USER`S MANUAL
Contents
1. all ultrasonic level meters This is a short range in front of the sensor within which the ultrasonic device can not measure Maximum measuring distance Xu The longest range under ideal condition within which the device can measure No measurement is possible beyond this distance 2 TECHNICAL DATA GENERAL DATA Product name EchoTREK STD SBD 300 series Sensor material Closed cell Polyurethane foam sensor face PUR Polypropylene sensor housing Aluminium mounting accessories Powder paint coated Aluminium 3076 75 C 30 C 60 C with SAP 100 programming module 25 C 60 C 07 1 1 bar 0 07 0 11 MPa and 0 1 bar 0 01 MPa difference between outside and internal silo space Sensor IP65 NEMA 5 Housing IP67 NEMA 6 Version 120 375VDC 5 5W 85 255 V AC 50 60 Hz 6 8 VA Version l 14 4 40VDC 4 1W 114 28 V AC 50 60 Hz 4 6 VA 0 2 of the measured distance plus 0 196 of the maximum measuring distance of the device 0mm Outputs Analogue 4 20 mA max 600 Ohm galvanically isolated overvoltage protection Relay SPDT 250 V AC 3 A 1 Display SAP 100 6 digits icons and bargraph Custom LCD Digital communication HART MODBUS Electrical protection Class Electrical connections 2 x M20x1 5 and 2 x 77 NPT for wire cross sections 0 5 2 5 mm2 Under optimal circumstances of reflection and stabilised sensor temperature TYPE SPECIFIC DATA 5 0 34 S2. is of DN300 Mounting EchoTREK SOD 31L1 version with silo tank roof opening less than 300 mm and the silo space is accessible from inside 60 100 14 69 OR SR COU S Check the split flange for matching the bore holes with that of the bolt places or counter flange on the silo Place the sealing below the flange if necessary Push the unit out of the silo upwards See on the next page s the Alu base with the ball joint over the counter flange the special flange has to be placed around the aiming arm See on the next page Put the split flange on the counter flange and lower the ball joint housing on it Slide the insertion to its place See on the next page Screw in the 4 pcs of M12 bolts See on the next page to such an extent that will allow free aiming Fasten the EhoTREK with the split flange to the counter flange or to the roof of the silo tank After completing aiming tighten the 4 pcs 12M bolts Max 3 5 Nm If the entire tilting range of the aiming arm is required the thickness of the roof can not exceed as specified on the above drawing The EchoTREK can also be mounted on existing manhole covers access lids or for instance on a steel structure lowered into a larger ex 0 5 x 0 5 m opening on the roof This solution is to be used with roof stronger than 350 380 mm Diameter of the opening Thickness of the roof D V Illustration for mounting AIMING OF THE ECHOTREK To reduce week si
3. BD 34J 5 0 33 SBD 33J 5 0 31 SBD 31J Maximum measuring distance Xu m feet 60 196 Total beam angle at 3dB Measuring frequency 30 kHz Measured from the sensor face SAP 100 PROGRAMMING AND DISPLAY MODULE Field indication 6 digits icons and bargraph Custom LCD Ambient temperature 25 C 60 C Housing material PBT fibre glass reinforced plastic flame retardant DuPont 2 1 ACCESSORIES User s Manual Installation and Programming Manual 3d edition Guarantee Card EView Light configuration software and description on CD for types of SOD 3L1L1 3 4 only 2 5 M20x1 5 cable gland ACCESSORIES TO BE ORDERED e Split flange order code SFA 3115 SAP 100 programming module EvView configuration software CD 2 2 ORDER CODES EchoTREK s o 3 J Typel or Range Code Power supply Output Transmitter T 60 m 1 Version I 120 255 V DC Stand Ex Transmitter Local Indicator B 30 m 3 85 255 V AC 15m 4 4 20 mA Relay 1 5 4 20 mA Relay HART 3 7 RS 485 MODBUS protocol Relay A E Version l 11 4 40 V DC 11 4 28 VAC 4 20 mA Relay 2 4 6 4 20 mA Relay HART 8 RS 485 MODBUS protocol Relay B F 2 3 DIMENSIONS Ball joint housing view from above SOD 33J O SOD 33X 0 SOD 34J O SOD 34xX 0 SOD 31J SOD 31X 0 max 814 v housi
4. Fc lt i eoo l ET 5 300 compact ultrasonic level transmitter series for free flowing solids USER S MANUAL Programming of the units is to perform according to the 3d edition of the INSTALLATION and PROGRAMMING MANUAL C PRINCIPLES ULTRASONIC LEVEL MEASUREMENT Angle of repose wy lt 89X 90d Jo anjen uBoud 0012 62 7 D 5 L 43 5 2 z s o e 5 5 219 09 m a gt 0 90d 40 n A 11 Ee Bulyoo1q pu Je4 lqe elds q uoneadde ay Jo jusweinseew pewwesbod gx pus solo H t0d anjen m Hluoneordde Jo ue sip Buunse wu xe lXzg d 40 anjea 11 Wy ouelslp saw uN v JO Bue1 Buunse ui Xe WN X r0d o anjen 11 7 90 Wy olA p au soue sip Buunse u Xey Thank you for choosing a NIVELCO instrument We are sure that you will be satisfied throughout its use 1 APPLICATION APPLICATION The EchoTREK SBD STD 300 series compact ultrasonic transmitters from NIVELCO are designed to measure the level of the most free flowing solids powders and granules This intelligent microprocessor based smart level transmitter offers scaleable 4 20 mA output programmable relay and HART communication Level mea
5. gnal reflection from the material surface caused by an angle of repose building due to the filling and or emptying process it is recommended to tilt the sensor by the aiming arm of the transmitter Aiming is best carried out during operation when the tank silo is almost empty In most cases the sensor should be aimed towards the middle of the tank silo bottom by aiming at the silo outlet In applications where repose is not present or with tall and narrow silos diameter height 5 aiming is not critical the sensor should face straight downwards Aiming is also aided by the informational parameters P70 P 75 see Programming Manual Aiming should also be tested with full silo since due to the great angle of repose the echo might be weak despite of the fact that level is near to the sensor n such cases a reasonable compromise of aiming should be achieved that provide acceptable echo in every state of the filling 4 ELECTRICAL CONNECTIONS e To access the electric connection point unscrew the bolt on the side of the Earthing screw electronics housing Use cable with a wire cross section of 0 5 2 5 mm Place of M20x1 5 e Electric connections may be carried out by using a single or two cables Wires in different groups A B C shown below must not be led in the same cable Group A Group B Group C 4 20 mA Low voltage power supply Selv voltage power supply RS485 Low voltage for the relay Sel vol
6. he SAP 100 programming module may cause damage to the device Avoid this by common means of preventing electrostatic discharge ex by touching a grounded point before opening the device The STD SBD EchoTREK series for solids can not be programmed by magnetl 6 MAINTENANCE REPAIR The device does not require routine maintenance In case dust adheres to the face of the sensor despite the self cleaning of the sensor face through resonance ex static build up it can be cleaned by pressurised air Equipment sent back for repair should be cleaned or sterilised by the User The User must declare that the above has been carried out Repairs during or beyond the guarantee period are carried out solely by the manufacturer 7 STORAGE CONDITIONS Environmental temperature range 30 60 C Relative humidity max 98 8 WARRANTY All Nivelco products are warranted free of defects in materials or workmanship for a period of two years from the date of purchase Repairs under guarantee are carried out at the Manufacturer s premises The Purchaser is liable for costs of dismantling and re installation as well as transport costs Nivelco shall not be liable for misapplication labour claims direct or consequential damage or expense arising from the installation or use of equipment sbd31j1a0600h_02 Febr 2004 Technical specification may be changed without notice
7. mm for fixing it For easy installation we recommend to use our special flange with a split insertion available with four sizes of DN125 150 200 300 to be ordered separately Removing the split insertion the flange is to be put around the aiming arm and the ball joint housing is to be fixed to the split flange It is essential to use the washers and the bolts 4 pcs each delovered with the split flange The ball joint will be pressed to the housing by a spring allowing adjustment aiming The 4 pcs of M12 bolts has only be tightened after completing the adjustment aiming Mounting EchoTREK versions SOO 33J and SLTL1 34 Check the split flange for matching the bore holes with that of the counter flange on the silo Remove the split insertion from the flange and put the flange around the aiming arm between the sensor and the Alu base Slide the split insertion back to its place and screw the ball joint housing to the flange with the 4 pcs M 12 bolts to such an extent that will allow free movement of the aiming arm through and tilting by the ball joint for the aiming process Pass the sensor through the opening cut on the roof and fasten the flange to its place Perform the aiming See section Aiming below For fixing the position of the aiming arm tighten the 4 pcs M 12 bolts of the ball joint housing Max 3 5 Nm Mounting EchoTREK SOD 310 versions with silo tank roof opening of 2 300 mm The procedure is the same as above but the flange dia
8. ng max 855 Ball joint housing c N NA INA m 1 1 x 1 max 20 3 INSTALLATION POSITIONING Selecting optimal location for the transmitter various considerations should be made Sunshade If the measured material is granule material size gt 5 mm and the tank roof is dome shaped or conical do not install the transmitter in the centre of the tank silo n general the transmitter can be installed on the radius rz 0 3 0 5 R Avoid that the 5 conical beam angle of the transmitter contact the tank silo wall In case the transmitter is mounted close to the wall it should be tilted See section Aiming Protect the transmitter electronics from overheating due to direct sunshine GRAVITY FILLING j PNEUMATIC FILLING Select a location that is as gE Select a location where the speed of the far away from the filling B in flowing material is the smallest point s as possible f MOUNTING See illustration for mounting on page 9 The EchoTREK consists of a sensor that is attached to the aiming arm a pipe with a ball joint housing incorporating a ball joint that is attached to the housing of the electronics It is recommended to mount the transmitter on the roof of the tank silo using a flange See drawing The Ball joint housing has a screw hole diameter of 125
9. surement technology based on the non contacting ultrasonic principle is especially suited for applications where for any reason no physical contact can be established to the surface of the material to be measured and or moving parts are to be avoided to eliminate mechanical wear out PRINCIPLE OF OPERATION D The ultrasonic level metering technology is based on the principle of measuring 07m the time required for the ultrasound pulses to make a round trip from the sensor to bu the level to be measured and back am Diameters corresponding to The sensor emits an ultrasonic pulse train and receives the echoes reflected The 3m 5 beam angle intelligent electronic device processes the received signal by selecting the echo reflected by the surface and calculates from the time of flight the distance I 47m between the sensor and the surface which constitutes the basis of all output signals of the EchoTREK A Total beam angle of 5 at 3 dB is a feature of all Nivelco s ultrasonic sensors designed for the level measurement of free flowing solids This uniquely narrow beam angle ensures reliable measurement in narrow silos with uneven side walls or sometimes even in the presence of dusting Furthermore as a result of the narrow beam angle the emitted ultrasonic signals have an outstanding focusing a sufficient signal penetration through dust is ensured Minimum measuring distance Xm also known as the Dead Band is a feature common to
10. tage 75 25 logic signal for the relay e Devices must be grounded either at the internal or external grounding screw terminals depending on the vvay of cabling e DC powered devices can be 3 wire connected n this case the terminals 41 and 6 must be interconnected n this case the galvanic isolation will not be provided e After performing the electric connections check for correct sealing and close the housing Wiring diagramme Space for the wiring for better overview without upper part 5 PROGRAMMING Modification of the parameters programming is required to customise the transmitter to the actual parameters of the tank silo Programming of the EchoTREK is described in the Installation and Programming Manual 3d edition Programming can be performed by the plug in programming and indicator module SAP 100 See chapter 5 2 and 6 of a m manual EchoTREK of the series SBL1 3LILI is containing this module The programming indicator module can be plugged or unplugged even while the unit is powered up The programming module or its place can be accessed by screwing up of the cover with window The EchoTREK can work without the programming module Units with HART or RS485 communication can be fully programmed by digital communication Necessary information for these units will be provided both in printed form and on CD Electrostatic discharge caused be touching the terminals of t
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