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Omnicomm LLS-Ex 5, User Manual

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fuel level sensor, located in a hazardous area, and an external device, located in an
explosion-proof area, and limits the values of voltage and current to intrinsically safe.

BIS-MX must always be grounded when in use.

BIS-MX is part of the connected electrical equipment; it executes the “intrinsically safe
electrical circuit” type of explosion protection - i, the “extra explosion-proof” level of
explosion protection - a, and IIB category, carries the [Exia] IIB explosion-proof marking.

BIS-MX is a passive device.

5

General Information

Summary of Contents for LLS-Ex 5

Page 1: ...Omnicomm LLS Ex 5 Fuel Level Sensor and BIS MX Intrinsic Safety Unit User Manual 06 07 2020 ...

Page 2: ...ers of Intrinsic Safety 9 Omnicomm LLS Ex 5 sensor 9 Special conditions for safe operation of Omnicomm LLS Ex 5 9 Preparation 10 Fuel Tank Preparation 10 Sensor Preparation 12 Setting 13 Empty Full Calibration 15 Omnicomm LLS Ex 5 Sensor Settings 16 Installation and Connection 17 Connecting the Omnicomm LLS Ex 5 fuel level sensor to an external device using BIS MX 20 Calibration 22 Sealing 25 ...

Page 3: ...ers in length 26 Fuel level sensor installation recommendations for cylindrical fuel tanks 27 Appendix List of equipment for Omnicomm LLS Ex 5 fuel level sensors and BIS MX Intrinsic Safety Unit installation 30 Omnicomm LLS Ex 5 sensor 30 BIS MX Intrinsic Safety Unit 31 ...

Page 4: ...r calibration is adjusted automatically when fuel composition or properties change The types of fuel in which the sensor can operate gasoline summer fuel and winter diesel fuel and other liquid light petroleum products Different versions of Omnicomm LLS Ex 5 are available depending on the length of the measuring probe 700 mm 1000 mm 1500 mm 2000 mm 2500 mm 3000 mm Any measuring probe longer than 3...

Page 5: ...ically safe BIS MX must always be grounded when in use BIS MX is part of the connected electrical equipment it executes the intrinsically safe electrical circuit type of explosion protection i the extra explosion proof level of explosion protection a and IIB category carries the Exia IIB explosion proof marking BIS MX is a passive device 5 General Information ...

Page 6: ...f the allowed main reduced error of level 0 5 when working with fuel for which the calibration have been performed or upon filling up the tanker full in case of changing fuel type Interface for measured values output 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 5 1 Power consumption not more than W ...

Page 7: ...l code range corresponding to the maximum level measurement value 1 4095 Digital code range corresponding to the minimum level measurement value 0 4095 Temperature measuring range C From 40 to 80 Measurement time period sec 1 Automatic data output interval sec From 1 to 255 Operating mode Continuous Overall dimensions mm 87 3 x 83 5 x 21 measuring probe length Parameter Value 7 Technical Specifica...

Page 8: ... Intrinsic Safety Unit Parameter Value Power supply voltage V 8 50 Maximum input voltage Um V 250 Open circuit voltage U0 V 2 x 5 1 Short circuit current I0 A 2 x 0 13 Maximum external capacitance С0 µF 2 x 15 Maximum external inductance L0 mH 2 x 1 0 Operating temperature range С From 60 to 80 Body protection rating IP69k 8 Technical Specifications ...

Page 9: ...internal inductance Li mH 0 5 Special conditions for safe operation of Omnicomm LLS Ex 5 In order to avoid ignition from frictional sparks which appear from friction or collision it is recommended to install at places which restrict access to the exterior parts of the fuel sensor It is necessary to protect the sensors body from accidental shocks or friction It is recommended to use a protective se...

Page 10: ...tank When installed the sensor should not be in contact with reinforcement ribs and auxiliary equipment inside the tank Installation of two sensors in one fuel tank allows for significant reduction of the fuel level dependence on the vehicle inclination angle 2 Steam out the tank to ensure compliance with the safety rules 3 Drill out the central bore by bimetal core drill ø35 mm 4 Drill out four m...

Page 11: ... on the tank material ø 4 mm for metal tanks with wall thickness over 3 mm cut M5 thread ø 7 mm for plastic and metal tanks with wall thickness up to 3 mm for rivets ø 4 mm for plastic tanks with wall thickness over 3 mm 11 Preparation ...

Page 12: ...ng to the figure 2 Install the central partition into the sensor measuring part at the depth of 1 cm Cut the REF channel only if the length of the REF channel and the measuring part is less than 100 mm 1 Install the central partition in the REF channel in close proximity to the cut point 2 Cut with a cutting wheel max 125 mm in diameter 3 Remove a section of the REF channel rod The REF channel rod...

Page 13: ...irmware update is only done via RS 485 interface connection Connect the sensor to a PC Omnicomm LLS Ex 5 sensors are connected according to the schemes Run the Omnicomm Configurator program on your PC 13 Setting ...

Page 14: ...Omnicomm Configurator PC Fuel level is displayed without regard for filtration 14 Setting ...

Page 15: ...nsor in the fuel to the full length of the measuring probe 3 Wait for the green Stabilized indicator to appear Press Full to set the value corresponding to a full tank 4 Take the Omnicomm LLS Ex 5 sensor out of the container and allow the fuel to flow down the measuring piece for 1 minute Press Empty to set the value corresponding to an empty tank 5 Press the Record into device button 15 Setting ...

Page 16: ... out by an external device Minimum filtration is used when the device is installed in stationary fuel storages and non mobile machinery Medium filtration is used when the vehicle operates under normal road conditions Maximum filtration is used when the vehicle operates under harsh road conditions Automatic data output select Disabled no independent data output without request is performed Enabled ...

Page 17: ...drical fuel tanks with the diameter 420 710 mm follow the instructions in the section Fuel level sensor installation recommendations for cylindrical fuel tanks 1 Put the vendor furnished mounting point gasket on the Omnicomm LLS Ex 5 sensor measuring probe 2 Put the Omnicomm LLS Ex 5 sensor into the tank and fix it when securing with bolts first put on a spacer and a spring washer when securing to...

Page 18: ...Z MX cable where y is the length of the cable e g KTZ 10MX manufactured by Omnicomm The use of other mounting cables as well as the extension or reduction of the standard cables is forbidden Pinout of the sensor connector 18 Installation and Connection ...

Page 19: ...Name of the signal Color of the wire RS 485 A Orange white RS 485 B Blue white RS 232 Tx Pink RS 232 Rx Gray V Power Brown Ground White 19 Installation and Connection ...

Page 20: ...evice using BIS MX BIS MX can connect up to two LLS Ex 5 fuel level sensors to an external device If only one sensor is connected put a cover on the empty connector Connect two Omnicomm LLS Ex 5 fuel level sensors as shown in the diagram 20 Installation and Connection ...

Page 21: ...Connect one Omnicomm LLS Ex 5 fuel level sensor as shown in the figure 21 Installation and Connection ...

Page 22: ...ation Calibration of the fuel tank is necessary to verify the conformity of the digital code issued by the Omnicomm LLS Ex 5 sensor s digital code and the fuel volume in a particular fuel tank 22 Calibration ...

Page 23: ...calibration with one sensor Before the calibration process add the necessary quantity of sensors and specify the network addresses All sensors are calibrated at one time Connect several sensors to PC using a KTZ splitter Calibration of the tank with one Omnicomm LLS 5 sensor 1 Empty the fuel tank 2 Connect the sensor to PC according to the diagram in the Setting section 3 Run Omnicomm Configurator...

Page 24: ...ificate 7 Press Add line The refueling volume equal to the predefined flow interval will be displayed in the Liters column The value equal to the refueling volume will be displayed in the Sensor column 8 Press Add line 9 Repeat items 6 7 and 8 according to the number of control points The minimum recommended number of control points 20 10 Press the Finish calibration button 11 Save the calibration...

Page 25: ...sing and push them in as far as possible Connect the Omnicomm LLS Ex 5 connector to the mounting cable until their typical clicking position Run the flexible piece of the seal through the connectors Run the flexible piece of the seal through the hole in the seal body Tighten up the connection Cut off the protruding part of the flexible part of the seal 25 Sealing ...

Page 26: ... cut the excess of the measuring part The measuring probe extension must be cut only from the threadless side 3 Connect them by screwing completely the central rod of the fuel sensor and the extension of the measuring part 4 Move the profile tube of the extension of the measuring part until it is levels with the profile of the sensor 26 Recommendations for the assembly of the fuel sensors from 3 t...

Page 27: ... gap of the reference channel on each side of the coupling In the way that the probes will touch the inside of the tubing 8 If necessary cut the excess of the rod until it is levels with the tube Fuel level sensor installation recommendations for cylindrical fuel tanks When installing the fuel sensor onto cylindrical fuel tanks with the diameter 420 710 mm it is necessary to purchase a set of gask...

Page 28: ...mnicomm LLS Ex 5 fuel level sensors The sensor s cable should align with the direction of the vehicle or shall be located on the long side of the fuel tank 28 Fuel level sensor installation recommendations for cylindrical fuel tanks ...

Page 29: ...29 Fuel level sensor installation recommendations for cylindrical fuel tanks ...

Page 30: ...el Level Sensor 1 2 Casing seal 1 3 Assembly parts kit 1 4 Mounting cable 1 In case of warranty replacement no cable is provided in the supply set 5 Gloves 1 6 Passport 1 Assembly parts kit No Name Quantity pcs 1 Gasket 1 2 Closed end M5 rivet nut 4 30 Appendix List of equipment for Omnicomm LLS Ex 5 fuel level sensors and BIS MX Intrinsic Safety Unit installation ...

Page 31: ... 10 Coupling sleeve 4 11 Centering retainer wall 1 12 Seal tie 1 No Name Quantity pcs BIS MX Intrinsic Safety Unit BIS MX spark protection unit on voltage regulation tubes No Name Quantity pcs 1 BIS MX unit 1 2 BIS MX cover 1 31 Appendix List of equipment for Omnicomm LLS Ex 5 fuel level sensors and BIS MX Intrinsic Safety Unit installation ...

Page 32: ...e 1 2 Mounting cable 7m corrugated tube 1 3 Bolt М4 х 16 DIN 933 5 4 Flat washer 4 3 mm DIN 125 6 5 Lock washer 4 1 mm DIN 127 6 6 Nut М4 DIN 934 6 7 Fuse 1A 1 8 Fuse holder 1 9 Coupling piece 4 32 Appendix List of equipment for Omnicomm LLS Ex 5 fuel level sensors and BIS MX Intrinsic Safety Unit installation ...

Page 33: ...info omnicomm world com www omnicomm world com ...

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