Omnicomm LLS 5 User manual

Omnicomm LLS 5 Fuel Level
Sensor
User Manual
02.10.2020

Contents
General information
3
Technical Specifications
4
Preparation
6
Fuel Tank Preparation
6
Sensor Preparation
8
Setting
9
“Full/Empty” Calibration
11
Omnicomm LLS 5 Sensor Setting
12
Installation and Connection
13
Calibration
15
Sealing
18
Recommendations for the Assembly of the Fuel Sensors from 3 to 6 meters in
length
20
Fuel Level Sensor Installation Recommendations for Cylindrical Fuel Tanks
21
Appendix. List of equipment for Omnicomm LLS fuel level sensors installation
24

Omnicomm LLS 5 Fuel Level Sensor
General information
This User Manual is designed for Omnicomm LLS 5 fuel level sensors.
Omnicomm LLS 5 is a fuel level sensor with RS-232 and RS-485 interfaces.
While carrying out installation, observe the safety rules and regulatory requirements for
this type of work.
Minimum allowable length of the measuring probe is 150 mm.
3
General information

Technical Specifications
Parameters Value
Measurement range, mm 0…700, 1000, 1500, 2000, 2500, 3000
REF-channel length, mm
- for sensors of 700, 1000 mm length
- for sensors longer than 1500 mm
200
700
Limit of the allowed basic level
measurement error, %
± 0,5 (when working with fuel for which the
calibration was carried out or after filling the tank to
the full when changing the type of fuel)
Output interface for measured values RS-232, RS-485
Programmable interface transmission
rate, bit/s
1200, 2400, 4800, 7200, 9600, 14 400, 19 200, 38 400,
57 600, 115 200
Power supply voltage, V 7 – 75
Power consumption, W 0,4
Current consumption, mA 40
Electric strength of galvanic isolation,
not less than, V
1500
Working temperature range, °С From -40 to +80
Relative humidity at 25 °C (without
moisture condensation), %
From 5 to 95
4
Technical Specifications

Atmospheric pressure, kPa From 84 to 107
Maximum relative humidity at 25 °С
(without moisture condensation), %
100
Ingress protection rating IP69k
Operating mode Continuous
Internal filter size From 0 to 30
Measurement time period, s 1
Overall dimensions, mm 87.3 x 83.5 x (21 + length of the measuring probe)
Weight, kg Not more than 2
Average service life, years 8
Digital reading range corresponding to
the maximum value of the measured
level
1…4095
Digital reading range corresponding to
the minimum value of the measured
level
0…1023
Temperature measuring range, °C From -40 to +80
Absolute temperature measurement
error throughout the whole range of
working temperature, °C
± 5
Parameters Value
5
Technical Specifications