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Pulscon LTC

Trouble-shooting

-0

009

15.1

Trouble-shooting instructions

Instrument does
not respond

Check voltage and
compare it with the
specifications on the
nameplate.

Connect the
correct voltage

Instrument works?

Ready

Check the polarity
of the voltage.

Check power connection
to electronic board

Correct the polarity

Connect plug

Instrument works?

Ready

Values on display
invissible

Yes

Not ok

Check plug contact
of the display.

Connect the plug
correctly

Correct configuration

Display works?

Ready

Yes

Not ok

Yes

Output current between
3.6 … 22mA?

Contrast:

F O

The display is possibly defective.

Yes

Output current
< 3.6 mA ? (2 wire)
< 2.4 mA ? (4 wire)

Check cabling

Correct the
cabling

Current is ok?

Ready

Yes

Possibly defective electronics

HART
communication
does not
function

Is the communication
resistor installed
according to the
OM?

Install the fuse
(see the OM)

Communication ok?

Ready

Yes

Connect the
HART modem
(see the OM)

Communication ok?

Ready

Set the switch
correctly

Communication ok

Ready

Yes

Not ok

Is the switch on the
HART modem for
selecting HART
in the correct position?

Is the HART modem
connected according
to the OM?

Communication
via Service adapter
does not function

Instrument
measures
incorrectly

Check configuration
of COM port on PC

Check basic setup

Proceed according
to section
Trouble shooting in OM

Repeat
basic setup

Not ok

Yes

Communication
PA does not
function

Check c
terminator

EMC interference?

Correct c
terminator

Not ok

Check screening
(see BA section
Connection)

Yes

Communication ok?

Measurement ok?

Ready

Yes

Communication ok?

Ready

Yes

Contact Fuchs service.

Содержание Pulscon LTC

Страница 1: ...06 09 52013052 120782 06 09 01 Valid as a software version V 01 04 02 Guided Level Radar Pulscon LTC with HART 4 mA 20 mA and PROFIBUS PA Description of Instrument Functions HAR T R FIELD COMMUNICATI...

Страница 2: ...ard mapping safety settings linearisation extended calibr empty calibr full calibr description see BA 245O basic setup standard option E empty calibr zero LN probe length setting in 005 setting in 033...

Страница 3: ...nction determine length 034 30 6 Function group linearisation 04 31 6 1 Function level ullage 040 31 6 2 Function linearisation 041 32 6 3 Function customer unit 042 36 6 4 Function table no 043 37 6...

Страница 4: ...11 6 Function measured dist 0A5 62 11 7 Function measured level 0A6 63 11 8 Function detection window 0A7 from Software 01 04 00 63 11 9 Function application par 0A8 64 12 Function group system param...

Страница 5: ...locate a function description This guides you step by step from the highest level the function groups to the exact function description you require All the available function groups and instrument fu...

Страница 6: ...tions of the basic setup 00 function group include e g tank shape 002 medium property 003 process cond 004 empty calibr 005 etc If for example the application of the instrument is to be changed carry...

Страница 7: ...a 500 mm cable 1 5 1 Display Liquid crystal display LCD ENDR ESS HA USER MICR OPIL OT II IP 65 Order Code Ser No Messbe reich Measur ing range U 16 36 V DC 4 20 mA max 20 m Made in Ger man y Maulburg...

Страница 8: ...is locked i e if no input is possible COM_SYMBOL This communication symbol appears when a data transmission via e g HART or PROFIBUS PA is in progress Key s Meaning O or V Navigate upwards in the sele...

Страница 9: ...ion system quits edit mode Typing in numerals and text a Press O or S to edit the first character of the numeral text e g empty calibr 005 b F positions the cursor at the next character continue with...

Страница 10: ...rs After 5 s the following message appears e g on HART devices After 5 s or after you have pressed F the following message appears Select the language this message appears the first time the instrumen...

Страница 11: ...n min 013 page 25 delay time 014 page 26 safety distance 015 page 26 in safety dist 016 page 26 ackn alarm 017 page 28 overspill prot 018 page 28 broken probe det 019 page 28 length adjustment 03 end...

Страница 12: ...age 50 select v0h0 PROFIBUS PA only 068 page 51 20mA value HART only 069 page 51 display value PROFIBUS PA only 069 page 51 envelope curve 0E plot settings 0E1 page 52 see page 52 recording curve 0E2...

Страница 13: ...nium tank option is designed especially for high aluminium silos that cause an increased level of noise when empty This option is only useful for probes longer than 4 m For short probes 4 m select the...

Страница 14: ...4 0 4 0 7 0 7 0 The lower group applies to very loose or loosened bulk solids Reduction of the max possible measuring range by means of extremely loose surfaces of bulk solids e g bulk solids with low...

Страница 15: ...isol tie down gnd E Selection Standard Fast change Slow change Test no filter Application For all normal applications bulk solids and fluids at low to medium filling speed and sufficiently large tanks...

Страница 16: ...n the probe length 031 function the probe length is defined in the next step 3 7 Function probe 032 Use this function to select whether the probe is at the time of the commissioning uncovered or cover...

Страница 17: ...fluence on the measuring accuracy When entering the empty value for a linearisation please use the empty calibration instead of the automatically determined probe length Selection length ok too short...

Страница 18: ...The distance measured from the reference point to the product surface and the meas value calculated with the aid of the empty adjustment are displayed Check whether the values correspond to the actua...

Страница 19: ...free probe Mapping is carried out up to the currently measured echo The range to be suppressed is suggested in the range of mapping 052 function Anyway it is wise to carry out a mapping even in this...

Страница 20: ...probe is uncovered mapping is carried out along the whole probe length Caution Only begin mapping in this function if the probe is safely uncovered Otherwise the device will not make correct measureme...

Страница 21: ...eas value or the actual distance The following cases can occur Distance correct meas value correct basic setup completed Distance incorrect meas value incorrect a further interference echo mapping mus...

Страница 22: ...on an alarm Selection MIN 3 6mA MAX 22mA Hold User specific MIN 3 6mA If the instrument is in alarm state the output changes as follows HART MIN Alarm 3 6 mA PROFIBUS PA MIN Alarm 99999 MAX 110 22mA I...

Страница 23: ...strument is in alarm state the last measured value is held user specific If the instrument is in alarm state the output is set to the value configured in output on alarm 011 x mA Caution This selectio...

Страница 24: ...specific in the output on alarm 010 function Caution This selection is available for HART devices only 4 3 Function outp echo loss 012 Use this function to set the output response on echo loss Selecti...

Страница 25: ...echo loss a warning is generated after a definable delay time 014 The output is changed towards 0 or 100 depending on the slope defined in ramp span min 013 4 4 Function ramp span min 013 Ramp slope w...

Страница 26: ...015 A configurable safety distance is placed before the upper blocking dist 059 see page 43 This distance warns you that any further level increase would make the measurement invalid Enter the size o...

Страница 27: ...tarts to measure again warning Instrument displays a warning E651 level in safety distance risk of overspill but continues to measure If the level leaves the safety distance the warning disappears sel...

Страница 28: ...ted various parameters relating to WHG overflow protection are defaulted and the instrument is locked against further operation Select Standard to unlock the WHG parameter settings are retained 4 10 F...

Страница 29: ...Use this function to select whether the probe length was changed after factory calibration Only then is it necessary to enter or correct the probe length Selection modified not modified Note If modifi...

Страница 30: ...ing conditions the automatically determined probe length may be larger than the actual probe typically 20 mm 30 mm longer This has no influence on the measuring accuracy When entering the empty value...

Страница 31: ...The measured value can be linearised The linearisation 041 default value is set to a linear 0 100 level DU Level in the selected distance unit 0C5 ullage CU Ullage in customer units The value can be...

Страница 32: ...selected unit This function is used to select the linearisation modes Selection linear horizontal cyl manual semi automatic table on clear table linear The tank is linear e g a cylindrical vertical t...

Страница 33: ...mer units The requirements are as follows The 32 max value pairs for the linearisation curve points are known The level values must be given in ascending order The curve is monotonously increasing The...

Страница 34: ...int in the table Note Before confirming 0 00 m as the level or 0 00 as the volume activate the edit mode with O or S Entries can be made into the linearisation table in PACTwareTM using the table edit...

Страница 35: ...ed pay attention to the following points The number of points must be known in advance The first table number 32 number of points Entries in Tab no 043 are made in reverse order last entry 1 table on...

Страница 36: ...nction customer unit 042 You can select the customer unit with this function Selection l hl m3 dm3 cm3 ft3 us_gal i_gal kg t lb ton m ft mm inch Dependence The units of the following parameters are ch...

Страница 37: ...linearisation table Dependence Updates input level 044 input volume 045 6 5 Function input level 044 You can enter the level for each point of the linearisation curve with this function When the line...

Страница 38: ...Volume in customer unit 042 6 7 Function max scale 046 You can enter the end value of the measuring range with this function This input is necessary if you selected linear or horizontal cyl in the lin...

Страница 39: ...vel correction output damping etc mapping delete mapping 7 2 Function check distance 051 This function triggers the mapping of interference echoes To do so the measured distance must be compared with...

Страница 40: ...ed echoes The range to be suppressed is suggested in the range of mapping 052 function dist too big This error cannot be remedied by interference echo mapping Check the application parameters 002 003...

Страница 41: ...ut on mapping is started 7 5 Function pres map dist 054 Displays the distance up to which a mapping has been recorded A value of 0 indicates that no mapping was recorded so far 7 6 Function delete map...

Страница 42: ...is lost through a change in measurement conditions e g angels of repose or large measuring distance 7 8 Function offset 057 This function corrects the measured level by a constant value The entered va...

Страница 43: ...n be reduced to 0 1 mm for rod and rope probes The upper blocking distance UB can be entered manually Note Within the upper and lower blocking distance a reliable measurement can not be guaranteed For...

Страница 44: ...k dist 059 when installing the device in a high nozzle upper blocking distance UB nozzle high H 50 mm 80 60 40 20 0 20 40 60 80 0 50 100 150 200 250 300 Rod probe and coax probe Distance from probe en...

Страница 45: ...Function instrument addr 060 PROFIBUS PA only The PA bus address is displayed in this field The address is set either directly on the instrument using DIP switches see instrument operating instructio...

Страница 46: ...devices only 8 5 Function low output limit 062 HART only The output of negative level values can be suppressed with this function Selection off minimum output 10 3 8 mA for HART on minimum output 0 4...

Страница 47: ...splays a part of the measuring range across the full current interval 4 mA 20 mA This range is specified using the 4mA value 068 and 20mA value 069 functions fixed current Selecting this outputs a fix...

Страница 48: ...data is necessary if you have selected the fixed current option in the curr output mode 063 function User input 3 8 mA 20 5 mA Caution This user input is available for HART devices only 8 10 Function...

Страница 49: ...is switched off sim level Enter the level value in simulation value 066 The functions measured value 000 measured level 0A6 output current 067 only with HART instruments follow the entered values sim...

Страница 50: ...068 HART only In this function enter the level or volume weight at which the output current should be 4 mA This entry is only required if you selected the current turn down option in the curr output m...

Страница 51: ...is available for PROFIBUS PA devices only 8 17 Function 20mA value 069 HART only In this function enter the level or volume weight at which the output current should be 20 mA This entry is only requi...

Страница 52: ...display envelope curve subtracted signal mapping 9 2 Function recording curve 0E2 This function determines whether the envelope curve is read as single curve or cyclic Note If the cyclical envelope c...

Страница 53: ...or the right The active navigation mode is indicated by a symbol in the top left hand corner of the display minimum distance of the plot maximum distance of the plot distance of evaluated echo evaluat...

Страница 54: ...he curve to the right S shifts the curve to the left Vertical zoom mode Press F once more to switch to vertical zoom mode is displayed You now have the following options O increases the vertical scale...

Страница 55: ...Italiano Nederlands Katakana japanese Dependence All texts are changed Caution This function is not visualised in PACTwareTM 10 2 Function back to home 093 If no entry is made using the display during...

Страница 56: ...he display e g 10 70 ft in 1 16 The measured value is given in the display in this format e g 5 05 14 16 This option is only possible for distance unit 0C5 ft and in Caution This function is not visua...

Страница 57: ...unction group display 09 DOCT 0094A 06 2009 120782 57 10 6 Function display test 097 All display pixels are switched on If the whole LCD is dark it is working correctly E After 3 s the following messa...

Страница 58: ...page 72 W Warning Instrument continue measuring error message is displayed Indicated by a flashing symbol For a description of the codes see page 72 E Alarm Warning Configurable e g loss of echo level...

Страница 59: ...94A 06 2009 120782 59 11 1 Function present error 0A0 The present error is shown using this function 11 2 Function previous error 0A1 The last error presented is shown with this function 11 3 Function...

Страница 60: ...stomer specific tank map is not deleted A linearisation is switched to linear although the table values are retained The table can be reactivated in the linearisation 04 function group List of functio...

Страница 61: ...ntered in unlock parameter 0A4 in the diagnostics 0A function group The lock is shown on the display by the symbol and can be released again either via the display or by communication Hardware lock Th...

Страница 62: ...same time the user is asked to enter the unlock parameter 100 for HART devices 2457 for PROFIBUS PA devices Caution Changing certain parameters such as all sensor characteristics for example influenc...

Страница 63: ...on is switched on a window is defined surrounding the current level echo typical width 1 m 2 5 m depending on the application parameters The window always moves together with a rising a falling echo E...

Страница 64: ...whether or not one of the settings dependent on the tank shape 002 medium property 003 and process cond 004 application parameters has been changed or not If for example the output damping 058 is chan...

Страница 65: ...stics for PROFIBUS PA instruments 12 2 Function profile version 0C1 PROFIBUS PA only The PROFIBUS PA profile version is shown using this function Profile 3 0 Caution This function is available for PRO...

Страница 66: ...with this function Selection m ft mm inch Dependence m mm format display 094 can only be decimal The units are changed for the following parameters empty calibr 005 full calibr 006 safety distance 01...

Страница 67: ...ameter defines which values are written to the instrument during a PACTwareTM download Selection parameter only param cust map mapping only Note This parameter must not be described explicitly in PACT...

Страница 68: ...service 0D DOCT 0094A 06 2009 120782 68 13 Function group service 0D You can find a detailed description of the Service function group as well as a detailed overview of the function menu in the servi...

Страница 69: ...curve echo curve DOCT 0094A 06 2009 120782 69 14 Envelope curve echo curve 14 1 Envelope curve with the PACTwareTM Signal analysis via envelope curve echo curve See page 52 ff for the envelope curve...

Страница 70: ...ollowed the instructions in this operating manual the Pulscon LTC should work correctly If this is not the case Pulscon LTC has facilities for analysing and correcting errors You can find a structured...

Страница 71: ...the communication resistor installed according to the OM Install the fuse see the OM Communication ok Ready Ready ok Yes Yes No No Connect the HART modem see the OM Communication ok Ready Set the swit...

Страница 72: ...lectronics defect hardware problem reset if alarm prevails after reset exchange electronics A221 probe pulse deviation from average values HF module or cable between HF module and electronics defectiv...

Страница 73: ...osition E 641 loss of echo after turn on the power supply If the instrument is configured to HOLD by loss of echo the output is set to any value current noise level during the initialisation phase to...

Страница 74: ...oup envelope curve display Katakana Japanese Current turn down HART only the customer tank map can be edited Operated via PACTwareTM HART communicator 375 with Rev 1 DD 1 V 01 02 04 07 2004 mapping fu...

Страница 75: ...1 054 pres Map dist 41 055 delete mapping 41 056 echo quality 42 057 offset 42 058 output damping 42 059 upper block dist 43 060 commun address HART only 45 060 instrument addr PROFIBUS PA only 45 061...

Страница 76: ...Pulscon LTC Notes DOCT 0094A 06 2009 120782 76...

Страница 77: ...Pulscon LTC Notes DOCT 0094A 06 2009 120782 77...

Страница 78: ...Pulscon LTC Notes DOCT 0094A 06 2009 120782 78...

Страница 79: ...of the Electrical Industry published by the Central Association of the Elektrotechnik und Elektroindustrie ZVEI e V including the supplementary clause Erweiterter Eigentumsvorbehalt We at Pepperl Fuc...

Страница 80: ...e pepperl fuchs com USA Headquarters Pepperl Fuchs Inc Twinsburg Ohio 44087 USA Tel 1 330 4253555 E mail sales us pepperl fuchs com Asia Pacific Headquarters Pepperl Fuchs Pte Ltd Company Registration...

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