Siemens SITRANS LR 300 - Manuals

7ML19985CL02 SITRANS LR 30 0 – INSTRUCTION MANUAL Page 5 mmmmm Gener al Informat ion General Information The Manual Refer to this manual for proper installation, operation, and maintenance of your IQ Radar 300. The margin tabs denote the sections, and each section presents SITRANS LR 300 features. S...

Page 6 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m G ene ra l I nfo rm at io n SITRANS LR 300 The SITRANS LR 300 is to be used only in the manner outlined in this manual, otherwise protection provided by the equipment may be impaired.SITRANS LR 300 is a versatile process level-monitoring...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 7 mmmmm Specificat io ns Specifications SITRANS LR 300 Power • 24–230 Vac, +15%, 40–70Hz, 28 VA (11W) or • 24–230 Vdc, +15%, (9W) Normal start up takes about 2 seconds to power up the unit. If something (such as hesitation in plugging in the unit...

Page 8 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Specificat ions Performance 1 • frequency: 5.8 GHz (U.S.A. 6.3 GHz) • accuracy at 20° C: ±15mm from 0.4m to 10m ± 0.15% from 10m to 20m • temperature drift: <±0.25% of range from –40 to 60° C ( –40 to 140° F) • measuring range: 0.4m t...

Page 10 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Specificat ions Process • material dielectric: ε r > 1.8 for ε r < 3, you should use a waveguide antenna or stillpipe (see Mounting: Waveguide Antenna on page 30 , or Mounting: Stillpipe or Sidepipe on page 31) • temperature: UHMW...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 13 mmm mm Installation Installation Mounting Location • Do not mount in direct sunlight without the use of a sun shield. Refer to Appendix III, Ambient/Operating Temperature Specification, on page 101 . Notes: • Installation shall only be perform...

Page 14 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Beam Spreading Polarization Effect Mounting the unit too close to a wall may cause echoes to disappear at specific levels due to wave cancellation. A strong false reflection from an internal tank obstruction can be reduce...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 15 mmm mm Installation Dimensions: SITRANS LR 300 with Rod Antenna * Flange thickness 25mm (1") nominal. ** Standard length, 50mm and 100mm (2” and 4") extensions available. Note: Please see next page for notes on process temperature and ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 17 mmm mm Installation Dimensions: Threaded Rod Notes: • The use of Teflon tape or other appropriate sealant may be used to aid in sealing tapered threaded connections for use in pressure applications. • Process temperature and pressure capabilit...

Page 18 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Dimensions: Shielded Rod Notes: • The use of Teflon tape or other appropriate sealant may be used to aid in sealing tapered threaded connections for use in pressure applications. • Process temperature and pressure capabil...

Page 20 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Dimensions: Waveguide Notes: • You can connect a maximum of two waveguides together.• This option is recommended only for clean liquids on vessels without agitators or turbulence. • Horizontal stress on this antenna must ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 21 mmm mm Installation Dimensions: Sliding Waveguide Configuration Note: Please see next page for notes on process temperature and pressure capabilities, as well as enclosure recommendations. WARNING: The user is responsible for the selection of ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 23 mmm mm Installation Dimensions: Sanitary Horn Notes: • Process temperature and pressure capabilities are dependent upon information on the process device tag. Reference drawing listed on the tag is available upon request. • The Process Device ...

Page 24 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Dimensions: Sanitary Rod Notes: • Process temperature and pressure capabilities are dependent upon information on the process device tag. Reference drawing listed on the tag is available upon request. • The Process Device...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 27 mmm mm Installation Mounting * Refer to the Rod Extension Requirements table on page 28. Notes: • The Integral process seal MUST rest on the customer flange. See detail showing a correctly mounted unit. • The straight/taper transition of the r...

Page 28 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Rod Assembly Rod Extension Requirements n/r extension not required * Consult Siemens Milltronics for assistance with nozzle sizes not listed.** Application not recommended for 50mm (2”) I.D. nozzles longer than 100mm (4”)...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 29 mmm mm Installation If the mounting illustrated on page 28 is not suitable due to the minimum blanking requirements, consider the shielded rod or horn antenna options. Nozzles that are 200mm (8”) or larger in diameter provide excellent signal ...

Page 30 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Mounting: Horn Antennas or Shielded Rod The end of the horn, or the end of the shield section, should protrude a minimum of 10mm (0.5”) to avoid interference with the nozzle. Mounting: Waveguide Antenna This option is rec...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 31 mmm mm Installation Mounting: Stillpipe or Sidepipe This is an alternative to the waveguide antenna option, used for products with an ε r less than 3 or for extremely turbulent or vortex conditions. This mounting arrangement can also be used t...

Page 32 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Inst allat ion Mounting: Horn with Waveguide Extensions Mounting: Sanitary Rod Antenna Use this combination if the nozzle is long and the diameter is small. For example, if the nozzle is 10 0mm (4”) in diameter and 460mm (18”) in length...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 33 mmm mm Int erc onnect ion Interconnection SITRANS LR 300 Terminal Block Two options are available. The Intrinsically Safe mAmp Output Version has a shield installed: the standard version does not. Wiring requirements: • Increased safety, EEx e...

Page 34 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Int er connect ion SITRANS LR 300 Wiring Notes • Installation shall only be performed by qualified personnel and in accordance with local governing regulations. • The equipment must be protected by a 15 A fuse or circuit breaker in the ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 35 mmm mm Int erc onnect ion Communications Installation Wiring Guidelines • RS-485 maximum length is 1,200 meters (4,0 00 feet). • Use good quality communication grade (shielded twisted pairs) cable for port 1, as recommended for RS-485. • Conne...

Page 36 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Int er connect ion PC Connection To connect the device to a computer requires the use of a RS-485 to RS-232 converter. Siemens Milltronics offers a converter that is powered by the RS-232 port on the computer (part number 7ML1830-1HA). ...

7ML19985CL02 SITRANS LR 30 0 – INSTRUCTION MANUAL Page 37 m mmmm St art Up Start Up Overview The SITRANS LR 300 has two modes of operation: RUN and PROGRAM. After you have completed the installation procedures and powered up the SITRANS LR 300, the unit starts in RUN mode and detects the distance fr...

Page 38 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmmm St art U p Programming PROGRAM mode has two states: EDIT and DISPLAY. In DISPLAY state, the parameter number, parameter type, and parameter value are being displayed. In EDIT state, the EDIT icon is also visible, indicating that the devi...

7ML19985CL02 SITRANS LR 30 0 – INSTRUCTION MANUAL Page 39 m mmmm St art Up Hand Programmer The programmer is a sturdy, hand-held, programming unit offering immediate access to the configuration parameters. Point the programmer at the lower portion of the SITRANS LR 300 display window (from a maximum...

7ML19985CL02 SITRANS LR 30 0 – INSTRUCTION MANUAL Page 41 m mmmm St art Up Accessing PROGRAM Mode PROGRAM mode has two states: EDIT and DISPLAY. In DISPLAY state, the parameter number, parameter type, and parameter value are being displayed. In EDIT state, the EDIT icon indicates that the unit is ac...

Page 42 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmmm St art U p Direct Address In PROGRAM mode, you can access a parameter directly by entering its number. Modifying a Parameter Value Once a parameter is accessed, you can set or modify its values. Changing Parameter Values 1. Press the PRO...

7ML19985CL02 SITRANS LR 30 0 – INSTRUCTION MANUAL Page 43 m mmmm St art Up Resetting a Parameter to Factory Setting Accessing RUN Mode Quick Start Programming 1. Configure all parameters to their factory settings by performing a master reset via Parameter 999 (see page 82). 2. Set the following para...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 45 mmmmm Oper ation Operation Overview The SITRANS LR 300 is an advanced level-measuring device for liquids and slurries. Using advanced pulse radar technology, the device calculates material level by emitting a series of radar pulses and then an...

Page 46 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Ope rat ion Loss of Echo (LOE) A loss of echo (LOE) occurs when the calculated measurement is judged to be unreliable because the confidence (P805) is less than the threshold (P804). Refer to Operation Troubleshooting on page 92. If the...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 47 mmmmm Oper ation Analog Output The SITRANS LR 300 can be programmed to provide an analog output (P200) of 4 to 20 mA, and for proportional or inverse span. Programming When the unit is put into PROGRAM mode, the analog output level holds its p...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 49 mmmmm Applications Application Examples These SITRANS LR 300 application examples can be used as set-up references. The parameter value tables relate the values to the functions. Application Example: Asphalt in Storage Tank Run : To start norm...

Page 50 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Applicat ions Application Example: Horizontal Tank with Volume The application is to obtain a level measurement and corresponding 4-20 mA output proportional to vessel volume in a chemical tank. The bottom of the antenna flange is 3.5m ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 53 mmmmm Applications Application Example: Stillpipe or By-pass Pipe This is an alternative to the waveguide antenna option, used for products with an ε r of less than 3, or if extremely turbulent or vortex conditions exist. Suitable pipe diamete...

Page 54 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Applicat ions * These values are provided as a guideline. 1. As a result of the extremely high signal to noise ratio experienced in pipe propaga-tion, the blanking may be set to 0.1 m (4"). Normally, a minimum distance of 0.25 m (10...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 55 mmm mm Pa ra m ete rs Parameter Descriptions The parameters are the programmable features of the SITRANS LR 300. Adjust the value settings on the parameters to configure the unit. The parameter tables show the values you need to enter in bold ...

Page 56 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s Quick Start Parameters (P001 to P007) Parameters P001 to P007 are the main settings that apply to all applications and make the system operational. P001 Operation (F = 3) Sets the display variable for the local LCD only....

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 57 mmm mm Pa ra m ete rs slower response time is associated with greater reliability. Noisy applications or those with agitators tend to be more manageable at slower response rates, as these make use of filtering, echo verification, and longer Fa...

Page 60 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P051 Maximum Volume (F = 100 i.e. 100%) For readings in volumetric units (rather than percent), enter the vessel volume between Empty (P006) and Span (P007). The units of measurement for this reading are non-dimensional....

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 61 mmm mm Pa ra m ete rs P054 Breakpoint Levels (F = – – – –) When the tank shape is too complex for any of the pre-configured shapes, you can specify the volume based on segment. Enter up to 32 level breakpoints (where volume is known) if P050 =...

Page 62 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s Display and Reading Parameters (P060 to P063) P060 Decimal Position (F = 2) Defines the maximum number of decimal places used on the LCD. In RUN mode, the decimal position is adjusted to prevent the number of digits from...

Page 64 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s mA Output Parameters (P201 to P219) P201 mA Output Function (F = 1) Alters the mA output/measurement relationship. Set independently from P001. This determines the primary variable for HART/Profibus PA, and should not be...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 65 mmm mm Pa ra m ete rs P210 mA Setpoint Parameter Used to set the process level that corresponds to the 4 mA value. 4 mA always defaults to 0, and P201 determines whether this is a level, space, or distance measurement. P211 mA Setpoint Paramet...

Page 66 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P219 mA Output Fail-Safe Used to set the mA Fail-Safe operation, independent of the Fail-Safe Material Level (P071). Installation Records Parameters (P340 to P346) P340 Manufacture and Calibration Dates Displays the year...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 67 mmm mm Pa ra m ete rs P343 Internal Temperature See Appendix III, (Ambient/Operating Temperature Specification) on 101 for more details. P346 Serial Number Displays the serial number of the unit. 3 Values Index Temperature 1 Current Internal E...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 69 mmm mm Pa ra m ete rs Rate Parameters (P700 and P701) These parameters determine how material level changes are reported. P700 Maximum Fill Rate Adjusts the SITRANS LR 300 response to increases in the actual material level (or an advance to a ...

Page 70 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s Measurement Verification Parameters (P709 to P713) P709 Damping Filter Stabilizes the reported level due to level fluctuations (such as a rippling or splashing liquid surface) within the Echo Lock Window (P713). The valu...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 71 mmm mm Pa ra m ete rs P712 Echo Lock Sampling Sets the number of consecutive echoes appearing above or below the echo currently locked onto. Sampling ratio must occur before the measurements are validated as the new reading (for Echo Lock P711...

Page 72 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s Communications Parameters (P750 and P752) P750 Ident Number Section (F = 0) Directs the device to use either the manufacturer-specific (Siemens Milltronics) identification number, or the profile-specific ident number (Cl...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 73 mmm mm Pa ra m ete rs P771 Bus Address (for Modbus) (F = 1) Allocates the unique identifier of the SITRANS LR 300 on the network for the RS-485 port. For devices connected with a serial Modbus slave protocol, this parameter is a number from 1-...

Page 74 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P799 Communications Control (F = 1) This parameter determines the read/write access to parameters via remote communication. Index 1 controls serial communications via the RS-485 port, (Modbus only). Index 2 controls Prof...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 75 mmm mm Pa ra m ete rs P801 Range Extension (F = 5%) Sets the amount of range extension as measured from the empty distance (P006) and extending beyond the measurement range. See Blanking on page 46. Enter the value as a percentage of P006. The...

Page 76 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s Algorithm Parameter (P820) P820 Algorithm (F = 8) Selects the algorithm to be applied to the echo profile in order to extract the true echo. Select 8 (bLF) for most applications and all mounting locations except the cent...

Page 78 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P837 Auto False Echo Suppression (F = 1) 1 Use P837 and P838 during start up, if possible. It works ideally if the tank is empty or at low levels. Only use this function if there is a minimum 2m distance from the radar u...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 79 mmm mm Pa ra m ete rs If the SITRANS LR 300 displays a full level, or if the reading fluctuates between a high level and a correct level, set this parameter to elevate the TVT in this region and to de-sensitize the receiver from any ‘base nois...

Page 80 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P838 Auto False Echo Suppression Distance (F = 1.0m) Defines the endpoint of the Learned TVT distance. Set this parameter with P837, as above. P839 TVT Hover Level (F = 40) Defines (in %) how high the TVT is placed above...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 81 mmm mm Pa ra m ete rs P920 Reading Measurement Displays the reading measurement that the unit is programmed for in RUN mode (P001, operation). P921 Material Measurement Displays the reading measurement as though the unit were programmed to rea...

Page 82 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Pa ra m et er s P999 Master Reset Resets parameters to their factory setting. 1. Press the PROGRAM key to activate the PROGRAM mode. 2. Press the TOGGLE key twice to access parameter fields. 3. Key in 999. 4. Press the CANCEL key then p...

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 83 mmm mm Communicat ions Communications: Modbus Register Map The memory map of the IQ-300 occupies the Modbus holding registers (R40,001 and up). This map is used when the protocol is Modbus RTU slave or Modbus ASCII slave. Register Map for Most ...

Page 84 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02 mmm mm Communicat ions Point Data (R41,010 – R41,031) Measurement point data contain the current instrument readings. These are the values shown for the reading measurement, (level, distance, or volume, according to the setting for P001); and f...

Page 86 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02 mmm mm Communicat ions Primary Index (R43,999) and Secondary Index (R43,998) Many parameters are indexed. There are two possible indexes, a primary index and a secondary index. A secondary index is a sub-address of the primary index. If there i...

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 87 mmm mm Communicat ions Communications: Data Types The SITRANS LR 300 parameters do not always use integers to hold values. For the convenience of the programmer, those values are converted to and from a 16-bit integer number. This section descr...

Page 88 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02 mmm mm Communicat ions Text Messages If a device parameter returns a text message, that message is converted to an integer and is then provided in the register. The numbers are shown in the following table: Number Text Message as displayed on L...

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 89 mmm mm Communicat ions Error Handling Modbus Responses When polled by a Modbus Master, a slave device will do one of the following: 1. Not reply. This means that something went wrong with the transmission of the message. 2. Echo back the comman...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 91 m mmmm Troubleshoot in g Troubleshooting Communication Troubleshooting Generally: 1. Check the following: • There is power at the unit• The LCD shows the relevant data• The device can be programmed using the hand programmer 2. Check the wiring...

Page 92 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmmm Tr oubleshoot ing Operation Troubleshooting Operating symptoms, probable causes, and resolutions. Symptom Cause Action display reads level or target is out of range • check specifications• check P006• increase range extension P805 displa...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 93 m mmmm Troubleshoot in g Maintenance The SITRANS LR 300 requires no maintenance or cleaning under normal operating conditions. Reading erratic echo confidence weak • refer to P805• use P837• use foam deflector or stilling well liquid surface v...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 95 m mmmm Appendi x I Appendix I Alphabetical Parameter List Parameter Name Parameter Number Page Number 20 mA Output Trim 215 65 4 mA Output Trim 214 65 Algorithm 820 76 Antenna 004 57 Auto False Echo Suppression 837 78 Auto False Echo Suppressi...

Page 98 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix II Appendix II Programming Chart Number Parameter Name Value 0 01 Operation 0 02 Material 0 03 Measurement Response 0 04 Antenna 0 05 Units 0 06 Empty 0 07 Span 050 Tank Shape 051 Max Volume 052 Tank Dimension ‘A’ 053 Tank Dime...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 101 mmmmm Appendix III Appendix III Ambient/Operating Temperature Specification The chart above is provided for guidance only. Where the chart does not apply, please use your own judgement regarding the use of the SITRANS LR 300. Parameter P343 i...

Page 102 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Appendix IV Appendix IV Process Pressure/Temperature de-Rating Rod Antenna ANSI Hole Pattern, 150# 1, 2 1. UHMW-PE antennas are rated to a maximum of 80 ° C (176 ° F) of continuous duty. 2. Customer to provide adequate bolting to retai...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 103 mmm mm Appendix IV Rod Antenna DN Hole Pattern, PN16 1, 2 Rod Antenna Threaded Connection 1. UHMW-PE antennas are rated to a maximum of 80 ° C (176 ° F) of continuous duty. 2. Customer to provide adequate bolting to retain vessel pressure and...

Page 104 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmm mm Appendix IV Rod Antenna Sanitary Connection 1 Horn Antenna or Wave Guide – ANSI Hole Pattern, 150# 2 1. UHMW-PE antennas are rated to a maximum of 80 ° C (176 ° F) of continuous duty; however, they can be used for periods of up to 3 ho...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 105 mmm mm Appendix IV Horn Antenna or Wave Guide DN Hole Pattern, PN16 1 Horn Antenna Sanitary Connection 2. Customer to provide adequate bolting and flat-faced gasket to retain vessel pressure and provide sufficient sealing. 1. Customer to prov...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 107 mmm mm Appendix V Appendix V Typical Power Consumption I Q R a d a r 3 0 0 T y p i c a l C o n s u m p t i o n w i t h 5 0 H z A C I n p u t S u p p l y 5 1 0 1 5 2 0 2 5 3 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 1 6 0 1 8 0 2 0 0 2 2 0 2 4 0 2...

Page 108 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmmm Appendix VI Appendix VI HART Communications for the SITRANS LR 300 Highway Addressable Remote Transducer, HART, is an industrial protocol that rides on top of a 4-20 mA signal. It is an open standard, and full details about HART can be ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 109 m mmmm Appendix VI HART Communicator 275: Chart 1 1. Level 2. AO 3. Device Setup 4. Refresh 1. Reset + Config 2. Display 3. Diagnostics 4. PV Exchange 5. Device Data 6. Serial Comm RS 485 7. Review 1. Master Reset 2. Quick Setup 1. Level 2. S...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 113 m mmmm Appendix VI Supported HART Commands: The SITRANS LR 300 conforms to HART rev. 5 and supports the following: Universal Commands 0, 1, 2, 6, 7, 8, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 Common Practice Commands 33, 34, 35, 36, 37...

Page 114 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Appendix VII: Profibus PA Profibus PA Communications for the SITRANS LR 300 Profibus PA is an open industrial protocol. Full details about Profibus PA can be obtained from Profibus International at www.profibus.com The SIT...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 115 mmmmm Appendix VII Bus Termination Power Demands The maximum number of devices that can be connected to a bus line depends on their current consumption and the respective application conditions. When operating in an area where there is no ris...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 117 mmmmm Appendix VII Example 2: Status Word Values in hex notation Description 0x80 Data is GOOD. 0x4C Initial value when the unit is first started up, before a valid reading is taken. 1 1. At this time the LCD screen display shows ----. 0x44 T...

Page 118 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Diagnostics The last four bytes of the extended diagnostics message are as follows: Acyclic Data The SITRANS LR 300 supports up to three simultaneous connections by a class 2 Master (C2 connection). It does not support Mas...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 119 mmmmm Appendix VII Profibus Level Device Design The device follows the profile block model and includes a physical block, a level transducer block and four analog input function blocks. Profile 3.0 Class A Design The device is implemented as ...

Page 120 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Transducer Block - Level The Transducer Block meets Profile 3.0 class A requirements. The main OUT values of the TB block used by the AI function blocks are the four Secondary Values (SV4, SV5, SV6 and SV7). The Primary Va...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 121 mmmmm Appendix VII Parameter Structure The diagram below shows a level application and the parameters involved. Sensor Value The value produced by the echo processing, which represents the distance from the Sensor Reference Point to the targe...

Page 122 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Function Blocks – Analog Input The Analog Input (AI) function blocks produce the device outputs for Profibus. They utilize the outputs from the Level TB (PV, SV1, SV2, … SVn) and then apply any required scaling and quality...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 123 mmmmm Appendix VII 5. The Failsafe is checked against the status value from the TB OUT, or from the simulation input status. Failsafe can modify the OUT value to the Failsafe Out value, or to some high/low limit based on the status. 6. The ta...

Page 124 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Physical Block 1 This is the only physical block for the device. Relative Index Name Internal Product Parameter or Constant Value Description Data Type & size 0 BLOCK OBJECT Refer to Sections 3.4 & 3.7.2 in Profi. ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 125 mmmmm Appendix VII Transducer Block 1 This is the only transducer block for the device. 19 FACTORY_RESET Similar to Master Remote Master Reset If 1 written – sets all param to factory 2506 – warmstart2712 – reset bus Uint16 20 DESCRIPTOR PAR_...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 129 mmmmm Appendix VII Function Block 1 - Level The first analog input function block produces the level value. 84 Volume Breakpoint PAR_BREAKPOINT_LEVELPAR_BREAKPOINT_VOLUMEPoints 22-24 85 Volume Breakpoint PAR_BREAKPOINT_LEVELPAR_BREAKPOINT_VOL...

Page 130 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VII Function Block 2 - Space The second analog input function block produces the Space value. This is the same layout as AI 1, but the internal parameters reference primary index 2 for all internal parameters. (Example: index ...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 131 mmmmm Appendix VII Function Block 3 - Distance The third analog input function block produces the Distance value. This is the same layout as AI 1, but the internal parameters reference primary index 3 for all internal parameters. (Example: in...

Page 132 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02 mmmm m Appendix VIII Appendix VIII: hazardous area installations Instructions specific to hazardous area installations (Reference European ATEX Directive 94/9/EC, Annex II, 1/0/6) The following instructions apply to equipment covered by certi...

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 133 mmmmm Appendix VIII If the equipment is likely to come into contact with aggressive substances, then it is the responsibility of the user to take suitable precautions that prevent it from being adversely affected, thus ensuring that the type ...

Page 2 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CLO2 mmmmm Ind ex mounting (continued) stilllpipe or sidepipe 31threaded rod antenna 29waveguide antenna 30 N near-blanking 46normal reading 37numeric values 87 O opening enclosure special wrench 33 P Parameters 76 algorithm 76baud rate 73bus addres...