information to the system operators

remotely, so that the system status can be analyzed and required

maintenance procedures planned in advance prior to maintenance

on site, and

- providing a maintenance interface to maintenance technicians on

remote sites.

A system status message can include information on internal

temperature, available battery capacity and the status of charging,

amongst other things. In addition, hardware and software version

numbers can be included in these messages. This message can be

transmitted e.g. once a day at a set time, typically at midnight.

Logged Data in Reports

In the MAWS systems, it is possible to format output reports using the

data items in logged data files. The user can select the number of

records from the logged file to be included in the report. There are two

automatically made report formats. When using the SCAN format, the

logged data items are organized in columns, in such a way that one

column consists of the measurements of one item over a user-set

period of records. In the CHANNEL ordered report format, the logged

data are organized in rows, with one row consisting of the

measurements of one item over a period of records. The data items are

by default separated by a space, but the user can also change this

parameter.

This option is most convenient when the data is not needed in near-

real-time but will be sent e.g. every 3 or 6 hours only.

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Vaisala HydroMet Service Manual Page 39