Promag CON-485 Series Provozní pokyny stáhnout pdf (Strana 47)

Memo-Graph S 5 Operation / adjusting device settings - Set-up to commissioning

Endress+Hauser 47

5.7.3 Signal analysis

Settings only required if the inputs summarised in groups are to be analysed automatically.

The analyses (minima, maxima, averages, counter readings) can be displayed in normal operation

at the touch of a button (“Extras - Analysis”).

This information is also saved (reduces the memory available for the graphs), can also be transferred

to PC and used there.

Memory cycle Time for measured value memory cycle = cycle for updating display in normal operation (no limit value is exceeded or

limit values are not monitored). This provides the visual range for the graphic display (see value in brackets).

" Caution!

The shorter the memory cycle, the higher the memory requirement (interval available in the device is reduced)

Tip:

In order to keep the longest possible intervals in the memory, select longer store cycles and “Averages” or “Envelope

curve” under “Operating mode”. In this way, you can also keep an overview of longer intervals in the display.

Alarm cycle Time for measured value memory cycle = cycle for updating display in case of a limit value (limit value is violated). This

condition can, for example, be displayed/saved in chronologically higher resolution.

! Note!

At least one of the analogue signals allocated to the group (or PROFIBUS measuring point) must be in limit value status

and “Storing limit value” must be set to “Alarm cycle” (see “Analogue inputs - Limit values” or “Mathematics channels -

Limit values”). All channels in this group are then saved in the set alarm cycle.

" Caution!

The shorter the alarm cycle, the higher the memory requirement (interval available in the device is reduced)

Plot divisions Specifies into how many zones the screen is to be subdivided into in “Plot” display mode.

Examples:

Display from 0...100 %: select spacing in 10s

Display from 0...14 pH: select spacing in 14s

Display (colour) Select a signal/measuring point. This is then displayed in the specified colour.

Set-up -> Signal settings -> Signal groups -> Group x

Set-up -> Signal analysis

Intermediate analysis Determines min., max., averages and quantities in the time intervals defined here.

Day Determines daily minima, maxima, averages and quantities of all channels allocated in groups on daily change.

Month Determines monthly minima, maxima, averages and quantities of all channels allocated in groups on monthly change.

Year “Yes”: determines annual minima, maxima, averages and quantities of all channels allocated in groups on annual change.

“No”: alternative for the annual analysis function: the minima, maxima, averages and quantities are determined conti-

nuously. Begins after resetting, as further described below (e.g. for totalizers).

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Promag CON-485 Series Provozní pokyny Strana 47