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Fluid Components Intl ST98, Инструкция по установке, эксплуатации и обслуживанию

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Doc. No. 06EN003291 Rev. A

5 - 1

       Model ST98 Flow Meter

CHAPTER 5 - TROUBLESHOOTING

FLUID COMPONENTS INTL

5.  Troubleshooting

Caution:

Only qualified personnel should attempt to test this instrument.  The operator assumes all
responsibilities for safe practices while troubleshooting.

Alert:

The electronics contains electrostatic discharge (ESD) sensitive devices.  Use standard ESD
precautions when handling the electronics.  See Chapter 2, Installation for ESD details.

Quick Check

Verify the serial numbers of the flow element and electronics match.
Verify all cables are seated firmly.
Verify all customer connections are correct.
Verify the wiring is per the wiring diagram in Chapter 2.
Verify the installation is correct as shown in Chapter 2.
Check customer fuses and power switches.
Press [P] to reconfigure the FC88 to the proper 2 line display.
Press [N] to reset the software.

General Function Check

Once the flow meter has been installed and turned on, the instrument can be checked for proper operation by
performing the NAMUR functional checks.  The following tools will be required for this check.

Tools Needed - General Function Check -

FC88 Communicator or Computer with Interface Kit - Contact a Field Representative or Customer Service to
purchase an FC88 or computer interface kit.
Digital Multimeter (DMM)
Allen Wrench 1/16 Inch (for aluminum, circular enclosure)
Medium size flat blade Screwdriver (for steel, square enclosure)

NAMUR Fault Indication

NAMUR NE43 is a German fault detection standard that lets the user know if there is a fault within the
instrument. The fault indicator can be turned on or off with the X menu function as described in
Chapter 3 - Operation.

When the indicator is on and a fault is detected the 4-20 mA output will be driven to less than or equal to 3.5 mA,
or 22 mA or greater, depending upon what the user chooses.  If a voltage output was selected, the output will be
driven from 0 to 1 volt every 7 seconds.  The voltage fault indicator is not part of the NAMUR NE43 standard.

When the NAMUR Fault indication is turned on (Menu X), the faults will be displayed when the instrument is in
the normal operation mode (Menu T).

In a few cases there may be two error indications when there is only one fault.  A single fault can cause multiple
problems with the instrument, therefore there are more than one fault indications.  The fault indications shown in
the T mode are prioritized in the order of where the problem will most likely be found.

Example:  Error codes are:  "Sensor Error"  "Overtemp Head"

  There is most likely a sensor element wiring problem that is creating an over temperature fault
   situation.

Содержание ST98

Страница 1: ...ding trade secrets and proprietary information which are the property of Fluid Components Intl FCI Disclosure of this data to you is expressly conditioned upon your assent that its use is limited to u...

Страница 2: ...l Publications Department expresses its pledge and mission to you our customer To support the creation and publication of world class technical material which is technically accurate and practical con...

Страница 3: ...e by facsimile if all possibilities have been exhausted with the authorized factory representative Our fax number is 1 760 736 6250 it is available 7 days a week 24 hours a day By E Mail FCI Customer...

Страница 4: ...291 Rev A v Model ST98 Flow Meter REVISIONS REV DESCRIPTION DATE AUTHOR INITIAL RELEASE 08 05 99 ROY SANDERS A See Change Bars Major changes are due to new 2 xx Software and Revised circuit boards to...

Страница 5: ...ment 2 3 Compression Fitting Mounting 2 3 NPT Pipe Thread Mounting 2 3 Flanged Ferrule Mounting 2 3 In Line Mounting 2 4 Install Flow Transmitter 2 4 Minimum Wire Size 2 5 Aluminum Enclosure Installat...

Страница 6: ...iew of the Sensing Element 1 1 Figure 1 2 Cut Away View of the In Line Flow Element Tube 1 2 Figure 2 1 Model ST98 Insertion Flow Element Showing Orientation 2 2 Figure 2 2 Model ST98 In Line Butt Wel...

Страница 7: ...Boards A 5 Figure A 11 Optional Display Ribbon Cable Conneciton A 5 Figure A 12 Remote Mounting Bracket A 5 Tables Table 1 1 Quick Start Menu 1 4 Table 2 1 Maximum AWG Number 2 5 Table 3 1 Quick Start...

Страница 8: ...he following symbols are used throughout the manual to draw attention to items or procedures that require special notice or care Caution Warns of possible personal danger to those handling the equipme...

Страница 9: ...on The flow element of the model ST98 uses the thermal dispersion operating principle A low powered heater produces a temperature differential between two resistance temperature detectors RTDs by heat...

Страница 10: ...d II Division 1 and 2 Group B C D E F G previously referred to as NEMA 7 and EEx d IIc resists the effects of weather and corrosion This is a 4 8 X 9 31 Inch Cylindrical Enclosure 121 8 X 236 47 mm In...

Страница 11: ...perating Temperature Control circuit Ambient temperature configuration 0 to 140 F 18 to 60 C Sensing element Standard temperature configuration 40 to 350 F 40 to 177 C Operating Pressure 0 to 250 psig...

Страница 12: ...EXITS COMMAND K F 1 0000000 CHANGE IT NO YES REINITIALIZES WITHOUT POWER DOWN EXITS COMMAND RESETS FC88 TO USE WITH ST98 EXITS COMMAND RESET IT TIME 0 0000000 EXITS COMMAND NO YES OUTPUT XXX CHANGE IT...

Страница 13: ...use of electrical current the operator assumes all responsibility for conformance to safety standards and practices Alert The instrument is not designed for weld in place applications Never weld to p...

Страница 14: ...as a tube or pipe length and diameter that is specified at the time of order This dimension should be double checked with the process line Verify Flow Direction for Flow Element Orientation and Placem...

Страница 15: ...into place Caution Be sure there is no pressure in the process line before the instrument is removed To remove the flow element loosen the nut Step 6 and unscrew the ferrule Step 2 NPT Pipe Thread Mo...

Страница 16: ...le NPT mount Threaded female NPT mount Raised face flange mount Butt Weld mount Figure 2 2 shows a Butt Weld 2 inch Schedule 40 pipe in line model ST98 Mount the in line Model ST98 as follows 1 Verify...

Страница 17: ...the power source and customer monitoring circuits Provide watertight hardware and apply thread sealant to all connections to prevent water damage 3 Connect the milliamp and or DC voltage output to the...

Страница 18: ...er way will decrease the accuracy of the instrument See Figure 2 4 for the wiring diagram Caution Be sure an earth ground wire is connected to the ground terminal see Figure 2 4 On a remote configurat...

Страница 19: ...element enclosure and the electronics enclosure 5 Strip the incoming power wires to approximately 5 16 of an inch 6 Attach the filter bead over the safety ground wire as shown in Figure 2 4 using 2 ca...

Страница 20: ...EMENT 3 4 INCH NPT PORT POWER INPUT OPTIONAL DISPLAY HOLD DOWN SCREWS 3 PLACES 3 4 INCH NPT PORT SIGNAL OUTPUT 7 Attach the power wires to Terminal Strip TS1 for AC or TS4 for DC as shown in Figure 2...

Страница 21: ...8 01 to connect the flow transmitter to a personal computer The Kit includes operation instructions and an adaptor for the RJ 12 to serial connection Connect one end of the interface kit to the RJ 12...

Страница 22: ...ompleted with all connections verified power and signal connection board assembly screwed down and the instrument ready to operate Be sure any external circuit breakers are on Remote Enclosure Bracket...

Страница 23: ...and stabilize 4 The instrument automatically enters the flow metering mode The instrument s display if present and or the FC88 display will show the normal operation Note If the FC88 does not display...

Страница 24: ...below Press the large letter in the Figure 3 1 to activate a command N Software Reset Re initializeinstrumentwithoutremovingpower O Select Sensor Heater Current HIGH 90 mA or LOW 75 mA P Re configure...

Страница 25: ...IALIZES WITHOUT POWER DOWN EXITS COMMAND RESETS FC88 TO USE WITH ST98 EXITS COMMAND RESET IT TIME 0 0000000 EXITS COMMAND NO YES OUTPUT XXX CHANGE IT 0 4 20 1 0 5 2 0 10 ENTER EXITS COMMAND NO YES ON...

Страница 26: ...est of the channels and will rotate back to channel 0 following the Channel 7 selection This command is useful in trouble shooting incorrectly wired instruments and open flow elements This is a view o...

Страница 27: ...temperature is entered Auto or Manual and Enter A or M are displayed Pressing A ENTER will display xxx xxxx Balancing Then Balanced will appear on line 1 and Saved xxx will appear on line 2 If M ENTER...

Страница 28: ...If N or Enter is pressed USER data is displayed If Y is pressed 1 USER Save followed by 2 FACTORY is displayed Pressing a 1 or 2 will cause the respective NVM data to be displayed Version X XX also d...

Страница 29: ...ing N ENTER will display Input mode Pressing Y ENTER will display Enter K F Press in the new K Factor Press ENTER The new factor is saved and Input mode is displayed COMMAND G EEPROM Summary For maint...

Страница 30: ...loaded at boot up if a new or cleared EEPROM is detected Section 2 consists of selecting the best curve fit equation in order to linearize the input signal The two Curve Fit selections are 0 2nd order...

Страница 31: ...Enter will go to the next prompt which is tcslp2 0 00000 Change it Pressing a Y ENTER will allow the user to input a new value a Pressing N ENTER or Enter will go to the next prompt which is Max Flow...

Страница 32: ...NTER at any time will exit this menu item and display Input mode COMMAND M Min Max A D Limits Summary Permits minimum and maximum limits to be imposed on the A D output data when calculating flow rate...

Страница 33: ...range 100 to 500 F MD is not available with early production units The LO and MD selections set up the proper over temperature and under temperature limits so the temperature error message indicates...

Страница 34: ...ational data from the User Save or FACTORY area of the EEPROM Calibration data is saved in the FACTORY area of the EEPROM with the factory calibration before the meter leaves FCI The factory data can...

Страница 35: ...e current totalizer values COMMAND V Output Mode Select Summary Permits the user to select one of the three 3 output modes Description Output mode menu selection Menu Setting mA Output V Output 0 4 20...

Страница 36: ...Volts or 0 10 Volts the output alarm is pulsed from zero 0 volts to one 1 volt about once every 7 seconds The voltage mode is not a NAMUR requirement The NAMUR Fault Detection system is enabled by th...

Страница 37: ...e F S Press Y ENTER and enter a new value or else press N ENTER or ENTER The next prompt is Zero x xxxxxx followed by Change it Press Y ENTER and enter a new value or else press N ENTER or ENTER The n...

Страница 38: ...nge it Press Y ENTER and enter a new value or else press N ENTER or ENTER The next prompt is Max xxx xxxxxx followed by Change F S Press Y ENTER and enter a new value or else press N ENTER or ENTER Th...

Страница 39: ...dically inspect cable connections on terminal strips and terminal blocks Verify that terminal connections are tight and physically sound with no sign of corrosion Remote Enclosure Verify that the mois...

Страница 40: ...e or Customer Service to purchase an FC88 or computer interface kit Digital Multimeter DMM Allen Wrench 1 16 Inch for aluminum circular enclosure Medium size flat blade Screwdriver for steel square en...

Страница 41: ...k the wiring see Appendix A and the sensor resistance as shown later in this chapter The process temperature has exceeded the maximum temperature rating of the flow element 350 F Verify the temperatur...

Страница 42: ...ign Requirements Application design problems may occur with first time application instruments although the design should also be checked on instruments that have been in operation for some time If th...

Страница 43: ...eets by serial number of the instrument 2 Press D ENTER to examine each of the parameters The ENTER key allows scrolling one message at a time Use Table 5 2 to verify parameters with the Delta R Data...

Страница 44: ...er to the instrument Unplug TS2 from the circuit board assembly and measure the resistances as shown in Table 5 3 See Figure 5 1 for component placement and Figure 5 2 for a view of the plug If the in...

Страница 45: ...r current is set to 75 mA LO by pressing O on the FC88 and selecting the heater current Be sure to set the heater current back to where it was before beginning this procedure Make the voltage measurem...

Страница 46: ...ecade Resistance Boxes 0 1 Largest Steps 1K Ohm Smallest Steps 0 01 Ohms 10 feet of wire 22 to 18 AWG Small Flat Blade Screwdrivers 3 32 and 1 8 inches wide blades Small Wire Cutters Small Wire Stripp...

Страница 47: ...ment Disconnect the output cable TS3 and connect a current meter to mA OUT Apply power to the instrument and go through the I routine to check the output locally If the mA output responds correctly th...

Страница 48: ...rn defective instrument to FCI freight prepaid for disposition Customer Service 1 In the event of problems or inquiries regarding the flowmeter please contact the regional or country authorized FCI Fi...

Страница 49: ...Type 4X and Hazardous Location Aluminum Enclosure Shown Figure A 2 Remote Aluminum Double Ended Enclosure NEMA 4X and Hazardous Location 4 68 119 LOCAL ENCLOSURE ALUMINUM STANDARD SST OPTIONAL FLOW EL...

Страница 50: ...FLUID COMPONENTS INTL APPENDIX A DRAWINGS Model ST98 Flow Meter A 2 Doc No 06EN003291 Rev A Figure A 3 Remote or Local Enclosure Carbon Steel...

Страница 51: ...3 Model ST98 Flow Meter APPENDIX A DRAWINGS FLUID COMPONENTS INTL Figure A 4 3 4 Inch Ferrule NPT Process Connection Figure A 5 3 4 Inch Ferrule NPT With Flange Process Connection Figure A 6 In Line F...

Страница 52: ...N 4 REF EXC 5 ACT EXC 6 HTR EXC 7 HTR RTN 8 BOARD ASSY P N 017749 TS2 SENSOR ELEMENT RTD GND 1 GND SEN 2 REF SEN 3 ACT SEN 4 REF EXC 5 ACT EXC 6 HTR EXC 7 HTR RTN 8 RTD GND 1 GND SEN 2 REF SEN 3 ACT S...

Страница 53: ...CUSTOMER CONNECTION BOARD HARD WIRED TO COMPONENT SIDE P N 017643 P4 P8 BOARD ASSY P N 017749 CUSTOMER CONNECTION BOARD HARD WIRED TO COMPONENT SIDE P N 017643 1 2 3 4 5 6 P5 P7 7 8 RED BLACK RED BLA...

Страница 54: ...53 518 23 883 010 20 974 572 63 1065 441 106 1155 607 22 885 148 21 976 693 64 1067 546 107 1157 695 21 887 285 22 978 814 65 1069 650 108 1159 783 20 889 421 23 980 934 66 1071 755 109 1161 870 19 89...

Страница 55: ...1421 079 278 1507 391 150 1247 082 193 1335 601 236 1423 101 279 1509 382 151 1249 151 194 1337 648 237 1425 122 280 1511 372 152 1251 219 195 1339 695 238 1427 142 281 1513 361 153 1253 287 196 1341...

Страница 56: ...19 313 1576 581 314 1578 542 315 1580 502 316 1582 462 317 1584 420 318 1586 378 319 1588 334 320 1590 290 321 1592 245 322 1594 198 323 1596 151 324 1598 103 325 1600 054 326 1602 004 327 1603 953 32...

Страница 57: ...ansmitter The portion of the flow meter that conditions converts and scales the flow element signal RefR The A D number corresponding to the reference RTD resistance RTD A Resistance Temperature Detec...

Страница 58: ...e for engineering units are as follows Tot A 1 after the Tot indicates the Totalizer is turned on A 0 after the Tot indicates the Totalizer is turned off Tottemp A 1 after the Tottemp indicates the To...

Страница 59: ...d when converting from mass to volumetric units M r Q M Mass Flow Rate r Density Q Volumetric Flow Rate Line size0 This field indicates the diameter of a round duct or the length of a rectangular duct...

Страница 60: ...s P RECONFIGURE THE FC88 UNIT Menu Function FC88 Reset Re configures the FC88 so it will function properly in conjunction with the ST98 R A D CALIBRATE RESISTANCE Menu Function A D Delta R The differe...

Страница 61: ...This function can be toggled on or off at this command Z FLOW UNITS SELECT Menu Function Flow Units Are Velocity Volume Mass English SFPS SCFM LLB HR Metric SMPS NCMH KG HR Max This is the maximum val...

Страница 62: ...ounds or extending more than four feet should be secured in wooden crates by bolting the sensing element assembly in place b Protect the sensing element with a cardboard tube or other sturdy wrapping...

Страница 63: ...r duplicate shipments made by FCI If any repair or return equipment is received at FCI freight collect without prior factory consent FCI bills the sender for these charges Field Service Procedures Fie...

Страница 64: ...edtoorcontactedbytheinstrument Furthermore I understandthatthisCertificate orprovidingaMSDS shallnotwaiveour responsibility to provide a neutralized decontaminated and clean product for repair to FCI...

Страница 65: ...ty for the purpose for which they are intended or used Should the Buyer receive defective goods as defined by this paragraph the Buyer shall notify the Seller immediately stating full particulars in s...

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