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Model AT868 AquaTransTM Ultrasonic Flow Transmitter for Water (1

1. Mounting Screws for Mounting Plate Model AT868 Electronics Console Assembly Front Cover and Inside Views Figure 7 1 Parts Replacement 7 7 February 2002 LCD Keypad Assembly Channel 1 Board EPROM 2 EM Mounting Screws for LCD Keypad Assembly also Standoffs for Channel 1 Board Screws for Plastic Shroud 000000000 1 amp ee Board 100 240 VAC 50 60 7 1 4 Figure 7 2 Model AT868 Electronics Console Assembly Side and Inside Views Parts Replacement 7 8 Chapter 8 Specifications General 8 1 Electrical Specifications 8 2 Transducer 8 4 Pipe Size and 8 5 Tilted Diameter 5 1 8 6 February 2002 Gene
2. xs PYREX pons Ruess FEFtN praes oo W260 oe sace Strate Casp On uenea 4 5 Figure 1 CHx ACTIV SYSTM PIPE and 1 0 Menu Menu Maps A 1 February 2002 Keypad Program only appears t TOTL diagnostic parameters appear here wu Addres
3. MASS DIAG all diagnostic parameters appear here Menu Maps for IDM February 2002 IDM Main Menu Meter Window Menu bata Hem _ Connect toa New hat SITE EDIT MENU CALIBRATION TEST Select an Existing instrument Scan Network tor hstruments PAUSE MEASUREMENT Preferences Dial Modem Hang Up Modem See F See Figure Sig Sep Advanced Features Press YES to Defaut ICTU I YES COR PEAK LM RESPONSE TIME NISI JUNDSPEED LIMIT 10 pm ELOGITY Low LIMIT i ELERATION LIMIT amm AMP DISCRIM LOW Peak Limit 4 EM DNE eei I 1 The Channel SETUP Menu Map 7 Figure F 3 ra ra SAMPLE size SS Table Motpie K Factors Mass Flow Sate Gode Langin KVISS pairs Activate Muni K Fact Mass trom Static Dens Xmit Code Lengh Sig Stengins YES YES Cod
4. 2 12 Entering the Zero Cutoff Value 2 12 Entering Setup Data CHx SETUP 2 13 Set Transducer Signal Settings 5 2 13 Setting Response Time 2 16 Initializing Setup Parameters 2 17 Using Advanced Features 2 17 2002 Table of Contents cont Chapter 2 Programming Site Data cont Entering Global System Data 5 2 22 Setting Up the Inputs and Outputs 2 25 Selecting Error Handling ERROR 2 25 Setting Up Analog and Totalizer Frequency Outputs 2 28 Configuring the Communications Port 2 32 Configuring the Output as a Totalizer or Frequency 2 33 Chapter 3 Displaying Data IntrOdUCti esa e 3 1 Adjusting LCD Contr
5. 7 6 8 Clamp on Transducer 2 6 9 Chapter 7 Parts Replacement ee qf ep aed 7 1 Replacing the LCD 7 2 Replacing cui Bite BE BES eee ee ee 7 3 Replacing User 1 7 4 Chapter 8 Specifications General Specifications ma nt a bee Re ik he RA eI RR RU 8 1 Electrical Specifications 2 31 ere WI eis UP RO belge dag dde oet 8 2 Transducer Specifications i eet le ee 8 4 PipeSiz e and nee ta dv 8 5 Tilted Diameter SpoolpieCe soe Eee READER 8 6 Appendix A Menu Maps The CHx ACTIV SYSTM PIPE and I O Menu 1 The GLOBL Menu Map ERE ERA EX e A 2 Th CHXSSETUP Mernu mes E ene edad ed Mop iie A 3 The CALIB and RESET Menu 2 4 Indio PE B 1 EMC Compliance six UE eet ter eR Ee ERAT Ro it eR B 1 LVD Compliance sicak eee cee eee REMISE ee UE B 2 Appendix C Dat
6. Test Pause Measurement and Clear Totali B or D Frequency ANALOG OUTPUT puse 4 ATEST EXIT 9 s Ful Soa FREQUENCY CALIBRATING 2 nj DOWN o gt o p 5 i Menu Maps for IDM F 4 February 2002 Index A D Activating a 1 2 2 1 Advanced 2 17 Default Setup 2 17 Alarms Option Card Pin Assignments 1 15 6 2 Ammeter Connections 4 1 Diagnostics Amplitude Error 5 5 2 ate ets ok 6 1 Analog Outputs Service Record E 1 Calibrating oz RE Res 4 1 Table of E 3 Connecting usos etre 1 8 Display Error esee tte uet A 5 3 Error 5 1 Lan anty RR es 4 3 4 4 Liquid Crystal Display 7 2 Menu 2 2 1 2 Replacing 7 2 Pin 1 15 See Also Liquid Crystal Display Resolution 4 1 Displaying Data 3 1 Setting
7. ris 8 1 6 7 6 8 8 4 8 5 Pipe Lining 2 9 Static Density Entering 2 20 Pipe Material Entering Act dp ce obses p anh 2 2 Pipe OD Entering 2 8 Step Change Pipe Parameters 2 5 Set 2 16 Potentiometer Adjustments SYSTEM Global 2 22 CONT and 3 1 Power T Connecting rs iq e a 1 5 Terminal Block Terminal Block E EEAS 1 15 Analog Outputs 1 15 Printed Circuit Board fa Ans err Ra Glow 1 15 Problems 6 8 Serial Port 232 1 15 Transducers 2 1 15 R Testing Analog Output Linearity 4 3 4 4 Replacing Testing Analog Outputs 4 2 See Dart Nam Testing Totalizer Frequency Outputs 4 4 4 5 Resetting 3 3 Theta3 6 2 Response 2 6 Tetalizer Overflow Error 9 5 3 Restarting 3 4 Totalizer Frequency Option Card Reynolds Correction Entering 2 10 Pin
8. 2 32 Installation 1 2 Contrast and Brightness Adjusting 3 1 1 4 1 14 Corrosion Transducers 6 8 EPROM Cycle Skip Acceleration Error 5 3 Replacing 7 4 User Progra 7 4 Index 2002 Index cont E cont Error Code Initializing Setup Paramaters 2 17 EQ oui Bas 5 1 Input 1 5 El ENS 5 1 Instrument Data Manager IDM 2 32 E10 unassigned 5 3 Using to Configure Totalizer or Frequency E11 5 3 Sitar eet e ore bet 2 33 E12 unassigned 5 3 PD Aes 5 3 K atest valentin doa 5 2 Factors Entering 2 19 2 20 ES pee Red Vikas 5 2 ERE ER An 6 2 os reor 5 2 Kinematic Viscosity Input Selecting 2 11 ar Rae ee 5 2 KV Input Selection Selecting 2 11 6 3 3 55 Table Entering 2 18 EJ cer e pL 5 3 E8 unassigned 5 3 L unassigned 5 3 Dimension Measuring D 1 Error Handling LCD Selec
9. amp rici yore eon n odes 5 1 EQ NO sitesi iittala 5 1 Elbow ne 5 1 E2 Sound Speed 2 24 2 5 2 Velocity 5 2 E4 Signal Quality ic ccs sec gee se ewan ae aw Wa a a a 5 2 ES Amplitude Errors is daa a 3o a 5 2 Cycle Skip Accel s ivi iis EN EG ES 5 3 E7 Analog Out 5 3 Unassigned cool do a d eye ey Ee Ea 5 3 E9 Totalizer Overflow 5 3 E10 cues id uo dos dic ca eode aie a et 5 3 wx sva vata xac e aos 5 3 E12 Unassligned a 5 3 E13 Volumetric Overflow 5 3 February 2002 Introduction EO No Error E1 Low Signal The Model AT868 ultrasonic flowmeter 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 the transducers or the flowcell a built in error code message system greatly simplifies the troubleshooting process of the possible Model AT86
10. 6 9 Problems ite 3 E RE 6 8 6 9 6 10 Signal Settings 2 13 Spacing 2 12 Special Entering Number 2 5 2 6 8 4 8 5 Transmitter Code Length Selecting 2 21 Traverses Entering Number 2 12 Two Path Error Handling 2 25 U Unpacking 4 ere eaves cane hk esses 1 2 MJP Peak 2 RR eR es 6 3 Amp 6 2 UP Norm 6 3 UP Signal aussehen 6 2 UP Signal 6 2 UP Transit oe oer anda RR RS 6 2 User Program Data Record C 1 obe RR cS 7 4 c RR REIS ERE 7 4 4 Index DECLARATION CONFORMITY m PANAMETRICS Panametrics Limited Shannon Industrial Estate Shannon Co Clare Ireland declare under our sole responsibility that the 868 AquaTrans Ultrasonic Flow Transmitter to which this declaration relates is in conformity with the following standards EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 following the provisions of 89 336 EEC EMC Directive and 73 23 EEC Low Voltage Directive Shannon August 1 2001 T amp o Mr James Gibson GENERAL MANAGER nsa CE lt gt
11. A 1 F 1 1 1 pecu 3 F 3 1 3 G A 1 F 1 1 1 General Specifications 8 1 System Global 2 F 2 1 2 Totalizer Frequency Output A 2 F 2 1 2 Multiple K Factors Entering 2 19 2 20 2 Index February 2002 Index cont N S No 0 5 1 Serial Port Number of Traverses Entering 2 12 Cable for 5232 1 10 Connecting 5485 1 11 Connecting 5232 1 10 2 2 1 2 Outputs Pin 1 15 Analog l 8 Serial Port Setting 2 32 See Totalizer Frequency Output l 9 1 SETUP uie rper 2 13 P Signal Quality 4 5 2 P Dimension Measuring pd 5 2 13 Path Length Soundspeed Enteting i xo x Seb Ete ANN 2 8 Error 2 ne 5 2 Measuring m D 1 H id eu 6 7 Pause 3 4 Special Transducers Entering Number2 5 2 6 PEAK site haces ES 6 2 Specifications Pipe 8 2 Measurement 6 7
12. 1 9 Winne th Serial il iuste ttt er maet erp rd DR 1 10 Wiring the External Totalizer Reset 5 1 14 Whats Next i o IR ee GREG ERR e Se ba e RR ea RR DRE 1 14 Chapter 2 Programming Site Data Inttod ction i esu eR Et e CRURA AUN I ERO RE Roda eoe 42 2 1 Activating a Channel Path 2 2 Entering System Data for a Channel Path 5 5 2 3 Entering Transducer and Pipe Parameters CHx PIBE 2 5 Special Transd cets ex b REX TR 2 5 Special Clamp On Transducers 2 6 Pipe Material eee Gd breed redo 2 7 Pipe Outside Diameter So eee eels 2 6 Path and Axial Lengths Be en Re aR 2 8 PEM chp 2 9 Setting Up Tracking 2 9 Fluid 2 10 Reynolds EE EE ha p M Is 2 10 KV Input S lection emt eR MUR ses e eet e e 2 11 Number of Traverses and Transducer
13. 100 240 50 60HZ 1 4 UI Du Figure 3 1 Location of CONT and BKLT Potentiometers Displaying Data 3 1 February 2002 Adjusting LCD Contrast and Brightness count Setting Up the Display 4 Readjust the BKLT control as desired 5 Replace the front cover on the 868 and secure it in place with the set screws Complete the following instructions to display the desired data on the display screen refer to Figure A 2 on page A 2 in Appendix A Menu Maps Accessing the Display Submenu 1 Press ESC ENTER ESC The meter enters the user program Press until PROG appears and press ENTER 2 3 Press until GLOBL appears and press ENTER 4 Press until I O appears and press ENTER 5 Press until LCD appears and press ENTER Configuring the Display 1 At of LCD PARAMS press to select the desired number of parameters to be sequentially displayed and press ENTER For 1 channel path AT868 proceed to Step 3 For 2 channel path meter proceed to Step 2 2 Press gt to select the desired channel path option and press ENTER 3 At Measurement Name press to select the desir
14. 1 15 Reynolds Number Diagnostic 6 2 Totalizer Frequency Output RS232 Port 2 33 See Serial Port Connecting veloci 1 9 RS485 Port Setting Up HORAE ERROR S RON M ERE 2 29 See Serial Port Testhg ni e AREE bee 4 4 4 5 Index 3 2002 Index cont T cont V Totals 3 3 2 16 Tracking Window Velocity Range Error 5 2 2 0 Voltage Input 1 5 WSIS tesa ngu 6 1 6 4 Volumetric Overflow Error E13 5 3 Transducers Axial D 1 W 56s Le HE 1 3 i C OfTOSIOTL sie Sealey hh pee lent eae oe 6 g Wiring Cycle 8 6 10 CE Mark Compliance Entering 2 12 Electrical Connections 1 4 Installation 1 D 1 Internal Damage 6 8 6 9 Z Gig 6 8 ZERO Cutoff Value Entering 2 49 Location Eus 1 2 Misalignment 6 9 Path D 1 Physical Damage 6 9 Pin 1 15 Placement 6 7 Poor
15. NUNCA Pipe Outside Diameter The programming sequence should be rejoined here for all transducers 1 Press to move the cursor to the outside diameter units and press T and J to select the desired units and press ENTER 2 Enter the known pipe outside diameter or circumferences by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER 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 manual 914 004 3 Enter the know thickness of the pipe wall by using the arrow keys Press lt and gt to move the cursor to desired location and press and J to increase or decrease the number and press ENTER If the pipe wall thickness is not available look up the value in a table of standard pipe size data which can be found in Sound Speeds and Pipe Size Data manual 914 004 4 Do one of the following wetted transducers proceed to Path and Axial Length below clamp on transducers proceed to Lining on the next page Path and Axial Length 1 Enter the path length of the ultrasonic signal 2 Select the desired units and press ENTER Note spoolpiece was ordered with the meter the transducer si
16. LS ENISO9002 T V ESSEN Shannon ISO 9001 CERT DOC Rev F 7 19 01 DECLARATION DE CONFORMITE m PANAMETRICS Panametrics Limited Shannon Industrial Estate Shannon Co Clare Ireland d clarons sous notre propre responsabilit que le AT868 AquaTrans Ultrasonic Flow Transmitter r latif cette d claration est en conformit avec les documents suivants EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 suivant les r gles de la Directive de Compatibilit Electromagn tique 89 336 EEC et de la Directive Basse Tension 73 23 EEC Shannon August 1 2001 T amp o Mr James Gibson GENERAL MANAGER nsa LS EN 1509008 T V ESSEN Shannon ISO 9001 CERT DOC Rev F 7 19 01 KONFORMITATSERKLARUNG Ss PANAMETRICS Panametrics Limited Shannon Industrial Estate Shannon Co Clare Ireland erkl ren in alleiniger Verantwortung das Produkt AT868 AquaTrans Ultrasonic Flow Transmitter folgende Normen erf llt EN 61326 1998 Class A Annex A Continuous Unmonitored Operation EN 61010 1 1993 A2 1995 Overvoltage Category II Pollution Degree 2 gem den Europ ischen Richtlinien Niederspannungsrichtlinie Nr 73 23 EWG und EMV Richtlinie Nr 89 336 EWG Shannon August 1 2001 T ae o Mr James Gibson GENERAL MANAGER nsa CE lt gt LS ENISO9002 T V ESSEN Shan
17. Press lt and to select whether to activate or deactivate the Reynolds Correction Factor and press ENTER Note Typically Reynolds Correction is set to active 2 Do one of the following f you selected OFF enter the Calibration Factor and press ENTER Then proceed to one of the following sections For Clamp on Transducers proceed to Number of Traverses and Transducer Spacing on page 2 12 For Wetted Transducers The meter returns to the Channel PROGRAM window At this point you can proceed programming in this submenu as desired To leave the Channel PROGRAM window press ESC three times To complete setting up the meter you must enter data in the GLOBL SYSTM submenu as described on page 2 22 f you selected ACTIV proceed to KV Input Selection on the next page Programming Site Data February 2002 Hu NN NEN KV Input Selection 1 Press lt and gt to enter a static kinematic viscosity or a table of values and press ENTER 2 of the following f you selected Table enter the Calibration Factor by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER Note The values in the KV SS table can be edited as described Entering KV SS Table on page 2 18 Ifyou selected STATC the AT868 will select and automatically display th
18. BAUD RATE 00 4800 LCD PARAMS OFF s set up SUM DIF Measurement MASS DIAG al diagnostic parameters appear her appear SUM AVE Frequene TOTL Tal diagnostic parameters appear here MASS MASS The GLOBL Menu Map Figure A 2 Menu Maps 2 February 2002 Program press 888 3 Fassa Deum 1 MP DISCRIM HIGH T AMP DISCRIM HIGH pef 2 RESPONSE TIME Press YES to Detaut YES Det dose Tol KVISS pairs Sig Strength Kin Viscosity Activate Muti Mass Static YES YES Repeats for tof
19. PERSE ERU GR idus 5 2 Amplit de Error 5 BIG 5 2 E6 Cycle Skip Accel ovine do eet cese Matty iad 5 3 E Out Error eoe ERR uy tac 5 3 FS Unassigned X LSU EA nes ee 5 3 E9 Totahzet Overflow re Ce be oe 5 3 10 e m 5 3 E11 Unassigned 2r P EE pe me PEEL OER ee 5 3 E12 Unassigned oirnne ie e o a EAA ID EU eR UR ERI UA RR ERR TERR UT 5 3 E13 Volumetric 1 1 5 3 February 2002 HERE 2 Table of Contents cont Chapter 6 Diagnostics Introduction soon deep fice 6 1 Displaying Diagnostic 6 1 Using the Tracking Window 6 4 Diagnostic IO EE ERR Uia ere 6 5 Flowcell Problems end cert RR Ub ys tte de VIP 6 6 Fluid Problems is eased eee m en Ret etate e 6 6 Pipe Problems 22 4 EDT E Re Ww ETE EE ES 6 7 Transducer Problems 5 t ep SEE MENU CERO UH REC YR Re n 6 8 Wetted Transducer Problems
20. 200 to 260 C Pressure Range Standard 0 to 3 000 psig 0 1013 to 20 MPa Optional Higher pressures available on request Frequency Standard 1 MHz 1 in process connection or 2 MHz 3 8 in process connection Optional 500 kHz or 4 MHz Materials Standard 316 SS Optional for isolating PanAdapta Plugs Titanium Hastelloy Monel CPVC PVDF and others Conduit Connections 1 in NPTM or 3 8 in NPTM Process Connections Standard 1 in NPTM or 3 8 in NPTM Optional RF flanged socket weld fuse bond amp others Mounting Spoolpiece hot tap or cold tap Housing Standard None splashproof Optional Explosion proof Div 1 Class 1 Group C amp D INIEX Certified EEx d IIC T6 or weatherproof NEMA 4 IP65 Other Options Transducers for special applications fixtures no organic bonds or insulators cooling jackets for high temperatures Please consult Panametrics for details 8 4 Specifications February 2002 Transducer Specifications cont Clamp on Transducers Pipe Size and Materials Wetted Transducers Clamp on Transducers Type Shear wave or longitudinal wave Temperature Range Standard 40 to 2129F 40 to 100 C Optional overall range 328 to 500 F 200 to 260 C Frequency Standard MHz Optional 500 MHz 2 MHz or 4 MHz Mounting SS chain or strap welded or magnetic slide track mounting fixtures Housing Standard None splashproo
21. panametrics fr Germany Panametrics GmbH Mess und Pruftechnik Robert Bosch StraBe 20a 65719 Hofheim Germany Telephone 49 6122 8090 Fax 49 6122 8147 E mail panametrics t online de Italy Panametrics S r l Via Feltre 19 A 20132 Milano Italy Telephone 02 2642131 Fax 02 26414454 E mail info panametrics it Japan Panametrics Japan Co Ltd 2F Sumitomo Bldg 5 41 10 Koishikawa Bunkyo Ku Tokyo 112 0002 Japan Telephone 81 03 5802 8701 Fax 81 03 5802 8706 E mail pci panametrics co jp Korea Panametrics Korea Ltd Kangnam Box 1902 Seoul Korea Telephone 82 2 555 4611 Fax 82 2 556 4351 E mail soback kornet nm kr Spain Panametrics Instumentaci n S L Santa Hortensia 15 28002 Madrid Spain Telephone 34 91 515 59 60 Fax 34 91 515 59 63 E mail info panametrics infonegocio com Sweden Panametrics AB Box 160 5147 23 Tumba Sweden Telephone 46 0 8 530 685 00 Fax 46 0 8 530 357 57 E mail pana panametrics se Taiwan Panametrics Exim Ltd 8F No 251 Min Hwa Road Ku Shan District Kaohsiung Taiwan Telephone 886 7 552 5498 Fax 886 7 552 3596 E mail panaexim ms11 hinet net United Kingdom Panametrics UK Limited Unit 2 Villiers Court 40 Upper Mulgrave Road Cheam Surrey SM2 7AJ England Telephone 020 8643 5150 Fax 020 8643 4225 E mail uksales panametrics ie
22. 2 28 Adjusting Contrast and Brightness 3 1 4 Bea hoe ee 4 1 6 1 Axial Dimension Measuring D 1 Pausing and Restarting the Measurement 3 4 Axial Length Entering 2 8 DN gt Peak ee e 6 3 DN Amp 6 3 B DN Norm 6 3 DN Signal ete 6 2 Backlight DN Signal 6 2 See Brightness and Contrast DN Transit oncle REIR LEN aged 6 2 Brightness and Contrast Adjusting 3 1 Electrical Connections 1 4 Cable Ammeter Connections 4 1 RS232 1 10 Analog 1 8 Transducers P TRUE 1 3 CE Mark B 1 Calibrating Line Power en eR eerta 1 5 See Also Parameter Name RS232 Serial 1 10 Calibration scans og 4 1 RS485 1 11 I SEAS 4 F4 Totalizer Frequency Output 1 9 CE Mark B l Electrical 8 2 CEEL Channel Activating 2 2 Description 1 2 Code Length Selecting 221 Electrical Connections 1 4
23. Introduction The Model AT868 flow transmitter is equipped with a Liquid Crystal Display LCD it may be programmed to display up to four variables in sequence To ease viewing both the brightness and the contrast of the LCD may be adjusted In addition this section discusses resetting totalizers and pausing the measurement Adjusting LCD Both the contrast and the brightness of the LCD may be adjusted to Contrast and suit individual needs The ModelAT868 has two adjustment Brightness potentiometer located on the LCD circuit board see Figure 3 1 below Using these pots for the LCD adjustment complete the following steps 1 Loosen the six set screws to remove the front cover 2 With power still applied to the meter carefully use a small screwdriver to adjust the LCD brightness Turning the BKLT backlight pot fully clockwise yields maximum brightness 3 In a similar manner adjust the CONT contrast pot to set the LCD contrast as desired At either extreme of the CONT pot the display is unreadable turn the pot fully counterclockwise and then turn it clockwise very slowly until the display is clear CONT Potentiometer BKLT Potentiometer EE REG 1 AOUT 1 COMMUNICATION l DIR CTS COM XIX
24. directly accessible and located within 1 8 m 6 ft of the Model AT866 Use Figure 7 1 on page 7 7 and Figure 7 2 on page 7 8 to locate the relevant components while completing the service procedures discussed in this chapter IMPORTANT Keep a detailed record of all parts installations and replacements performed on the 868 in Appendix E Service Record This service history may prove very helpful in diagnosing any future problems Parts Replacement February 2002 Replacing the LCD Display Keypad The LCD display keypad assembly normally provides years of dependable service but it is easily field replaceable when necessary To replace the LCD display keypad see Figure 7 1 on page 7 7 and Figure 7 2 on page 7 8 for the component locations and complete the following steps Procedure for Removing LCD Keypad Board 1 Disconnect the power to 868 and move the electronics enclosure to a flat service IWARNING The main power to the Model AT868 must be disconnected before proceeding Loosen the six set screws on the front cover Remove the front cover Remove the four mounting screws the LCD keypad board Make sure you remove the flat and lock washers with the screws Grasp the LCD keypad board by the side edges and carefully pull it straight upward until it comes free from the Channel 1 board below it Disconnect the keypad ribbon on the board below by sliding the tabs on the connec
25. program 2 Press until PROG appears and press ENTER 3 Press until GLOBL appears and press ENTER 4 Press until I O appears and press ENTER 5 Press until LCD appears and press ENTER Configuring the Display 1 At of LCD PARAMS press 7 to select the desired number of parameters to be sequentially displayed and press ENTER For 1 channel path AT868 proceed to Step 3 For a 2 channel path meter proceed to Step 2 Note f you select OFF the meter returns to the Global l O window Proceed to What s Next on the following 2 Press gt to select the desired channel path option and press ENTER 3 At Measurement Name press to select the desired parameter refer to Table 6 1 on the next page for a list of available diagnostic parameters and press ENTER Diagnostics 6 1 February 2002 Displaying Diagnostic Parameters cont Chapter 2 Programming Site Data Note The measurement units that appear in these prompts are those selected in the GLOBL SYSTM menu as described in The previous two prompts repeat until all of the specified of LCD PARAMS have been set up Proceed to What s Next on the following page Table 6 1 Available Diagnostic Paramete rs Description SS up Displays the signal strength for the 50 75 50 or gt 75 upstream transducer SS do Displays the signal strength for the down 50 75 lt 50 gt 7
26. repeat the low and high end calibrations If the analog output still does not pass the linearity test contact the factory for assistance 4 Repeat Step 2 but enter a different output 0 100965 Check the ammeter reading at this setting and press ENTER when done Table 4 1 Expected Ammeter Readings Full Scale 4 20 mA Scale 0 20 mA Scale all ammeter readings should be 0 005 mA Calibration 4 3 February 2002 Testing the Output Linearity cont Testing the Totalizer Frequency Outputs What s Next After completing the above steps the meter returns to the ANALOG OUTPUT window Do one of the following To perform another programming function refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times Preparing for Calibration Prepare for the testing procedure by connecting a frequency counter to the appropriate terminal blocks Refer to Figure 1 4 on page 1 15 Note Analog outputs 1 and 2 in the wiring diagram correspond to analog outputs B and D in the AT866 software Calibrating the Frequency Output 1 Press ESC ENTER ESC The meter enters the user program Press until CALIB appears and press ENTER Press until SLOTO appears and press ENTER Press until B or D appears and press ENTER Ro Ww N Enter the frequency by using the arrow keys Press lt and gt
27. the user program returns to the SET UP window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times Programming Site Data February 2002 Initializing Setup Parameters INIT Using Advanced Features ADVAN Use this option to initialize reset all of the parameters within the SET UP menu back to their default values Complete the following steps to reset all of the parameters 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until SETUP appears and press ENTER 5 Press until INIT appears and press ENTER 6 Select YES or NO What s Next After completing the above steps the user program returns to the SET UP window Do one of the following To continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times This option enables you to access the more advanced features of the meter In this option you can do the following KV SS calculate the kinematic viscosity KV based on signal strength SS refer to the next page MULTK enter a table of K factors based on velocity or reynolds number that compensates for non linear flow
28. 100 or stream transducer gt 2300 NFup Displays the normalization factor for the 0 85 1 0 lt 0 85 upstream transducer NFdn Displays the normalization factor for the 0 85 1 0 lt 0 85 downstream transducer Displays speed of sound in the trans N A N A ducer clamp on only What s Next After completing the above steps the meter returns to the Global I O window Do one of the following To perform another programming function refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times After leaving the User Program the AT868 will reset itself and will begin to display the parameters specified in this section If more than one parameter was set up each of the parameters will be displayed in sequence with a pause of several seconds between display changes Diagnostics 6 3 2002 Using the Tracking Window If the fluid sound speed is fairly constant you can use the Tracking Window to find the sound speed and then enter it rather than constantly track it since tracking adds to the measurement time Use the procedure below to determine the fluid sound speed and enter it into the meter Note n order to perform the steps below you must activate the Tracking Window as described in Section 2 Setting Up the Tracking Window on page 2 9 Accessing the Display submenu 1 Allow the 868 to run for a fe
29. 2 4 and Table 2 5 on the following page for a description of error handling options available and how the totalizers and display responds to them for a 1 and 2 channel path meter Programming Site Data 2 25 February 2002 Selecting Error Handling ERROR cont Table 2 4 Error Options and Responses for a 1 Channel Meter Option Output Response Totalizer Response Hold Last Holds the last good reading Holds the last good reading and continues to totalize based on that reading Value Forces the outputs to the low set point Stops totalizing Forces the outputs to the high set point Stops totalizing Forces the outputs 10 above the high set point Stops totalizing Table 2 5 Error Options and Responses for a 2 Channel Path Meter Totalizer Response When Error Handling is LOW HIGH Response HOLD HHIGH Holds last Holds last good Stops totalizing good reading reading and continues to totalize based on that good reading Display When Measuring CH1 or CH2 vel vol etc Adds two channels paths using the last good reading Holds last good reading and continues to totalize based on two channels paths Stops totalizing if either or both channels paths go into error Subtracts two channels paths using the last good reading Holds last good reading and continues to total
30. 4 Strip 1 4 in of insulation from the end of each of the three line power leads Installation 1 5 February 2002 Wiring the Line Power 5 Route the cable through the conduit hole and connect the line cont power leads to the power terminal block as shown in Figure 1 4 on page 1 16 6 Leaving a bit of slack secure the power line with the cable clamp Caution The transducers must be properly wired before applying power to the meter 7 Do one of the following Proceed to the next section to continue wiring the Model AT868 flow transmitter Reinstall the plastic shroud replace the front cover on the enclosure and tighten the screws 1 6 Installation February 2002 Wiring the Transducers WARNING Before connecting the transducers discharge any static buildup by shorting the center conductor of the transducer cables to the metal shield on the cable connector Note For transducer frequencies below 2 MHz the cable lengths must be within 4 in 10 cm of each other If the transducer frequency exceeds 2 MHz the cable lengths must be within 0 5 in 1 25 cm of each other 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Locate the transducer cables and connect them to the two CHI transducers Feed the free ends of the cables through the selected conduit hole in the electronics enclosure 3 If an optional lightening protector is being
31. Flow Mass Flow Mass Flow Time Mass Flow Time MDOT Dec Dig MDOT Dec Dig Mass Totals Mass Totals Mass Dec Digits Mass Dec Digits Inot available for 1 Channel meter Site Message for 1 Channel meter Data Records C 1 February 2002 Table C 1 Site Data cont Channel 1 Channel 2 if applicable SPEC Trans Type STD SPEC Transducer Trans Type STD Transducer Special Transducers Special Transducers Wedge Type Rayl Shear Wettd Wedge Type Rayl Shear Frequency Hz Frequency Hz Trans Tw Trans Tw Wedge Angle Wedge Angle Wedge Sndspd Wedge Sndspd Pipe Material Pipe Material Clamp On and Wetted Transducers Clamp On and Wetted Transducers Pipe O D Pipe O D Pipe Wall Pipe Wall Path Length P Path Length P Axial Length L Axial Length L Lining Yes No Lining Yes No 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 of Water of Water 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 Channelx Input Output Zero
32. Port The Model AT868 flow transmitter is equipped with a built in serial communications port The standard port is an RS232 interface but an optional RS485 interface is available upon request Proceed to the appropriate sub section for wiring instructions For more information on serial communications refer to the EJA RS Serial Communications Manual 916 054 Wiring the RS232 Use the serial port to connect the Model AT868 flow transmitter to a Interface printer 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 1 below to construct a suitable cable for connecting the Model 868 to the external device If desired an appropriate cable may be purchased from Panametrics Table 1 1 RS232 Connection to DCE or DTE Device Colors for Panametrics COMMUNICATION Cable flying Signal TB leads Description DTR Data Terminal Ready CTS Clear to Send COM Ground RX Receive TX Transmit For standard Panametrics cables 704 659 660 661 and 662 Note Signal names that imply direction e g transmit and receive are named from the point of view of the DTE device the Panametrics meter is usually considered the DTE device When
33. and press ENTER 5 Press until SIGNL appears and press ENTER 6 Use Table 2 3 on the next page to enter the desired values Enter or select a value using the arrow keys and press ENTER Programming Site Data 2 13 February 2002 2 Set Transducer Signal Settings SIGNL cont Table 2 3 Transducer Signal Settings Transducer Signal Default Parameters Range Value Miscellaneous Information Signal Low 20to 100 40 The E1 LOW SIGNAL error message appears when Limit the signal strength falls below the programmed SIG NAL LOW LIMIT value See Chapter 5 Error Codes for a discussion of error codes Correlation 0 to 500 100 The E4 SIGNAL QUALITY error message appears Peak Limit when the signal quality falls below the programmed COR PEAK LIMIT value See Chapter 5 Error Codes for a discussion of error codes Soundspeed 1 to 50 2096 The E2 SOUNDSPEED error message appears when Limit the calculated fluid sound speed differs from the fluid sound speed entered in the Channelx System menu by more than the programmed SOUNDSPEED LIMIT value See Chapter 5 Error Codes for a discussion of error codes Velocity Low 328 to 328 40 0 ft sec The VELOCITY RANGE error messages appears Limit ft sec 100 12 m sec when the calculated fluid velocity is
34. as shown in Figure 4 1 below DO NOT connect the ammeter directly across the terminals Refer to Figure 1 4 on page 1 15 for the locations of the analog outputs terminal blocks Note Analog outputs 1 and 2 in the wiring diagram correspond to analog outputs and in the 868 software FREQ AOUT1 Figure 4 1 Ammeter Connection Calibration 4 1 February 2002 Calibrating and Testing Accessing the Calibration Menu the Analog Outputs cont 1 2 3 4 Press ESC ENTER ESC The meter enters the user program Press until CALIB appears and press ENTER Press until SLOTO appears and press ENTER Press until or C appears and press ENTER Calibrating the Low End of the Analog Output 1 2 Press to select 4 mA and press ENTER Press to select UP or DOWN to adjust 4 mA reading and press ENTER When the desired reading is achieved select STORE If the ammeter reading cannot be adjusted with 5 0 WA of the 4 mA setting select to end calibration and contact the factory for assistance Calibrating the High End of the Analog Output Press to select 20 mA and press ENTER Press to view the options to adjust the 20 mA reading and press ENTER When the desired reading is achieved select STORE If the ammeter reading cannot be adj
35. cable glands if necessary 5 From the cutout on the back of the mounting plate pull the plastic cover off the fuse holder and remove the old fuse 6 Obtain a new fuse of the same rating and type Use only a type 1 1 4 x 1 4 Slo Blo fuse having a rating as indicated in Table 7 1 below Table 7 1 Line Voltages amp Fuse Ratings Line Voltage Fuse Rating 7 Press the new fuse into the fuse holder and reinstall the plastic fuse cover 8 Be sure to record the fuse replacement in Appendix E Service Record 9 Place the mounting plate and replace the four screws Tighten cables and cable glands 10 Replace the cover and secure the six set screws IWARNING Before powering up the AT868 make sure all the lock washers have been replaced Washers or other metal components left inside the enclosure may cause electrical problems Parts Replacement 7 8 February 2002 Replacing User Program The Model AT868 s User Program is stored on an erasable programmable read only memory EPROM chip The EPROM which is designated as component U4 is mounted in a socket on the rear of the Channel 1 board EPROM replacement may be required to replace a defective chip or to upgrade to a newer software version To replace the User Program refer to Figure 7 1 on page 7 7 and Figure 7 2 on page 7 8 and complete the following steps Accessing the EPROM 1 Disconnect the power to 868 and move the electro
36. installed connect it between the meter and the transducers 4 Refer to the wiring diagram in Figure 1 4 on page 1 16 and connect the transducer cables to the terminal block labeled DN and UP for Channel 1 Then secure the cable clamp Note The RED cable leads are the SIG leads and the BLACK cable leads are the RTN leads IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 5 For a 2 Channel path AT868 repeat steps 2 4 to connect the CH2 transducers to DN and UP terminal block for Channel 2 It is not required that both channels paths of a 2 Channel unit be connected Note The 868 uses two channels or paths to make more accurate flow measurement by averaging subtracting or adding the channels paths together 6 Doone of the following Proceed to the next section to continue wiring the Model AT868 flow transmitter Reinstall the plastic shroud replace the front cover on the enclosure and tighten the screws Note A channel must be activated before it can begin taking measurements See Chapter 2 Programming Site Data for instructions Installation 1 7 February 2002 Wiring the Standard The Model AT868 flow transmitter has one isolated 0 4 20 mA 0 4 20 mA Analog analog output per channel des
37. pairs entered previously Enter in ascending table YES Enter Factors Reynolds elec Repeat tor the of K Factors entered previously Figure A 3 The CHx SETUP Menu Map ode Length Menu Maps February 2002 To enter the User Program press ESC ENTER ESC Keypad Program PROG CALIB RESET 9010 Outputs RESET TOTALS N YES Totals are NOT Reset Totals are Reset ANALOG 0 UTPUT BorD Frequency Totaizer The CALIB and RESET Menu Map Menu Maps X oF PULSES 4mA 5 4 e 3 S CALIBRATING DOWN 4 CE Mark Compliance Introduction os sts ots rivis sts Compliance 5555 EE eet February 2002 Y Introduction For CE Mark compliance the Model AT868 flow transmitter must meet both the EMC and LVD directives IMPORTANT CE Mark compliance is required only for units intended for use in EEC count
38. the INMAC converter is not necessary Refer to one of the following sections to wire the unit Wiring the Serial Interface Using the INMAC Converter see below Wiring the Factory Configured Serial Interface see the next page Wiring the Serial Interface Using the INMAC Converter To wire the RS485 serial port refer to Figure 1 4 on page 1 16 and complete the following steps 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Feed one end of the cable through the conduit hole and wire the leads to the COMMUNICATION terminal block as shown in Figure 1 4 on page 1 16 Secure the cable clamp 3 Connect the other end of the cable to the converter as shown in Figure 1 2 on the following page Installation February 2002 Wiring the 5485 Wiring the Serial Interface Using the INMAC Converter cont Interface cont ATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 4 If wiring of the unit has been completed replace the plastic shroud reinstall the front cover on the enclosure and tighten the screws Proceed to the next section to continue the initial wiring of the unit Converter TD OUT Figure 1 2 Typical RS485 Connections Wiring the Factory Configured Serial Interface Use the following steps to link the AT868 to the control sys
39. the RS232 standard is strictly followed these signals are labeled with the same name and 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 1 10 Installation February 2002 Wiring the RS232 Interface cont 3 Feed the flying leads end of the cable through the conduit hole and wire the leads to the COMMUNICATON terminal block as shown in Figure 1 4 on page 1 16 Connect the other end of the cable to the printer ANSI terminal or personal computer and secure the cable clamp ATTENTION 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 reinstall the plastic shroud 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 AT868 Installation February 2002 Wiring the 5485 Interface Use the optional RS485 serial port to network multiple AT868 flow transmitters to a single computer terminal Upon request the standard RS232 port on the AT868 may be configured as a two wire half duplex RS485 interface through a device such as the INMAC Model 800052 RS232 RS422 RS485 converter If the AT868 is configured at the factory for RS485 operation
40. 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 fluid being used and correct any programming errors see page 2 13 Refer to Chapter 6 Diagnostics to correct any flowcell and or transducer problems The velocity exceeds the limits programmed in the SETUP SIGNL submenu 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 SETUP SIGNL submenu as described on page 2 13 Refer to Chapter 6 Diagnostics to correct any flowcell and or transducer problems The signal quality is outside the limits programmed in the SETUP SIGNL submenu of the User Program The peak of the upstream or downstream correlation signals has fallen below the correlation peak limit as set in SETUP SIGNL submenu This may be caused by 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 See Chapter 6 Diagnostics for instructions The signal amplitude exceeds the limits programmed in the SETUP SIGNL submenu of the User P
41. the meter returns to the Global I O window Proceed to What s Next on the next page f you are using a 1 channel meter go to Step 4 f you are using a 2 channel path meter go to Step 3 At Channel press to select the desired channel path and press ENTER Press gt to select the desired measurement parameter and press ENTER Note The measurement units that appear in these prompts are those 8 selected in the GLOBL SYSTM menu earlier in this section At BASE enter a value for the low end of the output range 2 000 000 to 2 000 000 by using the arrow keys Press lt and to move the cursor to desired location and press and to increase decrease the number and press ENTER At FULL enter a value for the high end of the output range 2 000 000 to 2 000 000 by using the arrow keys Press lt and to move the cursor to desired location and press and to increase or decrease number At FULL SCALE FREQU enter a value for the full scale of the output between 10 to 100 000 by using the arrow keys Press lt and gt to move the cursor to desired location and press and J to increase or decrease the number Proceed to What s Next on the following page Setting Up the Totalizer Output 1 2 At Output or D select OFF TOTL and press ENTER Do one of the following f you selected OFF the meter returns to t
42. to move the cursor to desired location and press and to increase or decrease the number and press ENTER 6 Proceed to What s Next on the following page Calibrating the Totalizer Output 1 Press ESC ENTER ESC The meter enters the user program Press until CALIB appears and press ENTER Press until SLOTO appears and press ENTER Press until B or D appears and press ENTER Ww N Enter desired pulse width in usec Press lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER 4 4 Calibration February 2002 n 2 Testing the Totalizer 6 Enter the number of pulses Press and 4 to move the cursor Frequency Outputs to desired location and press 1 and J to increase or decrease cont the number and press ENTER Your counter should increase the number of pulses entered 7 Repeat Steps 6 and 7 until you achieve the desired result 8 Proceed to What s Next on the following page What s Next After completing the above steps the meter returns to the Outputs window Do one of the following To perform another programming function refer to Appendix A Menu Maps or Appendix F Menu Maps for IDM to navigate to the desired menu Toleave the User Program press ESC twice Calibration 4 5 Chapter 5
43. 02 Introduction Model AT868 flow transmitter has a User Program that provides access to the various programmable features of the unit To program the AT868 you can use the internal keypad or Instrument Data Manager IDM a PC based non resident software program that communicates with the AT868 via its serial port Note f you are using IDM the 868 is configured with the Meter Address as 1 and the baud rate as 9600 This section describes step by step programming instructions using the internal keypad For more information on programming using IDM refer to Appendix Menu Maps for IDM Refer to the appropriate section for a discussion of the following PROG features CHx ACTIV activate one or both channels paths Note The 868 uses two channels or paths to make more accurate flow measurement by averaging substracting or adding the channels paths together CHx SYSTM select volumetric totalizer and mass flow units and other parameters CHx PIPE enter the pipe geometry and other parameters set up the analog and totalizer frequency outputs CHx SETUP set the signal limits response times and activating mass flow GLOBL SYSTM select system units English and metrics set up error handling outputs and display GLOBL COMM set the serial port parameters Note The x CHx represents the channel path number If you are using a single channel
44. 3 Press to select YES or NO and press ENTER If you select YES the 868 resets the totals for both channels If you select NO the totals continue 4 To leave the User Program press ESC Refer to Figure F 4 on page F 4 in Appendix F Menu Maps for IDM 1 Open the System menu 2 Select Clear Instrument Totalizers 3 IDM automatically clears the totalizers and exits the System menu While the meter is operating press and hold the reset switch for 1 second Totals will reset to zero and immediately begin to accumulate again Note The external totalizer reset switch must be configured as described on page 2 23 Displaying Data 3 3 February 2002 Pausing and IDM offers a unique command that enables you to pause and restart Restarting the the measurement When you pause the measurement theAT868 Measurement suspends taking measurements therefore all outputs are also affected This option is only accessible using this option is not available via the meter keypad refer to Figure F 4 on page F 4 in Appendix Menu Maps for IDM Pausing the Measurement Display 1 Open PAUSE MEASUREMENT from the Edit Functions menu 2 Select Stop Measurement 3 IDM automatically stops taking measurements and exits the Edit Functions menu Restarting the Measurement Display 1 Open PAUSE MEASUREMENT from the Edit Functions menu 2 Select Measure Flow 3 IDM automatically begins taking mea
45. 5 stream transducer SNDSP Displays the measured speed of sound in N A N A the fluid Tup Displays the upstream ultrasonic signal N A N A transit time Tdown Displays the downstream ultrasonic signal N A N A transit time DELTA Displays the transit time difference lt 1 usec gt 1 usec between the upstream and downstream signals REYN Displays the Reynolds number K RE K factor based on the Reynolds number N A N A PEAK Displays the percentage of peak set to N A N A 50 by default THETA Theta 3 is the angle between the ultrasonic N A N A beam and the normal to the pipe wall Itis calculated from the measured transit time and the clamp on parameters clamp ons only Qup Displays the signal quality for the 2 1200 400 to 400 upstream transducer Qdown Displays the signal quality for the down 2 1200 400 to 400 stream transducer AMPup Displays the value for the signal ampli 24 5 19 or gt 29 tude of upstream transducer 6 2 Diagnostics February 2002 K oe Displaying Diagnostic Parameters cont Table 6 1 Available Diagnostic Parameters cont Option Bar Description Good Bad AMPdn Displays the value for the signal ampli 24 5 19 or gt 29 tude of the downstream transducer P up Displays signal peaks for the upstream 100 2300 lt 100 or transducer gt 2300 P dn Displays signal peaks for the down 100 2300 lt
46. 8 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 on the LCD screen If an error message appears on the display screen during operation of the Model 868 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 action is required Problem Poor ultrasonic signal strength or the signal exceeds the limits entered via the User Program Cause Poorsignal strength may be caused by a defective cable a flowcell problem a defective transducer or a problem in the electronics console signal that exceeds the programmed limits is probably caused by the entry of an improper value in the SETUP SIGNL submenu of the User Program Action Using the procedures in Chapter 6 Diagnostics check the components listed above Also check the value entered into the SETUP SIGNL submenu as described on page 2 13 Error Codes February 2002 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 SETUP SIGNL submenu of
47. Cutoff Zero Cutoff Data Records February 2002 Channel 1 Table C 1 Site Data cont Channelx SETUP Signal Channel 2 if applicable Signal Low Lim Signal Low Lim Corr Peak Lim Corr Peak Lim SS Limit SS Limit Vel Low Limit Vel Low Limit Vel High Limit Vel High Limit Accel Limit Accel Limit Amp Disc Low Amp Disc Low Amp Disc High Amp Disc High Delta T Offset Delta T Offset 96 of Peak of Peak Trans Voltage Trans Voltage Xmit Sam Size Xmit Sam Size of Errors of Errors Min Peak Min Peak Max Peak 96 Channelx SETUP V Averaging Max Peak Response Time mi Response Time Channelx SETUP Advanced Features Enter KV SS Table KV SS Pairs KV SS Pairs Sig Stren Kin Visc Sig Stren Kin Visc 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 10 10 11 11 12 12 13 13 14 14 15 15 16 16 17 17 18 18 Data Records C 3 2002 Table C 1 Site Data cont Channelx SETUP Advanced Features Enter KV SS Table cont KV SS Pairs KV SS Pairs Sig Stren Kin Visc Sig Stren Kin Visc Channelx SETUP Advanced Features Multiple Factors Custom Type CstV CstR Custom Type CstV CstR K Factor Table K Factor Table K Factor Vel Reyn K F
48. February 2002 Process Control Instrument Division Model AT868 AquaTrans Ultrasonic Flow Transmitter for Water 1 amp 2 Channel User s Manual 910 218 r PANAMETRICS February 2002 Warranty Each Panametrics instrument is warranted to be free from defects in materials and workmanship Liability under this warranty is limited to servicing an instrument returned to the factory for that purpose and or replacing any defective parts Fuses batteries and cables are specifically excluded from any liability This warranty is effective for one year from the date of delivery to the original purchaser provided the instrument has been installed and operated in the manner described in this Startup Manual Panametrics must determine that the instrument was defective for this warranty to be valid If damage is determined to have been caused by misuse or abnormal conditions of operation the owner will be notified and approved repairs will be billed at standard rates Return Policy If any problems develop the following steps should be taken 1 Notify Panametrics giving full details of the difficulty and provide the model and serial numbers of the instrument Upon notification Panametrics will then supply a RETURN AUTHORIZATION NUMBER and or shipping instructions depending on the problem 2 f Panametrics provides in
49. IBRATIONTEST PAUSE MEASUREMENT Select an Existing Instrument Scan for nstuments Preferences Dial Modem MEASURE FLOW STOP MEASUREMENT Hang Up Modem eter Address Baun RATE Eror Handing 4800 eror Hancing Fore High GA LUV a as 8555 880787 neus esr pis pire ss 5751 ric oF ee The Global Menu Map I I I I 1 CO pes peres psc sum AVE 2 cuz Measurement Name OLUN rote mass ROW unns mass mass LCD PARAMS pian unti al channels setup DIF Measurement
50. Panametrics For transducer frequencies up to 2 MHz the cables in each pair must be the same length within 4 in 10 cm For transducer frequencies above 2 MHz the cables in each pair must be the same length within 0 5 in 1 25 A flowcell is the section of pipe where the transducers are mounted It can be created either by mounting the transducers on the existing pipeline or by mounting them on a spoolpiece A spoolpiece is a separately manufactured pipe section matched to the existing pipe which contains ports for mounting the transducers This approach allows the transducers to be aligned and calibrated before inserting the spoolpiece into the pipeline For detailed instructions on installing the transducers and or spoolpiece refer to the supplied drawings and the enclosed Panametrics Liquid Transducer Installation Guide 916 055 Installation February 2002 Mounting 868 Electronics Enclosure Making the Electrical Connections Preparing the Unit Before Making Electrical Connections The standard Model 868 electronics package is housed in an power coated aluminum NEMA 4X IP66 weatherproof enclosure suitable for indoor or outdoor use Refer to Figure 1 3 on page 1 15 for the mounting dimensions and the weight of this enclosure This section contains instructions for making all the necessary electrical connections to the Model AT868 flow transmitter Refer to Figure 1 4 on page 1 16 for a complete wiri
51. a Records SLC Data oe e a eta erate On DN Rove tete er rine cai dae C 1 Appendix D Measuring P and L Dimensions Measuring eg re ea d an D 1 lii February 2002 Table of Contents cont Appendix E Service Record tm 1 Data E l Diagnostic Parameters oce cx A exe Sees DECR Ren d E 3 Appendix F Menu Maps for IDM The Channel Status System Pipe Parameters and Input Output Menu Map F 1 The Global Menu F 2 The Channel SETUP Menu F 3 The Calibration Test Pause Measurement and Clear Totalizers Menu F 4 Chapter 1 Installation IiFOdUCHOn drei Ro ex I asc og ex oi Pn e gs 1 1 UNPACKING teen tne 1 2 Site Considerations ibe bis Pie we eee ae 1 2 Installing a 1 3 Mounting the AT868 Electronics Enclosure 1 4 Making the Electrical 1 4 February 2002 HEEL 2 Introduction To ensure safe and reliable operation of the Model AT868 Flowmeter the system must be installed and programmed in accordance with the guidelines established by Panametrics engineers Those guidelines explained in d
52. actor K Factor Vel Reyn K Factor 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8 9 9 Channelx SETUP Advanced Features Mass Flow from Static Mass Flow No Yes Mass Flow No Fluid Density Fluid Density Channelx SETUP Advanced Features Code Length Code Length Auto Short Long Code Length Auto Short Long C 4 Data Records Measuring P and L Dimensions Measuring 1 February 2002 E EUU eee T a Measuring P and L If you are using wetted transducers the AT868 requires you to enter the path length P and the axial dimension L P is the transducer face to face distance and L is the axial projection of P in the flow stream To determine L physically measure the distance between the center of the transducer ports at the inside wall as shown in Figure D 1 below if possible If not consult the factory Pipe Thickness Figure D 1 180 Transducer Installations To determine P you need the following the pipe inside diameter ID the wall thickness WT the installed pipe coupling length CL the transducer face depth FD the mounting angle MA Measuring P and L Dimensions D 1 February 2002 Measuring P and L Use Figure D 2 below to properly measure the coupling length cont Typically the transducer face is positioned just o
53. all the plastic shroud Replace the cover and secure the six set screws Parts Replacement 7 5 February 2002 A Replacing the User IWARNING Program cont Before powering up the AT868 make sure all the lock washers have been replaced Washers or other metal components left inside the enclosure may cause electrical problems Note Be sure to enter a complete and detailed account of any parts replacement performed on the Model AT868 in Appendix E Service Record To purchase the parts mentioned in this chapter or any items not specifically discussed contact Panametrics for assistance To make sure the proper components are obtained be sure to specify the serial number of the Model 868 at the time of purchase 7 6 Parts Replacement February 2002 Mounting Screws for Mounting Plate Set Screws Set Screws P PANAM CH1 LEE e 0009 e LS IL NIIT I IL Ti1IL Ti ILZTI
54. am 2 Press until PROG appears and press ENTER 3 Press until CH1 or appears and press ENTER 4 5 6 Press until PIPE appears and press ENTER Press ENTER until TRACKING WINDOWS appears Select NO to deactivate the Tracking Window Entering the Constant Sound Speed 1 2 At FLUID TYPE select OTHER At FLUID SOUNSPEED enter the measured sound speed and press ENTER Press lt and to move the cursor to desired location and press and J to increase or decrease number and press ENTER Press ESC three times to exit the User Program The 868 returns to making measurements If desired reconfigure the display to show the desired measurement as discussed on the previous page The values for the diagnostic parameters immediately after initial installation of the meter and verification of proper operation should be entered in Table E 2 in Appendix E Service Record These initial values can then be compared to current values to help diagnose any future malfunction of the system Diagnostics 6 5 February 2002 Flowcell Problems Fluid Problems If preliminary troubleshooting with the Error Code Messages and or the Diagnostic Parameters indicates a possible flowcell problem proceed with this section Flowcell problems fall into two categories fluid problems pipe problems Read the following sections carefully to determine if the problem is i
55. aps to navigate to the desired menu Toleave the User Program press ESC four times This output can be configured for frequency or totalizer output using IDM The totalizer output issues one pulse per selected volume of flow The meter produces a pulse each time the programmed amount of flow passes through the pipe The frequency output issues a frequency that is proportional to the assigned measurement parameter such as flow rate Accessing Output B or Output D Output B and D can be configured independently Typically Output B is used for Channel 1 and Output D is used for Channel 2 however outputs can be configured to measure either channel 1 Press ESC ENTER ESC The meter enters the user program Press until PROG appears and press ENTER Press until GLOBL appears and press ENTER Press until l O appears and press ENTER Press until OPTN appears and press ENTER Press to select B or D and press ENTER un If you are configuring frequency output proceed to the next section Setting Up the Frequency Output on the next page totalizer output proceed to Setting Up the Totalizer Output on the next page Programming Site Data 2 29 February 2002 Totalizer Frequency Output cont Setting Up the Frequency Output 1 2 At Output or D select OFF or FREQ and press Do one of the following f you selected OFF
56. ars and press ENTER 5 Use the arrow keys to enter the desired CHANNEL LABEL up to 5 characters and press ENTER 6 Use the arrow keys to enter the desired SITE MESSAGE up to 16 characters and press ENTER For a 2 channel path meter this prompt is called CHANNEL MESSAGE Selecting the Volumetric Units 1 Press lt and to select the desired volumetric units for the flow rate display and press ENTER 2 Press lt and gt to select the desired number of digits to the right of the decimal point in the volumetric flow rate display and press ENTER Selecting the Totalizer Units 1 Press lt and to select the desired units for the totalized flow rate display and press ENTER 2 Press lt and gt to select the desired number of digits to the right of the decimal point in the totalized flow rate display and press ENTER 3 Do one of the following If MASS FLOW is ON and both channels are active for 2 channel units only proceed to Selecting the Mass Flow Units on the following page If MASS FLOW is OFF and or only one channel is active the meter returns to the Channel PROGRAM window Proceed to What s Next on the following page Note 7o activate mass flow refer to page 2 20 Programming Site Data 2 3 February 2002 Entering System Data for a Channel Path CHx SYSTM cont Selecting the Mass Flow Units 1 Press lt and to select th
57. ast and 3 1 Setting Up the Display iex b RE RR RE EE e PE 3 2 Resetting Totals 5 oiu este bete do s m e erai al 3 3 Resetting Totalizers Using the Internal 3 3 Resetting Totalizers Using 3 3 Resetting Totalizers Using the External Switch 3 3 Pausing and Restarting the Measurement 3 4 Chapter 4 Calibration Introduction RUE NE NAR E RR EMEND RES 4 1 Calibrating and Testing the Analog Outputs 4 1 Testing the Output Linearity 4 3 Testing the Totalizer Frequency 4 4 Chapter 5 Error Codes Introduction in t e E de te dece t qe tede dte 5 1 EU RR RV A ROSE LEN SM ME DEG NEN 5 1 Wette bet es 5 1 E2 S0und Speed un eue Dela ey 5 2 E3 Velocity due quae 5 2 Signal Quality
58. at the AT868 can use to measure transit time Maximum 100 to 100 Peak Limit Use this prompt to enter the maximum percent of peak that the AT868 can use to measure transit time Programming Site Data 2 15 February 2002 Set Transducer Signal Settings SIGNL cont Setting Response Time AVRG What s Next After completing the above steps the user program returns to the SET UP window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times Use this option to specify the number of readings that occur before the meter will respond to a step change in flow rate In general the smaller the number of readings the less steady the display will appear Complete the following steps to set the response time 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until SETUP appears and press ENTER 5 Press until AVRG appears and press ENTER 6 Press and to select the response and press ENTER For best results select STATS statistics This increases the response time under steady flow conditions while still allowing a rapid response time to changes in flow rate What s Next After completing the above steps
59. below continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times 2 24 Programming Site Data February 2002 Setting Up the Inputs Set up the AT868 s inputs and outputs via the Input Output submenu and Outputs While following the programming instructions refer to Figure A 2 in GLOBL I O Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records The GLOBL I O submenu consists of the following ERROR program the meter s response during an error condition see below OPTN set up the analog and totalizer frequency outputs page 2 28 LCD set up the LCD display refer to Chapter 3 Setting Up the Display on page 3 2 Selecting Error Handling This menu option lets you set how theAT868 will handle the outputs ERROR for measurements and average two path measurements during an error condition See Error Codes for a discussion of the built in error codes Use the steps below to select error handling options 1 UC N Press ESC ENTER ESC The meter enters user program Press until PROG appears and press ENTER Press until GLOBL appears and press ENTER Press until appears and press ENTER Press until ERROR appears and press ENTER Press to select the desired option for error handling and press ENTER See Table
60. bruary 2002 Electrical Specifications Power Supply Operating Mode The electrical specifications for the Model AT868 flow transmitter are divided into the following categories Options Standard 85 to 265V AC 47 65 Hz 1090 Optional 12 to 28 VDC 5 Power Consumption 10 W maximum not including inrush current required for DC supply specification Correlation Transit Time Mode with clamp on or wetted transducers Input Output Digital Display Specifications 2 line x 16 character LCD display LED backlight configurable to display up to 4 measurement parameters in sequence Digital Communications Standard RS232 serial port for PC terminal or printer Optional RS485 serial port for PC terminal or printer Analog Outputs 1 isolated 0 4 20 mA 600 max load 1 pulse totalizer frequency output optically isolated 3 A max 100 max 1 W max from 0 1 to 10 KHz Totalizer pulse per defined unit of parameter e g 1 pulse gal Frequency pulse frequency proportional to magnitude of parameter e g 10 Hz 1 gal min Optional 2 channel option includes a second set of the standard outputs as described above Outputs can be configured independent of channel Cable and Length Standard Pair of coaxial cables type RG62 A U or as specified for transducer type Length up to 3 ft 1 m Optional Lengths up to 1 000 ft 330 m max 8 2 Specifications February 2002 Input Output Specificati
61. d Black Upstream RTN is Upstream SIG DC POWER INPUT Pin Description o g Line Positive 3 100 240 VAC 50 60HZ 1 4 Line Negative E No Connection CH2 TRANSDUCER Color Description POWER INPUT Red Downstream SIG Black Downstream RTN Line Power Black Upstream RTN J Red Upstream SIG NEUT White Line Neutral n GND Green Earth Ground For standard Panametrics power cable TOTALIZER FREQUENCY OUTPUT 2 0 4 20 mA ANALOG OUTPUT 2 Grounding Jumper Pin No Description Pin No Description RTNQ gt RTNE Protective Conductor Terminal sia 1 566 Installation 1 16 Chapter 2 Programming Site Data ox dd ei deci doce once i tek i ei dd 2 1 Activating Channel Path 2 2 Entering System Data for a Channel Path CHx SYSTM 2 3 Entering Transducer and Pipe Parameters CHx PIPE 2 5 Entering the Zero Cutoff Value CHx l O 2 12 Entering Setup Data 2 13 Entering Global System Data GLOBL SYSTM 2 22 Setting Up the Inputs and Outputs GLOBL I O 2 25 Configuring the Communications Port GLOBL COMM 2 32 Configuring the Output as a Totalizer or Frequency Output 2 33 February 20
62. d Clear Totalizers Menu es ee eee eee eee deer x y Rx 4 February 2002 Main Menu Meter Window Menu bee UpeaiiDowniad fat Functions Connect to New Instrumen Scan Network tor Instruments Dial Modem ng Up Modem Comm Por Us acu uo I I I I I 1 us v os uus us Pree Paramsus sro sree weis estis seu 58148 48215 I us res sus sco I I I I I xis e i xti I I 23 Juss Cre onne 1 YE Faure 1 pss pr I x FONT Fac I inch Leet Parameters and Input Output Menu Map The Channel Status System Figure F 1 Menu Maps for IDM F4 February 2002 main menu Meter Window Menu Was Real tne a New Instrument ITE EDIT JCAL
63. ducer 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 MISALIGNMENT 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 attentuation Be sure to exactly follow the instructions that came with your transducers and clamping fixtures Also be sure that the transducer spacing agrees with the calculated spacing S 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 if contaminants enter the transducer housing PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface or striking them against another object Usually the connector on the transducers is the part that is damaged as it is the most fragile Minor damage may be repaired by carefully bending the connector back into shape If the connector cannot be repaired replace the transducers Diagnostics 6 9 February 2002 EEE Clamp on Transducer IMPORTANT Transducers must be replaced in pairs Refer t
64. e Denaty Repeats tor sot pairs entered erus Ener in ascends Custom Type Wess Custom Reya YES Enter Factors Reynolds Velochy K Factor Repeat for the otk Factors entered previously Menu Maps for IDM F 3 February 2002 IDM Main Menu Meter Window Menu Giobat Sysem Upbadibownoad Edi Functions Connect to a New ins SITE EDIT MENU Select an Existing Instrument CALIBRATION TEST Scan Network for Instruments PAUSE MEASUREMENT Prelerences PAUSE Measure Flow z Dial Modem c Hang Up Modem Hang up 5 STOP MEASUREMENT 5 o ay Read Instrum ent Set Instrument Print Site ioe Stored Site ration Signal Array Upload Memory Hardware Test ar Instrument Total Log trom Instrument Close Connection to Instrum ent CAL For service personnel For service personnel Oter optons in is submenu SET TOTFREG only Consult the factory CLEARING TOTALIZERS SET OUTB D Slot 0 Outputs
65. e supplied by Panametrics and press ENTER Programming Site Data 2 5 2002 5 7 Special Transducers 4 Press lt and to select the transducer frequency supplied by cont Panametrics and press ENTER Note The frequency is required to transmit an excitation voltage at the transducer s natural frequency 5 Enter the special transducer time delay value supplied by Panametrics by using the arrow keys Press lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER Tw is the time required for the transducer signal to travel through the transducer and its cable This time delay must be subtracted from the transit times of the upstream and downstream transducers to ensure an accurate measurement Special Clamp On The following two prompts only appear if special clamp on Transducers transducers are being used If special wetted transducers are being used proceed to Pipe Outside Diameter on page 2 8 1 Enter the wedge angle supplied by Panametrics of the transducer by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER 2 Enter the wedge sound speed supplied by Panamet
66. e Kinematic Viscosity see note below If you want to enter a different number use the lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER Then enter the Calibration Factor in a similar manner and press ENTER Note f you select OTHER as the fluid type you must enter the Kinematic Viscosity The AT868 will only approximate the Kinematic Viscosity if you select one of the available fluid options other than OTHER i e water oil etc 3 Proceed to one of the following sections For Clamp on Transducers proceed to Number of Traverses and Transducer Spacing on the next page For Wetted Transducers The meter returns to the Channel PROGRAM window At this point you can proceed programming in this submenu as desired To leave the Channel PROGRAM window press ESC three times To complete setting up the meter you must enter data in the GLOBL SYSTM submenu as described on page 2 22 Programming Site Data 2 11 February 2002 Number of Traverses and Transducer Spacing Entering the Zero Cutoff Value CHx l O 1 Press lt and to select the number of traverses and press ENTER 2 Enterthe value for the transducer spacing by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER What s Next After completing the ab
67. e desired mass flow units for the flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS Press lt and to select the desired time units for the mass flow rate display and press ENTER Press lt and to select the desired number of digits to the right of the decimal point in the mass flow rate display and press ENTER Press lt and gt to select the desired units for the totalized mass flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS Press and to select the desired number of digits to the right of the decimal point in the totalized mass flow rate display and press ENTER What s Next After completing the above steps the user program returns to the Channel PROGRAM window Do one of the following To continue entering quick startup data press ESC once and proceed to Step 3 in the following section continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times 2 4 Programming Site Data February 2002 Entering and Pipe Parameters CHx PIPE Special Transducers Enter the transducer and pipe parameters via the PIPE submenu While following the programming instructions refer to Figure A 1 on
68. e transducer transmission signal Code Length CODEL This option is helpful when measuring flow on small pipes Complete the following steps to select the code length 1 9 A Press ESC ENTER ESC The meter enters user program Press until PROG appears and press ENTER Press until the desired channel appears Press ENTER at CH1 or CH2 Press until SETUP appears and press ENTER Press until ADVAN appears and press ENTER Press until CODEL appears and press ENTER Press to select the transmitter code length and press ENTER Automatic the meter will determine the code length short or long automatically based on pipe size and transducer type Short Code is only a few pulses with no code pattern built in In some cases the diameter of the pipe is too small which does not give each transducer the necessary time to send a series of signals before receiving a series of signals Short is also a good selection for pipes made of materials which tend to blur the signal pattern such as Teflon Long Code is a series of approximately a dozen that have a distinctive binary pattern which is easily recognizable during auto correlation What s Next After completing the above steps the user program returns to the Advanced Feature window Do one of the following To continue regular programming refer to Appendix A Menu Maps to navigate to the d
69. eactivate multiple factors and press ENTER Note f you select NO proceed to What s Next on the following pages 8 Press gt 1 to select the type of value to customize velocity or reynolds value and press ENTER 9 Press to select whether to edit the table and press ENTER Note f you select NO proceed to What s Next on the following page 10 Enter the number of K factors 2 to 20 in the table by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease number and press ENTER 11 Enter the velocity reynolds value for K factor number X by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER IMPORTANT When editing the K factor table the velocities must be entered in ascending order 12 Enter the K factor corresponding to velocity reynolds number X 0 333 to 3 0 by using the arrow keys Press and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER 13 Repeat Steps 11 and 12 for each pair Programming Site Data 2 19 February 2002 Entering Multiple Factors MULTK cont Activating Mass Flow MASS What s Next After completing the above steps the user program returns to the Advanced Feature window Do one of the fo
70. ed parameter and press ENTER Note The measurement units that appear in these prompts are those selected in the GLOBL SYSTM menu as described in Chapter 2 Programming Site Data The previous two prompts repeat until all of the specified of LCD PARAMS have been set up Proceed to What s Next below What s Next After completing the above steps the meter returns to the Global I O window Do one of the following To perform another programming function refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times After leaving the User Program the 868 will reset itself and will begin to display the parameters specified in this section If more than one parameter was set up each of the parameters will be displayed in sequence with a pause of several seconds between display changes 3 2 Displaying Data February 2002 Resetting Totals Resetting Totalizers Using the Internal Keypad Resetting Totalizers Using IDM Resetting Totalizers Using the External Switch To reset the totals you can use the internal keypad IDM or an external switch When resetting totals the totals for both channels will be reset Use the appropriate section that follows to reset totalizers Refer to Figure 4 on page A 4 in Appendix A Menu Maps 1 Press ESC ENTER ESC The meter enters the user program 2 Press until RESET appears and press ENTER
71. ed with a built in serial communications port The standard port is an RS232 interface GLOBL COMM however an RS485 interface is available upon request The 868 can receive and execute remote commands using the Instrument Data Manager software by connecting the meter s serial interface to the serial port of the PC In addition the Model AT868 can transmit stored data and displayed readings to a personal computer via this link Use the GLOBL COMM submenu to set the communications port While following the programming instructions refer to Figure A 2 on page A 2 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Use the steps below to configure the communications port 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until GLOBL appears and press ENTER 4 Press until COMM appears and press ENTER 5 Enter a meter address between 1 and 254 by using the arrow keys Press lt and gt to move the cursor to desired location and press and J to increase or decrease the number default number is 1 A meter address is only necessary for communication with the Panametrics nstrument Data Manager software See the IDM User s Manual for more information IMPORTANT f the meter address or baud rate is changed communication with the Instrument Data Manager must be re established wi
72. ell 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 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 transducer problems are largely dependent on the type of transducers used wetted or clamp on the following list of potential problems is grouped according to transducer type Contact Panametrics if you cannot solve a transducer related problem 1 LEAKS Leaks may occur around the transducer and or the flowcell fittings Repair such leaks immediately If the leaking fluid is corrosive carefully check the transducer and cables for damage after the leak has been repaired CORROSION DAMAGE If the transducer material was not properly chosen for the intended application the transducers may suffer corrosion damage The damage usually occurs either at the electrical connector or on the transducer face If corrosion is suspected remove the transducer from the flowcell and carefully inspect the electrical connector and the transducer face for roughness and or pitting Any transducer damaged in this manner must be replaced Contact Paname
73. es and SS 2 62 Enter the kinematic viscosity values 0 050 to 500 in descending order by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER 10 Repeat Steps 8 and 9 for each pair What s Next After completing the above steps the user program returns to the Advanced Feature window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC five times 2 18 Programming Site Data February 2002 Entering Multiple Factors MULTK Use this option to enter a table of K factors K factors are used to create a curve for the flow range based on velocity or reynolds number that compensates for non linear flow rates Complete the following steps to enter multiple K factors for velocity or reynolds values Note The factors are supplied by Panametrics without them the K factor table cannot be edited 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 9 Press until the desired channel appears Press ENTER at CH1 or CH2 Press until SETUP appears and press ENTER Press until ADVAN appears and press ENTER Press until MULTK appears and press ENTER A Un Press to select whether to activate or d
74. esired menu To leave the User Program press ESC five times Programming Site Data 2 21 February 2002 Entering Global While completing these instructions refer to Figure A 2 in Appendix System Data A Menu Maps Remember to record all programmed data in GLOBL SYSTM Appendix C Data Records Use the steps below to enter system information in the GLOBL menu Selecting the GLOBL SYSTM Units 1 UO N Press ESC ENTER ESC The meter enters the user program Press until PROG appears and press ENTER Press until GLOBL appears and press ENTER Press until SYSTM appears and press ENTER Enter a short message up to 16 characters by using the arrow keys Press lt and to move the cursor to desired location and press and J to select the desired letter space symbol and press ENTER Selecting the System Units 1 Press to select the system units and press ENTER For single channel units the meter returns to the Global PROGRAM window Proceed to What s Next on the following page For a 2 channel path units proceed with the following steps 2 Press to select the volumetric units for the flow rate display and press ENTER Press gt to select the number of digits to the right of the decimal point in the volumetric flow rate display and press ENTER Press to select the desired units for the totalized flow rate display and
75. etail in this chapter include the following topics Unpacking the Model AT868 system Selecting suitable sites for the electronics enclosure and the flowcell transducers Installing the flowcell transducers Note See the enclosed Liquid Transducer Installation Guide 916 055 for detailed instructions on transducer installation nstalling 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 Installation 1 1 February 2002 Unpacking Site Considerations Electronics Enclosure Location Flowcell Location Transducer Location Carefully remove the electronics enclosure the transducers and the cables 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 flowcell and the electronics enclosure is important use the guidelines in this section
76. f Optional Explosion proof Div 1 Class 1 Group C amp D INIEX certified EEx d IIC T6 or weatherproof NEMA 4 IP65 Other Options Transducers for special applications fixtures no organic bonds or insulators cooling jackets for high temperatures Please consult Panametrics for details Materials metals and most plastics Consult Panametrics for concrete glass and cement Pipe Sizes Inside Diameter 0 04 to 200 in 1 mm to 5 m and larger Materials 316 SS and most plastics Consult Panametrics for concrete composite materials and highly corroded or lined pipes Pipe Sizes Outside Diameter 0 5 to 200 in 12 7 mm to 5 m and larger Pipe Wall Thickness Up to 3 in 76 2 mm Specifications 8 5 February 2002 Tilted Diameter Pipe Sizes Spoolpiece Standard 2 to 200 in 50 mm to 5 m 100 interrogation Optional 200 in Materials Standard SS carbon steel plastic or fiberglass Optional Other metals plastics etc Process Connections Standard Straight welding 150 Ib flanged 300 16 flanged and higher Optional MJ Victaulic RTJ flanged or cold tap Wetted Transducer Connections Standard in NPTM for in sizes and 3 8 NPTM for 2 to 5 in sizes Optional Flanged hybrid design PanAdapta Plug for isolation saddle or insertion mechanism Interrogation Standard Conventional 45 tilted diameter one or more traverse Optional Mid radius chord or mu
77. gnal path length P and the transducer signal axial length L are engraved on the flowcell and or are included in the documentation supplied with the meter For on site transducer installations refer to Appendix D Measuring P and L Dimensions for instructions 3 Enter the axial length of the ultrasonic signal and press ENTER 4 Select the desired units and press ENTER 5 Proceed to Using the Tracking Window on the next page 2 8 Programming Site Data February 2002 Lining Setting Up the Tracking Window Press lt and to select whether the pipe has a lining and press ENTER Doone of the following f you selected No proceed to Tracking Windows and Fluid Type below f you selected Yes proceed to the next step Press lt and to select the lining material and press ENTER If you selected OTHER enter the lining sound speed by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease number and press ENTER Enter the lining thickness by using the arrow keys Press lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER The Tracking Window feature is used to track the fluid sound speed This feature enables you to make accurate measurements when the fluid sound speed is unknown or when the fluid sound speed varie
78. grammed AMP DISCRIM LOW value See Chapter 5 Error Codes for a discus sion of error codes Delta T Offset 1000 to 1000 usec An offset between the upstream and downstream transit times is specified at this prompt 96 of Peak 100 to 100 The percentage of peak used to calculate transit times and Delta T is specified at this prompt Note This setting is a starting point for detecting the signal The meter will automatically adjust this value if the calculated transit time is unacceptable You can set the limits for this value using the MIN and MAX discussed at the end of this table Transmitter Voltage The transmitter voltage can be set to low or high to reduce power consumption LOW default setting is typically selected for smaller pipes with a single phase fluid The LOW setting is normally sufficient HIGH is usually selected for large pipes or liquids with one or more phases Xmit Sample 2 4 8 16 Size 32 Both upstream and downstream transducers transmit ultrasonic pulses in bursts which consist of a series of transmit pulses XMIT SAMPLE SIZE determines how many bursts are sent in one direction before sending in the other direction of Errors to 16 Use this prompt to enter the number of errors the 868 can record before it displays an error message Minimum 100 to 100 Peak Limit Use this prompt to enter the minimum percent of peak th
79. he Global I O window Proceed to What s Next on the next page f you are using 1 channel meter go to Step 4 f you are using a 2 channel path meter go to Step 3 At Channel press to select the desired channel path and press ENTER 2 30 Programming Site Data February 2002 EEE 2 Totalizer Frequency Setting Up the Totalizer Output cont Output cont 4 Press to select the desired measurement parameter and press ENTER 5 Enter a value for the minimum pulse on time between 50 usec and 500 000 usec for the frequency of the totalizer pulses and press ENTER Press lt and to move the cursor to desired location and press and to increase or decrease the number Note A complete pulse consists of equal amounts of ON and OFF times Choose a value that is compatible with the counter to be used 6 At UNITS PULSE enter a value for the number of measurement units represented by each pulse and press ENTER 7 Proceed to What s Next on the following page What s Next After completing the above steps the user program returns to the Global I O window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times Programming Site Data 2 31 February 2002 Configuring the Communications Port The Model 868 flow transmitter is equipp
80. he flow stream may be used 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 For a flowcell supplied by Panametrics the correct data will be included in the documentation For other flowcells 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 instructions on programming the pipe data In addition to the actual pipe dimensions the path length P and the axial dimension L based on the actual transducer mounting locations must be accurately programmed into the flowmeter For a Panametrics flowcell this data will be included with the documentation for the system If the transducers are mounted onto an existing pipe these dimensions must be precisely measured See Appendix D Measuring P and L Dimensions for a thorough discussion of this topic Diagnostics 6 7 February 2002 Pipe Problems cont Transducer Problems Wetted Transducer Problems 3 The inside of the pipe or flowcell must be relatively clean Excessive build up of scale rust or debris will interfere with flow measurement Generally a thin coating or a solid w
81. ignated as Output A and C These Outputs outputs can be configured independently Typically Output A is used for Channel 1 and Output C is used for Channel 2 however analog outputs can be configured to measure either channel Connections to this output may be made with standard twisted pair wiring but the current loop impedance for these circuits must not exceed 600 ohms To wire the analog outputs complete the following steps 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Refer to Figure 1 4 on page 1 16 for the locations of the appropriate terminal blocks and wire the analog outputs as shown Secure the cable clamp Note Analog outputs 1 and 2 in the wiring diagram correspond to analog outputs and C in the AT868 software IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 3 Do one of the following Proceed to the next section to continue wiring the Model AT868 flow transmitter Reinstall the plastic shroud replace the front cover on the enclosure and tighten the screws Note Prior to use the analog output must be set up and calibrated See Chapter 4 Calibration for detailed instructions 1 8 Installation February 2002 Wiring the Totalizer Frequency Output The Model AT868 also provides a second output per channel designated as Output B and D that can be config
82. is easily damaged by static electricity Before handling the new chip touch a grounded metal object to discharge any built up static electricity and avoid touching the leads on the side of the chip Make sure that the beveled corner on the new EPROM is aligned with the beveled corner of the socket and place the EPROM into the socket By applying equal pressure on all four corners gently press the EPROM into the socket until it is fully seated Do not strike the EPROM or apply excessive force during this procedure Reassembling the Unit 1 Replace the Channel 1 board To do this carefully align the pins along the back of the board with the connectors on the Channel 2 board Firmly press the Channel 1 board down until all of the connectors are completely seated Secure the Channel 1 board by replacing the screw and standoffs previously removed Make sure you include the flat washers and lock washers for the screw Insert the keypad ribbon from the LCD keypad board into the connector and re lock the connector by sliding the tabs downward Make sure the cable is not twisted Replace the LCD keypad assembly by carefully aligning the pins on the back with the connectors on the Channel 1 board Firmly press the LCD keypad assembly down until the connector is completely seated Secure the LCD keypad assembly to the Channel 1 board with the four screws flat washers and lock washers previously removed Reinst
83. ize based on two channels paths Stops totalizing if either or both channels paths go into error See Error Handling for Average Measurements below 7 Do one of the following Fora l channel meter proceed to What s Next on the next page Fora2 channel path meter proceed to Step 8 on the next page 2 26 Programming Site Data February 2002 Selecting Error Handling 8 Press gt to activate or deactivate two path error handling and ERROR cont press ENTER The 2PATH ERROR HAND 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 meter is operated in AVE mode With this function enabled the Model AT868 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 Specific responses of the display and the totalizer to the two path error handling option available at the above prompt are listed in Table 2 6 below Table 2 6 2 Path Error Response Options Display Response Totalizer Response Displays the average of channels paths 1 and 2 regardless of the error state of either channel path Outputs the average of channels paths 1 and 2 totals regardless of the error state of either chan nel path 1 If one channel path is in error the other channel path s value is di
84. less than the pro to 100 m grammed VELOCITY LOW LIMIT value See Chapter sec 5 Error Codes for a discussion of error codes Velocity High 328 to 328 40 0 ft sec The VELOCITY RANGE error messages appears Limit ft sec 100 12 m sec when the calculated fluid velocity exceeds the pro to 100 m grammed VELOCITY HIGH LIMIT value See Chapter sec 5 Error Codes for a discussion of error codes Acceleration 0 to 100 ft 15 9 ft sec The CYCLE SKIP error message appears when Limit sec 0 to 30 the calculated fluid velocity changes by more than 2 programmed ACCLERATION LIMIT value from one Hsec reading to the next See Chapter 5 Error Codes for a discussion of error codes Amplitude 0 to 100 14 The amplitude measures the transducer signal received Discriminator by the Model AT868 The E5 AMPLITUDE error Low message appears when the amplitude discriminator falls below the programmed AMP DISCRIM LOW value See Chapter 5 Error Codes for a discussion of error codes Programming Site Data February 2002 Set Transducer Signal Settings SIGNL cont Table 2 3 Transducer Signal Settings cont Transducer Signal Parameters Amplitude 0 to 100 Discriminator High Default Value Miscellaneous Information The amplitude discriminator measures the transducer signal received by the Model AT868 The E5 AMPLI TUDE error message appears when the amplitude dis criminator exceeds the pro
85. llowing continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC five times Use this option to calculate mass flow from a static fluid density Complete the following steps to enter the static density of the fluid 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 9 Press until the desired channel appears Press ENTER at CH1 or CH2 Press until SETUP appears and press ENTER Press until ADVAN appears and press ENTER Press until MASS appears and press ENTER d 2 Press to select whether to activate deactivate mass flow mass flow is calculated from a static density and press ENTER Note f you select NO proceed to What s Next below 8 Enter the fluid density by using the arrow keys Press lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER What s Next After completing the above steps the user program returns to the Advanced Feature window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC five times 2 20 Programming Site Data February 2002 Selecting Transmitter Use this option to select the size of th
86. lti chords including multiple paths 8 6 Specifications Menu Maps The CHx ACTIV SYSTM PIPE and Menu Map 1 Menu 2 The CHx SETUP Menu A 3 The CALIB and RESET Menu 4 To enter the User Program press Esc ENTER esc Keypad Program PROG xus February 2002 COMM SYST fo SALA BACH ED ow us iue msa 8853 reco esius BALA wenes Typs SPEC SYL sis Dei REM FO I I I moar ws wes uen c pes pies vesc GN 0 ZERO
87. meter only Channel 1 will appear To get the AT868 up and running as quickly as possible you must as a minimum activate the channel path s enter channel path and global system data and pipe parameters The What s Next sections at the end of each menu will help you in programming required quick startup and optional data Also as a programming aid a complete set of menu maps forPROG are included in Appendix A Menu Maps specific figure numbers will be referenced throughout this chapter Note n this manual only the programming of Channel 1 will be described To program Channel 2 of a 2 channel path meter simply repeat the same procedures presented for Channel 1 Programming Site Data February 2002 Activating Channel Path CHx ACTIV The ACTIV submenu is used to activate deactivate the channel path The channel path should be activated when you receive your unit however you should verify that the channel path is active before you begin programming While following the programming instructions refer to Figure A 1 on page A 1 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records To access the ACTIV submenu 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until ACTIV appears and press ENTER 5 Pre
88. nal switch is must be configured as described on page 2 23 After the AT868 has been completely installed and wired reconnect line power and proceed to Chapter 2 Programming Site Data to program the meter for taking flow rate measurements Installation February 2002 5 lt lt 868 AquaTrans Plane4 Figure 1 3 Model AT868 Outline Drawing 4712 1106 NOTES 1 ALL DIMENSIONS IN INCHES CENTIMETERS Installation 1 15 February 2002 NOTE For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model AT868 0 4 20 mA ANALOG OUTPUT 1 Contrast Adjustment Pin No Descrip
89. ndeed related to the flowcell If the instructions in this section fail to resolve the problem contact Panametrics for assistance Most fluid related problems result from a failure to observe the flowmeter system installation instructions as described in Installation Refer to Chapter 1 Installation to correct any installation problems If the physical installation of the system meets the recommended 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 868 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 flowcell Fluids with a high vapor pressure may cavitate near or in the flowcell This causes problems resulting from gas bubbles in the fluid Cavitation can usually be controlled through proper installation design 3 The fluid must not excessively attenuate ultrasound signals Some fluids particularly those that are very viscous readil
90. ne channel is active the meter returns to the Channel PROGRAM window Proceed to What s Next on the following page Note 7o activate mass flow refer to page 2 20 Selecting the Mass Flow Units 1 Press lt and to select the desired mass flow units for the flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS on the previous page 2 Press lt and gt to select the desired time units for the mass flow rate display and press ENTER 3 Press lt and gt to select the desired number of digits to the right of the decimal point in the mass flow rate display and press ENTER Programming Site Data 2 23 February 2002 EEE Entering Global Selecting the Mass Flow Units cont System Data GLOBL SYSTM cont 4 Press lt and to select the desired units for the totalized mass flow rate display and press ENTER The available units for this prompt are determined by the selection made at SYSTEM UNITS on the previous page 5 Press lt and gt to select the desired number of digits to the right of the decimal point in the totalized mass flow rate display and press ENTER What s Next After completing the above steps the meter returns to the Global PROGRAM window Do one of the following You have completed entering quick startup data You can continue programming or exit the user program as described
91. ne voltage Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model AT866 Refer to Figure 1 4 on page 1 16 to locate the power terminal block and connect the line power as follows IWARNING Improper connection of the line power leads or connecting the meter to the incorrect line voltage may damage the unit It may also result in hazardous voltages at the flowcell and associated piping as well as within the electronics enclosure 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Prepare the line power leads by trimming the line and neutral AC power leads or the positive and negative DC power leads to a length 0 5 in 1 cm shorter than the ground lead This ensures that the ground lead is the last to detach if the power cable is forcibly disconnected from the meter 3 Install a suitable cable clamp in the conduit hole where the line power is fed through If possible avoid using a conduit hole containing input output cables for this purpose to minimize any interference in the circuitry from the AC power line IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance
92. ng swirl and avoiding cavitation Locate the transducers on a common axial plane along the pipe Locate the transducers on the side of the pipe rather than the top or bottom since the top of the pipe tends to accumulate gas and the bottom tends to accumulate sediment Either condition will cause increased attenuation of the ultrasonic signal There is no similar restriction with vertical pipes However vertical pipes with downward flow should be avoided in order to insure a full pipe at the measurement point Installation February 2002 Cable Lengths Transducer Cables Installing a Flowcell Locate the electronics enclosure as close as possible to the flowcell transducers preferably directly on the flowcell However Panametrics can supply transducer cables up to 1 000 ft 300 m in length for remote location of the electronics enclosure If longer cables are required consult the factory for assistance 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 Note fyou are using your own cables to connect the transducers to the electronics console they must have electrical characteristics identical to the cables supplied by
93. ng diagram IATTENTION EUROPEAN CUSTOMERS To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance IWARNING Always disconnect the line power from the Model AT868 before removing 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 Remove the plastic shroud that protects the electrical connections by loosening the two screws and lifting the plastic Note For compliance with the European Union s Low Voltage Directive 73 23 EEC a transparent plastic shroud protects the electrical connections The shroud must remain in place except while wiring the unit Reinstall the shroud after the wiring has been completed 4 Install any required cable clamps in the appropriate conduit holes on the bottom of the enclosure 5 Note the labels inside the enclosure to assist in wiring Proceed to the appropriate section of this chapter to make the desired wiring connections 1 4 Installation February 2002 Wiring the Line Power Model 868 may be ordered for operation with power inputs of 85 265 VAC or 12 28 VDC The label on the side of the electronics enclosure lists the meter s required line voltage and power rating The fuse size is listed on label located under the fuse Be sure to connect the meter only to the specified li
94. nics enclosure to a flat service IWARNING The main power to the Model AT868 must be disconnected before proceeding Loosen the six set screws on the front cover Remove the front cover Remove the plastic shroud by removing the two screws that hold it in place Remove the four mounting screws the LCD keypad board Make sure you remove the flat and lock washers with the screws Grasp the LCD keypad board by the side edges and carefully pull it straight upward until it comes free from the Channel 1 board below it Disconnect the keypad ribbon on the board below by sliding the tabs on the connector upward and pulling the ribbon cable out Remove the four standoffs in the corners of the Channel 1 board Remove the screw in the middle of the Channel 1 board Carefully remove the Channel 1 board from the connectors on the Channel 2 board below it 7 4 Parts Replacement February 2002 Replacing User Program cont Locating the EPROM 1 Flip the board over and locate the U4 EPROM socket It is the only socketed chip on this board and it has a white identification label Using a chip puller remove the EPROM from its socket If a chip puller is unavailable a straightened paper clip may be used in the notches at the upper right and lower left corners of the socket Gently pry the EPROM a little at a time at each notch until it comes free Caution The EPROM
95. non ISO 9001 CERT DOC Rev F 7 19 01 PANAMETRICS WORLDWIDE OFFICES m PCI Division 221 Crescent Street Suite 1 Waltham MA 02453 3497 USA Telephone 781 899 2746 Toll Free 800 833 9438 Fax 781 894 8582 ISO 9001 PANAMETRICS E mail pci panametrics com Web Site http www panametrics com CERTIFIED MAIN OFFICES USA Panametrics Inc 221 Crescent St Suite 1 Waltham MA 02453 3497 USA Telephone 781 899 2719 Toll Free 800 833 9438 Fax 781 894 8582 E mail pci panametrics com Web Site www panametrics com ISO 9001 Certified Ireland Panametrics Limited Shannon Industrial Estate Shannon Co Clare Ireland Telephone 353 61 470200 Fax 353 61 471359 E mail info panametrics ie ISO 9002 Certified 9 10 01 INTERNATIONAL OFFICES Australia Panametrics Pty Ltd P O Box 234 Gymea N S W 2227 Australia Telephone 61 02 9525 4055 Fax 61 02 9526 2776 E mail panametrics panametrics com au Austria Panametrics Messtechnik GmbH Waldgasse 39 A 1100 Wien Austria Telephone 43 1 602 25 34 Fax 43 1 602 25 34 11 E mail panametrics netway at Benelux Panametrics B V Postbus 111 3870 CC Hoevelaken The Netherlands Telephone 31 0 33 253 64 44 Fax 31 0 33 253 72 69 E mail info panametrics nl France Panametrics S A BP 106 11 Rue du Renard 92253 La Garenne Colombes Cedex France Telephone 33 0 1 47 82 42 81 Fax 33 0 1 47 86 74 90 E mail panametrics
96. nt units or a shorter time interval for the current measurement parameter For example choose MGAL M instead of GAL M in the CHx SYSTM menu see page 2 3 Error Codes 5 3 Chapter 6 Diagnostics IMFOdUCHOD 5332304 ie Aa e Rn ades ea dace 6 1 Displaying Diagnostic 6 1 Using the Tracking Window 6 4 Diagnostic 6 5 Flow ell Problems 6 6 Transducer Problems February 2002 Introduction Displaying Diagnostic Parameters This chapter explains how to troubleshoot the Model 868 if problems arise with the electronics enclosure the flowcell or the transducers Indications of a possible 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 The Model 868 has built in Diagnostic Parameters to aid in the troubleshooting of flowcell transducer and or electrical problems To access these parameters do the following refer to Figure A 2 on page A 2 in Appendix A Menu Maps Accessing the Display submenu 1 Press ESC ENTER ESC The meter enters the user
97. o Problems cont 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 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 Panametrics if you cannot solve a transducer related problem 6 10 Diagnostics Chapter 7 Parts Replacement INMOGUCHON 333 n se oce ae eu c dta 7 1 Replacing the LCD 7 2 Replacing the Fuse 7 3 Replacing User Program February 2002 Introduction The Model 868 has been designed to permit easy on site upgrades and parts replacement The instructions in this chapter along with a few common tools are all that is required to perform the following tasks replacing the LCD display keypad replacing the fuse replacing the User Program IWARNING Prior to performing any maintenance procedures be sure to disconnect the main power from the unit Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible
98. ons cont Output Units Velocity Feet per second ft s Meters per second m s Volumetric Flow Cubic feet ft per second minute hour Million cubic feet ft per day Gallons gal per second minute hour Millions of gallons per day Barrels per second minute hour Millions of barrels per day Acre inches per second minute hour day Acre feet per second minute hour day Cubic meters m per second minute hours day Liters L per second minute hour Megaliters per day Totalizer forward and reverse Cubic feet Million cubic feet ft Gallons gal Million of gallons Barrels Millions of barrels Acre inches Acre feet Cubic meters m Million cubic feet Liters L Megaliters Barrels Megabarrels Certifications EMC Directive 89 336 EEC and 73 23 EEC Low Voltage Directive Installation Category II Pollution Degree II For EN 61000 4 3 product meets Performance Criteria A and in a limited number of frequencies Criteria B per EN 61326 CE Marking 1010 CSA NRIL PC Interface Software Instrument Data Manager IDM software option links the AT868 to a PC computer Software package includes 3 5 inch diskette interconnection cable and manual Specifications 8 3 February 2002 Transducer Specifications Wetted Transducers Temperature Range Standard 40 to 212 F 40 to 100 C Optional overall range 3289 to 500 F
99. ove steps the user program returns to the Channel PROGRAM window Do one of the following To continue entering quick startup data press ESC once and proceed to Step 3 in Entering Global System Data on page 2 22 To continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times Near a zero flow rate the Model 86875 readings may fluctuate due to small offsets caused by thermal drift or similar factors To force a zero display reading when there is minimal flow enter a zero cutoff value as described below While programming these parameters refer to Figure A 1 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until appears and press ENTER 5 Enter a value from 0 to 1 ft sec 0 to 0 30 m sec for the zero cutoff by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER The recommended setting is 0 1 ft sec 0 03 m sec What s Next After completing the above steps the user program returns to the Channel PROGRAM window Do one of the following continue reg
100. page A 1 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Access the PIPE submenu Press ESC ENTER ESC The meter enters the user program Press until PROG appears and press ENTER Press until the desired channel appears Press ENTER at CH1 or CH2 Press until PIPE appears and press ENTER Doone of the following Standard transducers enter the transducer number by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER Proceed to the next step Special transducers proceed to Special Transducers below IMPORTANT Special transducers have no engraved number on the head and are rarely used Examine the transducer head carefully for a number Go to one of the following sections Standard clamp on transducers proceed to Pipe Material on page 2 7 Standard wetted transducers proceed to Pipe Outside Diameter on page 2 8 Fora special transducer press to move the cursor to STD and press T until SPEC appears and press ENTER Assign a number between 90 and 99 to the special transducer Enter the number by using the arrow keys Press lt to move the cursor to desired location and press and to increase or decrease the number and press ENTER Press lt and to select the wedge typ
101. press ENTER Press to select the desired number of digits to the right of the decimal point in the totalized flow rate display and press ENTER 2 22 Programming Site Data February 2002 Ha i ee Entering Global Setting Up the External Totalizer Reset Switch System Data GLOBL SYSTM cont The GATE OPTION enables you to configure an external reset switch that can reset totals by activating a switch that is remotely located from the electronics To connect an external reset switch refer to Wiring the External Totalizer Reset Switch on page 1 13 IMPORTANT 77e hardware for the switch is user supplied Panametrics only supplies the software to configure the switch and test points to connect the switch 6 At GATE OPTION prompt press to select one of the following and press ENTER RESET the meter resets totals to zero for both channels and then immediately begins to accumulate again HOLD the meter holds totals at the current point for both channels The meter will not accumulate as long as the switch remains closed This option is typically used for calibration 7 Do one of the following If MASS FLOW is ON and both channels are active for 2 channel units only proceed to Selecting the Mass Flow Units on the following page Both channels must be active f MASS FLOW 1 OFF and or o
102. ral Specifications Hardware Configuration Environmental Flow Accuracy 96 of Reading Range Rangeability Repeatability Fluid Types The general specifications for the Model AT868 flow transmitter are divided into the following categories Channel Options Standard 1 Channel Optional 2 Channel Path 2 paths per pipe Package Options General purpose NEMA 4X powder coated aluminum Wall mount Dimensions 2 2 b 1 6x4 x3 in 152 4 x 101 6 x 76 2 mm Ambient Operating Temperature 14 to 140 F 10 to 60 Storage Temperature 4 to 167 20 to 75 Accuracy specifications assume a fully developed flow profile and a straight run of 10 pipe diameters upstream and 5 pipe diameters downstream Pipe Diameter ID gt in 150 mm Velocity gt 1 ft s gt 0 3 m s 2 typical 0 5 to 196 with calibration Velocity lt 1 ft s 0 3 m s 0 03 ft s 0 01 m s typical Pipe Diameter ID 6 in 150 mm Velocity gt 1 ft s gt 0 3 m s 2 to 596 typical Velocity lt 1 ft s lt 0 3 m s 0 03 ft s 0 01 m s typical 40 to 40 ft s 12 2 to 12 2 m s 400 1 Wetted Transducers 0 296 of full scale Clamp on Transducers 0 2 to 0 596 of full scale Note Specifications assume a fully developed flow profile with a straight run of pipe 10 diameters upstream and 5 diameters downstream Water and wastewater Specifications 8 1 Fe
103. rates refer to the next page MASS enable mass flow calculated for static fluid density refer to page 2 20 CODEL select the size of the transducer transmission signal refer to page 2 21 Programming Site Data 2002 Entering KV SS Table Use this option to calculate the kinematic viscosity KV based on 55 signal strength SS Complete following steps to enter and SS values 1 9 d A Un Press ESC ENTER ESC The meter enters the user program Press until PROG appears and press ENTER Press until the desired channel appears Press ENTER at CH1 or CH2 Press until SETUP appears and press ENTER Press until ADVAN appears and press ENTER Press until KV SS appears and press ENTER Enter the number of kinematic viscosity sound speed pairs 2 to 20 by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER Enter the signal strength value 50 0 to 85 0 by using the arrow keys Press lt and gt to move the cursor to desired location and press 1 and to increase or decrease the number and press ENTER IMPORTANT You must enter the KV vs SS pairs in descending order of KV and ascending order of SS For example if pair 1 is KV 10 centistokes and SS 62 then pair 2 must be KV 10 centistok
104. rformed By E 2 Service Record February 2002 Diagnostic Parameters After a successful initial installation of the Model AT868 and whenever any system malfunction is noticed the values for the diagnostic parameters should be entered in Table E 2 below Table E 2 Diagnostic Parameters Parameter Initial Channel 1 Current Parameter Initial Channel 2 Current UP Sig Stren UP Sig Stren DN Sig Stren DN Sig Stren Sound speed Sound speed UP Transit UP Transit DN Transit DN Transit Delta T Delta T Reynolds Reynolds K RE K RE Theta 3 Theta 3 UP Signal Q UP Signal Q DN Signal Q DN Signal Q UP Amp Disc UP Amp Disc DN Amp Disc DN Amp Disc UP Peak UP Peak DN Peak DN Peak UP Norm F UP Norm F DN Norm F DN Norm F 1 1 SIGMA SIGMA ERRS ERRS 1 available only for Clamp on transducers Service Record E 3 Menu Maps for IDM The Channel Status System Pipe Parameters and Input Output Men Mapas 933 eo nca ren F 1 The Global Menu Map F 2 The Channel SETUP Menu Map F 3 The Calibration Test Pause Measurement an
105. rics of the transducer by using the arrow keys Press lt and to move the cursor to desired location and press and to increase or decrease the number and press ENTER Proceed to Pipe Material below 2 6 Programming Site Data February 2002 MF Pipe Material If a standard clamp on transducer is being used the programming sequence should be rejoined here 1 Press lt and to select the pipe material and press ENTER Some of the pipe materials above require additional selections See a complete list of choices in Table2 1 below Table 2 1 Pipe Material Choices STEEL Carbon Stainless Steel IRON Ductile Cast Cu Copper no additional selection required A Aluminum no additional selection required BRASS no additional selection required CuNi Copper 70 Cu 30 Ni Nickel 9096 Cu 10 Ni GLASS Pyrex Heavy silicate flint Light borate crown Plastic Nylon Polyethylene Polypropylene PVC CPVC Acrylic OTHER Enter the sound speed of the pipe material by using the arrow keys Press lt and gt to move the cursor to desired location and press and to increase or decrease number and press ENTER If the sound speed is unknown refer to the Sound Speeds and Pipe Size Data manual 914 004 Programming Site Data 2 7 February 2002
106. ries EMC Compliance For EMC compliance the electrical connections must be shielded and grounded as in Table B 1 below Also refer to Figures B 1 and B 2 on the next page for illustrations of wiring After all the necessary electrical connections have been made seal any unused cable entry holes with standard conduit plugs or equivalent Note f the instructions in this appendix are followed the unit will comply with the EMC Directive 89 336 EEC Table B 1 Wiring Modifications Transducer RG62 a u Termination Modification Add metallic cable clamp from braid to chassis ground Armored RG62 a u or conduit Terminate RG62 a u shield to chas sis ground Input Output 22 AWG Shield e g Baystate 78 1197 Terminate shield to chassis ground at the AT868 Armored conduit None grounded via cable gland 14 AWG 3 conduc tor shielded e g Belden 19364 Terminate shield to chassis ground at the AT868 Armored Conduit None grounded via cable gland Shielding Wires enclosed in a properly grounded metal conduit do not require additional shielding CE Mark Compliance B 1 February 2002 LVD Compliance For compliance with the European Union s Low Voltage Directive 73 23 EEC the analyzer requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and loca
107. rogram Solid or gas particulates may be present in the flowcell Poor coupling for clamp on transducers Refer to Chapter 6 Diagnostics to correct any flowcell problems 5 2 Error Codes February 2002 E6 Cycle Skip E7 Analog Out Error E8 Unassigned E9 Totalizer Overflow E10 Unassigned E11 Unassigned E12 Unassigned E13 Volumetric Overflow Problem Cause Action Problem Cause Action Problem Cause Action Problem Cause Action The acceleration exceeds the limits programmed in the SETUP SIGNL submenu of the User Program This condition is usually caused by poor flow conditions or improper transducer alignment Refer to Chapter 6 Diagnostics to correct any flowcell and or transducer problems The current in the analog output circuit exceeds the limits for the analog output port The output load exceeds the specified limits for the analog output port Make sure the output load is 600 ohms for the analog outputs Check wiring The totalizers are unable to keep up with the total accumulated flow signals The programmed units pulse value is too small Select a larger number of units pulse value or decrease PULSE ON TIME This error code message indicates that the present measurement exceeds the range of the meter A mathematical overflow has occurred in either the volumetric or mass flow calculations Select larger measureme
108. s widely due to temperature variations or other factors 1 Atthe TRACKING WINDOWS prompt select YES If you do not know the fluid sound speed proceed to Step 2 NO If you do know the fluid sound speed proceed to Fluid Type on the next page Doone of the following If the fluid sound speed varies over a wide range the Tracking Window must remain active Proceed to Fluid Type on the next page to complete programming your meter Ifthe sound speed is fairly constant or you want to determine if the sound speed is constant proceed to Step 3 Proceed to Fluid Type on the next page to complete programming your meter When you have completed programming proceed to Using the Tracking Window on page 6 4 Programming Site Data 2 9 2002 Fluid Type Reynolds Correction The selections for fluid type vary depending on whether the Tracking Window is enabled or disabled Press and to select the desired fluid and press ENTER Refer to Table 2 2 below for a list of available fluids Table 2 2 Fluid Types Tracking Windows z NO YES WATER W100 Water 0 100C OTHER W260 Water 0 260C Oil Tracking OTHER If you selected OTHER enter the additional information as prompted by using the arrow keys Press lt to move the cursor to desired location and press and to increase or decrease the number and press ENTER
109. splayed as the average If both channels paths are in error the last average reading is held What s Next 1 If one channel path is in error totalizing continues If both channels paths are in error totalizing stops After completing the above steps the user program returns to the Global I O window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times Programming Site Data 2 27 February 2002 Setting Up Analog and Totalizer Frequency Outputs OPTN Analog Output Model 868 has one built in analog output and one totalizer frequency output for each channel which must be set up To accomplish this refer to one of the following sections Analog Output refer to section below Totalizer Frequency Output refer to the next page Accessing Output A or Output C Output A and C are analog outputs that can be configured independently Typically Output A is used for Channel 1 and Output C is used for Channel 2 however analog outputs can be configured to measure either channel 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until GLOBL appears and press ENTER 4 Press until I O appears and press ENTER 5 Press until OPTN appears and press ENTER 6 Pre
110. ss to select or C and press ENTER Setting Up Output Scale 1 Press to select the desired output scale and press ENTER 2 Doone of the following f you selected OFF the meter returns to the Global I O window Proceed to What s Next on the following page f you are using a 1 channel meter go to Step 4 f you are using a 2 channel path meter go to Step 3 3 At Channel press to select the desired channel path and press ENTER 4 Press to select the desired measurement parameter and press ENTER Note The measurement units that appear in these prompts are those selected in the GLOBL SYSTM menu earlier in this section 5 At BASE enter a flow rate value for the low end of the analog output range by using the arrow keys Press lt and to move the cursor to desired location and press and J to increase or decrease the number and press ENTER 2 28 Programming Site Data February 2002 Analog Output cont Totalizer Frequency Output 6 At FULL enter a flow rate value for the high end of the analog output range by using the arrow keys Press and to move the cursor to desired location and press and to increase or decrease the number and press ENTER What s Next After completing the above steps the user program returns to the Global I O window Do one of the following To continue regular programming refer to Appendix A Menu M
111. ss until TRANS appears and press ENTER Selecting TRANS activates the channel path If you have a 2 channel path unit you can also disable a channel path If you select OFF you will not be able to program that channel path What s Next After completing the above step the user program returns to the Channel PROGRAM window Do one of the following To continue entering quick startup data press ESC once and proceed to Step 3 in the following section To continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times 2 2 Programming Site Data February 2002 Entering System Data for a Channel Path CHx SYSTM The CHx SYSTM submenu is used to enter system parameters for the individual channels paths When channels paths operate separately the AT868 uses the system parameters in this menu When channels paths are averaged together the AT868 uses parameters selected in the GLOBL SYSTM submenu While following the programming instructions refer to Figure A 1 on page A 1 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Accessing the CHx SYSTM submenu 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until SYSTM appe
112. structions for returning the instrument to the factory it must be sent prepaid to the authorized repair station specified in the shipping instructions 3 If the warranty has expired or the damage has been caused by misuse or abnormal operating conditions an estimate will be provided before any repairs are begun February 2002 Y Table of Contents Chapter 1 Installation Henri ECT 1 1 PERPE 1 2 Site Considerations EV RR i eR DR eol in 1 2 Electronics Enclosure Location 1 2 Blowcell E ocation s i v onset ee Une Nb exea Di tta ee 1 2 Transducer Locationz cbe Ree 1 2 Cable Lengths m ERI ELA 1 3 Transducer Cables oU lU ied 1 3 Installing Uer ees toh edad bed 1 3 Mounting the AT868 Electronics 1 1 4 Making the Electrical 1 4 Preparing the Unit Before Making Electrical Connections 1 4 Wiring the Line Power wehbe ER te p Neo ode be abet os 1 5 Wiring the Transducers oiu RR tete ete eu thus 1 7 Wiring the Standard 0 4 20 mA Analog 1 8 Wiring the Totalizer Frequency
113. surements and exits the Edit Functions menu 3 4 Displaying Data Chapter 4 Calibration INntrOGUCTION x 424456445025 AR Re clem 4 1 Calibrating and Testing the Analog Outputs 4 1 Testing the Output 4 3 Testing the Totalizer Frequency Outputs 4 4 February 2002 Introduction Calibrating and Testing the Analog Outputs Use this menu to calibrate and test the analog and totalizer frequency outputs Refer to Figure A 4 on page A 4 in Appendix A Menu Maps while following the calibration instructions Model 868 flowmeter includes one built in analog output per channel with a resolution of 5 0 0 03 full scale Although one analog output is provided for each channel the outputs are channel independent Typically Output A is used for Channel 1 and Output C is used for Channel 2 however analog outputs can be configured to measure either channel Both the zero point and full scale values for these outputs must be calibrated Once they are calibrated the linearity should be tested Note 77e zero point of the analog output may be set for either 0 mA or 4 mA However the calibration procedure always uses the 4 mA point as the meter will extrapolate this value to obtain the 0 mA point Preparing for Calibration Prepare for calibration by inserting an ammeter in series with the load on analog output 1 or 2
114. ted within 1 8 m 6 ft of the ModelAT868 Note Jf the instructions in this appendix are followed the unit will comply with the Low Voltage Directive 73 23 EEC ic AMA CY mm nul OID aa 79 7 Figure B 2 Enlargement of 1 B 2 CE Mark Compliance Data Records Site Data February 2002 Site Data After the Model 868 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 Global System Mass Flow Units Mass Flow Time MDOT Dec Dig Mass Totals Mass Dec Dig Meter Message System Units Metric Vol Units Vol Dec Digits Totalizer Units Tot Dec Dig English Global Input Output Error Handling Error Handling 2 Path Error No Global Communications Channelx Status Transit Channelx System Yes Channel 1 oft Channel 2 if applicable Channel Status ort Channel Status Transit Channel 1 Channel 2 if applicable Channel Label Channel Label Chan Message Chan Message Vol Units Vol Units Vol Dec Digits Vol Dec Digits Totalizer Units Totalizer Units Tot Dec Dig Tot Dec Dig Mass
115. tem using a factory configured 5485 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Feed the wires through the conduit hole and wire lead TMT to pin 2 RX on the COMMUNICATION terminal block refer to Figure 1 4 on page 1 16 for the terminal block location 3 Wire lead TMT to TX pin 1 TX on the COMMUNICATION terminal block and secure the cable clamp 4 Connect the other end of the cable to the control system Installation 1 13 February 2002 Wiring the External Totalizer Reset Switch What s Next Your Model 868 can be wired with an external switch for resetting the meter s totalizer values When properly configured pressing the switch will reset the totalizer values to zero for both Channel 1 and Channel 2 if present IMPORTANT The Model 868 only supplies the capability to connect and use the switch The user must supply all the actual switch and wire to connect it Use the steps below to connect an external reset switch IWARNING Always disconnect the line power from the Model AT868 before removing front cover 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Use Figure 1 4 on page 1 16 to properly connect the external switch to the AT868 3 If wiring of the unit has been completed replace the plastic shroud reinstall the front cover on the enclosure and tighten the screws 4 Before you can used the exter
116. th the new address number 6 Press to select a baud rate and press ENTER What s Next After completing the above steps the user program returns to the Global PROGRAM window Do one of the following continue regular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times 2 32 Programming Site Data February 2002 EEE Y Configuring the Output Output B and or D can be configured as a totalizer or frequency as a Totalizer or output using nstrument Data Manager software Before the output Frequency Output can be configured theAT868 must be connected to a PC using the serial port see Wiring the Serial Port on page 1 10 Use the following steps to configure the output 1 Open the S TE EDIT MENU from the CALIBRATION TEST menu 2 Select Hardware Test 3 Select SET TOT FREQ 4 Use the pull down menu to select the desired output frequency or totalizer and press Next Item Enter 5 To leave the User Program press Exit Page twice Programming Site Data 2 33 Chapter 3 Displaying Data INFOOdUCHOD 5334 rei o ex CR acc dE o d e 3 1 Adjusting LCD Contrast and Brightness 3 1 Setting Up the 3 2 Resetting 3 3 Pausing and Restarting the Measurement 3 4 February 2002 EEE
117. ting for Single Channel 2 25 See Liquid Crystal Display Selecting for Two Channel 2 25 Leaks Transducers 6 8 Error Message Display 5 1 Linearity 4 3 4 4 Lining 2 9 Liquid Crystal Display 3 1 7 2 Flowcell Installitig 1 3 a 22 Flowcell Problems Replacing eR e ehe hot 7 2 cte RR nos 6 6 Mow Signal Erropa ves vlcera n fre 2 5 6 7 6 8 Fluid See CE Mark B 1 Physical 6 6 Problems nit han 6 6 M 6 7 Mass 2 20 Fluid Soundspeed Finding 6 4 Menu Map Fluid Type 2 10 Analog A 2 F 2 1 2 Frequency Totalizer Output 4 4 1 4 2 33 Comm 2 F 2 1 2 Setting ek RR LR 2 29 Error Handling A 2 F 2 1 2 Testi oet o A E 4 4 4 5 Input Output Channel A 1 F 1 1 1 Fuse Liquid Crystal Display A 2 F 2 1 2 Chur 8 2 Pause eles Tacit Sheets A 2 F 2 1 2 Replacing eere Ree 7 3 Pipe Parameters
118. tion 7 NOTE For compliance with the European Union s Low Voltage Directive 73 23 a transparent plastic shroud protects the electrical connections The shroud must remain in place except while wiring the unit Reinstall the shroud after the wiring has been completed Backlight Adjustment RS232 RS485 SERIAL PORT 6 56 Color Description TX Black TOTALIZER FREQUENCY OUTPUT 1 For Red Green Ground Pin No Description RING CTS Yellow Clear To Send DTR White Data Terminal Ready For standard Panametrics cables 704 659 660 661 o and 662 e Cllr TRANSDUCER Extemal Totalizer Reset Switch ge D Wire totalizer reset switch between Color escription test points E5 and E9 Red Downstream SIG 5 IMPORTANT Hardware for the extemal Black Downstream switch user supplie
119. to plan the 868 installation The standard Model 868 electronics enclosure is a powder coated aluminum NEMA 4X IP66 weatherproof 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 Note For compliance with the European Union s Low Voltage Directive 73 23 EEC this unit requires an external power disconnect device such as a switch or circuit breaker The disconnect device must be marked as such clearly visible directly accessible and located within 1 8 m 6 ft of the Model AT866 Ideally choose a section of pipe with unlimited access for example a long stretch of pipe that is above ground However if the flowcell is to be mounted in an underground pipe dig a pit around the pipe to facilitate installation of the transducers For a given fluid and pipe the ModelATS868 s accuracy depends primarily on the location and alignment of the transducers In addition to accessibility when planning for transducer location adhere to the following guidelines Locate the transducers so that there are at least 10 pipe diameters of straight undisturbed flow upstream and 5 pipe diameters of straight undisturbed flow downstream from the measurement point Undisturbed flow means avoiding sources of turbulence in the fluid such as valves flanges expansions and elbows avoidi
120. tor upward and pulling the ribbon cable out Procedure for Installing New LCD Keypad Board 1 4 Insert the keypad ribbon from the new board into the connector and re lock the connector by sliding the tabs downward Make sure the cable is not twisted Place the new LCD keypad board in position over the Channel 1 board making sure to align the connector on the bottom of the LCD keypad board with the pins on the Channel 1 board Firmly push the two boards together Secure the LCD keypad board to the Channel 1 board with the four screw flat washers and lock washers previously removed Replace the cover and tighten the six set screws The meter is now ready to be placed back into service IWARNING Before powering up the AT868 make sure all the lock washers have been replaced Washers or other metal components left inside the enclosure may cause electrical problems 7 2 Parts Replacement February 2002 _ C i eS Replacing the Fuse Use the steps below to replace the AT868 fuse refer to Figure 7 1 on page 7 7 1 Disconnect the power to 868 and move the electronics enclosure to a flat service IWARNING The main power to the Model AT868 must be disconnected before proceeding 2 Loosen the six set screws on the front cover Remove the front cover 3 Remove the four screws from the bottom mounting plate 4 Remove the mounting plate from the chassis Loosen
121. trics for information on transducers in materials suitable for the application INTERNAL DAMAGE An ultrasonic transducer consists of a ceramic crystal bonded to the transducer case The bond between the crystal and the case or the crystal itself may be damaged by extreme mechanical shock and or temperature extremes Also the internal wiring can be corroded or shorted if contaminants enter the transducer housing Diagnostics February 2002 Wetted Transducer Problems cont Clamp on Transducer Problems 4 PHYSICAL DAMAGE Transducers may be physically damaged by dropping them onto a hard surface or striking them against another object The transducer connector is the most fragile part and is most subject to damage Minor damage may be repaired by carefully bending the connector back into shape If the connector can not be repaired the transducer must be replaced IMPORTANT Transducers must be replaced in pairs Refer to Chapter 2 Programming Site Data to program the new transducer data into the meter If the instructions in this section fail to resolve the problem contact Panametrics for assistance 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 trans
122. ular programming refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC three times Programming Site Data February 2002 Entering Setup Data CHx SETUP Set Transducer Signal Settings SIGNL The signal limits and response times for the Model AT868 are specified via the SETUP submenu The following submenus are included in this section SIGNL set the parameters related to the transducer signal AVRG specify the response of the meter to step changes NIT initialize all parameters to default values ADVAN enable mass flow edit kinematic viscosity vs sound speed table activate K factors and select transmit code length While following the programming instructions refer to Figure A 3 in Appendix A Menu Maps Remember to record all programmed data in Appendix C Data Records Use this option to set the limits for the incoming signal and other parameters affecting the transducer signal For example the programmed signal strength low limit may be used to determine the trigger point for an alarm Caution The SIGNL default settings are suitable for most applications Consult the factory before changing any of these parameters 1 Press ESC ENTER ESC The meter enters the user program 2 Press until PROG appears and press ENTER 3 Press until the desired channel appears Press ENTER at CH1 or CH2 4 Press until SETUP appears
123. ured as a totalizer or frequency output using the Instrument Data Manager IDM software Like the analog outputs these outputs can also be configured independently Typically Output B is used for Channel 1 and Output D is used for Channel 2 however outputs can be configured to measure either channel Figure 1 1 below shows a sample wiring diagram of a totalizer and frequency output circuit Pulse Frequenc 45V IN Common Figure 1 1 Totalizer Frequency Output Wiring IWARNING DO NOT CONNECT EXTERNAL POWER TO THE PULSE FREQUENCY OUTPUT TERMINALS To wire the totalizer frequency outputs complete the following steps 1 Follow the instructions on page 1 4 to prepare the unit before you connect power 2 Refer to Figure 1 4 on page 1 16 for the location of the appropriate terminal blocks and wire the totalizer frequency outputs as shown Secure the cable clamp Note Analog outputs 1 and 2 in the wiring diagram correspond to analog outputs B and D in the 868 software IWARNING To meet CE Mark requirements all cables must be installed as described in Appendix B CE Mark Compliance 3 Do one of the following Proceed to the next section to continue wiring the Model AT868 flow transmitter Reinstall the plastic shroud replace the front cover on the enclosure and tighten the screws Installation 1 9 February 2002 MEN Wiring the Serial
124. usted with 5 0 WA of the 4 mA setting select to end calibration and contact the factory for assistance What s Next After completing the above steps the meter returns to the ANALOG OUTPUT window Do one of the following Proceed to Step 1 under Testing Linearity on the next page To perform another programming function refer to Appendix A Menu Maps to navigate to the desired menu Toleave the User Program press ESC four times 4 2 Calibration February 2002 SS Testing the Output Accessing the Calibration Menu Linearity 1 Press ESC ENTER ESC The meter enters the user program 2 Press until CALIB appears and press ENTER 3 Press until SLOTO appears and press ENTER 4 Press until A or C appears and press ENTER Testing Linearity 1 Press to select Test and press ENTER 2 Enter 50 by using the arrow keys Press and to move cursor to desired location and press and J to increase or decrease the number and press ENTER 3 Check the ammeter reading Table4 1 below lists the expected ammeter readings at various Full Scale settings for both 4 20 mA and 0 20 mA scales Refer to this table to verify the accuracy of the ammeter readings taken above Note f the linearity test readings are not with 5 of the values listed in Table 4 1 check the accuracy and wiring of the ammeter Then
125. utside the inside diameter ID of the pipe or slightly retracted inside the coupling M CL Figure 0 2 Determining the Pipe Coupling Length Use the following formula to determine the P dimension ID 2 WT cos MA 2 CL FD P Dimension For example given the following inside diameter ID 48 wall thickness WT 3 8 installed coupling length CL 2 0 a transducer face depth FD 1 75 mounting angle MA 45 The P dimension would be 48 2 3 8 0 7071 2 2 0 1 75 69 4 D 2 Measuring P and L Dimensions Appendix E Service Record Introd ction 2x0 eh RAR RAN HAS AR ASS Data Entry 55324 naa ee ees Diagnostic Parameters February 2002 Introduction Whenever any service procedure is performed on the Model AT868 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 868 in Table E 1 below Make additional copies of the table as needed Table E 1 Service Record Description of Service 1 February 2002 EEO Table E 1 Service Record cont Description of Service Pe
126. w minutes in order to track the fluid sound speed 2 Press ESC ENTER ESC The meter enters the user program 3 Press until PROG appears and press ENTER 4 Press until GLOBL appears and press ENTER 5 Press until I O appears and press ENTER 6 Press until LCD appears and press ENTER Configuring the Display 1 At of LCD PARAMS press 7 to select the desired number of parameters to be sequentially displayed and press ENTER For 1 channel path AT868 proceed to Step 3 For 2 channel path meter proceed to Step 2 2 Press gt to select the desired channel path option and press ENTER 3 At Measurement press to select SNDSP and press ENTER 4 The previous two prompts repeat until all of the specified of LCD PARAMS have been set up 5 Press ESC four times to exit the User Program 6 Wait for the 868 to display the sound speed If the sound speed remains fairly constant record it and proceed to the next section If the sound speed is not constant leave the Tracking Window ON and reconfigure the display as described above to show the desired measurements Note f you are unsure if the sound speed is fairly constant consult Panametrics 6 4 Diagnostics February 2002 Using the Tracking Window cont Diagnostic Record Deactivating the Tracking Window 1 Press ESC ENTER ESC The meter enters the user progr
127. y absorb ultrasound energy In such a case an E1 error code message will appear on the display screen to indicate that the ultrasonic signal strength is insufficient for reliable measurements Diagnostics February 2002 HEa XKe A QE CIN C RT Fluid Problems cont 4 The fluid sound speed must not vary excessively The Model 868 will tolerate relatively large changes in the fluid sound speed as may be caused by variations in fluid composition and or temperature However such changes must occur slowly Rapid fluctuations in the fluid sound speed to a value that is considerably different from that programmed into the AT868 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 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 flowcell or transducers often cures such problems and in some cases transducers that protrude into t

Model AT868 AquaTransTM Ultrasonic Flow Transmitter for Water (1

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