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Table 4: Transducer signal settings

Transducer signal

parameters

Range

Default

value

Description

Acceleration limit

0 to 250 ft/s

(0 to 76 m/s)

15 ft/s

(5 m/s)

The E6: CYCLE SKIP error message appears when the calculated fluid

velocity changes by more than the programmed ACCELERATION LIMIT

value from one reading to the next. See Chapter 2 in the service manual

for a discussion of error codes.

Amplitude

discriminator low

0 to 100

The amplitude discriminator measures the transducer signal received

by the model XGF868i. The default value for the above parameter is

14, and values from 0 to 100 are acceptable. The E5: AMPLITUDE error

message appears when the amplitude discriminator falls below the

programmed AMP. DISCRIM LOW value. See Chapter 2 in the service

manual for a discussion of error codes.

Amplitude

discriminator high

0 to 100

The amplitude discriminator measures the transducer signal received

by the model XGF868i. The default value for the above parameter is

34, and values from 0 to 100 are acceptable. The E5: AMPLITUDE error

message appears when the amplitude discriminator exceeds the

programmed AMP. DISCRIM HIGH value. See Chapter 2 in the service

manual for a discussion of error codes.

Delta T offset

-1000 to 1000

µsec

0 µsec

An offset between the upstream and downstream transit times is

specified at this prompt.

Skan T offset

–500 to 500

µsec

58 µsec

At this prompt, specify a time measurement offset that compensates

for any shift resulting from cross-correlation. Set to 0 for active skan T

offset.

% of peak

1 to 100%

50%

The percentage of peak used to calculate the transit times and Delta T

is specified at this prompt.

M>S switch

0 to 250 µsec

50µsec

If the burst mode is set to skan/measure (S/M), the meter switches from

skan to measure mode when Delta T is less than the M>S_switch value.

DO NOT change this value unless advised to do so by the factory.

# shifts

0 to 10

The number of shifts corresponds to the actual number of transmits per

cycle (number of signals added together in one direction to produce

an averaged signal for one interrogation of the fluid) and need only be

changed if the environment is very noisy or the acoustic signal is weak.

A divisor

0.1 to 10

2.5

A divisor is used to calculate the measure mode integrated threshold

level and is not normally changed.

# transmit pulses

1 to 16

# transmit pulses specifies the number of pulses in a burst. For difficult

conditions (i.e. long paths, high velocity or high temperature), settings

as high as 16 may be necessary.

T window (cycles)

0 to 1000

The XGF868i calculates the size of the transmit window based on pipe

size and fluid sound speed. However, for diagnostic purposes, the

window size may be reset.

R window (cycles)

10 to 128

The XGF868i calculates the size of the receive window based on pipe

size and fluid soundspeed. However, for diagnostic purposes, the

window size may be reset.

Содержание DigitalFlow XGF868i

Страница 1: ...DigitalFlow XGF868i Panametrics flare gas flow transmitter Programming manual...

Страница 2: ...ii...

Страница 3: ...DigitalFlow XGF868i Panametrics flare gas flow transmitter Programming manual 910 198P Rev C February 2015 iii...

Страница 4: ...no content intended for this page iv...

Страница 5: ...onsibility of the user to make sure all local county state and national codes regulations rules and laws related to safety and safe operating conditions are met for each installation Auxiliary equipme...

Страница 6: ...avoid the dissemination of those substances in our environment and to diminish the pressure on the natural resources we encourage you to use the appropriate take back systems Those systems will reuse...

Страница 7: ...ssure switch 7 1 8 Entering setup data 8 1 8 1 Setting transducer signal parameters 8 1 8 2 Initializing setup parameters default setup 10 1 8 3 Setting response time V averaging 10 1 8 4 Using advanc...

Страница 8: ...endix B Data records 45 B 1 Available option cards 45 B 2 Option cards installed 45 B 3 Setup data 46 Appendix C Programming the XGF868i with PanaView 51 C 1 Introduction 51 C 2 Programming with PanaV...

Страница 9: ...the meter 76 C 9 2 Saving new site data to the XGF868i 77 C 9 3 Saving a site to the PC 77 C 9 4 Clearing a site from the meter 77 C 9 5 Saving site data in text form 77 Appendix D PanaView menu maps...

Страница 10: ...x...

Страница 11: ...and running as quickly as possible you must as a minimum activate the channel s enter the channel and global system data and the pipe parameters The procedure options section at the end of each menu...

Страница 12: ...a hazardous area Six keys on the keypad enable users to program the XGF868i Enter confirms choice of a specific option and data entry within the option Escape allows users to exit from a specific opt...

Страница 13: ...g To continue entering quick startup data proceed to step 3 in the following section To continue regular programming refer to Appendix A Menu Maps on page 39 to navigate to the desired menu To leave t...

Страница 14: ...sands of LB Metric tons 1 000 KG Millions of LB Tons 2 000 LB 2 Scroll to the desired mass flow time units for the mass flow rate display and press enter 3 Scroll to the desired number of Mdot decimal...

Страница 15: ...s the time required for the transducer signal to travel through the transducer and its cable This time delay must be subtracted from the transit times of the upstream and downstream transducers to ens...

Страница 16: ...hen do one of the following If other was selected proceed to step 10 If air was selected proceed to step 11 10 Use the arrow keys to enter the fluid soundspeed in feet per second in the gas to be meas...

Страница 17: ...es would be used to set up input B 1 7 3 Base temperature 1 Use the arrow keys to enter the base temperature and press enter The ratio of this value to the actual temperature is used to calculate the...

Страница 18: ...a value for a parameter with menu options and press enter Procedure options After completing the above steps the XGF868i returns to the channel SET UP window Do one of the following To continue progra...

Страница 19: ...an T offset 500 to 500 sec 58 sec At this prompt specify a time measurement offset that compensates for any shift resulting from cross correlation Set to 0 for active skan T offset of peak 1 to 100 50...

Страница 20: ...V averaging Use this option to specify the number of readings that occur before the meter will respond to a step change in flow rate In general the smaller the number of readings the less steady the d...

Страница 21: ...es Procedure options After completing the previous steps the XGF868i returns to the advanced features window Do one of the following To continue programming refer to Appendix A Menu Maps on page 39 to...

Страница 22: ...pt scroll to Eng to display measurements in English units or to metrc for metric units and press enter 5 Scroll to the desired pressure units absolute or gauge and press enter 6 Do one of the followin...

Страница 23: ...three submenus are included in this section Error program the meter s response during an error condition see below Optn set up any option cards and the slot 0 analog outputs see Setting up slot 0 and...

Страница 24: ...o the global I O window Do one of the following To continue programming refer to Appendix A Menu Maps on page 39 to navigate to the desired menu To leave the keypad program press escape four times 1 9...

Страница 25: ...downstream ultrasonic signal transit time N A N A DELTA Displays the transit time difference between the upstream and downstream signals N A N A Tot K K factor based on the Reynolds number N A N A PE...

Страница 26: ...ed menu To leave the keypad program press escape three times 1 9 2d Analog inputs Refer to Figure 31 on page 43 and complete the following steps to set up the analog inputs of an option card installed...

Страница 27: ...39 to navigate to the desired menu To leave the keypad program press escape four times 1 9 2f Frequency outputs The frequency output issues a continuous signal with a frequency proportional to the se...

Страница 28: ...serial interface go to procedure options 1 9 3b Setting up MODBUS communications When equipped with an optional MODBUS output card the XGF868i can transmit flow data serially to a flow computer or SCA...

Страница 29: ...t int 5 8 Ch1 Act volumetric Q DIGITS 4 IEEE 32 bit 7 C Ch1 Std volumetric Q DIGITS 4 IEEE 32 bit 9 10 Ch1 Fwd totals T DIGITS 4 2 16 bit int 11 14 Ch1 rev totals T DIGITS 4 2 16 bit int 13 18 Ch1 tot...

Страница 30: ...54 6A Ch2 timer 2 4 2 16 bit int 56 6E Ch2 error code 0 2 57 70 Ch2 sound speed 3 4 2 16 bit int 59 74 Ch2 molecular weight 4 4 2 16 bit int 61 78 Ch2 sig strength upstream 1 4 2 16 bit int 63 7C Ch2...

Страница 31: ...508 3F6 2MODBUS baud rate 0 2 509 3F8 3MODBUS parity 0 2 510 3FA 4MODBUS stop bits 0 2 511 3FC MODBUS meter addr 0 2 512 3FE RESERVED 1 Clear totalizers Flag from the 8051 to clear either the channel...

Страница 32: ...secur and press enter 4 At the lock out prompt scroll to UNlck to unlock the system and return to the initial program menu or scroll to lock to lock the system NOTE If the system was unlocked at the...

Страница 33: ...ogram window scroll to prog and press enter 4 In the prog menu scroll to GLOBL and press enter 5 Scroll to I O and press enter 6 Scroll to LCD and press enter 7 The window now asks for the of LCD para...

Страница 34: ...page 25 NOTE For information on the logging output see Chapter 3 logging data 2 3 2 The text display output To collect data from the instrument and display it on a text screen complete the following s...

Страница 35: ...n the context menu NOTE After resizing or removing any of the multiple text screens the default tiled layout may be restored by opening the window menu see the PanaView user s manual and clicking on t...

Страница 36: ...the selected process parameter s as a function of time at the interval specified in step 3 5 While PanaView is graphing the data the following actions may be taken from the control pane change the sam...

Страница 37: ...To select a different signal type open the signal menu at the right shown here with raw upstream highlighted and click on the desired signal 2 3 3b Plotting transducer signals To plot the selected si...

Страница 38: ...28...

Страница 39: ...gging capability with PanaView 3 2 Logging with PanaView PanaView is capable of creating and viewing log files of the following types Meter logs log files stored in the XGF868i memory as discussed abo...

Страница 40: ...iven starttime Double click on OK to agree to the given time on now to start the log immediately or on edit to change the starting time j If you select edit PanaView asks first for the desired hour th...

Страница 41: ...year then for the month and finally for the day For each parameter type the desired number in the right window or scroll to and click on the desired month and click next item or simply click next item...

Страница 42: ...n the log browser dialog box are unavailable 2 Double click on the computer name to advance to the dialog box shown in Figure 15 below Figure 15 Log type selection 3 Double click on PC logs to advance...

Страница 43: ...e logs the tree will appear similar to Figure 19 below Figure 19 Expanded meter logs option 2 Double click on the desired log A window opens for the individual log as shown in Figure 20 below Figure 2...

Страница 44: ...n buttons listed in step 2 above You can monitor the progress of an ongoing log in several ways Click on the log items tab see Figure 21 on page 33 for a list of the parameters specified for logging C...

Страница 45: ...1 Installation of the Startup guide for instructions on wiring the RS232 serial port For additional information refer to the EIA RS Serial communications manual 916 054 After making the hardware conne...

Страница 46: ...no content intended for this page 36...

Страница 47: ...led information on creating a log file see Chapter 3 Logging data on page 29 For detailed information on programming site data see Chapter 1 Programming site data on page 1 IMPORTANT None of the clear...

Страница 48: ...logs or on the communication port name and the meter name to access the stored meter logs In either case the log browser appears similar to Figure 25 below Figure 25 Log browser window 4 Highlight th...

Страница 49: ...Maps are included in this appendix Figure 28 on page 40 PROG CHx ACTIV SYSTM PIPE I O Menus Figure 29 on page 41 PROG CHx SETUP Menu Figure 30 on page 42 PROG GLOBL SYSTM I O COMM Menus Figure 31 on...

Страница 50: ...nglish PIPE OD inch feet mm m Metric English PATH LENGTH P PIPE WALL inch feet mm m Metric English AXIAL LENGTH L Other Air FLUID TYPE FLUID SOUNDSPEED On Off REYNOLDS CORRECTION CALIBRATION FACTOR KI...

Страница 51: ...LOCITY HIGH LIMIT VELOCITY LOW LIMIT SOUNDSPEED LIMIT CORR PEAK LIMIT SIGNAL LOW LIMIT INIT AVRG ADVAN NO YES 1 2 5 30 60 STATS 10 Signal defaults RESPONSE TIME MULTK MASS Multi K factors Static densi...

Страница 52: ...s 28 and 29 Eng METER MESSAGE Metric PRESSURE UNITS SYSTEM UNITS PSIa PSIg BARa BARg Kpaa Kpag Metric English ATMOSPHERIC PRESSURE 1 CHANNEL UNITS 2 CHANNEL UNITS VOLUMETRIC UNITS LCD HOLD LOW HIGH HH...

Страница 53: ...utputs C D A B TEMP OFF Input measurement LABEL RTD inputs ZERO value FULL scale value C D A B FREQ OFF CH1 CH2 SUM DIF AVE Measurement name Slot 1 outputs TOTL TOTL TIME MDOT VEL VOLUM SS up SS do SN...

Страница 54: ...44...

Страница 55: ...frequency outputs 1473 15 FRI 2 frequency outputs 1 RTD input 1 current input 1345 04 Modbus communications protocol 1385 HART communication 1477 03 2 MODBUS TCP IP 1477 01 Ethernet 1475 01 Foundatio...

Страница 56: ...Channel status Off Burst Channel status Off Burst Measure mode Skan S M Measure mode Skan S M Channel system Channel label Channel label Site channel msg Channel message Vol units Vol units Vol time...

Страница 57: ...ngth P Path length P Axial length L Axial length L Fluid type Air Other Fluid type Air Other Other Sndspd Other Sndspd Calibration factor Calibration factor Channel input output Zero cutoff Zero cutof...

Страница 58: ...p data Channel SETUP advanced features multi K factors K factor Velocity K factor K factor Velocity K factor 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 1...

Страница 59: ...y Fluid density Mole weight Mole weight Global system Meter message Totalizer units System units English Metric Tot dec digits Pressure units Mass flow Atmos pressure Mass flow time Vol units MDOT dec...

Страница 60: ...50...

Страница 61: ...nel status activate one or both channels and select the desired measurement method Channel system enter the individual channel parameters Channel pipe enter the pipe parameters Channel I O set up the...

Страница 62: ...ht the my computer name branch by clicking on it 3 Pull down the edit menu by clicking on it in the menu bar 4 Click on the new menu option to select it and a submenu opens with two choices on it see...

Страница 63: ...ed to install the Ethernet device discovery software utility available with your XGF868i on a PC connected to the LAN Once installed and running the software displays all Ethernet devices currently co...

Страница 64: ...ption to select it 4 The new IDM meter screen see Figure 36 below opens Enter the network ID number for the meter and click ok Figure 36 New IDM meter screen IMPORTANT The network ID number must match...

Страница 65: ...on page 54 click on the XGF entry The screen now appears similar to Figure 39 below Figure 39 Meter tree with edit functions option 2 Expand the edit functions option The window now appears similar t...

Страница 66: ...tings you have modified or left unchanged as shown in Figure 43 below If you modify or step through more than five items a scroll bar at the right of the panel lets you review the earlier settings Fig...

Страница 67: ...View returns to the channel program menu see Figure 41 on page 55 Proceed to the system option C 5 2 Entering data in the channel system option 1 From the channel program menu highlight and double cli...

Страница 68: ...The first prompt asks for the transducer number For a standard transducer double click on the standard option in the center pane Then enter the number engraved on the transducer head in the right pane...

Страница 69: ...t pane and click next item NOTE If a spoolpiece was ordered with the meter the transducer signal path length P and the transducer signal axial length L are engraved on the flowcell and or are included...

Страница 70: ...d to base temperature on the next page 4 Select input A or input B and click next item The inputs were labeled during setup NOTE The set up of input A is used as an example Identical procedures would...

Страница 71: ...rs Range Default value Description Signal low limit 20 to 100 20 The E1 LOW SIGNAL error message appears when the signal strength falls below the programmed SIGNAL LOW LIMIT value See Chapter 2 in the...

Страница 72: ...to 100 50 The percentage of peak used to calculate the transit times and Delta T is specified at this prompt M S switch 0 to 250 sec 50 sec If the burst mode is set to skan measure S M the meter switc...

Страница 73: ...e multi K factors or on no to disable this option If NO was selected the meter returns to the advanced features window If YES was selected proceed to step 3 3 Double click on the desired custom type v...

Страница 74: ...e 45 System option in the global menu 3 Double click on the desired system units selection either metric or English The XGF868i will display all parameters and measurements in the designated units 4 D...

Страница 75: ...l programmed data in Appendix B Data records on page 45 The I O submenu consists of the following options Error handling program the meter s response during an error condition Options set up any optio...

Страница 76: ...ge measurements below C 6 2b The error option NOTE The 2PATH ERROR HANDLING option is intended for applications where two sets of transducers are installed in the same location in the same pipe to imp...

Страница 77: ...ns specific to the type of input or output selected above Analog outputs Complete the following steps to set up the analog outputs for any slot refer to Figure 58 on page 83 1 Double click on the desi...

Страница 78: ...transit Displays the upstream ultrasonic signal transit time N A N A DN transit Displays the downstream ultrasonic signal transit time N A N A Delta T Displays the transit time difference between the...

Страница 79: ...prompt the meter returns to step 1 Click exit page to proceed to another menu or option Option card analog inputs Complete the following steps to set up the analog inputs of an option card installed i...

Страница 80: ...vailable at the above prompt 4 Double click on the desired measurement name Table 25 on page 68 provides a description of the available parameters NOTE The measurement units that appear in these promp...

Страница 81: ...m port submenu and returns to the global program prompt NOTE The XGF868i MODBUS communication settings chosen in the next four steps must match those of the MODBUS control system 4 Double click on the...

Страница 82: ...C Ch1 error code 0 2 23 24 2E Ch1 sound speed 3 4 2 16 bit int 24 26 32 Ch1 molecular weight 4 4 2 16 bit int 26 28 36 Ch1 sig strength upstream 1 4 2 16 bit int 28 30 3A Ch1 sig strength downstream 1...

Страница 83: ...gth upstream 1 4 2 16 bit int 61 63 7C Ch2 sig strength downstream 1 4 2 16 bit int 63 65 80 Ch2 temperature 2 4 2 16 bit int 65 67 84 Ch2 pressure 3 4 2 16 bit int 67 69 88 Avg velocity 2 4 2 16 bit...

Страница 84: ...an 2 in error 2 chan 1 in error 3 both ok 5 MODBUS baud rate 5 2400 6 4800 7 9600 6 MODBUS parity 0 none 1 odd 2 even 7 MODBUS stop bits 1 1 stop bit 2 2 stop bits 8 General Registers are written if c...

Страница 85: ...ow appears similar to Figure 46 below Highlight and double click on the security option in the center pane Figure 46 Global menu with security option highlighted 2 If the system is locked the window i...

Страница 86: ...s option The window now appears similar to Figure 50 below Figure 50 Properties window 3 Click on the site files button The site file operations window as shown in Figure 51 below opens Figure 51 Site...

Страница 87: ...the site file operations window you must close and reopen the window to click on the new site C 9 4 Clearing a site from the meter As the XGF868i has only one site loaded working at any time it is not...

Страница 88: ...78...

Страница 89: ...maps are included in this appendix Figure 55 on page 80 PanaView prog CHx ACTIV SYSTM PIPE I O menus Figure 56 on page 81 PanaView prog CHx SETUP menu Figure 57 on page 82 PanaView prog GLOBL SYSTM I...

Страница 90: ...IPE OD inch feet mm m Metric English PATH LENGTH P PIPE WALL inch feet mm m Metric English AXIAL LENGTH L Other Air FLUID TYPE FLUID SOUNDSPEED Yes No REYNOLDS CORRECTION KINEMATIC VISCOSITY VOLUMETRI...

Страница 91: ...ATS 10 Signal defaults RESPONSE TIME MULTK MASS Multi K factors Static density No Yes CstV CstR NO YES Kin viscosity Edit table Enter of K factors velocity Reynolds K factor Repeat for the of K factor...

Страница 92: ...RIC UNITS Display HOLD LOW HIGH HHIGH OTHER YES NO 2 PATH ERROR HANDLING OF LCD PARAMS SUM DIF AVE CH1 CH2 TOTL TOTL TIME MDOT VEL VOLUM SS up SS do SNDSP T up MASS MASS REYN Tot K PEAK Qup Tdown DELT...

Страница 93: ...H1 CH2 SUM DIF AVE Measurement name Slot 1 outputs TOTL TOTL TIME MDOT VEL VOLUM SS up SS do SNDSP T up MASS MASS REYN Tot K PEAK Qup Tdown DELTA AMPdn CNTup CNTdn P up Qdown AMPup PRESR Z AcVOL StVOL...

Страница 94: ...84...

Страница 95: ...Avg fwd mass totals MTOT_U Ch1 rev mass tTotals MTOT_U Ch2 rev mass totals MTOT_U Avg rev mass totals MTOT_U Ch1 mass tot digits none Ch2 mass tot digits none Avg mass tot digits none Ch1 molecular we...

Страница 96: ...the tree under GEFlow XGF 2 Select the others tab and open the drop down list for the PRIMARY_SELECTOR and SECONDARY_SELECTOR refer to Figure 60 on page 86 3 Choose the unit from the list see Figure...

Страница 97: ...d the PRIMARY_SELECTOR was set to use velocity you would choose m s for the unit as shown in Figure 61 below Figure 61 Units index drop down list E 5 Resetting instrument totalizers To reset the instr...

Страница 98: ...ditor The flowmeter AI blocks along with the AO and PID of another device on the network are displayed We have connected the AI_1 OUT of the flowmeter to the CAS IN of the AO block We have also connec...

Страница 99: ...s arising from course of dealing or usage or trade Return policy If a Panametrics instrument malfunctions within the warranty period the following procedure must be completed 1 Notify Panametrics givi...

Страница 100: ...eduction targets across critical industries including Oil Gas Energy Healthcare Water and Wastewater Chemical Processing Food Beverage and many others Join the conversation and follow us on LinkedIn l...

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