DROPSA 2487001 Manual de operação e manutenção do utilizador - Página 11
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These are amplified sensors AC. In this version, the standard characteristics of the sensors
include protection against permanent load short circuit, and protection against the peaks
produced when the inductive loads are disconnected.
7.2.3 Procedure for calibrating the laser probe 24V cc Out 4÷20mA/2 NO (4 thresholds)
The laser probe has an on-board viewing and programming display. It is possible to work in analogue (with a 4 to 20 mA signal)
or digital (two outputs and four intervention thresholds) mode.
The table with the laser probe calibration parameters is shown below.
Figure 6
7.2.4 CALIBRATION THRESHOLDS OF THE ULTRASOUND PROBE (optional)
The green led indicates the probe is powered.
Below the table with the calibration parameters of ultrasound probe, for 10 and 30 kg reservoirs.
Figure 7
NOTE: To change calibration thresholds of laser and ultrasound probes contact DROPSA staff
8. PROBLEMS AND SOLUTIONS
:
ATTENTION
Pos.
Level
A
Absolute
maximum level
C
Minimum level
B
Maximum level
D
Absolute
minimum level
Yellow LED indicates the operating mode of reading.
Pos.
Level
Absolute
A
maximum
level
Absolute
B
minimum
level
The machine may only be opened and repaired by authorised Dropsa personnel.
L
ASER PROBE CALIBRATION
Output signal
Set-up
nsP2
OUT 2= Fno
fsP2
nsP1
fsP1
OUT 1= Fno
ULTRASOUND PROBE CALIBRATION
Reservoir 10 kg
Output
Height X
signal
[mm]
1 threshold
110
2 threshold
270
SENSITIVITY
ADJUSTMENT
SENSOR (BACK VIEW)
10 kg Reservoir
Height X
Grease
Height X
[mm]
quantity
[kg]
220
11
300
5
250
9
330
3
Reservoir 30 kg
Grease
Height X
quantity [kg]
[mm]
10
110
4
490
LED
CABL
30 kg Reservoir
Grease
[mm]
quantity
[kg]
220
23
490
5
250
21
520
3
Grease
quantity [kg]
25
2
11