Lumel ND20 - ND20 PROGRAMMING; Frontal Panel Overview

12
6. ND20 PROGRAMMING
6.1 Frontal Panel
Fig 4. Frontal panel
Description of the frontal panel:
11 – units of displayed values
12 – symbols of digital data
transmission
13 – multipliers of basic values
14 – symbols of alarm switching
on/occurrence
15 – symbols of harmonic value, THD
display
16 – symbols of energy flow
17 – symbols of min / max quantities
18 – symbols of quantity affiliation to
respective phase
19 – symbols of power, energy
character
20 – symbol of 3-phase quantity display
1 – abandon push-button – ESC
2 – push-button to displace to the left
3 – push-button to decrease the value
4 – push-button to increase the value
5 – push-button to displace to the right
6 – acceptance push-button - ENTER
7 – symbol of displayed value of
averaged active power
8 – display field of mean values,
frequency, time, power guard
9 – display field of basic quantities, energy,
THD, harmonics, date (rows 1, 2, 3)
10 – symbols indicating the display of
power factor, power tangent and
THD (row 4)
1
6
2
4
3 5
12
13
1416
7
8
15
17
18
19
20
10
9
11