Grundfos AR Serie Montage- Und Betriebsanleitung Seite 23

Current input and current output with weighting
[Strokes/min.]
f f
max.
max
1
60
60
min
f
f
min.
min
0 mA 0
Fig. 29 Current signal control with weighting
Setting the weighting (in the second function level)
Menu
0-20 mA
Analog
4-20 mA
20 mA
Down
5 - 20 mA
Menu
Fig. 30 Setting the weighting
The set value for the current input of the reference point
(default is maximum current input of 20 mA) appears in the
display.
1. Use the "Up" and "Down" buttons to set the current input for
the reference point mA select between 5 and 20 mA
(e.g. 6 mA).
2. Press the "Start/Stop" button.
– The set stroke frequency of the reference point
(default is f ) appears in the display.
max.
3. Use the "Up" and "Down" buttons to set the desired stroke
frequency f (e.g. f = 60 1/min).
select
– Press the "Menu/Info" button.
Confirm the setting and move on to the next menu item, or
– press the "Start/Stop" button.
Confirm the setting and close the second function level.
8.7.6 Displaying the total number of operating hours
The operating hours counter indicates the total operating time of
the drive, e.g. to check maintenance intervals. The maximum
number of operating hours that can be displayed is 99990 h
(display = 9999).
The operating hours counter cannot be reset.
Multiply the number displayed by 10 to determine the
Note
total number of operating hours.
3
4 mA 4 8 mA 8
Up
0-20 mA Analog
4-20 mA
6
mA
Start
I
out
I
out
12 mA 12 16 mA 16
0-20 mA Analog
Stop
4-20 mA
1/min
120
[mA]
I
20 mA 20
out
Up
0-20 mA Analog
4-20 mA
1/min
60
Down
Stop
Start
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