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4-1

Chapter 4

Maintenance & Troubleshooting

Overview

This Chapter provides you with standard Maintenance & Troubleshooting information and instructions on
how to remove and install components of the

FLO.

Maintenance
Highlights

In this section you will learn how to:

Topic See

Page

Backing up Configuration Files

4-3

Changing

FLO Clock

4-3

Replacing

FLO Battery Pack

4-4

Replacing Liquid Crystal Display (LCD) Board

4-8

Replacing Integral Multivariable Transducer (IMV)

4-9

Callibration Overview

4-12

Checking Static Pressure (SP)

4-13

Calibrating Static Pressure (SP)

4-13

Checking Differential Pressure (DP)

4-14

Calibrating Differential Pressure (DP)

4-14

Setup RTD

4-14

How to Change Orifice Plate

4-15

Zero Transducer

4-16

Troubleshooting
Highlights

This section covers the following topics:

Topic See

Page

Reset Procedures

4-17

Visual Alarm Codes

4-21

Troubleshooting Alarms

4-22

Communications Overview

4-24

RS-232 Communications

4-24

RS-485 Communications

4-26

RS-422 Communications

4-28

Wake-Up 4-30

Maintenance
Support

If installation, calibration and maintenance assistance is required, user can contact
the Totalflow Service Department.

USA: (800) 442-3097 or International: 001-918-338-4888

Continued on Next Page

Summary of Contents for uFLO

Page 1: ...2100890 001 AB TOTALFLOW µFLO Computer User s Manual ...

Page 2: ... only The contents are subject to change without notice and should not be construed as a commitment representation warranty or guarantee of any method product or device by Totalflow Inquiries regarding this manual should be addressed to ABB Inc Totalflow Products Technical Communications 7051 Industrial Blvd Bartlesville Oklahoma 74006 U S A ...

Page 3: ... µFLO 1 11 Log Period Records 1 12 Display Function 1 14 Status and Alarm Conditions 1 15 Chapter 2 Installation 2 1 Overview 2 1 Unpacking Inspection 2 2 Meter Run Installation Overview 2 2 Pipe Mount Installation 2 4 Wall Mount Installation 2 8 Direct Mount Installation 2 10 Manifold Input Lines 2 12 RTD Probe Installation 2 13 Battery Pack Installation 2 16 Solar Panel Installation 2 16 AC Char...

Page 4: ... µFLO On Line 3 11 Volume Reset 3 11 µFLO Standard Displays 3 13 Program Display 3 13 Chapter 4 Maintenance Troubleshooting 4 1 Overview 4 1 Maintenance 4 3 Backing up Configuration Files 4 3 Changing µFLO Clock 4 3 Replacing µFLO Battery Pack 4 4 Replacing Liquid Crystal Display LCD Board 4 8 Replacing Integral Multivariable Transducer IMV 4 9 Callibration Overview 4 12 Checking Static Pressure S...

Page 5: ...ting 4 17 Reset Procedures 4 17 Visual Alarm Codes 4 21 Troubleshooting Alarms 4 22 Communications Overview 4 24 RS 232 Communications 4 24 RS 485 Communications 4 26 RS 422 Communications 4 28 Wake Up 4 30 Chapter 5 Totalflow Definitions and Acronyms 5 1 Chapter 6 Drawing Diagrams 6 1 ...

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Page 7: ...addle Installation 2 5 Figure 2 5 µFLO Pipe Mounted 2 6 Figure 2 6 µFLO 6213 Pipe Mounted 2 7 Figure 2 7 µFLO 6213 Wall Mounted 2 9 Figure 2 8 µFLO 6213 Direct Mounted 2 11 Figure 2 9 µFLO Computer IMV Ports 2 12 Figure 2 10 RTD Probe Wiring 2 13 Figure 2 11 µFLO 2100767 Board Cutout Installation 2 15 Figure 2 12 Typical Solar Panel Installation 2 18 Figure 2 13 Mounting AC Charger 2 20 Figure 4 1...

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Page 9: ... Data 3 8 Table 3 4 Alarm Limits 3 9 Table 3 5 µFLO Displayed Items 3 13 Table 4 1 µFLO 2100767 Board Identifications Maintenance 4 5 Table 4 2 µFLO 6210 6213 Component Identifications 4 8 Table 4 3 Calibration Configurable Parameters 4 12 Table 4 4 µFLO 2100767 Board with Communication Configurations 4 20 Table 4 5 Visual Alarm Codes 4 21 Table 4 6 Troubleshooting Alarm Codes 4 22 Table 4 7 Troub...

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Page 11: ...ing and detailed procedures for setup and installation 3 µFLO Operation Provides you with a tutorial on how to get a newly installed µFLO system up and running 4 Maintenance Troubleshooting Provides instructions on how to remove and replace major modules a description of the µFLO front panel error messages and provides a troubleshooting chart on how to correct most problems 5 Definitions Acronyms ...

Page 12: ...ensure safe operation and to retain the product in a safe condition Safety First WARNING statements identify conditions or practices that could result in personal injury or loss of life CAUTION statements identify conditions or practices that could result in damage to the equipment or other property Symbols in This Manual This symbol indicates where applicable safety cautionary or other informatio...

Page 13: ...l usage Fuse Replacement Fuses used on the µFLO electronic boards are surface mount and field repair should not be attempted Most fuses automatically reset themselves but if a know problem exists the Measurement Unit Assembly should be sent in for repair or replacement Safety Guidelines DO NOT open the equipment to perform any adjustments measurements maintenance parts replacement or repairs until...

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Page 15: ...re a single unit and are mounted underneath See Figures 1 3 and 1 4 the enclosure with the top portion inserted into the enclosure where all field wiring takes place See Figure 1 5 This µFLO IMV unit is factory sealed and is currently not field repairable The symbol µ stands for the Greek word meaning micro or mu and the letters FLO is short for flow As it s name implies it is a flow computer desi...

Page 16: ...1 2 FLO 6213 Figure 1 1 µFLO 6213 Dimensions ...

Page 17: ...1 3 4 186 3 141 4 355 9 359 3 23 12 602 8 647 9 992 9 367 13 206 Figure 1 2 µFLO 6210 Dimensions ...

Page 18: ...1 4 Figure 1 3 Bottom View µFLO 6213 9 367 9 992 8 647 Figure 1 4 Bottom View µFLO 6210 ...

Page 19: ...er running PCCU32 software The FS 2 can do basic procedures but PCCU32 is required for many of the initial setup features of the device The µFLO maintains a history of alarms as well as average differential pressure DP average static pressure SP average flowing temperature Tf accumulated volume and energy and an average extension The µFLO can be programmed to calculate flow rates and volumes in ac...

Page 20: ...ROM Other circuitry processes the inputs from the IMV and provides interfaces to the LCD and the PCCU Remote communications are handled by the µFLO Communications Connector J3 See Figure 1 6 Item 1 and Table 1 1 Integral Multivariable Transducer IMV The IMV contains circuitry for processing all measurements and provides the primary measurement capability for the µFLO See Figure 1 6 The unit is des...

Page 21: ...ion Connector 10 Flash Program Memory 2 Security Switch 11 E Prom Loader and Utilities Memory 3 Battery Connection 12 195 Mhz Processor 4 External Charger 13 Lithium Battery 5 S Drive Serial E2 Prom 14 Battery Cover 6 PCCU Interface 15 Battery Mounting Bracket 7 Contrast Potentiometer 16 Memory Backup Enable Disable 8 SRAM Lithium backed 17 RTD Connector 9 LCD Display Interface ...

Page 22: ...e etc Communications Options If remote communications are specified a special cable designed for communication from the communication device to the µFLO must be purchased from Totalflow Optionally you may purchase a COMM IO Board µFLO Comm Board designed for field wiring by knowledgeable technicians See Figure 1 7 In addition to the field terminations for wiring this board contains one DI and one ...

Page 23: ... 5 64 6210 10 60 3 96 Mounting Wall Pipe or Direct Op Temp 40 F to 185 F 40 C to 85 C EMC Requirements EMMISSIONS European Regions EN55022 Class A Emissions Radiated Conducted North America Regions CFR 47 Part 15 Subpart B Class A FCC Emissions ICES 003 Issue 2 Rev 1 Class A ITE Emissions IMMUNITY European Regions EN50082 1 98 Immunity EN61000 4 2 95 ESD 8 kV Air 4 kV Contact EN61000 4 3 95 RF Imm...

Page 24: ... C to 85 C Storage 40 F to 185 F 40 C to 85 C Tap Location Upstream only Pressure is read on the high side of the differential plate Resolution 16 Bit A D conversion 0 003 FS 0 004 FS effective signal resolution Vibration Perf 1 5 INW per G 2G maximum at 1 Hz decreasing to zero at 1 KHz in straight line mode Mounting Spec Change from perpendicular along y axis will be 1 5 INW Static Pressure Accur...

Page 25: ...cent flowing time Percent back flow time Percent out of limits programmable on SP DP Tf and Flow Rate Minimum and maximum values for SP DP Tf and Flow Rate µFLO Capabilities The records and statistics generated are due to the following capabilities of the µFLO Calculation of flow rates volume and coefficients per AGA 3 AGA 8 Supercompressibility standards Calculation of flow extension Tf Sp Dp onc...

Page 26: ...ample displays voltage level of batteries in µFLO Rugged aluminum NEMA 4X enclosure lockable to prevent internal access Optional ability to allow rapid data collection over communication link 2 Communication ports are available on the µFLO 2100767 Board 1 dedicated Local and 1 Remote Communication Interface Log Period Records Each record has entries that contain the following information Average S...

Page 27: ...d to 5 05 p m of the same day the entry reflects only a 55 minute average accumulation Then a new flow record is written and this period is also based on a 55 minute accumulation Backward Clock Change Crossing an Hourly Boundary Hourly entry is made for part of hour that has accumulated since making last hourly entry This is same as for a Forward Clock Change Crossing an Hourly Boundary µFLO advan...

Page 28: ...T DP LO NN PERCENT Yesterday s Percent DP Low Limit Percent time below DP Low Set Point YEST DP HI NN PERCENT Yesterday s Percent DP High Limit Percent time below DP High Set Point FLOWRATE NNNNNN N SCF HR Current Flow Rate Programmable SCF or MCF or MMCF ACCUM VOL NNNNNN NN MCF Total Accumulated Volume Programmable SCF or MCF or MMCF BATTERY NN N VOLTS Battery Voltage Volts DIFF PRESS NNN N IN H2...

Page 29: ... different application or tube types As supplied from the factory a typical device will come with a standard display configuration but can be modified Consult the PCCU32 help files for more instruction on programming the display Figure 1 8 Liquid Crystal Display and Indicators Table 1 3 µFLO Status and Alarm Description Indicator Description I O Sub System L L Low Lithium Battery Alarm When L L lo...

Page 30: ...iting for Sync Measurement Application BF Back Flow Condition Visible only when DP variable displayed Z Zero Flow Condition Visible only when Flow Rate displayed H Hold Displayed when PCCU has entered Calibration Mode on a Measurement Application A Alarm Condition Need to view alarm You may need to compare application limits to current values to determine where the alarm condition is present A D A...

Page 31: ... to plan your installation Also before you begin refer to the wiring diagrams delivered with the new µFLO You may store these under the tab Drawings in the back of this manual Highlights This Chapter covers the following topics Topic See Page Unpacking Inspection 2 2 Meter Run Installation Overview 2 2 Pipe Mount Installation 2 4 Wall Mount Installation 2 8 Direct Mount Installation 2 10 Manifold ...

Page 32: ...amage Damaged Components If any components have been damaged or if there are noticeable defects notify your Totalflow representative Keep all shipping materials for the carrier s inspection Totalflow will arrange for immediate repair or replacement see Getting Help page x Meter Run Installation Overview The following procedures unless otherwise stated are applicable to all µFLO Computers The µFLO ...

Page 33: ...2 3 1 63 81 2 13 10 27 3 74 Figure 2 1 Bottom View of µFLO 6213 with IMV 9 37 2 13 3 79 81 1 63 Figure 2 2 Bottom View of µFLO 6210 with IMV ...

Page 34: ...Two U bolts plus fastening hardware µFLO mounting brackets Material Not Supplied One pipe Saddle One 2 x 40 pipe Standard 3 or 5 valve manifold Stainless steel tubing Optional equipment may be ordered from Totalflow Figure 2 3 Typical Pipe Installation Continued on Next Page AC Battery Charger µFLO Low Input L High Input H To Customer Provided AC Power Source RTD Probe Meter Run Orifice Fitting ...

Page 35: ...mounted in saddle until vertical alignment is achieved 4 After vertical alignment securely tighten 2 by 40 pipe in Saddle then securely tighten Saddle mounting bolts Be certain pipe is securely installed in Saddle The following procedures are to be followed when installing µFLO on 2 mounting pipe To install µFLO it is recommended that two people make the installation One to hold unit in position a...

Page 36: ... bolts flat washers lock washers and two bolts See Figure 2 5 U Bolt 2 Mounting Pipe Mounting Bracket with nut Flat and lock washers Mounting Bracket IMV Figure 2 5 µFLO Pipe Mounted Position µFLO high enough on pipe to allow slope from externally mounted manifold to tap valves refer to Figure 2 3 See Figure 2 6 for Pipe Mounted dimensions ...

Page 37: ...2 7 FLO 6213 3 VALVE PGI M 651 2 PLACES FITTINGS 1 2 NPT FURNISHED TO 3 8 T CUSTOMER Figure 2 6 µFLO 6213 Pipe Mounted ...

Page 38: ...th to support the hanging weight of the unit There should be no obstruction s that would prevent the µFLO door from being opened to access interior installed components or to interfere with installation of the solar panel Instructions Step Procedure 1 Refer to Figures 2 7 drill mounting holes in wall supports 2 Install supplied wall mounting brackets on back of µFLO as shown in figure 2 7 3 Lift a...

Page 39: ...2 9 FLO 6213 Figure 2 7 µFLO 6213 Wall Mounted ...

Page 40: ...e µFLO to the manifold is to be supplied by the customer Instructions Step Procedure 1 Refer to Figure 2 8 attach the Integral Multivariable Transducer IMV to the manifold Before aligning with the manifold ensure that Teflon seal rings are in place around the two process ports 2 Using the four 7 16 inch bolts supplied with the manifold secure the IMV to the manifold 3 Refer to Figure 2 8 and compl...

Page 41: ...2 11 SOLAR PANEL 5 VALVE INSTRUMENT MANIFOLD ORIFICE 6213 FLO Figure 2 8 µFLO 6213 Direct Mounted ...

Page 42: ...RENTIAL PORT LEFT DIFFERENTIAL PORT Figure 2 9 µFLO Computer IMV Ports Installation Installation is customers responsibility The hardware required to connect to meter run to install manifold to µFLO Differential Ports is as follows Material Not Supplied Stainless steel tubing Tubing fittings A backup wrench should always be used when working with stainless steel tubing and valves This prevents fit...

Page 43: ...l introduce errors when calibrating IMVs RTD Probe Installation The RTD measures flowing gas temperature Procedures presented in this Chapter enable the user to install the RTD into the meter run Figure 2 10 RTD Probe Wiring Optionally Supplied Materials RTD probe with 10 of cable Optional lengths are 15 25 30 40 and 50 One 1 thermowell with 3 4 npt threads optional threads are 1 2 and 1 Nylon tie...

Page 44: ...g from unit and insert wires through the hole Allow enough RTD cable to extend into µFLO for connecting wires to RTD termination Block J9 Figure 2 11 Item 17 4 Secure RTD Probe cable using supplied sealing ring and nut 5 Connect RTD probe to µFLO RTD connector as follows Before making connections to terminal block remove spade lugs if attached and trim wire ends back 1 4 and remove associated term...

Page 45: ...d Cutout Installation Table 2 1 µFLO 2100767 Board Identifications Installation ID Number Description 1 Remote Communication Connector 2 Security Switch 3 Battery Connection 4 External Charger 5 S Drive Serial E 2 Prom 17 RTD Connector ...

Page 46: ...nsion pipe installed on upper end of µFLO 40 mounting pipe See Figure 2 12 Solar panel must be mounted within 12 feet of µFLO other lengths available For wall mounted µFLO it can be mounted on top or side of meter house Do not connect solar panel power cable to the µFLO unless main battery pack has been connected to J6 Figure 2 11 Item 3 Refer to previous section on Battery Pack Installation If in...

Page 47: ...Procedure 1 Attach 2 pipe Coupling to top end of µFLO 40 mounting pipe Securely tighten 2 Install 2 pipe extension into Coupling and securely tighten 3 Check solar panel using digital voltmeter to verify polarity and output voltage Voltage will vary depending on amount of sun angle to sun etc Solar Panel Mounting Bracket 2 Coupling 2 Extension Pipe Flow Computer Cable Solar Panel U Bolts ...

Page 48: ...Figure 2 11 Item 4 9 Before making connections to terminal block trim wire ends back 1 4 and remove associated terminal block from µFLO 2100767 Board Loosen terminal block securing screws insert wire then retighten Connect Solar Panel lead to terminal and wire to terminal Verify main battery pack is connected and then reinstall terminal block with wires attached 10 Following connection of Solar Pa...

Page 49: ...g O ring and metal locking nut attached 5 Before connecting Charger wiring trim wire ends back 1 4 and remove associated EXT CHGR terminal block J7 Figure 2 11 Item 4 from µFLO 2100767 Board Loosen terminal block securing screws insert red wire into plus terminal top and black wire in negative terminal bottom Retighten screws and reinstall terminal block with wires attached 6 Plumb the conduit and...

Page 50: ...2 20 Figure 2 13 Mounting AC Charger ...

Page 51: ...hlights In this Chapter you will learn about Topics See Page Laptop Computer running PCCU32 3 2 FS 2 Handheld PCCU 3 2 Setting up the µFLO 3 3 Overview 3 3 Station ID 3 3 Location 3 3 Date Time 3 3 Security System 3 4 Configuring the µFLO 3 5 Contract Hour 3 5 Volume Calculation Period 3 5 Log Period 3 5 Calculation Type 3 5 Constants 3 7 Super Compressibility Calculation Fpv 3 8 Alarm Limits 3 9 ...

Page 52: ...dows environment features user friendly help files and easy to follow menus Having help files readily accessible to the user is comparable to having a virtual teacher on location Easy to follow menus and icons step the user through many required choices The laptop computer connects via the cable directly to the connector on the side of the µFLO Once this physical connection has been made you may b...

Page 53: ...rs Description Format Note Station ID XXXXXXXXXX 10 digit alphanumeric Location In WINCCU the host software used to communicate remotely with the µFLO the location field can hold up to 24 alphanumeric characters to describe its location An example would be the county name or road number Description Format Note Location xxxxxxxxxxxxxxxxxxxxxxxx 24 digit alphanumeric There are additional fields stor...

Page 54: ...n The Hardware Security System is designed to have two levels of user access Application Editing and Downloading Files to a device User access by default is restricted from modifying and downloading the Application Table or from downloading files to the device s R and S drives but has all other user type privileges These default privileges can be edited by the Administrator In order to program a u...

Page 55: ...g the calculated accumulated volume to record You may record volumes as often as every minute and as seldom as every hour The default is 60 minutes The µFLO can normally store 960 log periods 40 days x 24 logs A 5 minute log period will consume available memory in 8 days Description Options Log Period 1 2 5 10 20 30 60 Calculation Type When the µFLO is powered up initially the calculation type mus...

Page 56: ...ctor Yes N A Fpv Supercompressibility Factor 1 Yes Yes Fw Water Vapor Factor 2 Yes Yes Faux Full Well Stream Factor 3 Yes Yes Cd Coefficient of Discharge N A Yes Fp for Fpv method NX19 Fixed Yes Yes Ft for Fpv method NX19 Fixed Yes Yes A complete description can be found in the AGA Report No 3 1 NX19 GCN NX19 GCNM AGA 8 1992 Gross and AGA 8 1992 Detail 2 Not an AGA factor Fw is a factor which comp...

Page 57: ... Pressure PSIA Yes Yes DP zero cutoff 0 0000 inches H2O Yes Yes Meter Factor Fb Basic Orifice Factor 210 2300 Yes N A Orifice Coefficient of Expansion 9 2500 Inches per Deg F No Yes Orifice diameter 1 0000 Yes Yes Orifice Material Stainless Yes No Pipe Coefficient of Expansion 6 2000 Inches per Deg F N A Yes Pipe diameter 2 0670 Yes Yes Pressure Base Contract 14 7300 PSIA Yes Yes Specific Heat Rat...

Page 58: ...000 No Yes No Ft for Fpv method NX19 Fixed 1 000 No Yes No Heating value 5 1000 0000 BTU SCF Yes Yes Yes Argon 0 0000 mol No No Yes Carbon dioxide CO2 0 0000 mol Yes Yes Yes Carbon Monoxide 0 0000 mol No No Yes Ethane 0 0000 mol No No Yes H2S 0 0000 mol No No Yes Helium 0 0000 mol No No Yes Hydrogen 0 0000 mol No No Yes iButane 0 0000 mol No No Yes iPentane 0 0000 mol No No Yes Methane 100 000 mol...

Page 59: ... accumulated partial calc periods volume into the historical record file Zero the remaining partial calc periods accumulations Complete all computations for the present flow file daily record Begin a new flow file daily record Zero total volume accumulator and log the event with an accumulator value before zeroing out accumulator Since the µFLO volume calculations are made each vol calc period any...

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Page 61: ... orifice plate size and be introduced into the calculations To avoid introduced errors it is recommended that Reset Volume command be used This command forces the µFLO to perform volume calculations for the elapsed time since a previous volume calculation was made A new partial period volume is added to the volume accumulator which is logged as an event before it is reset to zero 0 Description Whe...

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Page 63: ...4 hour clock YEST DP LO NN PERCENT Yesterday s Percent DP Low Limit Percent time below DP Low Set Point YEST DP HI NN PERCENT Yesterday s Percent DP High Limit Percent time below DP High Set Point FLOWRATE NNNNNN N SCF HR Current Flow Rate Programmable SCF or MCF or MMCF ACCUM VOL NNNNNN NN MCF Total Accumulated Volume Programmable SCF or MCF or MMCF BATTERY NN N VOLTS Battery Voltage Volts DIFF P...

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Page 65: ...g Static Pressure SP 4 13 Calibrating Static Pressure SP 4 13 Checking Differential Pressure DP 4 14 Calibrating Differential Pressure DP 4 14 Setup RTD 4 14 How to Change Orifice Plate 4 15 Zero Transducer 4 16 Troubleshooting Highlights This section covers the following topics Topic See Page Reset Procedures 4 17 Visual Alarm Codes 4 21 Troubleshooting Alarms 4 22 Communications Overview 4 24 RS...

Page 66: ...rational limit violations by observing the alarm codes on the right side of the LCD display µFLO alarm troubleshooting procedures are presented in the Troubleshooting Chapter Returning Part s for Repair If a TOTALFLOW component is to be returned to Totalflow for repair securely wrap it in protective anti static packaging Before returning a component call us for a Return for Authorization Number RA...

Page 67: ...ges accumulated over a 70 minute time period 15 minutes plus 55 minutes Forward Clock Change Crossing an Hourly Boundary Forces an log period entry for part of hour that has accumulated since last hourly entry µFLO then advances to newly defined data flow record boundary and begins maintaining balance of days data in newly defined boundary Example If present time is 4 55 p m and clock is changed t...

Page 68: ...r covers the top two pins This enables the memory backup 2 Either make sure LL battery alarm is not being displayed on µFLO or measure lithium battery and make sure it is 3 0V 3 Disconnect the battery charger from µFLO 2100767 Board terminals EXT CHGR J7 Figure 4 1 Item 4 4 Before removing battery pack disconnect the Battery Cable from the µFLO 2100767 Board connector J6 Figure 4 1 Item 3 5 Remove...

Page 69: ...intenance ID Number Description 1 Remote Communication Connector 2 Security Switch 3 Battery Connection 4 External Charger 6 PCCU Interface 7 Contrast Potentiometer 9 LCD Display Interface 13 Lithium Battery 14 Battery Cover 15 Battery Mounting Bracket 16 Memory Backup Enable Disable 17 RTD Connector ...

Page 70: ...4 6 11 9 5 4 1 13 3 FLO 6210 12 8 7 10 2 Figure 4 2 µFLO 6210 Component Cable Locations ...

Page 71: ...4 7 1 6 FLO 6213 5 13 3 2 4 7 8 10 9 12 11 Figure 4 3 µFLO 6213 Component Cable Locations ...

Page 72: ...This refers to the call out item number referenced on each drawing DO NOT remove the µFLO 2100767 Board mounted Lithium battery since it provides power to RAM It is recommended that historical flow data be downloaded before accessing and removing LCD Board to prevent potential loss of stored data Instructions Step Procedure 1 Make sure the J1 Figure 4 1 Item 16 memory backup jumper covers the top ...

Page 73: ...ew back counter clockwise until screen is readable Replacing Integral Multivariable Transducer IMV Under no circumstances shall the µFLO IMV cover be removed Removal of this cover and entry into interior of IMV voids IMV warranty If the IMV requires servicing the entire assembly must be removed from µFLO securely packaged for shipping and returned to Totalflow Procedures In the following procedure...

Page 74: ...LVES TO PIPE RUN HIGH SIDE RIGHT DIFFERENTIAL PORT LOW SIDE LEFT DIFFERENTIAL PORT ALTERNATE PRESSURE SOURCE VENT TO ATMOSPHERE BYPASS HIGH SIDE VALVE BYPASS LOW SIDE VALVE Figure 4 4 Flow Computer with Discrete Manifold ...

Page 75: ...re from underside of µFLO being careful when removing the final screws 9 IMV will slide down through the access hole Be cautious to not damage the weather sealing gasket During reinstallation of IMV weather sealing gasket must be reinstalled between the IMV and bottom of µFLO to keep out moisture and dust 10 Insert top of the replacement IMV into the access hole Using a Phillips screwdriver insert...

Page 76: ...o calibrate Static Pressure cell you must ensure that the prescribed Flange Tap valves are blocked to prevent false differential pressure from being applied to DP cell Also ensure that both high and low sides are pressured up during SP calibration Hold Mode When calibrating the IMV or setting up a fixed temperature the PCCU will instruct the µFLO to ignore live values for the flow calculations for...

Page 77: ...A three or five point pressure method is used to calibrate the µFLO Static Pressure cell These different pressures are applied to the cell from a known traceable source with resultant pressure values entered into the µFLO using PCCU software When calibrating wait for the readings to stabilize before entering new values The µFLO uses an absolute Static Pressure SP Cell Absolute pressure measures th...

Page 78: ...libration of the unit the correction made at the factory remains as is This ensures that the readings received in the field are accurate The user may not change the factory set shift If readings appear incorrect you may need to check for leaks and then re calibrate the DP When calibrating wait for the readings to stabilize before entering new values Setup RTD Although the RTD Resistive Temperature...

Page 79: ... Run In Service Procedure Senior Fitting Step Procedure 1 Place µFLO in HOLD by entering the calibration mode so constant SP DP and Temperature values are used while the orifice plate is being changed 2 Replace the orifice plate 3 Exit the Calibration mode releasing the Hold of the SP DP and Temperature 4 If you would like to record a Volume Calculation go to the Entry screen select the measuremen...

Page 80: ...anner that is assures accountability and continuity when other measurement issues arise By using the Zero Transducer command all references to previous pressure markers are non existent eliminating the ability to adjust volumes based on previous markers Using the Zero Transducer capability assumes that the shift is Linear meaning that at different levels of pressure that the IMV is off by exactly ...

Page 81: ...rging source is connected it must be disconnected Slide external charger terminal block J7 Figure 4 5 Item 4 from the board 2 Disconnect battery pack connector from the Main Board BAT CONN connector J6 Figure 4 5 Item 3 3 Disable Memory Backup J1 Figure 4 5 Item 16 by moving the pin jumper to pins 2 and 3 4 To return to service reconnect 12 Vdc battery pack connector to board BAT CONN connector J6...

Page 82: ...he following procedure the common name for a component or it s jumper number if available abbreviated J or part is followed by a number in parentheses This refers to the call out item number referenced on each drawing Instructions Step Procedure 1 If an external charging source is connected it must be disconnected Slide external charger terminal block J7 Figure 4 5 Item 4 from the main board 2 Ena...

Page 83: ...4 19 RS 485 RS 232 4 6 7 5 2 3 1 TB1 RS 422 3 5 4 2 1 TB2 I O Figure 4 5 µFLO 2100767 Board with Communication Configurations ...

Page 84: ...External Charger 5 S Drive 6 PCCU Interface 7 Contrast Potentiometer 8 Static Ram R Drive 9 LCD Display Interface 10 Flash 11 EPROM 12 Processor 13 Lithium Battery 14 Battery Cover 15 Battery Mounting Bracket 16 Memory Backup Enable Disable 17 RTD Connector 18 2101059 001 COMM IO RS 485 Board 19 2101059 002 COMM IO RS 232 Board 20 2101059 003 COMM IO RS 422 Board ...

Page 85: ...arms are discussed here A description of each µFLO alarm code is described in Table 4 5 Figure 4 6 Liquid Crystal Display and Indicators Table 4 5 Visual Alarm Codes Indicator Description I O Sub System L L Low Lithium Battery Alarm When L L low lithium is displayed lithium battery voltage is below 2 5 Vdc A new lithium battery measures approximately 3 6 Vdc L C Low Charger Displayed if µFLO batte...

Page 86: ...ck solar panel for any physical damage or obstructions to sunlight Sunlight obstruction prevents solar panel from receiving enough sunlight to charge installed battery pack Solar panel should be positioned so it receives the most sunlight Do not place it in a shaded area 4 Check solar panel wiring to be certain it is correctly connected to associated µFLO 2100767 Board termination block J7 Figure ...

Page 87: ...m 17 RTD terminals 3 and 4 2 Connect a jumper wire from J9 Figure 4 5 Item 17 terminals 2 and 3 3 Connect a jumper wire from J9 Figure 4 5 Item 17 terminals 4 and 5 4 The µFLO LCD should read approximately 32 F with the 100 ohm resistor connected If temperature is approximately 32 F and error goes away RTD probe is faulty and should be replaced If temperature is not 32 F µFLO 2100767 Board or IMV ...

Page 88: ...e baud rate listen cycle protocol and interface for future reference The following helpful hints aid the user after communication equipment has been installed and setup When communication equipment is powered on µFLO displays the after it recognizes the µFLO ID and is responding Check baud rate of µFLO transmission and LISTEN time settings The baud rate and time settings can be changed when PCCU i...

Page 89: ... TB1 7 SWVBATT WHT The SWVBATT voltage should pulse once every four 4 seconds for a time duration of approximately 350 milliseconds Baud rate dependent 350 ms 1200 Baud Voltage must be at least 11 9 Vdc Measuring Battery Pack Voltage V BATT Using a digital voltmeter measure transceiver V BATT power supply voltage between the 2100888 002 field termination board TB1 Figure 4 5 Item 19 connector term...

Page 90: ...ing frequency instructions Verify orientation of antenna if directional RS 485 Communications The following RS 485 Communications troubleshooting procedures will assist the user in what may be the possible cause for indicated error message Refer to Table 4 8 Table 4 8 Troubleshooting RS 485 Communications Error Message Possible Cause µFLO Will Not Respond To Communication Message If using manufact...

Page 91: ...ure 4 5 Item 18 connector terminals Switched voltage should be greater than 11 9 Vdc TB1 5 GND BLK and TB1 6 V BATT Voltage may be difficult to see using a digital voltmeter It can be seen using an oscilloscope Verify voltage by continuously polling µFLO from CCU Measuring RS 485 Line Driver voltage Using an oscilloscope or digital voltmeter connect it to the 2100888 001 field termination board TB...

Page 92: ...number in parentheses This refers to the call out item number referenced on each drawing Measuring SWVBATT Transceiver Supply Switch Voltage Check µFLO transceiver SWVBATT supply voltage Refer to the following Measuring SWVBATT Transceiver Supply voltage for procedures Using a digital voltmeter measure transceiver SWVBATT DC supply voltage between the 2100888 003 field termination board TB1 Figure...

Page 93: ...onnect it to the 2100888 003 field termination board TB1 Figure 4 5 Item 20 connector between the following terminals Voltage should vary between 5 Vdc and 0 Vdc when communication data is being received from CCU to µFLO TB1 4 RBUS and TB1 3 RBUS Communication Problem s Still Exit Using two hand held transceivers check communication path between Master and Remote sites If available voice activated...

Page 94: ...up the µFLO performs the following functions Stores present calculation periods accumulations in historical record Zeros present calculation periods accumulations and End current daily record and start new daily record Instructions Step Procedure In the following procedure the common name for a component or it s jumper number if available abbreviated J or part is followed by a number in parenthese...

Page 95: ...te Zero The zero point on the absolute temperature scale It is equal to 273 16 degrees C or 0 degrees K Kelvin or 459 69 degrees F or 0 degrees R Rankine AC See Alternating Current ACK See Acknowledgment Acknowledgment This refers to a response over a remote communication device to a request such as a PING Basically saying I m here and I saw your request ACM See Analyzer Control Module Active Mode...

Page 96: ...our Ampere Hour Efficiency The ratio of the output of a secondary cell or battery measured in ampere hours to the input required to restore the initial state of charge under specified conditions Amplitude The highest value reached by voltage current or power during a complete cycle Amplitude Modulation Where audio signals increase and decrease the amplitude of the carrier wave AMU See Analog Measu...

Page 97: ...a reference time or clock Atmospheric Pressure The pressure due to the weight of the atmosphere air and water vapor on the earth s surface The average atmospheric pressure at sea level for scientific purposes has been defined at 14 696 pounds per square inch absolute Audit To examine or verify data for accuracy Totalflow s DB1 and DB2 records may be edited to generate a more accurate representatio...

Page 98: ...o adjusting the measurement of the float level to agree with a calibrated measurement On an RTD Resistant Thermal Detector it refers to adjusting the measurement of the temperature to agree with a calibrated temperature This figure maybe either a positive or negative figure BIAS Current A very low level DC current generated by the panel meter and superimposed on the signal This current may introdu...

Page 99: ...s produced in the various operations or of the various produced products Btu per Cubic Foot A measure of the heat available or released when one cubic foot of gas is burned Btu Dry Heating value contained in cubic foot of natural gas measured and calculated free of moisture content Contractually dry may be defined as less than or equal to seven pounds of water per Mcf Btu Saturated The number of B...

Page 100: ... tolerance for a particular value of the input Also to ascertain the error in the output of a device by checking it against a standard Capacitor An electronic component that stores electrical charge Capacity The total number of ampere hours or watt hours that can be withdrawn from a cell battery under specified conditions of discharge Carbon Base of all hydrocarbons and is capable of combining wit...

Page 101: ...face Module Circuit 1 The complete path between two terminals over which one way or two way communications may be provided 2 An electronic path between two or more points capable of providing a number of channels 3 A number of conductors connected together for the purpose of carrying an electrical current 4 An electronic closed loop path among two or more points used for signal transfer 5 A number...

Page 102: ...communication with various equipment including the XFC FCU XRC and RTU etc Complimentary Metal Oxide Semiconductor Family of logic devices that uses p type and n type channel devices on the same integrated circuit It has the advantage of offering medium speed and very low power requirements Component 1 A small object or program that performs a specific function and is designed in such a way to eas...

Page 103: ... and water vapor Cubic Foot Metered The quantity of gas that occupies one cubic foot under pressure and temperature conditions in the meter Cubic Foot Standard That quantity of gas which under a pressure of 14 73 psia and at a temperature of 60 degrees occupies a volume of one cubic foot without adjustment for water vapor content Cumulative Capacity The total number of ampere hours or watt hours t...

Page 104: ...ch can be stored and processed by a computer Data Collect Physically locally or remotely retrieving data stored with a Totalflow unit This data is typically stored in records located in a data base format DC See Direct Current DCD Communication abbreviation for Data Carrier Detect DCS PLC Distribution Control System Programmable Logic Controller DDE See Digital Data Exchange Also called Dynamic Da...

Page 105: ... inside a displacement type gas meter Also a membrane separating two different pressure areas within a control valve or regulator Differential Pressure The pressure difference between two points in a system For example the difference in pressure between the upstream and downstream taps of an orifice plate used to measure volume passing through the orifice Digital A signal which has distinct states...

Page 106: ...ity plant used for the purpose of delivering gas from the city gate or plant to the consumers or to expenses relating to the operating and maintenance of distribution plant Distribution Company Gas Company which obtains the major portion of its gas operating revenues from the operation of a retail gas distribution system and which operates no transmission system other than incidental connections w...

Page 107: ...a to the iVision database saving time and network resources by not transmitting redundant data The DVI includes the Totalflow WinCPC code and thus supports all Totalflow software and functions including WinCCU TDS PCCU Report by exception cryout etc Dynamic Random Access memory This is the most common form of computer memory It needs to be continually refreshed in order to properly hold data thus ...

Page 108: ...normal constituent of natural gas Ethylene C2H4 A colorless hydrocarbon gas of slight odor having a gross heating value of 1 604 Btu per cubic foot and a specific gravity of 0 9740 It is usually present in manufactured gas constituting one of its elements Event Important incident an occurrence especially one that is particularly significant Event File Stored records specifying a notable change The...

Page 109: ... is found in the underground formations from which it is produced Firmware A computer program or software stored permanently in PROM or ROM or semi permanently in EPROM Firmware Version This refers to the version of firmware contained in the equipment Fixed Point A format for processing or storing numbers as digital integers Flange For pipe a metal collar drilled with bolt holes and attached to th...

Page 110: ...ain of an amplifier from the ideal gain Gas That state of matter which has neither independent shape nor volume It expands to fill the entire container in which it is held It is one of the three forms of matter the other two being solid and liquid Gas Chromatograph An analytical instrument that separates mixtures of gas into identifiable components by means of chromatography Gas Chromatograph Modu...

Page 111: ... or catalyst beds Examples are coal gases coke oven gases producer gas blast furnace gas blue water gas and carbureted water gas Btu content varies widely Gas Natural A naturally occurring mixture of hydrocarbon and nonhydrocarbon gases found in porous geologic formations beneath the earth s surface often in association with petroleum The principal constituent is methane Gas NC4 Normal Butane Gas ...

Page 112: ... Gathering Line A pipeline usually of small diameter used in gathering gas from the field to a central point Gathering Station A compressor station at which gas is gathered from wells by means of suction because pressure is not sufficient to produce the desired rate of flow into a transmission or distribution system Gathering System The gathering pipelines plus any pumps tanks or additional equipm...

Page 113: ...s an integral sub multiple of the fundamental is called a sub harmonic Hazardous Area Classification Any area likely to have an explosive combination of oxygen and fuel Heating Value The amount of heat developed by the complete combustion of a unit quantity of a material Hertz Cycles per second A measure of frequency or bandwidth Hexadecimal A numbering system to the base 16 0 through F Hexanes A ...

Page 114: ...hes of mercury at 32 degrees F and standard gravity of 32 174 ft sec2 is equal to a gauge pressure of one pound per square inch Inch of Water A pressure unit representing the pressure required to support a column of water one inch high Usually reported as inches W C water column at a specified temperature 27 707 inches of water at 60o and standard gravity of 32 174 ft sec2 is equal to a gauge pres...

Page 115: ...chemical formula as butane but different molecular structure resulting in different physical properties notably lower boiling point Gross heating value 3261 Btu cu ft gas IVision SCADA system designed for oil and gas applications K Kilo 1 In referring to computers a kilo is 1024 or 2 to the 10th power Note that it is actually slightly more than an even 1000 2 the standard metric prefix for 1 000 o...

Page 116: ... which are gaseous at reservoir temperatures and pressures but are recoverable by condensation or absorption Natural gasoline and liquefied petroleum gases fall in this category Load electrical A load is an energy consuming device The device can be an actual device such as a bulb of a flash light radio cassette player motor etc a resistor or a constant current load Load units The amount of gas del...

Page 117: ...d on the computer screen once a program has been entered Meter Manifold Gas piping between gas service line and meter Also gas piping supplying two or more meters Meter Orifice A meter using the differential pressure across an orifice plate as a basis for determining volume flowing through the meter Ordinarily the differential pressure is charted Meter PD See Meter Positive Displacement Meter Posi...

Page 118: ...of an operating system in which several processes can be run simultaneously Multivariable Transducer Transducer supplying more than 1 variable Totalflow uses this term to encompass units that read Static Pressure Differential Pressure and Temperature Historically these units were coined AMU for Analog Measurement Unit As a result of advanced technology the unit no longer functions as only an analo...

Page 119: ...sting Laboratory NX 19 American Gas Association Report referring to a specific method to calculate the Supercompressibility factor OCV See Open Circuit Voltage ODBC See Open Database Connectivity OHM The unit of resistance usually shown as the symbol R One thousand ohms is written k and one million ohms is written M Resistance is measured with a multimeter set to the ohms range OLE Object Linking ...

Page 120: ...horized users anywhere on a corporate network or even over the Internet if the network is properly configured Operating System Base level software that controls a computer runs programs interacts with users and communicates with installed hardware or peripheral devices Orifice Meter Device to record differential pressure measurement which uses a steel plate with a calibrated hole or orifice to gen...

Page 121: ...ch require replacement when blown Pressure Differential Difference in pressure between any two points in a continuous system Pressure Markers Pressure testing at different levels of pressure Used for comparison purposes Pressure Absolute See PSIA Pressure Atmospheric See Atmospheric Pressure Pressure Gas In the natural gas industry pressure is measured by the force applied to a designated area PSI...

Page 122: ...Technische Bundesanstalt German for Physically Technical Federal Institution or German Technical Institute for Certification PTC See Positive Temperature Co efficient Fuse Pulse Input An digital input to a meter usually a turbine that is used to measure pulses over a time period This calculates volume and flow rate for each period of time Pulse Mode An operational mode used by the LevelMaster for ...

Page 123: ... conducted with two way independent channels It employs unbalanced signaling and refers to point to point communications between one driver and one receiver in a 4 wire bus system The RS 232 single ended transmits at a relatively slow data rate up to 20K bits per second and short distances up to 50 Ft the maximum data rate Recommended Standard 422 This is the standard interface for half duplex com...

Page 124: ...olution can resolve 1 part in 4096 RFI See Radio Frequency Interference Ribbon Cable A flat cable in which the conductors are side by side rather than in a bundle ROM See Read Only Memory RRTS Communication abbreviation for Remote Ready To Send RS 232 See Recommended Standard 232 RS 422 See Recommended Standard 422 RS 485 See Recommended Standard 485 RTD See Resistant Thermal Device RTDB See Real ...

Page 125: ... a feedback system SG Acronym for Specific Gravity Short Circuit A connection of comparatively low resistance accidentally or intentionally made between points on a circuit between which the resistance is normally much greater Also called a bridge or short such as when solder from two tracks touch on a PC board SIG See Signal Signal Any communication between message based devices consisting of a w...

Page 126: ... Almost all databases support SQL The iVision RTDB supports SQL and this makes it extremely flexible within a corporate network Authorized users throughout the organization can write SQL statements to acquire data from this database that they need for Marketing Accounting Engineering or other functions Supercompressibility Factor A factor used to account for the following effect Boyle s law for ga...

Page 127: ... URL e g www TotalFlow com in a browser a DNS server on the network resolves this into an IP address and directs your request to the machine with that address TDS32 Totalflow DDE Server that allows Microsoft Windows applications with DDE capabilities to communicate with Totalflow s equipment For example data can be retrieved and placed in an Excel spreadsheet Temperature Coefficient An experimenta...

Page 128: ... bi polar transistor to distinguish it from Field Effect Transistor etc Transmitter A device that converts audio video or coded signals into modulated radio frequency signals which can be propagated by electromagnetic waves radio waves Tranzorb Transient Voltage Suppression device Tube Cylinder for transporting or storing liquids any long hollow cylinder used to transport or store liquids Tuned Ra...

Page 129: ...ge It is one of the ranges in a multimeter Volume Calculation Period The specified length between reading and calculating volume data Watt Symbol W The unit of power One watt is the product of one volt and one amp Power W Current I X Energy E E Volts Wavelength The distance between two points of corresponding phase in consecutive cycles Web Page All the text graphics and sound visible with a singl...

Page 130: ...actually linked Wobbe Index Calculated from the energy content or a higher heating value of the gas and the relative density of the gas Btu RD1 2 Working Voltage The highest voltage that should be applied to a product in normal use normally well under the breakdown voltage for safety margin See also Breakdown Voltage World Wide Web An Internet service facilitating access to electronic information ...

Page 131: ... to place drawings that accompanies their new Totalflow units Totalflow recommends that a complete set of all drawings that accompany a Flow Computer be placed in this Chapter This would ensure that the user have only drawings applicable to their units and drawings that are at the latest revision level ...

Page 132: ...6 2 B B Bl lla a an n nk k k P P Pa a ag g ge e e ...

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