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13 User modes
13.2 ExpertUser mode

FLUXUS G831ST-HT

2021-06-01, UMFLUXUS_G831ST-HTV1-0EN

108

13.2.2

Threshold value for valid measurement

• Select the menu item

Options

in the program branch

Special settings

• Press ENTER until the menu item

Crest factor threshold

is displayed.

• Enter the threshold value (default: 6).
• Press ENTER.

13.2.3

Profile correction

It is possible to select the following versions for the calculation of the fluid mechanics calibration factor k

•

kRe 1.0

: profile correction (previous version)

•

kRe 2.0

: improved profile correction (current version, default)

The following steps are necessary to set the profile correction:

Selection of the version

• Select the menu item

Special functions

in the program branch

Measurement settings

• Press ENTER until the menu item

Profile correction

is displayed.

• Select a list item (default:

kRe 2.0

• Press ENTER.

Measuring point specific profile correction

In special cases a measuring point specific profile correction can be used.

• Select the program branch

Options

• Press ENTER.
• Select a channel for which the profile correction is to be set.
• Select the menu item

Special settings

• Press ENTER until the menu item

Profile correction

is displayed.

• Select

Off

to deactivate the profile correction for the channel.

• Select

Default

to use the global setting from the program branch

Special functions

for the profile correction.

• Select

Customized

to use a measuring point specific profile correction.

• Press ENTER.
In case the list item

Customized

has been selected, the parameters of the measuring point specific profile correction will

now be displayed. The parameters of the profile correction are preferably transmitted to the transmitter via the service

interface but can also be entered here.

Notice!

If the limit of the flow velocity

+Flow velocity limit

is too low or

-Flow velocity limit

is too high, a

measurement might be impossible because most of the measured values will be marked as invalid.

Options\Special settings\Crest factor threshold

Notice!

A reduced threshold value allows for measurements under difficult conditions, but increases the risk of measurement

errors.

Special functions\Measurement\Measurement settings\Profile correction

Options\Special settings\Profile correction

Содержание FLUXUS G831ST-HT

Страница 1: ...FLUXUS G831ST HT UMFLUXUS_G831ST HTV1 0EN Operating instruction...

Страница 2: ...Fax 49 30 936 67 680 E mail info flexim com www flexim com FLUXUS is a registered trademark of FLEXIM GmbH Operating instruction for FLUXUS G831ST HT UMFLUXUS_G831ST HTV1 0EN 2021 06 01 Article number...

Страница 3: ...nt principle 12 3 2 Measurement arrangements 14 3 3 Acoustic penetration 15 3 4 Undisturbed flow profile 15 4 Product description 17 4 1 Measuring system 17 4 2 Handling concept 17 4 3 Display 19 4 4...

Страница 4: ...0 6 Problems with the totalizers 97 11 Maintenance and cleaning 98 11 1 Maintenance 99 11 2 Cleaning 99 11 3 Calibration 99 11 4 Examination of the O ring 100 11 5 Examination of the thread on the fla...

Страница 5: ...meter 125 17 4 Remote functions 126 17 5 Event triggers 127 17 6 Event protocol 131 18 Settings 132 18 1 Dialogs and menus 132 18 2 Measurement settings 134 18 3 Units of measurement 135 18 4 Material...

Страница 6: ...Table of contents FLUXUS G831ST HT 2021 06 01 UMFLUXUS_G831ST HTV1 0EN 6...

Страница 7: ...ormation or miss information please inform us We will be grateful for any suggestions and comments regarding the concept and your experience working with the measuring equipment If you have any sugges...

Страница 8: ...mages have occurred during installation or operation of the measuring equipment please inform FLEXIM It is not allowed to make unauthorized modifications or alterations to the measuring equipment If t...

Страница 9: ...er and accessory combinations not intended by FLEXIM installation of the transmitter transducers and accessories in explosive atmospheres they are not approved for any work on the measuring equipment...

Страница 10: ...60947 3 has to be installed as disconnecting device The equipment switch has to disconnect all live wires The ground conductor connection must not be interrupted The equipment switch has to be easily...

Страница 11: ...d box Position the transmitter transducers and accessories in the middle of the cardboard box Fill any voids with appropriate packaging material e g paper foam bubble wrap Protect the cardboard box ag...

Страница 12: ...any turbulence There is no mixing between the parallel flowing layers of the fluid Turbulent flow A flow with turbulences swirling of the fluid In technical applications the flow in the pipe is mostly...

Страница 13: ...iers A and B with a time offset t so that the modulation patterns of the ultrasonic signals of measuring barrier A and B are also offset by t This time offset t is measured by means of cross correlati...

Страница 14: ...ween the measuring barriers The measuring barrier distance is measured between the inner edges of the emitters and or receivers of measuring barrier A and B Transducer distance The transducer distance...

Страница 15: ...rs can be mounted laterally on the pipe allowing the sound waves to propagate horizontally in the pipe Thus solids or liquid on the bottom of the pipe are prevented from influencing the propagation of...

Страница 16: ...pipe diameter at the measuring point l recommended distance between disturbance and transducer position disturbance 90 elbow inlet l 10 D outlet l 5 D disturbance 2 90 elbow on different planes inlet...

Страница 17: ...n the front side of the upper housing The keys are operated using a magnetic pen with the housing being closed By pressing the following program branches are displayed consecutively Parameters Measure...

Страница 18: ...s not possible during the measurement The measurement has to be stopped in order to change the parameter settings or configuration of the transmitter outputs Tab 4 1 Description of the program branche...

Страница 19: ...rameters 1 program branch 2 currently edited menu item 3 area for scroll lists selection fields or input fields Tab 4 2 Navigation horizontal scroll list vertical scroll list input fields scroll horiz...

Страница 20: ...the measurement display of scroll list Stop measurement Show parameters Show measurement Tab 4 4 Navigation scroll to the right or up through a scroll list scroll down through a scroll list CLR scroll...

Страница 21: ...uipment outdoors Seal all openings with blind plugs Protect the measuring equipment against sunlight Storage the measuring equipment in a dry place without dust and within the valid temperature range...

Страница 22: ...ng gases risk of injuries because of cramped conditions Wear the required personal protective equipment Observe the applicable rules Warning Touching live parts Electric shock or arc faults can led to...

Страница 23: ...smitter has 3 set screws which have to be unscrewed before the housings can be opened After the installation of the transmitter make sure that the housings are closed correctly and that the set screws...

Страница 24: ...er can fall down during installation There is a danger of crushing body parts or damaging the measuring equipment Secure the transmitter against falling Wear the required personal protective equipment...

Страница 25: ...to the instrument mounting plate Mounting on a pipe 2 The instrument mounting plate 2 is fixed to the pipe using tension straps Fix the instrument mounting plate 2 to the pipe using the tension straps...

Страница 26: ...of the pipe fluid Avoid measuring points in the vicinity of distorted or defective areas of the pipe or in the vicinity of welds Avoid measuring points with deposit formation in the pipe Make sure th...

Страница 27: ...measuring point is situated near an elbow the following measurement arrangements are recommended for the selection of the sound beam plane Caution Contact with grinding dust This may result in injurie...

Страница 28: ...engravings on them form an arrow pointing in the flow direction The transducer cables show in opposite directions The transducer distance is measured between the inner edges of the transducers of a me...

Страница 29: ...at the distance x from transducer A1 if possible with an accuracy of 1 mm Mount the transducer B2 at the distance x from transducer A2 if possible with an accuracy of 1 mm Check whether the transduce...

Страница 30: ...ucer pair in its own pair of rails Overview of the mounting steps step 1 disassembly of the transducer mounting fixture Variofix L step 2 fixation of the clasps to the tension straps step 3 fixation o...

Страница 31: ...nsion strap to length pipe circumference at least 120 mm Insert approx 100 mm of the tension strap into part 1 and 2 of the ratchet clasp see Fig 6 10 a Bend the tension strap Insert the tension strap...

Страница 32: ...is check whether the distance between the tension strap clamps is half the pipe circumference Tighten the tension strap Tighten the clasp screw Quick release clasp Insert the tension strap into its cl...

Страница 33: ...rap clamps are as exactly as possible opposite each other To do this check whether the distance between the tension strap clamps is half the pipe circumference Place the tension strap around the pipe...

Страница 34: ...he tension strap Repeat the steps to fix the second rail on the opposite side of the pipe Make sure that both tension strap clamps are as exactly as possible opposite each other To do this check wheth...

Страница 35: ...the tension strap into the tension strap clamp 2 and the metal spring Place the tension strap around the pipe and insert it into the tension strap clamp on the opposite side and the tension strap see...

Страница 36: ...of the tension strap clamps 2 but not too firmly in order not to damage the tension strap see Fig 6 19 Repeat the steps for fixing the second pair of rails When positioning the second pair of rails o...

Страница 37: ...e transducer distance of transducer pair B corresponds to the value displayed by the transmitter Fix the transducer cables with the strain relief clamp to protect them from mechanical strain see Fig 6...

Страница 38: ...iers 1 cover 2 strain relief clamp 3 equipotential bonding terminal x distance between measuring barriers Notice Make sure that the coupling foil remains on the contact surface of the transducers For...

Страница 39: ...y 2 pairs of rails see Tab 6 1 In the following the installation of 1 pair of rails in diagonal arrangement is described Overview of the mounting steps step 1 disassembly of the transducer mounting fi...

Страница 40: ...and lift it off Step 2 Mounting of the rail Select the installation instruction of the supplied clasp Mounting of the rail without a clasp Cut the tension strap to length pipe circumference at least 1...

Страница 41: ...ach other To do this check whether the distance between the tension strap clamps is half the pipe circumference Insert the long end of the tension strap into the second slot of the tension strap clamp...

Страница 42: ...possible Mount the metal spring opposite the ratchet clasp Make sure that the 2 tension strap clamps are as exactly as possible opposite each other To do this check whether the distance between the te...

Страница 43: ...itter and receiver of transducer pair B in opposite rails The transducer cables show in the same direction as the transducer cables of transducer pair A Adjust the measuring barrier distance displayed...

Страница 44: ...f the cover Remove the cover from the mounted transducer mounting fixture Variofix C as follows Loosen the screws see Fig 6 40 Use a lever tool to remove the cover Insert the lever tool in one of the...

Страница 45: ...WaveInjector The WaveInjector is a transducer mounting fixture for the ultrasonic flow measurement at extreme temperatures For the installation of the WaveInjector see document SUFLUXUS_WI Fig 6 41 Re...

Страница 46: ...the tension strap to length pipe circumference at least 120 mm Make sure that part 2 of the clasp is on top of part 1 see Fig 6 43 a The hooks of part 2 have to be on the outer side of the clasp Pull...

Страница 47: ...ature probe on the pipe see Fig 6 44 Place the tension strap around the temperature probe and the pipe Push the tension strap through part 2 and 1 of the clasp Tighten the tension strap and engage it...

Страница 48: ...tion the temperature probe on the pipe see Fig 6 44 Place the tension strap around the temperature probe and the pipe Insert the tension strap into the clasp Tighten the tension strap Tighten the scre...

Страница 49: ...alified personnel Danger Working in mines or cramped confines Risk of intoxication and or asphyxiation because of emerging gases risk of injuries because of cramped conditions Wear the required person...

Страница 50: ...the upper housing Important Do not open the housings using objects which may damage the thread or housing gasket Fig 7 1 Connections of the transmitter 1 upper housing increased safety Ex e 2 upper h...

Страница 51: ...ables from the measuring point to the transmitter before connecting the transducers to avoid load on the connectors Notice If transducers are replaced or added the transducer module has to be replaced...

Страница 52: ...he transmitter Important The degree of protection of the transmitter is only ensured if all cables are tightly fitted using cable glands and the housing is firmly screwed Tab 7 1 Terminal assignment t...

Страница 53: ...he basic part into the transmitter housing Insert the extension cable into the housing Fix the cable gland by screwing the cap nut onto the basic part Connect the extension cable to the terminals of t...

Страница 54: ...ransducer cable into the junction box Fix the transducer cable by tightening the cable gland Connect the transducer cable to the terminals of the junction box Tab 7 3 Terminal assignment terminal conn...

Страница 55: ...ion cable The compression part remains in the cap nut Push the extension cable through the cap nut and the compression part Prepare the extension cable Shorten the external shield and brush it back ov...

Страница 56: ...on cable The compression part remains in the cap nut Push the extension cable through the cap nut the compression part and the basic part Insert the extension cable into the junction box Prepare the e...

Страница 57: ...emain completely insulated up to the shield terminal Tab 7 5 Terminal assignment terminal connection extension cable TV white or marked cable core TVS white or marked cable internal shield TRS brown c...

Страница 58: ...the transducer modules into their sockets Push the module into the housing Close the housing Make sure that the housing is closed correctly and that the set screws are tightened Connect the transmitte...

Страница 59: ...e pass the permissible limit The equipotential bonding terminal serves as functional earth of the transmitter Connect the power cable to the transmitter see section 7 2 1 Fig 7 9 and Tab 7 6 Important...

Страница 60: ...sealing ring side of the basic part into the transmitter housing Fix the cable gland by screwing the cap nut onto the basic part Connect the cable to the terminals of the transmitter 7 3 Outputs Conne...

Страница 61: ...lt current Ifault 3 2 3 5 mA current output Ix HART intrinsically safe passive Ui 29 V Ii 100 mA Pi 0 725 W Ci 1 nF Li 50 nH Uext Ui Uext 0 022 A 9 V adjustable fault current no valid measured value n...

Страница 62: ...nent short circuit can lead to the destruction of the current input Tab 7 8 Connection of a passive current sink input transmitter external circuit explanation internal circuit connection current inpu...

Страница 63: ...Connection of the inputs to the transmitter 1 connection of the temperature probe Tab 7 9 Temperature input circuit input transmitter external circuit explanation internal circuit connection temperat...

Страница 64: ...able into the housing Screw the sealing ring side of the reducer into the transmitter housing Screw the basic part into the reducer Fix the cable gland by screwing the cap nut onto the basic part Conn...

Страница 65: ...the extension cable to the terminals of the transmitter 7 5 3 Connection with junction box Connection of the extension cable to the transmitter Remove the blind plug for the connection of the tempera...

Страница 66: ...al shield and brush it back over the compression part Screw the sealing ring side of the reducer into the junction box Screw the basic part into the reducer Insert the extension cable into the junctio...

Страница 67: ...the cap nut and the compression part Prepare the cable Shorten the external shield and brush it back over the compression part Screw the sealing ring side of the reducer into the junction box Screw th...

Страница 68: ...face 7 6 1 USB interface The transmitter can be connected directly to the PC via the USB interface The USB interface may only be connected outside the explosive atmosphere housing cover open Connect t...

Страница 69: ...ies The measuring equipment can be damaged Prior to any work on the transmitter e g installation dismounting connection start up the transmitter has to be disconnected from the power supply Caution Sa...

Страница 70: ...anguages are displayed Select a language Press ENTER The menus are displayed in the selected language The current time is displayed Press ENTER to confirm the time or set the current time via the nume...

Страница 71: ...etailed overview of the menu structure see annex A Notice The parameters cannot be changed during the measurement The measurement has to be stopped in order to change the parameters Tab 8 1 Operation...

Страница 72: ...ed If so it has to be deactivated Enter the 6 digit key lock code Press ENTER If a measurement is running it will be stopped It will be asked whether the initial settings are to be carried out If Yes...

Страница 73: ...through the list Press BRK to return to the menu item System settings The following information regarding the transmitter is displayed Special functions System settings Transmitter info display descr...

Страница 74: ...or the use in explosive atmospheres see document SIFLUXUS Caution Warning of severe injuries from hot or cold components Touching hot or cold components can lead to severe injuries e g thermal damage...

Страница 75: ...ransducers and the transducer module are connected to the transmitter Notice All settings changed in this program branch will be stored at the beginning of the measurement Notice Avoid a simultaneous...

Страница 76: ...is possible to enter the pipe circumference instead of the outer pipe diameter Pipe circumference Activate the input of the pipe circumference in the menu item Special functions Dialogs Menus Pipe cir...

Страница 77: ...he calculation Enter the roughness of the pipe material in case the pipe has no lining Press ENTER This display will only be indicated if Other material is selected For the roughness of some materials...

Страница 78: ...ickness of the lining Press ENTER This display will only be indicated if Yes is selected in the menu item Lining Roughness The flow profile of the fluid is influenced by the roughness of the inner pip...

Страница 79: ...he transducers In case of a temperature range enter the average fluid temperature Press ENTER Fluid pressure The fluid pressure is used for the interpolation of the sound speed and the gas compressibi...

Страница 80: ...of the damping factor Each displayed measured value is a floating average of the last x seconds with x being the damping factor If 0 s is entered as damping factor no average is calculated The value o...

Страница 81: ...ENTER until the menu item NAMUR NE43 is displayed Select Yes to enable NAMUR NE43 Press ENTER The measured value the status value or an event value can be transmitted via the different outputs In the...

Страница 82: ...zer for the mass flow rate in positive flow direction Mass totalizer for the mass flow rate in negative flow direction Mass difference of the totalizers for the positive and negative flow direction Fl...

Страница 83: ...ror output An error value can be defined which is output if the source item cannot be measured Select a list item for the error output Press ENTER If Other value is selected or the function NAMUR NE43...

Страница 84: ...ut 4 20 mA error delay td 0 The volumetric flow rate cannot be measured during the time interval t0 t1 The error value will be output Tab 9 3 Examples for the error output output range 4 20 mA list it...

Страница 85: ...erminals for the connection of the output are displayed By pressing or further information is displayed Press ENTER Output function test The function of the output can now be tested Connect an externa...

Страница 86: ...r message will be displayed if the output range is smaller The next possible value will be displayed Status OK The status of the output signal is defined which is to be output if the measured value is...

Страница 87: ...repeat the test or Finish to display the next menu item Press ENTER 9 2 5 3 Output of an event value Output range Select a list item 4 20 mA Other range Press ENTER If Other range is selected enter th...

Страница 88: ...the entered value the output functions correctly Select Repeat to repeat the test or Finish to display the next menu item Press ENTER Select Yes to test the status of the output signal Select No to d...

Страница 89: ...oint Press ENTER For the activation of text input see Special functions Dialogs Menus Measuring point no Input of the max flow The expected max flow is needed to calculate the recommended distance bet...

Страница 90: ...to transducer pair A Make sure to keep a few millimeters distance between the transducers of measuring barrier A and B The transducers should not touch Enter the distance between the measuring barrie...

Страница 91: ...l to the transducer temperature display Fig 9 2 Display of measured values 1 program branch status indicators 2 display toggling between physical quantity and fluid 3 measured value 4 further physical...

Страница 92: ...s deactivated line 4 indicates when the data logger will be full in case all settings are kept If the ringbuffer is activated line 4 indicates how long measurement data can still be stored without los...

Страница 93: ...command is displayed Totalizers Select the list item Totalizers Press ENTER The following scroll list appears Fig 9 6 Scroll list in the program branch Measurement Measurement Show measurement Tab 9...

Страница 94: ...his display will only be indicated if an event trigger has been parameterized and at least one event trigger has also been triggered 9 8 Stop of the measurement Press BRK during the measurement The fo...

Страница 95: ...ases risk of injuries because of cramped conditions Wear the required personal protective equipment Observe the applicable rules Caution Safety and accident prevention regulations for electrical syste...

Страница 96: ...interrogation point is displayed after the physical quantity The LED lights red after starting the measurement Check whether the entered parameters are correct especially the outer pipe diameter the p...

Страница 97: ...The defined upper limit of the flow velocity is too low All measured flow velocities that are greater than the upper limit will be ignored and marked as invalid All quantities deviated from the flow...

Страница 98: ...merging gases risk of injuries because of cramped conditions Wear the required personal protective equipment Observe the applicable rules Warning Touching live parts Electric shock or arc faults can l...

Страница 99: ...ible wear the transducers were used for a prolonged period at high temperatures several months 130 C for normal transducers or 200 C for high temperature transducers In order to realize a recalibratio...

Страница 100: ...ages Housings with damaged threads has to be replaced Danger Risk of explosion when using the transmitter in explosive atmospheres This may result in personal or material damage or dangerous situation...

Страница 101: ...have to be replaced by FLEXIM personnel immediately 11 7 Firmware update A firmware update is carried out with FluxDiagReader or FluxDiag option For the connection of the transmitter to a PC see sect...

Страница 102: ...l Danger Working in mines or cramped confines Risk of intoxication and or asphyxiation because of emerging gases risk of injuries because of cramped conditions Wear the required personal protective eq...

Страница 103: ...the list item Special settings Press ENTER The menu items of the user mode are consecutively displayed Special functions System settings User mode StandardUser ExpertUser SuperUser SuperUser ext see a...

Страница 104: ...ow Press ENTER All values of the flow velocity for the negative flow direction as absolute value below this absolute limit are set to zero Enter the cut off flow as absolute value Press ENTER 13 1 2 M...

Страница 105: ...and temperature are independently available Press ENTER If Tf Pf or Pf Tf is selected the information concerning the calculated quantity will be displayed in the program branch Parameters after the f...

Страница 106: ...Off to deactivate high voltage Press ENTER 13 1 6 Averaging factor of the measurement The averaging factor of the measurement defines a time range in which the values are averaged for calculation A h...

Страница 107: ...to define a limit for the flow velocity Press ENTER Enter a limit of the flow velocity for the measurement in flow direction Press ENTER If the flow velocity is higher than this limit it will be mark...

Страница 108: ...s ENTER Select a channel for which the profile correction is to be set Select the menu item Special settings Press ENTER until the menu item Profile correction is displayed Select Off to deactivate th...

Страница 109: ...on Select Default if no customized inputs are to be made Select On to define the values for the calibration Press ENTER Enter the factor for the linear calibration Press ENTER Enter the offset for the...

Страница 110: ...s is measured before the calculation of the derived quantities it will be corrected as follows vcor 1 1 5 m s 0 1 m s 5 4 m s Example factor 1 offset 0 Only the sign of the measured values changes Not...

Страница 111: ...bled input Select No to uninstall an already configured input and to return to the previous menu item Press ENTER 14 1 1 Temperature inputs When configuring the temperature input the temperature probe...

Страница 112: ...e is defined Select a list item 0 20 mA 4 20 mA Other range Press ENTER If Other range is selected enter the values Input MIN and Input MAX Measuring range Enter the lowest expected measured value The...

Страница 113: ...ss ENTER This display will only be indicated if MAX x limit or MIN x limit is selected It is possible to define a hysteresis to avoid a constant switching of the event trigger The event trigger will b...

Страница 114: ...tem Press ENTER Select Yes to test the assignment of the measured value to the input signal Select No to display the next menu item Press ENTER If the transmitter displays a value here Temperature the...

Страница 115: ...uration Press ENTER until the menu item Start storing is displayed Select the moment at which the storing has to start Special functions Data logger Configuration Start storing Ringbuffer On Off Stora...

Страница 116: ...ed values in case the event does not occur Press ENTER Select Off if no measured values are to be stored as long as the event does not occur Press ENTER Select in the scroll list a storage rate for st...

Страница 117: ...the storing of measured values will be terminated It can be continued after clearing the data logger If the ringbuffer is activated and the data logger is full the oldest measured values will be over...

Страница 118: ...ues Select Yes to store the value Select No in order not to store the value Special functions Data logger Configuration Storage mode Notice The storage mode does not affect the outputs Notice Storage...

Страница 119: ...l date date on which the data logger will be full This display will only be indicated if the measurement has started and the ringbuffer is deactivated Full time time at which the data logger will be f...

Страница 120: ...transmitted from the transmitter to the PC using the FluxDiagReader program The FluxDiagReader program is used for further processing of the data It allows to read measured values setup settings and...

Страница 121: ...aces e g 74890046 03 The number of decimal places max 4 can be defined Select the menu item Totalizers in the program branch Special functions Press ENTER Select Automatic if the number of decimal pla...

Страница 122: ...lizer overflow The overflow behavior of the totalizers can be set Without overflow The value of the totalizer increases to the internal limit of 1038 The values will be displayed as exponential number...

Страница 123: ...be displayed in the status line during the measurement Select the menu item Totalizers in the program branch Special functions Press ENTER until the menu item Show Q is displayed Select Yes to displa...

Страница 124: ...n If the ringbuffer is deactivated up to 50 snaps can be stored Press ENTER Select Yes if the auto snap has to be activated If the auto snap is activated snaps are automatically stored during a measur...

Страница 125: ...ucer type Select the program branch Special functions Press ENTER Select Pipe diameter MIN Press ENTER It is possible to define a min pipe diameter for all relevant transducer frequencies Select Defau...

Страница 126: ...lect a list item Reset meas val Reset totalizers Stop totalizers If an input or event trigger has already been assigned to this function this is displayed as follows Reset meas val R1 Reset of measure...

Страница 127: ...tion is no longer met Select the input which is to be used to trigger the selected remote function Press ENTER Select No linkage in order to deactivate the remote function Press ENTER 17 5 Event trigg...

Страница 128: ...r the cross correlation function Transducer temp transducer temperature Miscellaneous Custom Input 1 measured values of input quantities e g temperature density which are not used for calculation In t...

Страница 129: ...limit Enter the value for the hysteresis If zero is entered no hysteresis is used Press ENTER Enter the center of the range in which the event trigger has to be switched Press ENTER Enter the width o...

Страница 130: ...longer met If a measurement is stopped all event triggers will be deactivated and the corresponding process outputs will be de energized independently of the programmed idle state 17 5 3 Event trigger...

Страница 131: ...u item Event log Press ENTER A list is displayed containing all error messages since the last time the transmitter was switched on Press to select an error message Press ENTER The display indicates th...

Страница 132: ...2 mm Enter the pipe circumference The limits for the pipe circumference are calculated on the basis of the limits for the outer pipe diameter Press ENTER During the next scroll through the program br...

Страница 133: ...anges Press ENTER In the program branch Measurement the recommended transducer distance will be displayed in parenthesis below the entered transducer distance Display of the last value Select the menu...

Страница 134: ...series of measured values has to be entered in the program branch Options Swift damping If Swift damping is activated each displayed measured value is a floating average of the last x seconds with x...

Страница 135: ...Select a barrel type Press ENTER 18 4 Material and fluid scroll list At delivery all stored materials are displayed in a scroll list in the menu item Parameters Pipe material For the sake of clarity m...

Страница 136: ...s parameter record Select the menu item Param record memo Press ENTER Select Save current record Press ENTER Enter the name the parameter record has to be stored with Press ENTER 18 5 2 Load of a para...

Страница 137: ...Special functions Press ENTER Select the menu item HotCode Press ENTER Enter the HotCode via the keyboard For the input of numbers see section 4 4 Press ENTER Special functions System settings Display...

Страница 138: ...ode Select the menu item System settings in the program branch Special functions Press ENTER Select Key lock Press ENTER Enter a 6 digit key lock code For the input of numbers see section 4 4 Press EN...

Страница 139: ...tivated key lock The following table gives an overview of the transmitter functions that are not available when the key lock is activated Special functions System settings Key lock measurement not sta...

Страница 140: ...18 Settings 18 8 Key lock FLUXUS G831ST HT 2021 06 01 UMFLUXUS_G831ST HTV1 0EN 140...

Страница 141: ...Expected max flow Units of measurement Inputs Pipe material Transducer distance A Outputs Outputs Pipe wall thickness Barrier distance Assign inputs Measurement Lining Transducer distance B Remote fun...

Страница 142: ...eters Transducer Connected transd Select transducer Outer diameter 1 Pipe material Pipe wall thickness Lining Yes No Lining 2 1 Coating 1 Roughness Automatic Customized Fluid 2 Fluid temp Fluid pressu...

Страница 143: ...tings Options Measurement Units of measurement Physical quantity Flow velocity Operation vol flow Mass flow rate Flow velocity Volumetric flow rate Volume total Unit of measurement Mass flow rate Damp...

Страница 144: ...val Series Occup Logger Immediately Full 5 minutes Full 10 minutes Full 15 minutes Full 30 minutes Full hour Event based 1 Yes No Storage rate w o trig Decimal places Storage rate trig Buffer time Sto...

Страница 145: ...06 01 Measurement start Parameters Measurement Installation Start measurement Measuring point no Expected max flow Transducer distance A Barrier distance Transducer distance B Parameter search Measure...

Страница 146: ...ies Diagnostic values Miscellaneous Event trigger Status Values R1 R2 R3 R4 Output range Output range Status OK Error value Measured values 1 Absolute value Sign Start of meas range Start of meas rang...

Страница 147: ...ure Current Temperature Tx Enable No Yes Pt100 Pt1000 Temperature offset 1 No Yes Temperature Trigger value No Yes Function Within range Out of range MAX x limit MIN x limit ERR x fail Range center Tr...

Страница 148: ...ized Current Input name Unit of measurement Decimal places Input range 0 20 mA 4 20 mA Other range Input MIN I Input MAX I Start of meas range End of meas range Error value Yes No Trigger value No Yes...

Страница 149: ...f Default Customized Off Profile correction 2 Flow velocity limit Default On Off Default Customized Off Multi point calibration 3 Signal search range High voltage On Off Averaging factor Crest factor...

Страница 150: ...tities Special functions Options Temperature Current Flow quantities Sound speed Totalizers Fluid properties Diagnostic values Condition Event trigger R1 R2 R3 R4 Switching condition Holding behavior...

Страница 151: ...alues Miscellaneous Function MAX x limit MIN x limit Within range Out of range ERR x fail Type Non hold Hold for a while Hold Hold interval Options 1 Outputs Within range Out of range MAX MIN ERR Sele...

Страница 152: ...range ERR x fail MAX x limit MIN x limit ERR x fail Type Range center Trigger value Non hold Hold for a while Hold Range width Hysteresis Hold interval Glitch interval 1 Within range Out of range MAX...

Страница 153: ...ERR x fail Yes Out of range ERR x fail MAX x limit MIN x limit ERR x fail Type Range center Trigger value Non hold Hold for a while Hold Range width Hysteresis Hold interval Glitch interval 1 Within...

Страница 154: ...t of measurement description bar a bar absolute bar g bar relative psi a pound per square inch absolute psi g pound per square inch relative unit of measurement description g cm3 gram per cubic centim...

Страница 155: ...gallon per hour gal USgpm US gal m gallon per minute gal USgps US gal s gallon per second gal KGPM US Kgal m kilogallon per minute kgal MGD US Mgal d million gallons per day Mgal CFD cubic foot per d...

Страница 156: ...h pound per hour lb lb m pound per minute lb lb s pound per second lb klb h kilopound per hour klb klb m kilopound per minute klb 1 lb 453 59237 g 1 t 1000 kg unit of measurement description operating...

Страница 157: ...rve as an orientation C 2 Typical roughness values of pipes The values are based on experience and measurements material display explanation ctrans m s clong m s cflow Carbon Steel steel normal 3230 5...

Страница 158: ...1ST HT AA1 HART intrinsically safe 11 12 current output I1 intrinsically safe 11 12 G831ST HT AA2 HART intrinsically safe 11 12 current output I1 intrinsically safe 11 12 temperature input T1 intrinsi...

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