Home

DigitalFlow™ ISX878

1. GND LUG 2X i4 2 T eJn6i4 1 ALL DIMENSIONS ARE REFERENCE 2 ALL DIMENSIONS IN INCHES MM 1 29 Installation July 2006 4 38 REF FRONT VIEW S SPACING SEE NOTE 2 BOTTOM STRAP 4 PLACES SLIDE BLOCKS poc 2 PLACES P 0 r r ass YY J J 229 7 3 Es TOP PRESSURE BOLT WITH NUT 2 PLACES TIGHTENER CL AMPIN G MECHANISM 4 PLACES uao REF ONLY e PLACES PIPE REF ONLY TWO TRAVERSE INSTALLATION NOTES 1 INSTALLATION ORIENTATION FOR A HORIZONTAL lt OR INCL PIPE MOUNT TRANSDUCERS ON SIDE OF THE PIPE SPACING IS CALCULATED FROM FLOWMETER PROGRAM Figure 1 28 Two Traverse Installation Dwg 570 095 sh 1 Installation 1 30 July 2006 4 32 REF STRAP 4 PLACES i i ip S SPACING SEE NOTE 2 FRUNT VIEW s TOP
2. 3 4 Setting Screen Contrast a NA A A lie il ERE era 3 5 Setting the Number of Screen VIBWS fica levati rca lati eolie ana 3 5 Chapter 4 Configuring Meter Data as ae 4 1 Enters Global lere ca m Cera les ian lie ai 4 1 Entering Base Zero and Span Output Vqlues 4 2 Entering Output Type and UNITS cu mer ae a al 4 2 Entering Base and Span Values 4 3 Entering Error FORMANCE 212 0 t d pter zit Sea alato aces CREE det e 4 5 Entering RS232 Communication SettingS 4 5 Resetting Forward and Reverse Totols 4 6 jog oido o mn ee ee as ii in 4 6 CONfigurngaheOpronCards St er ee 4 7 Configuring the Totolizer Option sca oa eth ols eri tuerit tcl Od ft Tn a 4 7 Soi a ete een 4 9 WAGES c HC 4 10 Chapter 5 Calibration MEA ee Oa etiain 5 1 Updating ISX878 Instrument Softwore 5 1 Checking the Meter Software 5 4 Checking Option Card Version Information 5 4 Trimming 4 20 mA via the Keypad AAA A A lai 5 5 vi July 2006 u Table of Contents cont Chapter 6 Error Codes and Diagnostics A a E pe oe Bi lin 6 1 EHOFCOUBS e ed
3. Top View End View Figure 1 22 A Single Traverse CF ES Installation without Transducers Installation 1 19 July 2006 Mounting Transducers into the CF ES The last step of installation is mounting the transducers into the clamping fixture IMPORTANT To maintain ATEX certification the transducer face must be protected against impact This is provided by properly installing the transducer into the clamping fixture All care must be taken during installation to ensure all protection is afforded Procedure for Mounting Transducers To mount the transducers into the CF ES use the following steps 1 Apply a thread sealant to the transducer threads A sealant is not required within the US however a sealant must be used in the European Community 2 Before mounting the transducers thread the junction box onto the end of the transducer with the connector as shown in Figure 1 23 below Ensure that at least five full threads are engaged Make sure to orient the cover of the junction box so it is accessible to make cable connections once the box is installed Figure 1 23 Threading the Junction Box 3 Take one of the transducers and apply a thin bead of couplant down the center of its face approximately the size of a toothpaste bead Figure 1 24 below IMPORTANT 7o prevent the loss of coupla
4. 2 16 Entering the Meter Correction K Factor 2 18 Entering Error Limits us sn ee EXE EPI E E ss 2 19 July 2006 Introduction The Model ISX878 flow transmitter includes a User Program that provides access to the various programmable features of the instrument This chapter describes step by step programming instructions using the internal keypad shown below in Figure 2 1 Ch1 Volumetric a 100 00 OMO Gallons min ESQ D Figure 2 1 An ISX878 Display and Keypad Refer to the appropriate section for a discussion of the following PROG menu options Status activate or deactivate one or both channels paths Note The ISX878 can use two channels or paths to make more accurate flow measurement by averaging subtracting or adding the channels paths together Transducer enter data for preprogrammed or special clamp on transducers Pipe enter pipe parameters e Fluid enter fluid type and Reynolds Correction data Path enter number of traverses and transducer spacing for clamp on transducers Signal entering signal parameters such as Delta T offset zero cutoff and velocity averaging K Factor entering the Meter Correction K Factor as a single value or as a table of values e Error Limits entering minimum and maximum signal velocity amplitude and soundspeed To measure flow rate with the ISX878 you must at a minimum activate the cha
5. w Voltage Adjustment FullLocked ProgLocked Internal Cal Base Span Base Value Pe Span Value Figure A 3 The ISX878 DISP CAL USER SERVICE and FACTORY Menus Menu Maps A 3 July 2006 Ten Press ESC ENT ESC passcode if locked NFIG Continued from Figure A 2 alizer Units Pulse Pulse Width arity jon Dead Band bidon Error Level ilsafe Negative metric Soundspeed Diagnostic English Metric See Table 6 1 Meters sed F
6. 6 7 Problems elk 6 7 Pipe Materials 7 4 Pipe Problems 6 7 Pipe Sizes i235 ni Lara EAE k huu 7 4 Pipe Submenu 2 8 Pipe Wall Thickness 7 4 Pipe Entering Parameters 2 8 Power Supply 7 2 Problems Transducers 6 9 Prog lock unie euis 2 2 PROG Menu y k 222 ee A 1 Programming 2 1 R Range sans a a paio Dil 7 1 Rangeability 7 1 Repeatability 7 1 Reynolds 6 5 D 3 Reynolds Correction Entering Data 2 13 Reynolds Number Diagnostic 6 5 D 3 RS232 Serial Port Wiring 1 26 Index July 2006 Index cont S T Schedule for Pipe Materials 2 10 MUPa ccd astra ass D 3 Screen Views Setting Number of 3 5 Temperature Coefficient 2 7 Security Codes ua usss asa mom 2 2 ThreshDn o o oo oocoocmo 6 5 D 3 SERVICE Menu uueeees eese A 3 Thresh UD sesso rr be 6 5 D 3 Service Record D 1 Thresh l d usss ala Qa 2 17 signal Dni das seen 6 5 D 3 Time Delay a unta wantu esee 2 7 Signal Parameters Entering 2 16 Totalizer Signal Path Entering Data 2 15 Resetting sso ater pi 4 6 Signal Quality Error E
7. D 3 Acceleration Limit 2 20 DISP Menu Li A 3 Amplitude Error E5 6 2 Display Analog Output Error E7 6 3 Locking ya ara 2 3 Unlocking LL 2 2 B Display Adjusting Numeric Format 3 3 Display Setting Up 3 1 Base Output Value Entering 4 2 DN Peak 6 5 D 3 Base Value Entering 4 3 DN Amp Disc 6 5 D 3 Baud Rate nunca ea pasas eee qua 4 5 DNSignalQ 6 5 D 3 DN Transit eco os klar uERL 6 5 D 3 C Double Traverse Method 1 7 CAL Men ici e ERE u A 3 Calibration 5 5 CE Mark Compliance B 1 Channel Disabled E30 3 2 a Lei 6 3 Channel Changing in Display 3 2 Channel Path Status Activating 24 CONFIG Menu 4 1 A 2 Contrast Setting 3 5 Cycle Skip Acceleration Error E6 6 3 Cycle Time eos Dpr ii 6 5 D 3 Index July 2006 Index cont E F EO sos ee les 61 FACTORY Menu A 3 Ele wamaq hi pM s a canarias 61 Flow Accuracy 7 1 EZ he 6 2 Flowcell Problems lp Em 6 2 O u a ses Pend bebe epus 6 6 Edreams ie Dat ne 6 2 Pipe 4 200 ee een 6 7 B5 er ran ne 6 2 Fluid Bose eek ee brag Seren 6 3 Entering Data 2 12 ETS AA tia 6 3 Phys
8. 2 17 Input Output Specifications 7 3 Instrument Software Updating 5 1 5 3 Invalid Calibration BEST sod ees le cad M ee 6 3 2 Index July 2006 Index cont K K Facto pesem asii die ara 2 18 K Factor Entering 2 18 KRE fot eri eben gne EET 6 5 D 3 KHactor r essen 6 5 Kinematic Viscosity Entering 2 14 L Line Power Wiring 1 6 Lining Soundspeed 2 11 Low Signal Error El 6 1 LVD See CE Mark Compliance B 1 M Max Amplitude 2 19 Maximum Signal 2 19 Maximum Velocity ooooo oooo 2 19 Measurement Parameter Changing 3 2 3 3 Measurement Parameters Number Shown 3 5 Measurement Units Changing 3 4 MEMO tard a dpi indici 7 3 Meter Correction K Factor 2 18 Meter Software Checking 5 4 Min Amplitude 2 19 Minimum Signal 2 19 Minimum Velocity 2 19 N No Eiror Edi asta re maid 6 1 Node ID coins E eR 4 5 Norm Factor 6 5 D 3 O Operating Mode 7 3 Option Cards Wiring 1 24 Output Type and Units Entering 4 2 P A parata as ar news 4 5 Peak Detection 2 17 Pipe A Series ara 2 11 Material sura os 2 8 2 9 Measurements
9. Tw Wedge Angle Wedge Soundspeed TempCo Preprogrammed Other Aluminum Soundspeed Lining Material Preprogrammed Other Material Glass PFTE Soundspeed Monel For iron steel PVC CPVC Schedule Pipe Sizes Ce 8 in 5 200 mm Schedule Thickness ignal erses Spacing Delta T Offset Zero Cutoff Errors Allowed Peak Detection e o Peak Threshold 6 132 ity Averaging 60 Stat Reynolds Transmit Sample Size Single Preprogrammed her Temperature Preprogrammed her Soundspeed Water 260 Water Oil 100 Max Soundspeed Min Soundspeed i
10. Reynolds Error Limits Tabl or Units Rows Used Edit Table 1 Velocity Meters sec Number of Rows Row 1 Row X Rows Used Table Velocit Diagnostic Number of Rows al Up Signal Min Signal Max Signal Min Vel Max Vel Min Amplitude Max Amplitude Soundspeed Acceleration The ISX878 PROG Menu Figure A 1 Menu Maps A 1 July 2006 Continued from Figure A 1 Press ESC ENT ESC passcode if locked Continued in Figure A 3 Units Metric Englis h Velocity Volumetrig Soundspeed English Metric Ft sec Meters sed English English Metric Ft sec Meters sed Metric Error Level Hold Value Force HH Force Value Cuft hr CuFt sec CuFt min MCuFt day Liter sec r min Ga
11. Note Obtain the required information by measuring either the pipe outside diameter OD or circumference at the transducer installation site The data may also be obtained from standard pipe size tables found in Sound Speeds and Pipe Size Data 914 004 5 The meter also requires the Wall Thickness WT Scroll to the WT option and press ENT Use the arrow keys to enter the known thickness and press ENT Note To obtain an accurate pipe wall thickness measurement use an ultrasonic thickness gauge Programming Site Data 2 9 July 2006 Entering the Pipe Material 6 If you have selected certain materials such as carbon or stainless cont steel cast iron PVC and CPVC the ISX878 offers the option of entering the pipe dimensions by a standardized schedule This option does not appear unless you have selected one of these materials if you have proceed to step a below Once you enter the nominal pipe size and schedule number the ISX878 determines the OD and wall thickness from an internal table a Scroll to the Schedule option and press ENT b A list of pipe sizes opens from 15 to 200 mm 0 5 to 8 in Scroll to the desired pipe size and press ENT c A list of schedules opens Scroll to the desired schedule and press ENT You have finished entering the pipe parameters Press ESC until you return to the Pipe Material Lining window or continue pressing ESC to return to the data display windo
12. 0 1 to 0 3 of reading Note Specifications assume a fully developed flow profile with a straight run of pipe 10 diameters upstream and 5 diameters downstream and flow velocity greater than 1 ft s 0 3 m s Acoustically conductive fluids including water and most hydrocarbon liquids Maximum void fraction depends on transducers interrogation carrier frequency path length and pipe configuration Specifications 7 1 July 2006 Electrical Specifications Electrical Classification Certification Power Requirements The electrical specifications for the Model ISX878 flow transmitter are divided into the following categories Marking lt Ex gt II 1G EEx ia IIC T4 Ex ia IIC T4 20 C lt Ta lt 60 C 20 C lt Ta 60 C Certificate No Baseefa05ATEX0268X IECExBASO05 0088X Additional Info CE 1180 Special Conditions for Safe Use X The apparatus is not capable of withstanding the 500 V rms test as defined in Clause 6 4 12 of EN50020 This must be taken into account on any installation in which it is used for example by assuring that the supply to the apparatus is galvanically isolated GE Infrastructure Sensing MODEL 19xR78 ES 1100 Technology Park Dr S N Billerica MA 01821 USA Ex la HC T4 IN 20 C to 60 C Baseefa05ATEX0268 1180 IECEXBAS05 0088X 15 30 VDC loop powered 2 W max Output Drive Capability Max load ohms 50 x PSV 15 Rc where PSV z power supply
13. Dampening Material N A Life of 25 years Consult factory for additional information if needed No cleaning required Clamping Fixture Determined by user Periodic inspection and tighten ing of clamping fixture nuts is required to ensure clamping fix ture does not become loose and fall possibly causing injury No cleaning required Error Codes and Diagnostics July 2006 Transducer Problems Clamp on Transducer Problems Ultrasonic transducers are rugged reliable devices However they are subject to physical damage from mishandling and chemical attack Clamp on transducers are also subject to installation variables such as physical misalignment and faulty coupling to the pipe on which they are mounted Because the ISX878 uses clamp on transducers the following list concerns potential clamp on problems Contact GE Sensing if you cannot solve a transducer related problem 1 POOR COUPLING TO PIPE Clamp on transducers must be in close contact with the pipe Make sure the pipe wall is smooth and generally free of paint The couplant material must fill voids between the transducer and the pipe and must be firmly coupled or bonded to both the pipe and the transducer The pipe and transducer must be clean and dry for permanent couplant such as grease or epoxy to adhere properly Enough pressure must be applied to the transducer by its clamp to hold it firmly against the pipe 2 MI
14. Note Channel 2 AVG 2 Path AVG SUM and DIFF are only available for a two channel ISX878 3 The screen now displays three measurement parameters velocity volumetric and soundspeed Scroll to the desired selection and press ENT 4 The menu now asks for the unit type For velocity or soundspeed measurements the menu offers a single selection either feet sec or meters sec depending on your choice of units Press ENT to confirm the entry and return to the previous menu For volumetric the menu offers a list of output units either metric or English Scroll to the desired units and press ENT Press ESC until you return to the CONFIG menu 4 2 Configuring Meter Data July 2006 Entering Base and Span Values Entering Error Handling 1 In the Loop option press W and ENT to enter the Base option 2 The Base window opens Use the arrow keys to enter the desired base 4 mA value for the analog output and press ENT 3 The ISX878 returns to the Loop menu Press W and ENT to enter the Span option 4 The Span window opens Use the arrow keys to enter the desired span 20 mA value for the analog output and press ENT The ISX878 returns to the Loop option Press W and ENT to enter the Error Level option 2 The screen displays a list of error options as defined in Tables 4 1 and 4 2 below and Table 4 3 on the next page Scroll to the desired option and press ENT
15. lt i EEN RNA ARREDO NU OPTION CARD 2 SEE DETAIL A ATTACH SHIELD DRAIN WIRES TO CHASSIS S SHOWN CHASSIS GND RS232 CABLE USED IN NON HAZARDOUS ENVIRONMENT CONNECT TO SAFETY BARRIER ROWER ASMA SUPPLIED CONNECT TO SAFETY BARRIER UP STREAM TRANSDUCER PAIR CHANNEL1 UP STREAM DOWN STREAM DOWN STREAM TRANSDUCER PAIR CHANNEL 2 LOOP POWER CONNECTOR PIN DESCRIPTION 1 LOOP POWER 15 TO 28VDC LOOP RTN P GND MA TRANSDUCER CHANNEL 1 CONNECTOR UTXDR ISXDR PIN DESCRIPTION COLOR COLOR 3 CH 1 A DRIVE RED BROWN REA DRIVE BLACK BLUE CH 1 B DRIVE RED BROWN xn 1 B DRIVE BLACK BLUE TRANSDUCER CHANNEL 2 CONNECTOR UTXDR ISXDR DESCRIPTION COLOR COLOR 9 CH2 ADRIVE RED BROWN NON 2 A DRIVE BLACK BLUE CH 2 B DRIVE RED BROWN Fai 2 8 DRIVE BLACK BLUE ALAR 1 OUTPUT A 2 OUTPUT A COMMON 3 NC 4 NG 5 OUTPUT B 6 OUTPUT B COMMON 7 NIC OOONONNN js 00000000 DETAIL A QPTIONS Figure 1 31 ISX878 Wiring Diagram Dwg 702 528 rev 4 Installation 1 33 Chapter 2 Programming Site Data Introduction circa a 2 1 Activating a Channel Path Status 2 4 Entering Transducer Parameters 2 6 Entering Pipe Parameters 2 8 Entering Fluid Data u a FEE aan a 2 12 Entering Path Datd gre e ker eget ees 2 15 Entering Signal Parameters
16. Programming Site Data July 2006 Entering Signal In the Signal submenu you can set parameters that affect the Parameters transducer signal Caution The SIGNAL default settings are suitable for most applications Consult GE Sensing before changing any of these applications Delta T Offset e Zero Cutoff Errors Allowed Peak Detection Method and Thresholds Transmit Sample Size Velocity Averaging While following the programming instructions refer to Figure A 1 on page A 1 of Appendix A Menu Maps Note fyou are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection To enter the Signal submenu Press ESC The ISX878 enters the User Program Press the P key until PROG is bracketed and press ENT Use the A and V keys to scroll to the desired Channel and press ENT Scroll to the Signal option and press ENT 5 The first prompt Delta T Offset is the difference between the upstream and downstream transit times of the transducer signals It should normally be set to 0 Press ENT use the arrow keys to enter the new value and press ENT to confirm your entry The next prompt asks for the Zero Cutoff Near zero flow the ISX878 may have fluctuating readings due to small offsets caused by factors such as thermal drift in the fluid The zero cutoff
17. The ISX878 enters the User Program Press the P gt key until DISP is bracketed Scroll to the Views option and press ENT Scroll to the desired number of views and press ENT Q NU N e Press ESC to return to the User Program or continue pressing ESC to return to the display screen Displaying Data 3 5 Chapter 4 Configuring Meter Data Introduction uns en a 4 1 Entering Global Units 4 1 Entering Base Zero and Span Output Values 4 2 Entering RS232 Communication Settings 4 5 Resetting Forward and Reverse Totals 4 6 Handling Totalizer Errors 4 6 Configuring the Option Cords 4 7 July 2006 Introduction The CONFIG menu in the ISX878 User Program enables you to set global parameters for the meter that suit your individual preferences The available parameters include Metric or English units 4 20 Loop Settings low and high values Communication settings Resetting totals Totalizer error handling To enter the CONFIG menu from the display screen press ESC to enter the User Program and press the P key once While following the programming instructions refer to Figure A 2 on page A 2 of Appendix A Menu Maps Note fthe program is locked follow the directions on page 2 2 to
18. s axis as shown in Figure 1 10 below Top of Pipe Side View Figure 1 10 Line Parallel to Pipe Axis 1 12 Installation July 2006 The Double Traverse 5 Make two marks shown in Figure 1 11 below on the line equal to Method CF ES cont the transducer spacing distance S as calculated by the meter Spacing Side View Figure 1 11 Marks for Transducer Spacing on Inscribed Line 6 From each of the marks measure around the circumference of the pipe in the same direction a distance equal to one quarter the pipe s circumference as shown in Figure 1 12 below Make a crossmark with a marker or scribe Ba Side View Crossmarks Figure 1 12 Measuring a Quarter Circumference Installation 1 13 July 2006 The Double Traverse Method CF ES cont 7 Center one of the blocks over one of the crossmarks on the pipe Align the block so that the pressure bolt is over the center of the mark Secure the block by wrapping the two straps around the block and pipe and tightening them Make sure the turnbuckles are at least 1 2 pipe diameter away from the block as shown in Figure 1 13 below Turnbuckles Top View Figure 1 13 Positioning Turnbuckles 1 2 Pipe Diameter from Block 8 Repeat Step 7 to install the other block over the other crossmark Figure 1 14 below Note Make sure
19. Configuring the Totalizer 1 Press ESC The ISX878 enters the User Program Option 2 Press the P gt key until CONFIG is bracketed and press ENT The screen appears similar to Figure 4 1 below Communication Reset Totals Totalizer Errors 1A Totl Alrm 1B Totl Alrm Figure 4 1 The CONFIG Menu 3 Use the A and W keys to scroll to the desired option 1A or 1B 2A or 2B and press ENT 4 Use the A and W keys to scroll to the Totalizer option and press ENT The screen now appears similar to Figure 4 2 below arm lota Unit Pulse 1 000Gal Pulse Width 100ms Polarity Figure 4 2 The Totalizer Option Entering Output Status 1 In the Totalizer option select Status and press ENT 2 Use the A and W keys to scroll to the desired option ON or OFF and press ENT Configuring Meter Data 4 7 July 2006 Entering Output Type and Units Entering Pulse Width 1 2 In the Totalizer option press ENT to enter the Units option The menu displays five options Channel 1 Channel 2 AVG 2Path SUM DIFF and AVG Use the A and W keys to scroll to the desired option and press ENT Note Channel 2 AVG 2 Path AVG SUM and DIFF are only 1 available for a two channel ISX878 The screen now displays two measurements Fwd Total and Rev Total Scroll to the desired option and press ENT The menu now asks for the Unit Type For both Fw
20. Scroll to the Temperature option and press ENT Then use the arrow keys to enter the process temperature and press ENT For fluids monitored with a Tracking Window the meter offers the selections of Water up to either 100 or 260 C or Oil Scroll to the desired listing and press ENT 2 12 Programming Site Data July 2006 Entering Fluid Data cont Entering Reynolds Correction Data 8 The menu now varies depending on your selections in steps 6 and 7 If you have selected Preprogrammed fluids the ISX878 supplies a list of preprogrammed fluids As shown in Table 2 3 below the list varies depending on whether you have selected normal or tracking window fluid types In either case scroll to the desired fluid and press ENT If you selected Other the ISX878 asks for the fluid soundspeed for Normal fluids or minimum and maximum soundspeed for Tracking Window fluids In either case scroll to the soundspeed option and press ENT Use the arrow keys to enter the appropriate soundspeed and press ENT Table 2 3 Preprogrammed Fluid Types Tracking Windows Off Tracking Windows On Water 0 260 C Water 0 100 C Sea Water Water 0 260 C Oil 22 C Oil Crude Oil Lube Oil X200 Methanol 20 C Ethanol LN2 199 C Freon R 12 Diesel Gasoline 9 Press the ESC key until you return to the Fluid Type window discussed in Step 5 Reynolds C
21. Table 4 1 Error Options and Responses for a 1 Channel Path Meter Output Response Hold Value Holds the last good reading Force HI 20 mA Forces the outputs to the high set point Force LO 4 mA Forces the outputs to the low set point Force HH Forces the outputs 10 above the high set 22 mA point Force LL Forces the outputs 10 below the low set 3 8 mA point Force Value Forces the outputs to a preprogrammed value If you select Force Value as shown in Table 4 1 above the meter asks for a specific value Use the arrow keys to enter the desired value and press ENT AVG 2PATH is an independent totalizer which uses the AVG 2PATH volumetric to calculate the totalizer value Composite channels AVG SUM and DIFF continue to calculate when either channel goes into error and will display if either channel is in error Table 4 2 Non Totalizer Two Path Averaging Truth Table AVG 2PATH Calculation Non Total Values CH1 CH2 2 CHI CH2 Hold Last Value Configuring Meter Data 4 3 July 2006 Entering Error Handling cont Table 4 3 Error Options and Responses for a 2 Channel Path Meter Totalizer Response When Error Handling is When Display Totalize on Totalize on Measuring Response Error YES Error NO CHI or CH2 Holds last Holds last good Stops vel vol good reading and con totalizing etc reading tinues to t
22. unlock the user program Entering Global Units In the Units submenu you can choose to display all measurements in either metric or English formats Note You cannot choose to display some measurements in English formats and others in metric To access the Units submenu 1 Press ESC The ISX878 enters the User Program 2 Press the P gt key until CONFIG is bracketed and press ENT 3 Press ENT to enter the Units submenu 4 Use the A and V keys to scroll to the desired selection metric or English and press ENT The ISX878 returns to the CONFIG menu IMPORTANT On any menu if you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection Configuring Meter Data 4 1 July 2006 Entering Base Zero and The 4 20 Loop submenu enables you to enter the information needed Span Output Values to set up output parameters unit type base zero and span values and error handling To enter data in the 4 20 Loop submenu 1 Press ESC The ISX878 enters the User Program 2 Press the P key until CONFIG is bracketed and press ENT 3 Press Y to reach the 4 20 Loop submenu and press ENT Entering Output Type and 1 In the Loop submenu press ENT to enter the Units option Units 2 The menu displays five options Channel 1 Channel 2 AVG 2Path SUM DIFF and AVG Use the A and W keys to scroll to the desired option and press ENT
23. 2006 Option Bar Table 6 1 Available Diagnostic Parameters Description Delta T ns Displays the transit time difference between the upstream and downstream signals Amp Up Displays the value for the signal ampli tude of the upstream transducer lt 19 or gt 29 Amp Dn Displays the value for the signal ampli tude of the downstream transducer lt 19 or gt 29 T Up us Displays the upstream ultrasonic signal transit time T Dn us Displays the downstream ultrasonic signal transit time Gain Up dB Displays upstream gain in dB N A N A Gain Dn dB Displays downstream gain in dB N A N A Signal Up Displays the signal strength for the upstream transducer 50 75 lt 50 or gt 75 Signal Dn Displays the signal strength for the down stream transducer 50 75 lt 50 or gt 75 Thresh Up Displays the value at which the ISX878 detects the signal arrival time for the upstream transducer 100 100 lt 100 or gt 100 Thresh Dn Displays the value at which the ISX878 detects the signal arrival time for the downstream transducer 100 100 lt 100 or gt 100 Norm Factor Displays the normalization factor 0 85 1 0 lt 0 85 P Up Displays signal peaks for the upstream transducer 100 924 lt 100 or gt 924 P Dn Displays signal peaks for the downstream tran
24. In the Alarm option press ENT to enter the Units option Units 2 The menu displays five options Channel 1 Channel 2 AVG 2Path SUM DIFF and AVG Use the A and W keys to scroll to the desired option and press ENT Note Channel 2 AVG 2 Path AVG SUM and DIFF are only available for a two channel ISX878 3 The screen now displays three measurements Velocity Volumetric and Sound Speed Scroll to the desired selection and press ENT For velocity or sound speed measurements the menu offers a single selection either in feet sec or meters sec depending on your choice of units Press ENT to confirm the entry and return to the previous menu For volumetric the menu offers a list of output units either metric or English Scroll to the desired units and press ENT Configuring Meter Data 4 9 July 2006 Entering Output Type and Units cont Entering Trip Point Entering Dead Band Entering Trip Direction Entering Error Level Entering FailSafe What s Next 4 The menu now asks for the Unit Type and offers a list of output units either metric or English Scroll to the desired units and press ENT 5 Press ESC until you return to the Alarm submenu 1 In the Alarm option select Trip Point and press ENT 2 Use the A and W keys to change the numeric value and the lt and P keys to change the digit selection Adjust to the desired value and press ENT 1
25. TMP option and press ENT Then use the A and W keys to enter the temperature and press ENT Note The wedge temperature of the transducer can be approximated by inputting an average value for the surface temperature of the outside pipe wall 8 Do one of the following For preprogrammed transducers scroll to the desired Transducer Number either 407 2 MHz 408 4 MHz 409 500 kHz or 410 1 MHz and press ENT Then press ESC three times to return to the PROG menu For other transducers proceed to Other Transducers on the next page IMPORTANT Other special transducers have no engraved number on the housing and are rarely used Examine the transducer housing carefully for a number 2 6 Programming Site Data July 2006 Other Transducers 1 The first required parameter is the Frequency Press ENT to open the Frequency window Then scroll to the frequency of your transducer from 0 25 to 4 00 MHz and press ENT 2 The meter next asks for the Time Delay Tw Scroll to the Tw option and press ENT Then use the arrow keys to enter the time provided by GE Sensing in microseconds and press ENT 3 The next parameter is the Wedge Angle the angle of the transducer s ultrasonic transmission in the transducer wedge Scroll to the Wedge Ang option and press ENT Use the arrow keys to enter the provided angle in degrees and press ENT 4 To enter the Wedge Soundspeed scroll to the W
26. cel Dl a a rere dL i Fe a O 6 1 EO NO EOP an e Jes iones Rees tee ER aS 6 1 AS le sor ili A up ate Sue ead 6 1 EZ SOUNG Speed Er C IR eL o eie CR et bx la e gs 6 2 ES TV BLOCH RONGE e ET pA M sd M ES 6 2 EXPO ua oie hon At ler pastus ttbi tete ar tein itte dl tes a coe 6 2 EBSAImIDIUCIS ENO e C tai lies eins di AO m 6 2 Fo CCl SaS ua tu reso Menu A a e ado e kuy wu T 6 3 EZ Analgg DURE eae a ise da Der dura fe aes du ku a a fes AD Leger 6 3 ESOS Channel Disabled eo una ee ett qu dite imc edes Crete an 6 3 ES Invalid Callbratan ose moe eo ER sd ad 6 3 Displaying Diagnostic Porqmeters 6 4 FIR and Pipe PrO DES ayu t A ro i A r 6 6 Fluid Probleme an m ee elio ie O E ud 6 6 PID RFODlemS A TU RR E RT AOC SOA TEL DR IS 6 7 Maintaining the ISXDR Transducers sacello aa 6 8 Treipsdueer Problems Cole m us S awama ie li ie 6 9 Clamp on Transducer Problems 6 9 Chapter 7 Specifications General Specific tops ex oo er et le A e be Ale 7 1 Hardware CODTIQUEGBIOR S uico aoi ie Deacon Dec PRO Si ete c ebd ee 7 1 EDVIFODEenbel o s ae 7 1 Measurement Parameters 0 isc ss rere es E E RT RR 7 1 Keypad ay OS s u AS sas s a ates EE 7 1 Flow Accuracy OG OT Reg llng s s Z u au A kau neces ET 7 1 RANGE c ds ed ma a aa 7 1 cl A AA 7 1 Repeatability min catodico iii AL PLU ahh Le 7 1 A tei 7 1 Electrical Specifications sse sce aoc bre Fa
27. granting access to the display and user program the number is 7378 3 Press ENT The display screen reappears with the lock removed or partially unlocked Security will remain at this level until you change the level in the user program as described on the next page 2 2 Programming Site Data July 2006 Locking the ISX878 You can access the security level in two ways From the display screen 1 Press the P key three times until the lock in the upper right corner is highlighted 2 Press ENT and proceed to step 4 below From the User Program 1 Press ESC The ISX878 enters the User Program 2 Press the P key until USER is bracketed 3 The menu highlights Set Security Press ENT 4 The screen shows three options Full Lock which prevents a user from changing any part of the display or user program without the appropriate code Prog Lock which allows a user to change the display but not to enter the user program Unlocked which allows access to both the display and the user program Scroll to the desired option and press ENT twice 5 Press ESC to return to the User Program or continue pressing ESC to return to the display screen If you have chosen to fully lock the ISX878 the screen appears similar to Figure 2 3 below with a solid lock in the upper right corner For a meter with only the user program locked the lock shows a keyhole in the center Velocity 0
28. has been loaded a Press ESC to enter the User Program b Press the P gt key until FACTORY is highlighted Scroll to the Versions option and press ENT c Press ENT again to enter Main The display should appear similar to the screen below 2006 GE SENSING Checking Option Card To verify which option card version has been loaded Version Information 1 Press ESC to enter the User Program 2 Press the P key until FACTORY is highlighted Scroll to the Versions option and press ENT 3 Press ENT again to enter Option Cards The display should appear similar to the screen below OPTION CARD VER INFO 1 TOTAL TOTAL 5 4 Calibration July 2006 Trimming 4 20 mA via the Keypad 1 In the User Program scroll to CAL with 4 20 Loop highlighted Press ENT Scroll to Mode and press ENT In the Mode window scroll to Test Trim and press ENT 3 Return to the Loop window and scroll to Percent 8 9 In the Percent window use the arrow keys to set the percentage to 100 Press ENT Record the value shown on the current meter Now use the arrow keys to set the percentage to 0 Press ENT Record the value shown on the current meter Return to the Loop window and scroll to Base Trim Press ENT Use the arrow keys to enter the base trim value the value recorded in step 5 The loop current should now be the same as the current meter It should read 4 0
29. specifications it is possible that the fluid itself may be preventing accurate flow rate measurements The fluid being measured must meet the following requirements 1 The fluid must be homogeneous single phase relatively clean and flowing steadily Although a low level of entrained particles may have little effect on the operation of the Model ISX878 excessive amounts of solid or gas particles will absorb or disperse the ultrasound signals This interference with the ultrasound transmissions through the fluid will cause inaccurate flow rate measurements In addition temperature gradients in the fluid flow may result in erratic or inaccurate flow rate readings 2 The fluid must not cavitate near the measurement point Fluids with a high vapor pressure may cavitate near the measurement point This causes problems resulting from gas bubbles in the fluid Cavitation can usually be controlled through proper system design 3 The fluid must not excessively attenuate ultrasound signals Some fluids particularly those that are very viscous readily absorb ultrasound energy In such a case an El error code message will appear on the display screen to indicate that the ultrasonic signal strength is insufficient for reliable measurements 4 The fluid sound speed must not vary excessively The Model ISX878 will tolerate relatively large changes in the fluid sound speed as may be caused by variations in fluid composition and or temperature How
30. the P key until PROG is bracketed and press ENT 3 Use the A and V keys to scroll to the desired Channel and press ENT 4 Scroll to the Path submenu and press ENT 5 The meter first asks for the number of Traverses or times the signal crosses the pipe Press ENT scroll to the number of traverses for your installation and press ENT to confirm the entry Note The great majority of ISX applications call for two traverses Figure 2 5 below illustrates signal paths for a typical two traverse installation Upstream Downstream Transducer Transducer lt a S 4 Ultrasonic Signal Paths 2 Traverse Installation Figure 2 5 Signal Paths for a Two Traverse Installation 6 The remaining prompt displays the Transducer Spacing as calculated from the information entered Use this number to set the spacing of the transducers The minimum spacing is 0 9 in If necessary you can overwrite the spacing to match the actual physical spacing of the transducers Press ENT to open the Spacing window and use the arrow keys to change the value Then press ENT to confirm the value IMPORTANT Itis recommended that you do not use a spacing other than the one calculated by the ISX878 However if you do use a different spacing do not change the spacing by more than 10 from that calculated by the ISX878 Press ESC until you return to the PROG menu or continue pressing ESC until the display screen reappears
31. to the ground bus IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 2 For a 2 path averaging ISX878 repeat step 1 to connect the CH2 transducers to the terminal block for Channel 2 It is not required that both channels paths of a 2 Channel unit be connected Note The ISX878 uses two channels or paths to make more accurate flow measurement by averaging subtracting or adding the channels paths together 3 Connect the transducer shield wires to the ISX878 ground bus 4 Do one of the following Proceedto the next page to wire the ISX878 option cards if desired Proceed to page 1 26 to wire the ISX878 RS232 serial port if desired Replace the front cover on the enclosure and tighten the screws IWARNING Use RS232 connections only in the safe area Note A channel must be activated before it can begin taking measurements See Chapter 2 Programming Site Data for instructions Installation 1 23 July 2006 Wiring the Option Cards Wiring the Totalizer Option Follow the instructions on page 1 4 before wiring the option cards Refer to Figure 1 31 on page 1 33 to locate the totalizer terminal block and connect the totalizer option card as follows 1 Follow the instructions on page 1 4 to prepare the unit before you connect power IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables mus
32. upper left if you press the 4 key it highlights the error code parameter in the lower right Continue pressing the 4 or P key to reach the desired parameter When you have highlighted that parameter press ENT IMPORTANT On any menu if you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection Displaying Data 3 1 July 2006 Changing the Channel Changing the Measurement Parameter Note This option is available only for 2 channel versions of the ISX878 The first parameter on the screen in the upper left is the Channel Number You can change the display to show either of the two channels or the average sum or difference of the channels 1 When you have highlighted the channel number press ENT 2 The screen displays a list of options Channel 1 Channel2 AVG 2 Path SUM DIFF AVG Chl Ch2 2 Note The 2 Path Avg option is intended for applications where two sets of transducers are installed in the same location in the same pipe to improve accuracy and the ISX878 operates in AVE 2 Path mode With this function enabled the ISX878 performs error handling only if both channels paths are in error If this function is disabled error handling occurs when either channel path goes into error Scroll to the desired option and press ENT The display screen reappears with the new channel The next parameter i
33. 0 Meters sec Figure 2 3 ISX878 Screen with Locked Program Programming Site Data 2 3 July 2006 Activating a Channel Path Status In the Status submenu of the PROG menu you can activate or deactivate a channel path While the channel path should be activated when you receive your unit you should verify that the channel path is active before you begin programming When following the programming instructions refer to Figure A 1 on page A 1 of Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Note f you are not using Channel 2 of a two channel ISX878 disable it to increase the response time To access the Status submenu 1 Press ESC The ISX878 enters the User Program 2 Press the P gt key until PROG is bracketed in the top left corner and press ENT 3 Use the A and V keys to scroll to the desired channel and press ENT The screen appears similar to Figure 2 4 below OG si EX Pipe Fluid Path Signal y K Factor Figure 2 4 The PROG Menu 4 Press ENT to open the Status submenu 5 The screen offers two options ON and OFF Use the A and V keys to scroll to the desired selection and press ENT IMPORTANT On any menu if you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection 6 Press ESC or ENT twice if you have selected the other opti
34. 0 40 to 221 F 40 C to 105 C Frequency 500 kHz 1 MHz 2 MHz 4 MHz Mounting ISXDR 407 408 Fixture with stainless steel strap ISXDR 409 410 CF ES clamping fixture with stainless steel strap Certifications ISXDR 407 408 Type 4X IP65 ISXDR 409 410 Type 4X IP66 Pipe Materials Can clamp to all metals and most plastics Consult GE Sensing for concrete composite materials and highly corroded or lined pipes Pipe Sizes ISXDR 407 408 0 5 to 8 in 12 mm to 200 mm ISXDR 407 408 409 410 2 0 to 16 in 50 8 mm to 406 4 mm Pipe Wall Thickness Up to 0 5 in 12 mm Area Classifications Standard general purpose Hazardous area classification Zone 0 7 4 Specifications Appendix A Menu Maps The ISX878 PROG Menu A 1 The ISX878 CONFIG Menu A 2 The ISX878 DISP CAL USER SERVICE and FACTORY Menus A 3 Option Card Programming CONFIG Menu A 4 July 2006 Press ESC ENT ESC passcode if locked Continued on Figure A 2 O I M 4 Preprogrammed Ot her Wedge Tmp Frequency leali 1 0 2 0 14 0
35. 0 01 mA Press ENT Repeat steps 3 and 4 Return to the Loop window and scroll to Span Trim Press ENT 10 Use the arrow keys to enter the span trim value the value recorded in step 4 The loop current should now be the same as the current meter It should read 20 0 0 01 mA Press ENT 11 Return to the Loop window and scroll to Mode Press ENT Scroll to Normal and press ENT Note The difference between Test and Test TRIM is that Test is the raw output current without the trim applied Test TRIM is the output current with trim applied Calibration 5 5 Chapter 6 Error Codes and Diagnostics Introduction sense ab 6 1 Error Codes uu ee 6 1 Displaying Diagnostic Parameters 6 4 Fluid and Pipe Problems 0c eene 6 6 Maintaining the ISXDR Transducers 6 8 Transducer Problems 6 9 July 2006 Introduction Error Codes EO No Error E1 Low Signal The Model ISX878 flow transmitter is a reliable easy to maintain instrument When properly installed and operated as described in Chapter 1 Installation the meter provides accurate flow rate measurements with minimal user intervention However if a problem should arise with the electronics enclosure or transducers this chapter explains how to troubleshoot the Model ISX878 Indications of a possi
36. 2 Site Considera dot 1 2 Electronics Enclosure Locqtion 1 2 Transducer Locqtion 1 2 Cable LAS ban ua id b uE Di 1 3 TIANsdUcereonies acli 1 3 Mounting the S49 78 Electronics Enclosure radiale aa 1 4 Making the Electrical Connections 1 4 Preparing the Unit Before Making Electrical Connections 1 4 EOS SgfetV A AAA 1 4 Intrinsically Safe Installation Requirements 1 5 Safety Barier A A ARTI re IES o AED 1 5 A A late Leda bia 1 6 Determining the Number of Troverses 1 7 stalling the Tron odU TETS vao AD ee u reo tu Pb 1 9 Small Pipe Transducer Instollotion 1 9 Large Pipe Fixture and Transducer Instollotion 1 11 Mounting Transducers into the CF ES 1 20 Wiring the Iransducers nee hr ne rate ar 1 23 Winnog the Option Cards p iot e cor SL tod al MER eae So en g 1 24 Wiring the RS232 e Pot uu labii iaia ge gaa me a orae 1 26 Service Requirements 1 27 MUROS Neki NE 1 27 Chapter 2 Programming Site Data Iptreduttiot acetato A as kup e ud 2 1 Unlocking and Locking the ISX
37. 2 4 Placement gii price 6 7 Stop BIS yapata Me eto a es 4 5 Poor Coupling 6 9 Problems i2 li Se DASS 6 9 Replacement 6 9 WIDE cioe llo dra 1 23 Transducers Other 2 7 Transmit Sample Size 2 17 Jr Vetses scout 2 15 Trimming 4 20 MA 5 5 EW ray Bee he 2 7 4 Index July 2006 lt o Index cont U Units for Output Entering 4 2 Universal Clamping Fixture Mounting Transducers 1 20 UP A Peaks iii rale io 6 5 D 3 UP Amp Disc 6 5 D 3 UP Signal Q nen tina 6 5 D 3 USER Menu A 3 User Program Data Record tA C 1 Locking ar asian Rice as 2 3 Unlocking i cinco Sev 4 Re 2 2 V Velocity Averaging 2 17 Velocity Range Error E3 6 2 W Wall Thickness 2 9 Wedge Angle 0 0 eee eee 2 7 Wedge Soundspeed 2 7 Wedge Temperature 2 6 Wiring CE Mark Compliance B 1 Diagrammi 1 33 Z Zero Cutoff wi ean ee Ba eae 2 16 Index 5 GE DECLARATION Sensing OF CONFORMITY we GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility thot the DigitalFlow ISX878 Liquid Flow Ultrasonic Transmitter to which this declaration relates is in conformity with the following stand
38. 4 62 Totalizer Errors Handling 4 6 Signal Submenu 2 16 Tracking Windows 2 12 Signal UD ong stig eis Area gie 6 5 D 3 Transducer Single Traverse Method 1 7 Cables uisi uro Ee brin 1 3 General Clamping Fixture 1 16 Location 2 saa pasa lasa lasa 1 2 Soundspeed Transducer Number 2 6 Error E2 OS 6 2 Transducer Operation 2 15 PUIG A EE eS 6 6 Transducer Spacing Entering in Meter 2 15 for Fluid oL eese tide Ea 2 13 Transducer Spacing Setting 1 9 for Pipe Lining 2 11 Transducer Specifications 7 4 for Pipe Material 2 8 TransducerSubmenu 2 6 Soundspeed Limits 2 19 Transducers Span Output Value Entering 4 2 Cycle Skip os coses 6 9 Span Value Entering 4 3 Entering Parameters 2 6 Specifications Fixing on Pipe 1 10 1 11 Electrical ruta a 7 2 Installing 2 8 a as 1 9 Environmental oo oo ooo oo o o 7 1 Internal Damage 6 9 Hardwate 0 0 cee eee eee 7 1 Misalignment 6 9 Input Output 7 3 Mounting into UCF 1 20 Transducer 0 0 0 cee eee eee 7 4 Physical Damage 6 9 Status Submenu
39. 878 ira eee ale 2 2 Unlocking EFE SAO OO u pini la ie ra e eee Lect do a 2 2 Movs llo ds TE 2 3 Activating q Channel Path Status as rios e 2 4 Entering Transducer Poroqmeters 2 6 Other Transducers 2 7 Entering Pipe Rarameters c Seer ha Al A ee even e En 2 8 Entering the Pip Tate ICI a b NUR 2 8 Enternng PIpe EIFIDOSHDOEE coda Pd E vM E loeo e DU Pec e Pda 2 11 ENE Fd DOO e ii Ris D e ds eC aed 2 12 Entering Fled PUDE 2a co c tui ru det epe re d p erdt reads 2 12 Entering Reynolds Correction Data 2 13 Efitering Path Dataa edes vet a ads 2 15 Entering Signal Porometers 2 16 Entering the Meter Correction K Foctor 2 18 Entering Error Lic ali dii NL En be a DE ES 2 19 VNA ANO I SING ela nano ana 2 20 July 2006 NN Table of Contents cont Chapter 3 Displaying Data A o elio ea 3 1 Setting Up tie DIS a ha dr cere tbe das Ma aos e dd e e od 3 1 Changing tS Channeli acre eli ee 3 2 Changing the Measurement Parameter 3 2 Adjusting the Numeric Display Format ansich aaa 3 3 Changing the Measurement Units 3 4 Interpreting the Error Messoge
40. But if you scroll to Diagnostic and press ENT the meter asks for the type of signal to be used Signal Strength Up or Signal Strength Dn Scroll to the appropriate signal and press ENT If you select Rows Used the program asks for the number of rows you wish to use Enter the desired number from 2 to 20 and press ENT If you select Edit Table the table opens with a series of rows Scroll to the desired row and press ENT For each row the screen displays the Reynolds Correction number X and the Kinematic Viscosity KV If you wish to change either value scroll to the value and press ENT Use the arrow keys to change the value available in document 914 004 Sound Speeds and Pipe Size Data and press ENT Repeat steps c and d until you have programmed all of your available data from 2 to 20 rows Press ESC until you return to the PROG menu or continue pressing ESC until the display screen reappears Programming Site Data July 2006 Entering Path Data In the Path submenu you can specify and check the path taken by the transducer signal Remember to record all programmed data in Appendix C Data Records Note Ifyou are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection To access the Path submenu 1 Press ESC The ISX878 enters the User Program 2 Press
41. Channel 1 or 2 AVG 2PATH or All Use the A and W keys to scroll to the desired channel and press ENT 5 The next screen displays three choices Reset Fwd Total Reset Rev Total or Reset Both Scroll to the desired choice and press ENT In the Totalizer Errors option you can program each channel Channel 1 Channel 2 or AVG 2 Path to totalize on an error or not The AVG 2 Path is an independent totalizer which uses the AVG 2 Path volumetric to calculate the totalizer value To determine whether the ISX878 totalizes when it encounters an error 1 Press ESC The ISX878 enters the User Program 2 Press the P gt key until CONFIG is bracketed and press ENT 3 Press the W key until Totalizer Errors is highlighted Then press ENT 4 The next window asks you to choose the Channel 1 or 2 or AVG 2PATH Use the A and Y keys to scroll to the desired option and press ENT 5 The final window asks whether the UTX should Totalize on Error Use the A and W keys to scroll to Yes or No and press ENT The totalizer response appears in Table 4 4 below Table 4 4 Totalizer Error Handling CH1 CH2 AVG 2Path Totalize on Error Totalizer Response Holds last good reading and continues to totalize based on that good reading Stops totalizing Note Totalizers are stored within 3 minutes of a power down 4 6 Configuring Meter Data July 2006 Configuring the Option Cards
42. GE Sensing DigitalFlow ISX878 Panametrics Ultrasonic Liquid Flow Transmitter User s Manual GE Sensing DigitalFlow ISX878 Panametrics Ultrasonic Liquid Flow Transmitter I User s Manual 910 270A July 2006 DigitalFlow is a GE Panametrics product GE Panametrics has joined other GE high technology sensing businesses under a new name GE Industrial Sensing July 2006 Warranty Return Policy Each instrument manufactured by GE Sensing Inc is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE determines that the equipment was defective the warranty period is one year for general electronic failures of the instrument one year for mechanical failures of the sensor If GE determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or implied including warranties of merchantability and fitness for a pa
43. In the Alarm option select Dead Band and press ENT 2 Use the A and W keys to change the numeric value and the lt and P keys to change the digit selection Adjust to the desired value and press ENT 1 In the Alarm option select Trip Direction and press ENT 2 Use the A and F keys to scroll to the desired option ABOVE or BELOW and press ENT 1 In the Alarm option select Error Level and press ENT 2 Use the A and W keys to scroll to the desired option HOLD TRIP or RESET and press ENT 1 In the Alarm option select FailSafe and press ENT 2 Use the A and W keys to scroll to the desired option YES or NO and press ENT You have finished entering data in the CONFIG menu Do one of the following To program in other menus refer to Appendix A Menu Maps to navigate to the desired menu To return to the display screen press ESC until the display screen reappears 4 10 Configuring Meter Data Chapter 5 Calibration Introduction aus ea 5 1 Updating ISX878 Instrument Software 5 1 Checking the Meter Software 5 4 Trimming 4 20 mA via the Keypad 5 5 July 2006 Introduction Updating ISX878 Instrument Software In the CALIB menu you can calibrate and trim the analog outputs and inputs and check other meter functions This chapter also covers updatin
44. July 2006 Determining the Number of Traverses cont Double Traverse V Method Transducers u e Ultrasonic Signal Path TOP VIEW Single Traverse Z Method Transducer E se Transducer TOP VIEW Figure 1 4 Double and Single Traverse Installations 1 8 Installation July 2006 Installing the Transducers Small Pipe Transducer Installation Setting Transducer Spacing The transducers that have been specially designed for use with the ISX878 are available in four models 4 MHz for 1 2 to 2 in pipes 2 MHz for 1 2 to 8 in 1 MHz for 2 to 16 in and 500 kHz for 6 to 16 in They typically support 2 traverse applications Two styles of transducer are available one style intended for smaller pipes integrates the cable and clamping fixture while the other style accommodates larger pipes The preattached cables come in lengths from 6 to 25 ft Longer lengths are available by special order Please consult the factory Figure 1 5 below shows a typical ISX878 transducer while the outline and installation drawing for the clamping fixture appears in Figure 1 30 on page 1 32 Figure 1 5 ISX878 Transducer Cable Assembly Note Ifthe calculated spacing exceeds the minimum allowed by the transducers set the transducers to minimum spacing and override the calculated value to the values measured on the transducers If you have not already obtained the transducer spacing y
45. Location Safe Area 14 dam afe ISK878 783 Barnet 2 Hazardous Location See Note ES Figure 1 3 Power Lead Connection to Safety Barrier 1 5 Ground If you are installing the ISX878 for the first time refer to Chapter 2 Programming Site Data and program the sections from page 2 4 to 2 14 the Status Transducer Pipe Fluid and Path options to determine the appropriate transducer spacing to position the transducers see page 1 9 The next step in installation is to determine the number of traverses The transducers can be mounted using one of two methods shown in Figure 1 4 on the next page Double traverse method V method transducers are mounted on the same side of the pipe and the ultrasonic signal is bounced from one transducer to the other off the opposite pipe wall Single traverse method Z method transducers are mounted diagonally across from each other The ultrasonic signal is transmitted directly from one transducer to the other across the pipe You should always try the double traverse method first since it easier to install and yields greater accuracy Otherwise the single traverse method is best for pipes with the following poor inside surface conditions highly attenuating fluid Note You may want to try both configurations to see which yields more accurate results Installation 1 7
46. NTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance IWARNING Always disconnect the input power from the Model 15X878 before removing the front cover Prepare the unit as described below before making any electrical connections 1 Disconnect any previously wired power line from the unit 2 Remove the screws on the front cover 3 Install any required cable clamps on the appropriate conduit holes on the bottom of the enclosure Proceed to the next section to make the desired wiring connections The ISX878 flowmeter is listed as Intrinsically Safe for hazardous locations Intrinsically Safe means that the circuits within this flowmeter are designed to be incapable of producing a spark or thermal effect that could ignite a mixture of flammable or combustible gases when properly installed in a hazardous location However it does not mean that the ISX878 is Explosion Proof If proper safety precautions are not followed or if the equipment is not installed properly there is a serious potential for possible explosion Be sure to review all safety precaution installation and wiring directions throughout this manual prior to installing the ISX878 flowmeter The ISX878 provides intrinsically safe outputs to the transducers allowing the transducers to be located in a hazardous Classified location The ISX878 electronics can be mounted in a h
47. PRESSURE BOLT WITH NUT e PLACES TRANSDUCER BRACKET PIPE REF ONLY 2 PLACES 7 TRANSSUCER REF ONLY 2 PLACES SLIDE BLOCKS TIGHTENER CLAMPING MECHANISM 4 PLACES SINGLE TRAVERSE INSTALLATIO Figure 1 29 Single Traverse Installation Dwg 570 095 sh 2 Installation 1 31 July 2006 A MMF V ADJUSTABLE SLIDING CABLE TRANSDUCER HOUSING SEE NOTE 3 FIXED TRANSDUCER HOUSIN END VIEW 98 56 lt 38 e PIPE N SHOWN WITH 6 RAILS ala SEE NOTE 1 3940 2X 155 STAINLESS STEEL HOSE CLAMP 61 47 J 2 42 S SPACING SEE NOTE 2 UPSTREAM CABLE DUWNSTREAM CABLE 15240 J 6 00 Figure 1 30 Clamping Fixture Outline and Installation Dwg 570 076 rev 1 NOTES 1 SHOWN WITH 6 ENGLISH METRIC SCALE FOR PIPE RANGE SIZE OF 1 2 12 7MM TO 3 101 6MM OPTIONAL 11 ENGLISH METRIC SCALE FOR PIPE RANGE SIZE 1 2 12 7MM TO 8 203 2MW NOT SHOWN 2 SPACING IS CALCULATED FROM FLOWMETER PROGRAM 3 FUR CABLE LENGTH OPTIONS REFER TO BILL OF MATERIALS 573 030 4 DIMENSIONS ARE IN MM INCH ALL DIMENSIONS ARE FOR REF ONLY Installation 1 32 July 2006 NON 1 5 ENVIRNMENT ONLY RS232 CONNECTOR PIN DESCRIPTION COLOR 1 DTR IN POWER BROWN 5 RTS IN POWER A 5 REC PC XM GREEN OPTION CARD 1 SEE DETAIL A Fr
48. SALIGNMENT The transducer transmits relatively narrow beams of ultrasound therefore transducer alignment is critical to assure that the beam can travel from one transducer to the other without undue attenuation Be sure to exactly follow the instructions that came with your transducers and clamping fixtures Also be sure that the actual transducer spacing agrees with the calculated spacing S 3 INTERNAL DAMAGE Ultrasonic transducers consist of a ceramic crystal bonded to the transducer case The bond between the crystal and the case may be damaged by extreme shock and by temperature extremes The crystal itself can also be damaged by the same conditions The internal wiring can be corroded or shorted 1f contaminants enter the transducer housing 4 PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface or striking them against another object IMPORTANT Transducers must be replaced in pairs Refer to Chapter 2 Programming Site Data to program the new transducer data into the meter 5 CYCLE SKIP CONDITION A cycle skip is usually caused by a distorted or altered signal due to poor couplant bad pipe wall or unusual fluid disturbances To resolve a cycle skip recouple both transducers with proper couplant Check your couplant for temperature ranges In addition make sure the pipe wall is free of paint and rust Contact GE Sensing if you cannot solve a transducer related problem Er
49. Update complete Program CRC valid Writing Signature Block OK System will restart in 10 seconds Note f you have another file to update press and hold the left arrow key 4 when the ISX878 displays Restart in 10 sec The meter will enter the reload mode immediately 5 Repeat steps 3 and 4 for each file that needs to be loaded 6 To ensure the ISX878 operates correctly GE recommends defaulting the meter after software updates Press and hold the ENT and ESC keys when the ISX878 displays the following screen GE Panametrics Ultrasonic Flow Transmitter Loading FPGA 7 After several seconds release the keys when the following screen appears GE Panametrics Ultrasonic Flow Transmitter Loading FPGA Done Default Meter UP YES DOWN NO Press the up arrow key A to default the meter or the down arrow key Y to cancel the default Note After the ISX878 has been defaulted it restarts in the locked mode See page 2 2 for instructions on unlocking the meter Also remove the RS232 cable after updating the program 8 To check that the software has been loaded correctly proceed to the next section Calibration 5 3 July 2006 Checking the Meter 1 Turn power on The display should boot up with a typical cycling Software procedure After initialization the display should show Ch 1 Velocity 0 00 Meters Sec and EX 2 To verify which version of software
50. ality is outside the limits programmed in the Error Limits option of the User Program The peak of the upstream or downstream correlation signals has fallen below the correlation peak limit as set in the Error Limits option on page 2 18 This may be caused by a flowcell or electrical problem Check for sources of electrical interference and verify the integrity of the electronics console by temporarily substituting a test flowcell that is known to be good Check the transducers and relocate them if necessary The signal amplitude exceeds the limits programmed in the Error Limits option of the User Program Solid or gas particulates may be present in the flowcell The error could also be caused by poor coupling for clamp on transducers Refer to the section on Fluid and Pipe Problems page 6 6 to correct any flowcell problems 6 2 Error Codes and Diagnostics July 2006 E6 Cycle Skip Accel E7 Analog Out Error E30 Channel Disabled E31 Invalid Calibration Problem Cause Action Problem Cause Action Problem Cause Action Problem Cause Action The acceleration exceeds the limits programmed in the Error Limits option of the User Program This condition is usually caused by poor flow conditions or improper transducer alignment Refer to the sections on Fluid and Pipe Problems page 6 6 and on Transducer Problems page 6 8 to correct any problems The current se
51. an be ordered from GE by requesting a special clamping fixture and specifying either the thread lock or the washers 7 Repeat Steps 1 to 6 to mount the other transducer in the remaining block See Figure 1 26 on the next page for completed installations Installation 1 21 July 2006 Mounting Transducers into IWARNING the CF ES cont Before performing the next step make sure power to the flowmeter electronics has been disconnected 8 Make transducer cable connections as described on the next page Double Traverse Installation Top View Single Traverse Installation Top View Figure 1 26 Completed CF ES Installations with Transducers Note fyou have mounted the transducers into the CF ES properly the two transducer cable connectors will face away from each other as shown in the above figure 1 22 Installation July 2006 Wiring the Transducers Follow the instructions on page 1 4 before wiring the transducers IWARNING Before connecting the transducers discharge any static buildup by shorting the twisted pairs of the transducer cables to the metal shield on the cable connector 1 Refer to the wiring diagram in Figure 1 31 on page 1 33 and connect the transducer cables to the terminal block TB 1 for Channel 1 Then secure the cable clamp Note The RED or BLUE cable leads are the SIG leads and the BLACK or BROWN cable leads are the RTN leads The shield cable leads are connected
52. and press ENT Then adjust the input voltage and press ESC This procedure allows the meter to correctly read the input voltage to adjust the power management algorithm Refer to Figure 1 31 on page 1 33 to locate the power terminal block and connect the input power as follows 1 Follow the instructions on page 1 4 to prepare the unit before you connect power IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 2 Connect the ISX878 case to the earth ground with a grounding cable to the external ground screw found on either side of the enclosure 3 Strip 1 4 in of insulation from the end of each of the two input power leads 4 Route the shielded cable through the conduit hole and connect the power leads to the power terminal block as shown in Figure 1 31 on page 1 33 Tie the shield drain wire to the ground bus bar inside the ISX878 but leave the shield wire open on the power supply end to avoid AC ground loops and for CE certification 5 Leaving a small amount of slack secure the power line with the cable clamp 6 Connect the two power leads to the safety barrier as shown in Figure 1 3 on the next page Barriers must be installed in accordance with the barrier manufacturer s specifications 1 6 Installation July 2006 Wiring the Input Power cont Determining the Number of Traverses 7 Non Hazardous
53. ards e EN50014 1997 A1 A2 1999 EN50020 2002 EN60079 26 as specified in Baseefa05ATEX0268X Baseefa Buxton Derbyshire UK e EN61326 1998 Class A Annex A Continuous Unmonitored Operation e EN60529 1991 A1 2000 IP66 e IEC 60079 0 2000 IEC 60079 11 1999 as specified in 1ECEx BAS 050088X following the provisions of the 89 336 EEC EMC Directive and the 94 9 EC ATEX Directive The units listed above and any transducers supplied with them spoolpieces are addressed under a separate declaration of conformity do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN lt 25 fi 4 30 o June 30 2006 i Date of Issue Mr Gary Kozinski Certification amp Standards Lead Engineer nsal LS EN 1809002 TUV ESSE Shannon ISO 9001 U S CERT DOC H4 August 2004 DECLARATION Sensing DE CONFORMITE Nous GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA d clarons sous notre propre responsabilit que les DigitalFlow ISX878 Liquid Flow Ultrasonic Transmitter r latif cette d claration sont en conformit avec les documents suivants e EN50014 1997 A1 A2 1999 EN50020 2002 EN60079 26 as specified in Baseefa05ATEX0268X Baseefa Buxton Derbyshire UK e EN61326 1998 Class A Annex A Continuous Unmonitored Op
54. area in accordance with the requirements of the EC Type Examination Certificate The installation must be carried out in accordance with all appropriate international national and local standard codes and practices and site regulations for flameproof apparatus and in accordance with the instructions contained in the manual Access to the circuitry must not be made during operation Only trained competent personnel may install operate and maintain the equipment The product has been designed so that the protection afforded will not be reduced due to the effects of corrosion of materials electrical conductivity impact strength aging resistance or the effects of temperature variations e The product cannot be repaired by the user it must be replaced by an equivalent certified product Repairs should only be carried out by the manufacturer or by an approved repairer e The product must not be subjected to mechanical or thermal stresses in excess of those permitted in the certification documentation and the instruction manual The product contains no exposed parts which produce surface temperature infrared electromagnetic ionizing or non electrical dangers C amp CERT ATEX D Rev August 2004 USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensing com Ireland GE Sensing EMEA Unit A B Shannon Free Zone East Shannon County Clare Ireland
55. azardous classified location when appropriate safety barriers are used See Safety Barriers on the next page 1 4 Installation July 2006 Intrinsically Safe Where possible mount the associated apparatus in a non hazardous Installation Requirements location as near as possible to the hazardous location This will minimize the length of intrinsically safe conductors within the non hazardous location thus decreasing the possibility of inadvertent connection of non intrinsically safe energy to the protected circuit IWARNING Intrinsically safe wiring must be separated from non intrinsically safe wiring to prevent the transfer of unsafe levels of energy to the hazardous area Consult local codes and authorities having jurisdiction over the area Safety Barriers The Model ISX878 requires the use of a safety barrier s Refer to Table 1 1 below for the required safety barrier specifications for use with the Model ISX878 Note Safety barriers must be installed in accordance with the barrier manufacturer s specifications Table 1 1 Safety Barrier Specifications Totalizer Alarm Switch Loop Power Output Output MTL 7706 or MTL 7787 or MTL 7741 or equivalent equivalent equivalent 28 VDC 28 VDC 10 VDC 93 mA 93 mA 19 mA 300 ohm 300 ohm Installation 1 5 July 2006 Wiring the Input Power Note f the input voltage needs to be adjusted select Voltage Adjust from the Service Menu
56. ble problem include display of an error message on the LCD screen erratic flow readings readings of doubtful accuracy i e readings that are not consistent with readings from another flow measuring device connected to the same process If any of the above conditions occurs proceed with the instructions presented in this chapter If a problem occurs with the electronics or transducers a built in error code message system greatly simplifies the troubleshooting process All of the possible ISX878 error code messages are discussed in this chapter along with the possible causes and the recommended actions When an error code is generated it will appear in the lower right corner of the LCD screen as discussed in Chapter 3 If an error message appears on the display screen during operation of the Model ISX878 refer to the appropriate section of this chapter for instructions on how to proceed Problem No error condition currently exists Cause This message appears briefly to confirm that the response to another error message has corrected the problem Action No action is required Problem Poor ultrasonic signal strength or the signal exceeds the limits entered via the User Program Cause Poor signal strength may be caused by a defective cable a flowcell problem a defective transducer or a problem in the electronics console A signal that exceeds the programmed limits is probably caused by the entry of an improp
57. both straps are perpendicular to the bottom of the block If the straps are slanted the slack will cause the block to slide The slack may also change the transducer spacing after the transducers are mounted Top View Figure 1 14 Positioning Both Blocks Figure 1 15 on the next page shows a double traverse installation without transducers Proceed to Mounting Transducers into the CF ES on page 1 20 Installation July 2006 The Double Traverse Method CF ES cont End View Figure 1 15 A Double Traverse CF ES Installation without Transducers Installation 1 15 July 2006 The Single Traverse Method CF ES Note The instructions in this section can also be used for a multiple traverse method However you must use an ODD number of traverses The distance the signal travels from one side of the pipe wall to the opposite side of the pipe wall is considered one traverse The procedure for mounting the CF ES involves marking the pipe for the desired spacing fastening the fixture to the pipe and then mounting the transducers into the fixture Procedure You will need a level and marker or scribe to locate the transducers on the pipe 1 Obtain the transducer spacing dimension S as described on page
58. causes velocity measurements less than the cutoff to be reported as zero To set the cutoff press ENT and use the arrow keys to enter the new value Press ENT to confirm your entry 2 16 Programming Site Data July 2006 Entering Signal 7 The Errors Allowed prompt specifies the number of errors the Parameters cont ISX878 can record before displaying an error message Press ENT and use the A and V keys to scroll to the appropriate number of errors from 0 to 16 Press ENT to confirm your entry 8 The next prompt asks for the Peak Detection method In the Peak method the peak is identified by testing a derivative of the signal In the Threshold method the peak is identified as the point where the signal crosses a threshold that is a percentage of the maximum signal detected The peak method is more reliable in identifying the signal in dynamic conditions while the threshold method is more reliable in marginal signal conditions Note Do not change the peak detection method or values unless recommended by GE Sensing a Press ENT The screen shows the two display options Peak and Threshold Scroll to the desired option and press ENT b The next screen depends on your selection in Step a If you select Peak no further options are available Press ESC to return to the Signal menu If you select Threshold and press ENT the screen shows three parameters Min Threshold Max Thresho
59. d Total and Rev Total the menu offers a list of output units either metric or English Scroll to the desired unit and press ENT Press ESC until you return to the Totalizer submenu In the Totalizer option select Pulse Width and press ENT Use the A and W keys to change the numeric value and the lt and P keys to change the digit selection Adjust to the desired value and press ENT Entering Pulse Polarity 1 In the Totalizer option select Polarity and press ENT 2 Use the A and V keys to scroll to the desired option POSITIVE or NEGATIVE and press ENT 4 8 Configuring Meter Data July 2006 Configuring the Alarm 1 Press ESC The ISX878 enters the User Program Option 2 Press the P gt key until CONFIG is bracketed and press ENT The screen appears similar to Figure 4 1 on page 4 7 3 Use the A and V keys to scroll to the desired option 1A or 1B 2A or 2B and press ENT 4 Use the A and W keys to scroll to the Alarm option and press ENT The screen now appears similar to Figure 4 3 below Trip Point 10 000G m Dead Band 1 000G m Trip Direction Error Level FailSafe Figure 4 3 The Alarm Option Entering Output Status Note By default all options are disabled 1 In the Alarm option select Status and press ENT 2 Use the A and W keys to scroll to the desired option ON or OFF and press ENT Entering Output Type and 1
60. d bus bar IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance After the wiring has been completed replace the front cover on the enclosure and tighten the screws Consult the user s manual for the external device to configure it for use with the ISX878 In the event of equipment malfunction all repairs should be performed by an authorized agent It is the responsibility of users requiring service to contact the factory for repair or service GE Industrial Sensing 1100 Technology Park Dr Billerica MA 01821 USA Telephone 978 437 1000 or Toll free 800 833 9438 http gesensing com contact contactus htm After the ISX878 has been completely installed and wired reconnect input power Check the diagnostics discussed in Chapter 6 Error Codes and Diagnostics to ensure that the ISX878 has been properly set up Refer to Chapter 2 Programming Site Data to program the meter for taking flow rate measurements Installation 1 27 July 2006 2 N94 S6TT 2T BMA uonpiip1sul pup AUNANO 828XSI LOW PROFILE
61. dge Sndspd Pipe Material All Clamp On Transducers Pipe O D Pipe Wall Path Length P Axial Length L Lining All Clamp On Transducers Pipe O D Pipe Wall Path Length P Axial Length L Lining Lining Material Lining Material Lining Sndspd Lining Sndspd Lining Thickness Lining Thickness Track Window Yes No Track Window Yes No Fluid Type Fluid Type Other Sndspd Other Sndspd Reynolds Corr Off Active Reynolds Corr Off Active KV Input Sel Table Static KV Input Sel Table Static Kin Visc Kin Visc Cal Factor Cal Factor of Traverses of Traverses Trans Spacing Trans Spacing Data Records C 1 July 2006 Table C 1 Site Data cont Channelx Error Limits Channel 2 if applicable Min Signal Channel 1 Min Signal Max Signal Min Velocity Max Signal Min Velocity Max Velocity Min Amplitude Max Amplitude Max Velocity Min Amplitude Max Amplitude Soundspeed Soundspeed Acceleration Acceleration Channelx Signal Channel 1 Channel 2 if applicable Delta T Offset Zero Cutoff of Errors Delta T Offset Zero Cutoff of Errors Threshold Detection Threshold Min Thresh Detection Min Thresh Max Thresh Max Thresh Xmit Sam Size Xmit Sam Size Vel Averaging System Units English Vel Avera
62. e to select that option once to enter and again to confirm the selection 1 Press ESC The ISX878 enters the User Program 2 Press the gt key until PROG is bracketed in the top left corner and press ENT 3 Use the A and V keys to scroll to the desired Channel and press ENT 4 Scroll to the K Factor submenu and press ENT 5 The screen shows three options Off Single and Table Scroll to the desired option and press ENT 6 The menu varies depending on your selection in Step 5 If you select Off no further choices are available If you select Single the ISX878 displays the K Factor To change the value press ENT Use the arrow keys to change the value and press ENT IMPORTANT Jf you have enabled the Reynolds Correction factor in the Fluid option the K factor should be set to 1 00 Otherwise the typical factor is between 0 5 and 2 00 If you select Table the screen displays three options Units Rows Used and Edit Table a If you scroll to Units and press ENT the screen displays the selected measurement units either metric or English Press ESC or ENT to return to the previous screen b If you select Rows Used the program asks for the number of rows you wish to use Enter the desired number from 2 to 20 and press ENT c If you select Edit Table the table opens with a series of rows Scroll to the desired row and press ENT d For each row the screen display
63. edge SS option and press ENT Use the arrow keys to enter the provided soundspeed in m s or ft s and press ENT 5 The final parameter is the Temperature Coefficient Scroll to the TempCo option and press ENT Use the arrow keys to enter the provided coefficient and press ENT Set the coefficient to 0 if you are unsure of the value You have completed entering parameters for other transducers Press ESC until you reach the PROG menu to continue programming or continue pressing ESC to resume displaying data Programming Site Data 2 7 July 2006 Entering Pipe Parameters Entering the Pipe Material In the Pipe submenu you can specify preprogrammed or special pipe parameters While following the programming instructions refer to Figure A 1 on page A 1 of Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Note If you are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection To access the Pipe submenu Press ESC The ISX878 enters the User Program Press the P key until PROG is bracketed and press ENT Use the A and W keys to scroll to the desired Channel and press ENT Scroll to the Pipe submenu and press ENT The menu offers two options Material and Lining Be sure the Material option is highlighted and pre
64. er value in the Error Limits option of the User Program Action Using the procedures in Chapter 1 check the components listed above Also check the value entered into the Signal Strength Error Limits option as described on page 2 19 Error Codes and Diagnostics 6 1 July 2006 E2 Sound Speed Error E3 Velocity Range E4 Signal Quality E5 Amplitude Error Problem Cause Action Problem Cause Action Problem Cause Action Problem Cause Action The sound speed exceeds the limits programmed in the Error Limits option of the User Program The error may be caused by incorrect programming poor flow conditions or poor transducer orientation Compare the measured sound speed to tabulated nominal values for the process fluid and correct any programming errors Refer to the sections on Fluid and Pipe Problems page 6 6 and on Transducer Problems page 6 8 to correct any problems The velocity exceeds the limits programmed in the Error Limits option of the User Program This error may be caused by the entry of improper programming data or by poor flow conditions and or excessive turbulence Make sure the actual flow rate is within the programmed limits Also check the value entered into the Error Limits option as described on page 2 18 Refer to the sections on Fluid and Pipe Problems page 6 6 and on Transducer Problems page 6 8 to correct any problems The signal qu
65. eration e EN60529 1991 A1 2000 IP66 e IEC 60079 0 2000 IEC 60079 11 1999 as specified in IECEx BAS 050088X suivant les r gles de la Directive de Compatibilit Electromagn tique 89 336 EEC et d ATEX 94 9 EC Les mat riels list s ci dessus ainsi que les transducteurs pouvant tre livr s avec les manchettes faisant l objet d une d claration de conformit s par e ne portent pas le marquage CE de la directive des quipements sous pression car ils sont fournis en accord avec la directive 97 23 EC des quipements sous pression pour les DN lt 25 Article 3 section 3 qui concerne les pratiques et les codes de bonne fabrication pour l ing nierie du son fi s 4 F n 30 juin 2006 A Date d mission Mr Gary Kozinski Certification et normes ing nieur de fil nsal LS ENISO9002 T V ESSEN Shannon ISO 9001 U S CERT DOC H4 August 2004 KONFORMIT TS Sensing ERKLARUNG Wir GE Sensing 1100 Technology Park Drive Billerica MA 01821 USA erkl ren in alleiniger Verantwortung daf die Produkte DigitalFlow ISX878 Liquid Flow Ultrasonic Transmitter folgende Normen erf llen e EN50014 1997 A1 A2 1999 EN50020 2002 EN60079 26 as specified in Baseefa05ATEX0268X Baseefa Buxton Derbyshire UK e EN61326 1998 Class A Annex A Continuous Unmonitored Operation e EN60529 1991 A1 2000 IP66 e IEC 60079 0 2000 IEC 60079 11 1999 as specified in IECEx BAS 050088X gem den Eur
66. erse method However you must use an EVEN number of traverses The distance the signal travels from one side of the pipe wall to the opposite side of the pipe wall is considered one traverse For more than two traverses consult the factory There are three advantages in using the double traverse method Accuracy is improved because the signal is in the fluid longer than with a single traverse This configuration can reduce some effects of an underdeveloped flow profile Ifthere is enough pipe length available the double traverse fixture is easier to install The procedure for mounting the CF ES involves marking the pipe for the desired spacing fastening the clamping fixture on the pipe and then mounting the transducers into the fixture Procedure You will need a level and a marker or scribe to locate and mark the transducer locations on the pipe 1 Obtain the transducer spacing dimension S 2 Be sure the location you have chosen for the installation has at least 10 pipe diameters of straight undisturbed flow upstream and 5 pipe diameters downstream of the measurement point 3 Prepare the pipe where you intend to place the clamping fixture by making sure it is clean and free of loose material Sanding though usually not required may be necessary to take off any high spots Be careful to preserve the original curvature of the pipe 4 Find the top of the pipe and use a level to draw a line parallel to the pipe
67. ever such changes must occur slowly Rapid fluctuations in the fluid sound speed to a value that is considerably different from that programmed into the ISX878 will result in erratic or inaccurate flow rate readings Refer to Chapter 2 Programming Site Data to make sure that the appropriate sound speed is programmed into the meter Error Codes and Diagnostics July 2006 Pipe Problems Pipe related problems may result either from a failure to observe the installation instructions as described in Chapter 1 Installation or from improper programming of the meter By far the most common pipe problems are the following 1 The collection of material at the transducer location s Accumulated debris at the transducer location s will interfere with transmission of the ultrasound signals As a result accurate flow rate measurements are not possible Realignment of the measurement point or transducers often cures such problems Refer to Chapter 1 Installation for more details on proper installation practices 2 Inaccurate pipe measurements The accuracy of the flow rate measurements is no better than the accuracy of the programmed pipe dimensions Measure the pipe wall thickness and diameter with the same accuracy desired in the flow rate readings Also check the pipe for dents eccentricity weld deformity straightness and other factors that may cause inaccurate readings Refer to Chapter 2 Programming Site Data for instruct
68. f the table as needed Table D 1 Service Record Service Record D 1 July 2006 Table D 1 Service Record cont D 2 Service Record July 2006 Diagnostic Parameters Channel 1 After a successful initial installation of the Model UTX868 and whenever any system malfunction is noticed the values for the diagnostic parameters should be entered in Table D 2 below Table D 2 Diagnostic Parameters Channel 2 Delta T ns Delta T ns Amp Up Amp Up Amp Dn Amp Dn T Up us T Up us T Dn us Gain Up dB T Dn us Gain Up dB Gain Dn dB Gain Dn dB Signal Up Signal Up Signal Dn Signal Dn Thresh Up Thresh Up Thresh Dn Norm Factor Thresh Dn Norm Factor P Up P Up P Dn P Dn Quality Up Quality Up Quality Down Quality Down Reynolds Reynolds k Re k Re Cycle Time ms Cycle Time ms Service Record D 3 July 2006 Index Symbols D HETO eto da t di a aka 65 Data Bits vox avis aca wea Was pa 4 5 Data Record uwa 0 0 0 0 ngon ira C 1 Numerics Delta ii tato adi 6 5 D 3 Delta T Offset 2 16 4 20 Loop A A A A 42 Diagnostic Parameters Displaying 6 4 4 20 mA Trimming 5 5 Diagnostics Service Record D 1 A Table of Values
69. g ISX878 software over the RS232 interface Before performing calibration of the ISX878 be sure the following equipment is available 0 30 VDC 100 mA variable power supply Current meter capable of precisely measuring 4 to 20 mA current levels PC with RS232 Cable and Hyperterminal software available on Windows operating systems While following the programming instructions refer to Figure A 3 on page A 3 of Appendix A Menu Maps 1 To set up the RS232 connect one end of a 9 pin RS232 cable to the COM 1 serial port on a PC and the other end to terminal block TB4 on the ISX878 as described in Chapter 1 Installation IWARNING Use RS232 connections only in the safe area Note The RS232 cable connection is not limited to the COM 1 serial port of your PC You can connect the RS232 cable to any available RS232 serial port on the PC and follow the same instructions as for the COM 1 port 2 On your PC set up the Hyperterminal program Note The use of Hyperterminal is shown here as an example If you are using a different communications software see its manual for detailed instructions a From the PC Start Menu click Programs Accessories Communications Hyperterminal to open the Hyperterminal window b If the call is not connected click on New Connection and enter aname Click OK c In the Connect To window select COM 1 as the desired port Calibration 5 1 July 2006 Updating ISX878 d I
70. ging Global CONFIG Metric Node ID 4 20 Units Baud Rate 4 20 Base Parity 4 20 Span Stop Bits Error Level Channel 1 Data Bits Channelx Display Channel 2 if applicable Vol Units Vol Units Totalizer Units K Factor Table Totalizer Units Channelx KFACTOR Table K Factor Table Channel 1 Channel 2 if applicable K Factor Row Velocity K Factor K Factor Row Velocity K Factor 1 1 2 2 3 3 4 4 5 5 C 2 Data Records July 2006 Table C 1 Site Data cont Channelx KFACTOR Table cont Channelx Reynolds Number Table Channel 1 Channel 2 if applicable Reynolds Row Units K Factor Row Units kRe 1 1 Data Records C 3 o coo WU DAWN QUI WS N Appendix D Service Record Introduction Data Entry Diagnostic Parameters July 2006 Introduction Whenever any service procedure is performed on the Model ISX878 flow transmitter the details of the service should be recorded in this appendix An accurate service history of the meter can prove very helpful in troubleshooting any future problems Data Entry Record complete and detailed service data for the Model ISX878 in Table D 1 below Make additional copies o
71. gnal limit 7 The next prompt calls for the Minimum Velocity limit Press ENT Use the arrow keys to change the value and press ENT 8 Repeat the steps above to change the Maximum Velocity limit The E3 VELOCITY RANGE error message appears if the velocity falls outside the minimum and maximum limits 9 The meter now asks for the Min Amplitude the lower limit for the amplitude discriminator The discriminator measures the size of the transducer signal sent from the ISX878 If the signal falls outside these limits the E5 AMPLITUDE error message appears Press ENT Use the arrow keys to change the value and press ENT 10 Repeat these steps for the Max Amplitude the upper limit for the discriminator 11 The next prompt asks for the acceptable limits for the sound speed based on conditions in your particular system The E2 SOUND SPEED error message appears if the fluid sound speed exceeds that entered in the Fluid submenu by more than this percentage Press ENT Use the arrow keys to change the percentage and press ENT Programming Site Data 2 19 July 2006 Entering Error Limits 12 The final prompt asks for the acceleration limit for detecting cycle cont skipping The E6 ACCELERATION error message appears if the velocity changes by more than this limit from one reading to the next Press ENT Use the arrow keys to change the value and press ENT What s Next You have finished entering data in t
72. he alarm card to the alarm card terminal block as shown in Figure 1 31 on page 1 33 Tie the shield drain wire to the ground bus bar inside the ISX878 to the closest grounding screw but leave the shield wire open on the other power supply end to avoid AC ground loops and for CE certification Leaving a small amount of slack secure the totalizer alarm switch output option card line with the cable clamp Connect the two totalizer alarm switch output option cards leads to the safety barrier Barriers must be installed in accordance with the barrier manufacturer s specifications Installation 1 25 July 2006 Wiring the RS232 Serial IWARNING Port Use RS232 connections only in the safe area The Model ISX878 flow transmitter is equipped with a built in RS232 serial communications port Proceed to the section below for wiring instructions For more information on serial communications refer to the EJA RS Serial Communications manual 916 054 Use the serial port to connect the Model ISX878 flow transmitter to an ANSI terminal or a personal computer The RS232 interface is wired as Data Terminal Equipment DTE and the signals available at the COMMUNICATION terminal block are shown in Table 1 1 below 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Use the information in Table 1 2 below to construct a suitable shielded cable for connecting the Model ISX878 to the exter
73. he PROG menu Do one of the following To program in other menus refer to Appendix A Menu Maps to navigate to the desired menu To return to the display screen press ESC until the display screen reappears To configure the display proceed to the next chapter 2 20 Programming Site Data Chapter 3 Displaying Data Introduction ans re ian A 3 1 Setting Bp the Displqy 3 1 Setting Screen Contrast 3 5 Setting the Number of Screen Views 3 5 July 2006 Introduction Setting Up the Display The Model ISX878 flow transmitter includes a Liquid Crystal Display LCD that can display up to two variables simultaneously Users can change the number of variables the displayed measurements and units and the contrast level of the LCD You can configure either of two channels for your particular requirements When you first power up the installed ISX878 the display screen appears similar to Figure 3 1 below Ch 1 Velocity 0 0 Meters sec Figure 3 1 A Typical Display Screen To change the display screen press either the 4 or P keys The screen will highlight one of the parameters as shown in Figure 3 2 below Velocity B 0 0 Meters sec Figure 3 2 Display Screen with Highlighted Parameter If you press the P key the ISX878 highlights the channel parameter in the
74. he measurement To access an explanation of the error use the 4 or P key to highlight the error code and press ENT The screen appears similar to Figure 3 3 below E1 LOW SIGNAL Indicates poor ultrasonic signal strength Check transducer cable programming and transducer spacing Figure 3 3 A Typical Error Message Explanation Press ESC to return to the display screen For an explanation of all error codes refer to Chapter 6 Error Codes and Diagnostics 3 4 Displaying Data July 2006 Setting Screen Contrast Setting the Number of Screen Views For viewer convenience you can reset the contrast level of the display screen To change the contrast 1 Press ESC The ISX878 enters the User Program 2 Press the P key until DISP is bracketed in the upper left corner 3 The menu highlights the Contrast option Press ENT 4 Use the A and W keys to enter the desired contrast level from 0 to 100 The default value is 30 As you scroll the screen visibly changes contrast When you have reached the desired contrast level press ENT Note The display is visible over the entire ISX878 temperature range without contrast adjustment 5 Press ESC to return to the User Program or continue pressing ESC to return to the display screen You can also choose to display either one or two measurement parameters on the same or different channels To select the number of Views Press ESC
75. ical Requirements 6 6 Electrical Connections Problems 2r IDEAE en 6 6 CE Mark Compliance B 1 Soundspeed 6 6 Electrical Connections Making 1 4 Fluid Problems 6 6 Electrical Connections Preparing 1 4 Fluid Soundspeed 2 13 Electrical Specifications 7 2 Fluid Temperature 2 12 Electronics Enclosure Mounting 1 4 Fluid Type Entering 2 12 Enclosure Location 1 2 Fluid Types Measured 7 1 Environmental Specifications 4 1 Force Valle cis a ae 4 3 Error Code Forward and Reverse Totals Resetting 4 6 EOS a dea a 6 1 Frequency ovnis sais dea gaa usaq 2 7 BT sec e ie Lera 631 FullLock 2 2 A P 6 2 lr 6 2 G Ela ae ae ne 6 3 O RR 6 3 GainDn 0 eee 6 5 D 3 BA Ap arn ed 6 2 GanUp SN ia 6 5 D 3 ES lie eee 6 2 General Clamping Fixture I IET 6 3 Single Traverse Method m Elgar ale aide 6 3 Error Handing H Tota liz caco gianni ita ian 4 6 Hardware Specifications 7 1 Error Handling Entering 4 3 HyperTer 4 5 Error Level Option 4 3 Hyperterminal 5 1 Error Limits Entering 2 19 Error Message Interpreting 3 4 I Errors Allowed
76. ions on programming the pipe data 3 The inside of the pipe must be relatively clean Excessive build up of scale rust or debris will interfere with flow measurement Generally a thin coating or a solid well adhered build up on the pipe wall will not cause problems Loose scale and thick coatings such as tar or oil will interfere with ultrasound transmission and may result in incorrect or unreliable measurements Error Codes and Diagnostics 6 7 July 2006 Maintaining the ISXDR Transducers Transducers couplant the clamping fixture and dampening material are provided by GE Sensing Once you have completed installation little maintenance is required Refer to Table 6 2 below for maintenance information Table 6 2 Maintenance Checks Component Interval Maintenance Check Comments Transducer N A No additional adjustments or maintenance needed If you suspect something is wrong with a transducer or need to replace a transducer simply loosen the pressure bolt that secures the transducer in place and remove it If necessary loosen the locking nut with a wrench Refer to Installing the Transducers to insert a new transducers No cleaning required Couplant Verify every 6 months in dry areas e g the desert Verify every 12 months in other areas Measure the signal strength using diagnostics and compare to the value taken at the time of installation No cleaning required
77. l sec Gal min Gal hr MGal day Bar sec ar min ar hr Bar day Bar day CuM sec min Communication Reset Totals Totalizer Errors 1A 1B 2A 2B CH2 AVG 2PATH No Reset Both Node ID 232 Note For use in safe area only Totalize on Error Status Baud Rate I Stop Bits Protocol PanaCom Hypert Option Cards see Figure A 4 Figure A 2 The ISX878 CONFIG Menu Menu Maps A 2 July 2006 Continued from Figure A 2 Press ESC ENT ESC passcode if locked Contrast Contrast USER Set Securi
78. ld and Percent of Peak For each parameter press ENT Use the arrow keys to enter the new value and press ENT 9 The next parameter is the Transmit Sample Size the number of pulses each transducer upstream and downstream emits It is set to 8 by default Press ENT and use the A and W keys to scroll to the new number from 1 to 32 Press ENT to confirm the entry 10 The final prompt asks for Velocity Averaging in which users select a certain number of velocity measurements to average together to smooth out noise in the signal Press ENT and use the A and V keys to scroll to the desired number Selections include none 2 5 10 30 60 and Statistics The Statistics option increases averaging under steady flow conditions but allows for a rapid response to step changes in flow rate Press ENT to confirm your entry You have completed entering parameters in the Signal option Press ESC until you return to the PROG menu or continue pressing ESC until the display screen reappears Programming Site Data 2 17 July 2006 Entering the Meter Correction K Factor With the K Factor submenu you can calibrate or adjust the ISX878 readings to another flow reference While following the programming instructions refer to Figure A 1 on page A 1 of Appendix A Menu Maps To enter K Factor data Note If you are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twic
79. llation Note Installation on the sides at 3 and 9 o clock of the pipe is ideal The top of the pipe might contain bubbles while the bottom might contain sediment 1 10 Installation July 2006 Installing the Transducers on the Pipe Figure 1 8 A Typical Transducer Installation Once on the pipe an internal spring mechanism ensures proper mechanical pressure by pressing the transducer face against the pipe surface Refer to the next page to wire the transducer cables to the ISX878 Large Pipe Fixture and The CF ES clamping fixture acts as a permanent transducer holder Transducer Installation The fixture has two blocks that are used for double and single traverse methods Steel straps secure the blocks to the pipe for a permanent installation The blocks are positioned properly using the spacing dimension calculated by the flowmeter Then the transducers are mounted into the blocks Figure 1 9 below shows a long block The transducer installation consists of mounting the CF ES to the pipe and then mounting the transducers into the blocks Refer to the appropriate section that follows for instructions Double traverse Method see the next page Single traverse Method see page 1 16 End View Side View Figure 1 9 CF ES Clamping Fixture Block Installation 1 11 July 2006 The Double Traverse Note The instructions in this section can also be used for a Method CF ES multiple trav
80. n the center is the measurement parameter velocity volumetric forward or reverse total soundspeed and diagnostic parameters To change the measurement parameter 1 Use the 4 or gt key to highlight the measurement parameter and press ENT 2 The screen displays a list of parameters e Velocity Volumetric Fwd Total Rev Total Soundspeed Diagnostic 3 2 Displaying Data July 2006 Changing the Measurement Parameter cont Adjusting the Numeric Display Format Scroll to the desired parameter and press ENT The display screen reappears with the new measurement Note 70 select a particular diagnostic parameter or unit select Diagnostic and proceed to Changing the Measurement Units on the next page When you highlight the numeric display you can control both its positioning and the number of decimal places displayed to the right of the decimal point 1 Use the 4 or gt key to highlight the numeric display and press ENT 2 The Format window opens with four options Width the width of the numeric display Decimal the number of decimal places Min and Max the respective minimum and maximum values displayed Use the A or V key to scroll to the desired option and press ENT 3 The menu now varies with your choice in Step 2 Ifyou select Width The program offers a choice of widths from 0 least wide to 8 widest Use the A and W keys to enter the desi
81. nal device If desired an appropriate cable may be purchased from GE Sensing Note The DTR and RTS signals power the ISX878 communication circuit and are required for proper operation Consult the factory if you have additional questions Note Signal names that imply direction e g transmit and receive are named from the point of view of the DTE device the GE Sensing meter is usually considered the DTE device When the RS232 standard is strictly followed these signals are labeled with the same name and pin on the DCE device side as well Unfortunately the convention is not followed because the DTE and DCE side get confused Therefore connections that imply direction are changed to reflect their direction on the DCE side Table 1 2 RS232 Connection to DCE or DTE Device Communication Colors for GE TB4 Cable 704 845 Signal Description White DTR 4 Yellow RTS Black ISX878 Transmit Red ISX878 Receive 7 4 Green Signal Ground 5 7 3 3 2 2 7 5 2 3 1 26 Installation July 2006 Wiring the RS232 Serial Port cont Service Requirements What s Next 3 Feed the flying leads end of the cable through the conduit hole and wire the leads to the COMMUNICATION terminal block TB4 as shown in Figure 1 31 on page 1 33 Connect the other end of the cable to the ANSI terminal or personal computer and secure the cable clamp 4 Tie the shield drain wire to the ISX878 groun
82. nd programmed in accordance with the guidelines established by GE Sensing s engineers Those guidelines explained in detail in this chapter include the following topics Unpacking the Model ISX878 system Selecting suitable sites for the electronics enclosure and the transducers Installing the transducers Installing the electronics enclosure Wiring the electronics enclosure IWARNING Be sure to follow all applicable local safety codes and regulations for installing electrical equipment Consult company safety personnel or local safety authorities to verify the safety of any procedure or practice IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance The ISXDR ultrasonic flow transducers are used exclusively with the ISX878 ultrasonic flowmeter These transducers measure the flow rate of sonically conductive liquids through pipes having diameters between 1 2 in 1 27 cm and 16 in 40 64 cm Such measurements are typically independent of the pipe material The transducers operate in process temperatures from 40 to 194 F 40 to 90 C Each transducer assembly consists of the following components see Figure 1 1 on the next page astainless steel adapter with 3 4 NPT male thread for attaching a junction box atransducer that consists of a piezoelectric element mounted on a wedge and wired to the connector acon
83. nector for use in connecting the transducer to the flowmeter This temperature is for ATEX certified designs Consult factory for higher temperatures Installation 1 1 July 2006 ISXDR Transducers cont Unpacking Site Considerations Electronics Enclosure Location Transducer Location Connector Transducer Body N ada Pa Figure 1 1 ISXDR Transducer Components Carefully remove the electronics enclosure and the transducer cable assembly from the shipping containers Before discarding any of the packing materials account for all components and documentation listed on the packing slip The discarding of an important item along with the packing materials is all too common If anything is missing or damaged contact the factory immediately for assistance Because the relative location of the transducers and the electronics enclosure is important use the guidelines in this section to plan the ISX878 installation The standard ISX878 electronics enclosure is epoxy coated aluminum rated for weatherproof NEMA Type 4X IP67 applications Typically the enclosure is mounted as close as possible to the transducers When choosing a site make sure the location permits easy access to the electronics enclosure for programming maintenance and service Caution The Model ISX878 s accuracy and performance depends primarily on the location spacing and alignment of the transducers The transducer spaci
84. ng is unique to your installation In addition to accessibility when planning for transducer location adhere to the following procedure 1 Locate the transducer measurement point at least 3 ft 1 m or more from any butt welds or flanges ideally in the center of a 20 ft 6 m length of straight run of pipe Keep appropriate clearance on either side of the pipe for easy transducer installation 6 in 15 cm if you are not using a junction box or 9 in 22 5 cm if you are using a junction box 1 2 Installation July 2006 Transducer Location Note To guarantee the specified accuracy of the flowmeter there is cont no substitute for a straight run pipe and fully developed flow profile However if straight run is not available the transducer location should be in a position such that the acoustic signal travels through the full distribution of the under developed flow profile for best repeatability 2 Place the transducers as close as possible to the horizontal plane see Figure 1 2 below Locate the transducers on opposite sides of the pipe 180 apart ideally at the 3 and 9 o clock positions Do not place transducers on the top or bottom of the pipe Note For best profile identification in limited straight run place transducers at 1 and 7 o clock Transducer Signal Path End View Figure 1 2 Transducer Placement Cable Lengths Locate the electronics enclosure as close as possible to the t
85. nnel path s and enter transducer pipe and fluid parameters As a programming aid Appendix A includes a complete set of menu maps for the user program and Figure A 1 on page A 1 offers the menu map for the PROG menu Note This manual will describe only the programming of Channel 1 To program Channel 2 of a 2 channel path meter simply repeat the same procedures presented for Channel 1 Programming Site Data 2 1 July 2006 Unlocking and Locking the ISX878 Unlocking the ISX878 To prevent unauthorized tampering with either the display or the user program the ISX878 offers a pair of security codes Once you have set the security level an operator requires one of these codes to change either the display Prog Lock or the display and the user program Full Lock Note To speed up the key response of the ISX878 deactivate CHI and CH2 as described on page 2 4 Remember to reactivate the channels when programming is complete To unlock the display and or the user program 1 Press ESC ENT ESC A Security Check window similar to Figure 2 2 below opens Security Check ENTER VALUE 9999 ENT save changes ESC undo changes lt gt move cursor A Y change value Figure 2 2 Security Check Window 2 Using the arrow keys change the code number to the value desired for your security level For Prog Lock granting access only to the display the number is 2719 For Full Lock
86. nstrument Software cont In the Properties window set the following parameters Bits per second 19200 Data bits 8 Parity None Stop Bits 1 Flow control None 3 From the ISX878 FACTORY menu scroll to the Upgrade option and press ENT twice When the ISX878 prompts you to confirm select Yes and press ENT or With the ISX878 powered off press and hold the left arrow key on the keypad Turn the power on and release the key after about two seconds The UTX screen should appear as follows The Hyperterminal window on your PC should appear as follows GE Panametrics Loader vX X XX XX XX Load requested by Software Load Flash via RS232 Y N Press Y on the PC keyboard to load the software or press N to abort the process 4 If you press Y the following screen appears on the PC GE Panametrics Loader vX X XX XX XX Load requested by Software Load Flash via RS232 Y N Ready to receive update via XMODEM CRC Start upload now or CTRL X to cancel C Calibration July 2006 Updating ISX878 In Hyperterminal select Transfer and then Send File The Instrument Software protocol should be Xmodem Use Browse to locate the file which cont will have a cod extension Double click on this file and click the Send button The screens on the ISX878 and on Hyperterminal should both display the status of the transfer The Hyperterminal screen should appear as follows
87. nt do not slide the transducer with couplant along the surface of the pipe when mounting Figure 1 24 Applying Couplant to Transducer Installation July 2006 Mounting Transducers 4 Place the transducers in the appropriate blocks Make sure the into the CF ES cont transducers are oriented as shown in Figure 1 25 below Note Ifthe transducer cables are already connected you must determine the upstream and downstream directions of the pipe and place the transducers into the appropriate blocks Locking Nut Top View Figure 1 25 Transducer Orientation 5 Use the pressure bolt to secure the transducer in place The pressure bolt should fit into the dimple Hand tighten enough to hold the transducer in place Do not overtighten so that the fixture lifts off the pipe 6 Tighten the locking nut on the pressure bolt see above IMPORTANT When using the CF ES in a pipe location with possible mechanical vibration the locking nut must be used to secure the position of the pressure bolt on the transducer after the bolt has been hand tightened into the transducer dimple For additional resistance to vibration a thread lock compound or a stainless steel washer and lock washer may also be used These items c
88. ogramming Site Data 2 11 July 2006 Entering Fluid Data The Fluid submenu allows you to specify the fluid you are measuring as well as the Reynolds Correction factor and tracking windows While following the programming instructions refer to Figure A 1 on page A 1 of Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Note If you are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection To access the Fluid submenu 1 2 Entering Fluid Type 5 Press ESC The ISX878 enters the User Program Press the P gt key until PROG is bracketed in the top left corner and press ENT Use the A and V keys to scroll to the desired Channel and press ENT Scroll to the Fluid submenu and press ENT Two options appear Fluid Type and Reynolds Scroll to Fluid Type and press ENT Two other options appear Normal and Tracking Tracking refers to Tracking Windows which are used to detect the receive signal when you are unsure of the fluid sound speed or when the fluid sound speed changes drastically under process conditions Scroll to the desired option and press ENT You can now select between Preprogrammed and Other fluids Scroll to the desired option and press ENT For Normal fluids you can program the expected fluid Temperature
89. on to return to the channel menu 2 4 Programming Site Data July 2006 What s Next After completing the above steps the user program returns to the PROG menu Do one of the following To enter transducer data press the V key to highlight the Transducer listing and press ENT To program in other menus refer to Appendix A Menu Maps to navigate to the desired menu To leave the User Program press ESC three times Programming Site Data 2 5 July 2006 Entering Transducer The Transducer submenu enables you to enter parameters for Parameters preprogrammed or special clamp on transducers Remember to record all programmed data in Appendix C Data Records Note fyou have programmed the Status submenu proceed directly to Step 4 Ifyou scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection To access the Transducer submenu 1 Press ESC The ISX878 enters the User Program 2 Press the P key until PROG is bracketed in the top left corner and press ENT 3 Use the A and V keys to scroll to the desired Channel and press ENT 4 Scroll to the Transducer submenu and press ENT 5 Scroll to Clamp on and press ENT 6 Scroll to either Preprogrammed for the standard transducers or Other for special transducers and press ENT 7 The program also asks for the Wedge Temperature Scroll to the Wedge
90. op ischen Richtlinien EMV Richtlinie Nr 89 336 EG und ATEX Richtlinie Nr 94 9 EG Die oben aufgef hrten Ger te und zugeh rige mitgelieferte Schallwandler Messrohre werden in einer separaten Konformit tserkl rung behandelt tragen keine CE Kennzeichnung gem der Druckger te Richtlinie da sie in bereinstimmung mit Artikel 3 Absatz 3 gute Ingenieurpraxis der Druckger te Richtlinie 97 23 EG f r DN lt 25 geliefert werden fi s 4 PA 30 Juni 2006 ZA AuBtellungsdatum Hr Gary Kozinski Bescheinigung und Normen Leitungsingenieur nsal LS ENISO9002 T V ESSEN Shannon ISO 9001 U S CERT DOC H4 August 2004 GE Sensing ATEX COMPLIANCE We GE Sensing 1100 Technology Park Drive Billerica MA 01821 4111 U S A as the manufacturer declare under our sole responsibility that the product DigitalFlow ISX878 Liquid Flow Ultrasonic Transmitter to which this document relates in accordance with the provisions of ATEX Directive 94 9 EC Annex Il meets the following specifications C ex Il 1 G EEx ia IIC T4 20 C to 60 C 1180 Baseefa05ATEX0268X Furthermore the following additional requirements and specifications apply to the product e Having been designed in accordance with EN 50014 EN 50020 and EN 60079 26 the product meets the fault tolerance requirements of electrical apparatus for category ia e The product is an electrical apparatus and must be installed in the hazardous
91. orrection is a correction factor based on the Kinematic Viscosity and flow rate of the fluid It is necessary as the velocity of the fluid measured along a diametrical path must be related to the total area average velocity over the entire pipe cross section This factor should be ON in most applications including all those that use clamp on transducers To access Reynolds Correction data 1 From the Fluid Type window described in step 5 on the previous page scroll to Reynolds and press ENT 2 The screen shows three options Off Single and Table Scroll to the desired option and press ENT Programming Site Data July 2006 Entering Reynolds 3 Correction Data cont The menu varies depending on your selection in Step 2 If you select Off no further choices are available If you select Single the ISX878 will select and automatically display the Kinematic Viscosity To change the value press ENT Use the arrow keys to change the value available in document 914 004 Sound Speeds and Pipe Size Data and press ENT If you select Table the screen displays three options Units Rows Used and Edit Table a If you scroll to Units and press ENT the screen displays three more options Velocity Soundspeed and Diagnostic If you select either Velocity or Soundspeed and press ENT the screen displays the measurement units either metric or English Press ESC or ENT to return to the previous screen
92. otalize AVE See Table 4 2 based on that 2 Path good reading SUM Adds two chan nels paths using the last good reading Subtracts two channels paths using the last good reading Adds two chan nels paths using the last good reading Note Forward and reverse totalizers persist on a 3 minute interval If the ISX878 loses power you might lose data Press ESC until you return to the CONFIG menu or continue pressing ESC until the display screen reappears 4 4 Configuring Meter Data July 2006 Entering RS232 Communication Settings IWARNING Use RS232 connections only in the safe area With the Communication submenu you can set the parameters by which the ISX878 communicates to a PC or terminal over the RS232 interface You can set the Node ID as well as the baud rate parity stop bits and data bits To access the Communication submenu 1 Press ESC The ISX878 enters the User Program 2 Press the P key until CONFIG is bracketed and press ENT 3 Press the W key until Communication is highlighted Then press ENT 4 The next window offers a selection between Node ID and RS232 Use the A and V keys to scroll to the desired option and press ENT If you select Node ID The meter asks for a specific ID number Use the arrow keys to enter the desired number from 1 to over 255 and press ENT If you select RS232 a list of six options ap
93. ou must program the Status Transducer Pipe Fluid and Path options of the Program menu pages 2 4 to 2 14 to calculate the appropriate setting To set the desired transducer spacing 1 Loosen the red screws on the adjustable transducer shown in Figure 1 5 above 2 Slide the adjustable transducer on the rails until you have positioned it at the desired spacing Use the ruler on the rails and the white tick mark on the transducer housing to assist in setting the correct spacing 3 Tighten the red screws to secure the transducer to the rails Installation 1 9 July 2006 Setting Transducer Note fyour application requires one or three traverses you can Spacing cont remove the adjustable transducer from the rails and use it as a separate transducer at a 180 angle from the stationary transducer as shown in Figure 1 6 below Figure 1 6 Positioning for 1 or 3 Traverse Applications Installing the Transducers Note Some pipe preparation may be required before securing the on the Pipe transducers to the pipe Remove any paint or coating from the surface in contact with the transducers A flat smooth surface is ideal 1 Apply the supplied couplant to the transducer faces as shown in Figure 1 7 below Figure 1 7 The Transducer Faces 2 Put the transducer fixture at the desired location on the pipe Secure it with the supplied stainless steel clamps Figure 1 8 on the next page illustrates a typical insta
94. pacing Crossmark Side View Figure 1 19 Measuring the Second Quarter Circumference Installation 1 17 July 2006 The Single Traverse 8 Center one of the blocks over one of the crossmarks on the pipe Method CF ES cont Align the block so that the pressure bolt is over the center of the crossmark Secure the block by wrapping two straps around the block and pipe and tightening them Make sure the turnbuckles are at least 1 2 pipe diameter away from the block as shown in Figure 1 20 below Turnbuckles Top View Figure 1 20 Positioning Turnbuckles 9 Repeat Step 8 to install the other block over the other punch mark Note Make sure both straps are perpendicular to the bottom of the block Figure 1 21 below If the straps are slanted the slack will cause the block to slide The slack may also change the transducer spacing after the transducers are mounted Top View Figure 1 21 Correct Strap Positioning 1 18 Installation July 2006 The Single Traverse Figure 1 22 below shows a single traverse installation without Method CF ES cont transducers Proceed to Mounting Transducers into the CF ES on the next page
95. pears Scroll to the desired option and press ENT The first option asks for the RS232 Status Scroll to the desired selection ON or OFF and press ENT If you are not using RS232 selecting OFF increases response time at lower power settings The next option asks for the Baud Rate The available choices extend from 300 to 115 200 baud Scroll to the desired selection and press ENT The next option is Parity Scroll to the desired selection none even or odd and press ENT The next prompt asks you to select one or two Stop Bits Scroll to the desired selection and press ENT The next option asks you to select either seven or eight Data Bits Scroll to the desired selection and press ENT The final option asks for the interface type Scroll to HyperTer for Hyperterminal and press ENT Press ESC twice to return to the CONFIG menu or continue pressing ESC until the display screen reappears Configuring Meter Data 4 5 July 2006 Resetting Forward and Reverse Totals Handling Totalizer Errors On occasion you may need to clear and reset the forward and reverse totals computed by the Forward and Reverse Totalizers To reset the totals 1 Press ESC The ISX878 enters the User Program 2 Press the P gt key until CONFIG is bracketed and press ENT 3 Press the V key until Reset Totals is highlighted Then press ENT 4 The next window asks you to choose the
96. ransducers GE Sensing can supply ISX878 transducer cables in fixed lengths up to 100 ft 30 m in length for remote location of the electronics enclosure Transducer Cables When installing the transducer cables always observe established standard practices for the installation of electrical cables Do not route transducer cables alongside high amperage AC power lines or any other cables that could cause electrical interference Also protect the transducer cables and connections from the weather and corrosive atmospheres Do not run the transducer cables along a pipe with a surface temperature over 75 C 167 F for models ISXDR 407 and ISXDR 408 IMPORTANT Use only the cables and transducers that have been supplied with the ISX878 Installation 1 3 July 2006 Mounting the ISX878 Electronics Enclosure Making the Electrical Connections Preparing the Unit Before Making Electrical Connections Intrinsic Safety The standard Model ISX878 electronics package is housed in a epoxy coated aluminum weatherproof NEMA4X IP67 enclosure suitable for indoor or outdoor use Figure 1 27 on page 1 29 shows the outline and installation drawing Refer to Chapter 7 Specifications for the mounting dimensions and the weight of this enclosure This section contains instructions for making all the necessary electrical connections to the Model ISX878 flow transmitter Refer to Figure 1 31 on page 1 33 for a complete wiring diagram IATTE
97. rective 89 336 EEC Table B 1 Wiring Modifications Termination Connection Cable Type Modification Transducer Shielded cable Terminate shield to case Power Shields twisted pair Terminate shield to case Wires enclosed in a properly grounded metal conduit do not require additional shielding Shielding Options Shielded cable Terminate shield to case Alarm Totalizer Note Make sure to connect the ISX878 case to the earth ground with a grounding cable using the external ground screws found on either side of the enclosure Terminate the cable shields to the closest screw on the bus bar inside the enclosure CE Mark Compliance B 1 Appendix C Data Records Site Data July 2006 Site Data After the Model ISX878 flow transmitter has been installed specific site data must be entered via the User Program prior to operation Record that information in Table C 1 below Table C 1 Site Data General Information Model Serial Software Vers Setup Date Channelx Status Channel 1 Channel 2 if applicable On li Channel Status Off On Channelx Pipe Parameters Channel 2 if applicable Trans Type Channel Status Off Channel 1 Clamp On Trans Type Clamp On Transducer Transducer Other Transducers Other Transducers Wedge Temp Wedge Temp Frequency Hz Tw us Wedge Angle Wedge Sndspd Pipe Material Frequency Hz Tw us Wedge Angle We
98. red width and press ENT Ifyou select Decimal The program offers a choice of decimal places from 0 no places to 4 Use the A and V keys to enter the desired number of places and press ENT f you select Min or Max The program displays the programmed minimum or maximum value 4 After making your selection press ESC twice to return to the display screen with the changed parameter Displaying Data 3 3 July 2006 Changing the Measurement Units Interpreting the Error Message In addition to changing the measurement parameter you can select for some parameters the particular units in which that parameter will be displayed For a list of output measurement units see Chapter 7 Specifications Note To choose between metric and English units refer to Chapter 4 Configuring Meter Data 1 Use the 4 or P key to highlight the measurement units and press ENT 2 The screen displays a list of measurement units or for Diagnostic a list of diagnostic parameters Scroll to the desired unit and press ENT The display screen reappears with the new measurement units 3 Press ESC The display screen returns with the changed measurement unit Note For the velocity and soundspeed parameters it is not possible to change the display unit The parameter in the lower right corner represented by E and a number El E2 etc is an error message that signals a particular problem with t
99. ror Codes and Diagnostics 6 9 Chapter 7 Specifications General Specifications 7 1 Electrical Specifications 7 2 Transducer Specifications 7 4 Pipe Size and Materials 7 4 July 2006 General Specifications Hardware Configuration Environmental Measurement Parameters Keypad Flow Accuracy of Reading Range Rangeability Repeatability Fluid Types The general specifications for the Model ISX878 flow transmitter are divided into the following categories Channel Options Standard 1 Channel Path Optional 2 Channel Path for 2 path averaging Enclosure Epoxy coated aluminum weatherproof Type 4X IP67 Dimensions Weight 3 9 lb 2 kg Size h x w x d 8 8 x 8 2 x 3 6 in 220 x 210 x 90 mm Ambient Operating Temperature 4 to 140 F 20 to 60 C Storage Temperature 40 to 158 F 20 to 70 C Volumetric flow totalized flow and flow velocity Six button external keypad Pipe Diameter ID gt 6 in 150 mm 1 to 2 of reading typical Pipe Diameter ID lt 6 in 150 mm 2 to 5 of reading typical Note Accuracy depends on pipe size and whether measurement is one path or two path Accuracy to 0 5 of reading may be achievable with process calibration 40 to 40 ft s 12 2 to 12 2 m s 400 1
100. rticular purpose and warranties arising from course of dealing or usage or trade If a GE Sensing Inc instrument malfunctions within the warranty period the following procedure must be completed 1 Notify GE giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE will issue a RETURN AUTHORIZATION number RA and shipping instructions for the return of the instrument to a service center will be provided 2 If GE instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken fthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned f GE determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned lii July 2006 AA Table of Contents Chapter 1 Installation A o ana Cha dae io ee 1 1 SADO UC a em icon a as fe aa ia alos eos de iu 1 1 UNPACKING ni e a eo o lo aisi 1
101. s 2 4 to 2 14 Be sure the location you have chosen for the installation has at least 10 pipe diameters of straight undisturbed flow upstream and 5 pipe diameters downstream of the measurement point Prepare the pipe where you intend to place the CF ES by making sure it is clean and free of loose material Sanding though usually not required may be necessary to take off any high spots Be careful to preserve the original curvature of the pipe and not to eradicate the marks on the pipe Find the top of the pipe and use a level to draw a line parallel to the pipe s axis as shown in Figure 1 16 below Top of Pipe Side View Figure 1 16 Drawing Line Parallel to Pipe Axis Installation July 2006 The Single Traverse 5 Make two marks shown in Figure 1 17 below on the line equal to Method CF ES cont the transducer spacing distance S as calculated by the meter Spacing Side View Figure 1 17 Marking Transducer Spacing 6 From one of the marks measure around the circumference of the pipe a distance equal to one quarter the pipe s circumference as shown in Figure 1 18 below Make a crossmark with a marker or scribe Spacing Crossmark Side View Figure 1 18 Measuring a Quarter of the Pipe s Circumference 7 From the other mark go in the opposite direction around the pipe for one quarter the circumference and make another crossmark as shown in Figure 1 19 below S
102. s i EAR E Ci AN RE E E Foo da e lei 7 2 Electrical Glassificatton GekH FIC O 7 2 Power Requirements s e sh Ie Vert e b WEE 7 2 MEMORY E MEC Dx EM 7 3 a A rl T i ire 7 3 Input Output Specifications ss Coro ees to Cote e Gers Ctt t Pe Lo aa 7 3 Transd cer SPECINCONOMS a Ai 7 4 Clamp on Trans dica es tarada ie Ri Bess 7 4 PipeSize ardiMteridls stes rae ae ti si 7 4 clamp onm TranSd cerS e a et t Ee mta ru E 7 4 vii July 2006 NN Table of Contents cont Appendix A Menu Maps Appendix B CE Mark Compliance ire Da AAA Re 8 1 MES CORDON CO Ze slice ie ai B 1 Appendix C Data Records SITE IE ee RETRO Gn RA AER Tis RER GE GH C 1 Appendix D Service Record Introduction A A lh galt li ole rg D 1 Data EntEty 24 cs dnb b de e eno E ode ns Ea D 1 Diagnostic PAra Meter oe nr eine D 3 vill Chapter 1 Installation Introduction u ur rain 1 1 ISXDR Transd cers 4 cox Cbr el 1 1 Unpacking oou sy ieri s cO Mert aou d eos 1 2 Site Considerations voe ood arr CODI a Qe i e y 1 2 Mounting the ISX878 Electronics Enclosure 1 4 Making the Electrical Connections 1 4 Intrinsic Safety uos ote paces ERU hU qoa ats Cute e aH cu T 1 4 Installing the Transducers 1 9 July 2006 Introduction ISXDR Transducers To ensure safe and reliable operation of the Model ISX878 Ultrasonic Flowmeter the system must be installed a
103. s the X velocity value and the K Factor If you wish to change either value scroll to the value and press ENT Use the arrow keys to change the value and press ENT e Repeat steps c and d until you have programmed all available data from 2 to 20 rows Press ESC until you return to the PROG menu or continue pressing ESC until the display screen reappears 2 18 Programming Site Data July 2006 Entering Error Limits The Error Limits option enables you to set limits for an incoming signal When the signal falls outside the programmed limits an error indication appears on the display screen To set error limits follow the steps below Note If you are in the PROG menu proceed directly to Step 4 If you scroll to a different option press ENT twice to select that option once to enter and again to confirm the selection 1 Press ESC The ISX878 enters the User Program 2 Press the P key until PROG is bracketed in the upper left corner and press ENT 3 Use the A and V keys to scroll to the desired Channel and press ENT 4 Scroll to the Error Limits option and press ENT 5 The first prompt asks for the Minimum Signal limit for the transducer signal received by the ISX878 The El LOW SIGNAL error message appears if the signal strength falls below the limit programmed here Press ENT Use the arrow keys to change the value and press ENT 6 Repeat the steps above for the Maximum Si
104. sducer 100 924 lt 100 or gt 924 Quality Up Displays the signal quality for the upstream transducer 2 1200 400 to 400 Quality Down Displays the signal quality for the down stream transducer 2 1200 400 to 400 Reynolds Displays the Reynolds number N A N A k Re Cycle Time ms K factor based on the Reynolds number Time for the reading cycle to complete N A N A N A N A KFactor Meter K calibration factor 0 5 2 0 lt 0 5 or gt 2 0 Errors Number of errors present O lt Programmed gt Programmed Error Error Limit Limit Error Codes and Diagnostics 6 5 July 2006 Fluid and Pipe Problems Fluid Problems If preliminary troubleshooting with the Error Code Messages and or the Diagnostic Parameters indicates a possible problem proceed with this section Measurement problems fall into two categories fluid problems pipe problems Read the following sections carefully to determine if the problem is indeed related to the fluid or the pipe If the instructions in this section fail to resolve the problem contact GE Sensing for assistance Most fluid related problems result from a failure to observe the flowmeter system installation instructions as described in Chapter 1 Installation Refer to Chapter 1 Installation to correct any installation problems If the physical installation of the system meets the recommended
105. ss ENTI Two other options now appear Preprogrammed and Other Scroll to the desired option and press ENT The menu now varies with your choice in Step 2 For preprogrammed materials a list of materials opens Table 2 1 on the next page covers the available preprogrammed materials on the list Press the V or A keys to scroll to the appropriate material Press ENT to confirm the choice For other materials the meter asks for the material Soundspeed Press ENT to open the window Then use the arrow keys to enter the known soundspeed and press ENT 2 8 Programming Site Data July 2006 Entering the Pipe Material cont Table 2 1 Preprogrammed Pipe Materials Pipe Material Category Specific Material A Aluminum Rolled or None Brass None Cu Copper Annealed Rolled or None CuNi Copper Nickel 70 Cu 30 Ni or 90 Cu 10 Ni Glass Pyrex Flint or Crown Gold Hard drawn Inconel None Iron Armco Ductile Cast Electrolytic Monel None Nickel None Plastic Nylon Polyethylene Polypropylene PVC CPVC or Acrylic Steel Carbon Steel Mild or Stainless Steel Tin Rolled Titanium None Tungsten Annealed Carbide Drawn Zinc Rolled 4 The next required parameter is either the outside diameter OD or the circumference OD x T Scroll to the measured parameter and press ENT For either measurement enter the desired value and press ENT
106. t be installed as described in Appendix B CE Mark Compliance 2 Connect the ISX878 case to the earth ground with a grounding cable 3 Strip 1 4 in of insulation from the end of each of the two option card leads 4 Route the shielded cable through the conduit hole and connect the totalizer card to the totalizer card terminal block as shown in Figure 1 31 on page 1 33 Tie the shield drain wire to the ground bus bar inside the ISX878 but leave the shield wire open on the power supply end to avoid AC ground loops and for CE certification 5 Leaving a small amount of slack secure the totalizer option card line with the cable clamp 6 Connect the two totalizer option cards leads to the safety barrier Barriers must be installed in accordance with the barrier manufacturer s specifications Installation July 2006 Wiring the Alarm Switch Option Refer to Figure 1 31 on page 1 33 to locate the alarm terminal block and connect the alarm option card as follows 1 Follow the instructions on page 1 4 to prepare the unit before you connect the card IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance Connect the ISX878 case to the earth ground with a grounding cable Strip 1 4 in of insulation from the end of each of the two option card leads Route the shielded cable through the conduit hole and connect t
107. t sec Meters sed on page 6 5 Cufthr CuFt sec CuFt min MCuFUday r min English Metric Gal sec Gal min Gal hr MGal day min Bar sec Bar min ar hr Bar day Cuft hr CuFt sec CuFt min MCuFt day Liter sec r min Mliter day MBar day Gal sec Gal min Gal hr MGal day CuM sec min MCuM day Bar sec ar min ar hr Bar day Bar day Figure A 4 Option Card Programming CONFIG Menu Menu Maps A 4 Appendix B CE Mark Compliance introductions ss isla iaa EMC Compliance July 2006 Introduction For CE Mark compliance the Model ISX878 flow transmitter must meet the EMC directive IMPORTANT CE Mark compliance is required only for units intended for use in EEC countries EMC Compliance In addition to the standard wiring requirements the electrical connections must be shielded and grounded as in Table B 1 below for EMC compliance After all the necessary electrical connections have been made seal any unused cable entry holes Note f the instructions in this appendix are followed the unit will comply with the EMC Di
108. tting is outside the programmed limits The calculated output value exceeds the programmed limits Verify that the 4 20 loop configuration base and span settings are correct for your process The channel is not available The channel has been turned off Enter the PROGRAM menu and enable the channel see page 2 4 The calibration is invalid Improper calibration for the application has been entered Consult GE Sensing Error Codes and Diagnostics 6 3 July 2006 Displaying Diagnostic The Model ISX878 offers built in Diagnostic Parameters to aid in the Parameters troubleshooting of transducer and or electrical problems To access these parameters do the following 1 From the display screen press ESC Note Ifthe display screen is locked you will need to enter ESC ENT ESC and the security code Refer to page 2 2 for details 2 Press the P key The screen will highlight the channel you wish to check Be sure the desired channel appears on the screen or change it as discussed in Chapter 3 3 Press the P key to scroll to the measurement entry in the upper right Press ENT Be sure Diagnostic is highlighted and press ENT 4 Press the P key twice to access the units parameter Press ENT Scroll to the desired Diagnostic unit as described in Table 6 1 on the next page and press ENT 5 If desired repeat steps 1 4 for the other channel 6 4 Error Codes and Diagnostics July
109. voltage in volts DC and Rc cable resistance 22 AWG cable has 0 04 ohm ft For example Given a 24 VDC power supply and a 1 000 ft cable 22 AWG 0 04 ohm ft Rc 1000 ft x 0 04 ohm ft 40 ohms Max load 50x 24 15 40 50 x 9 40 410 ohms Note The maximum load the ISX878 can drive is 500 ohms Power Consumption 700 mW depending on the loop voltage and current In a loop powered configuration Power Consumption Loop current x Input power supply voltage 7 2 Specifications July 2006 Memory Operating Mode Input Output Specifications FLASH memory field upgradable Correlation Transit Time Mode with clamp on transducers Digital Display 128 X 64 LCD configurable to display up to 2 measurement parameters Digital Communications Standard RS232 serial port for PC or terminal safe area only Analog Output 4 20 mA on power loop Cable and Length Transducer 10 ft 25 ft 50 ft 100 ft integral with transducer Power Shielded 2 wire twisted pair 24 gauge Environmental System complies with EMC Directive 89 336 EEC and wetted transducers comply with PED 97 23 EC for DN lt 25 Specifications 7 3 July 2006 Transducer Specifications Clamp on Transducers Pipe Size and Materials Clamp on Transducers Temperature Range Standard 40 to 194 F 40 to 90 C Cable Temperature Rating ISXDR 407 408 40 to 167 F 40 C to 75 C ISXDR 409 41
110. w 2 10 Programming Site Data July 2006 Entering Pipe Lining Data What s Next To access the Lining option 1 From the Pipe submenu scroll to the Lining option and press ENT Two options appear Material and Thickness Be sure Material is highlighted and press ENT Two other options now appear Preprogrammed and Other Scroll to the desired option and press ENT The menu now varies with your choice in Step 3 For preprogrammed linings the screen shows a list of Lining Materials listed in Table 2 2 below Scroll to the appropriate material If the pipe has no lining select None Press ENT to confirm the choice For other materials the next screen asks for the lining Soundspeed Press ENT to open the soundspeed window Use the arrow keys to enter the known soundspeed and press ENT Table 2 2 Preprogrammed Lining Materials Lining Material Options None Tar Epoxy Glass Pyrex Asbestos Cement Mortar Rubber PTFE Note f your pipe lining is not on the drop down list consult GE Sensing for further information You have finished entering data in the Pipe submenu Do one of the following To program in other options press ESC until you return to the PROG menu To program in other menus refer to Appendix A Menu Maps to navigate to the desired menu To leave the User Program press ESC until the display screen reappears Pr

DigitalFlow™ ISX878

Contents

Download Pdf Manuals

Related Search

Related Contents

DigitalFlow&trade; ISX878

Contents

Download Pdf Manuals

Related Search

Related Contents

DigitalFlow™ ISX878