Seneca S6001, Руководство пользователя

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Doc. MI004620-I
S6001 Pump controller
Rev. 0
www.seneca.it
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User Manual
40
Graph display area of the historical trend of the plant variables. The following values are listed
in a default interval of 5 minutes:
- Set Point (SP), in yellow;
- process variable (PV), in blue;
- control variable (CO), in orange;
- number of active pumps, in green.
41
Numerical indications of the values of:
- Set Point (SP), on a yellow background;
- control variable (CO), on an orange background;
- process variable (PV), on a blue background;
- number of active pumps, on a green background.
When the cursor
(46) is not active, N/D is shown under the numerical indications, when it is
active, the numerical indications correspond to the values that the cursor is intersecting in the
different graph curves.
43 Cursor activation key. Press the button to activate the cursor on the graph.
44
Cursor back key. When the key is pressed, the cursor scrolls back in time by a quantity equal
to 1/100 of the interval displayed in the display area (40) . The key is initially disabled (grey),
when the key is pressed (43) it is enabled (blue).
45
Cursor forward button. When the key is pressed, the cursor scrolls forward in time by a
quantity equal to 1/100 of the interval displayed in the display area (40) . The key is initially
disabled (grey), when the key is pressed (43) it is enabled (blue).
46
Cursor for the precise reading (at a certain time) in the graph of the historical trend of the plant
variables. The read values are displayed in (41) .
47 Key to return to the “Trend” page (Fig. 55 on page 68) .
Tab. 55 “Historical trend” screen