Manuale d’uso / di manutenzione del prodotto DF-745 del fabbricante Delta Faucet
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NanoTrace Moisture A naly zer DF - 745 Enter Next Menu ESC Instruction Manual Firmware Version 3.1. 5 DELTA F CORPORATION 4 Constitution W ay, W oburn, MA 01801 - 1087 Telephone: (781) 935 - 4600 FAX:.
Copyright 2004 - 2010 by Delta F Corporation No part of this publication may be reproduced, stored in a retrieval sy stem or transmitted in any form, or by any means including electronic, mechanical, photocopy ing, recording or otherwise without prior writte n permission of Delta F Corporation.
Read Me First… Unpacking Procedure Follow the procedure below to unpack your NanoTrace Moisture Analyzer 1. Examine the condition of the packaging and its contents. If any damage is apparent, immediately notify the carrier and Delta F. Do not proceed with th e i nstallation.
Unlike much UHP analytical equipment, NanoTrace Moisture Analyzer d oes not requi re constant m aint enance. However the maintenance intervals for zero and span calibrations, must be determined and followed carefully. Thank You Thank you for selecting the NanoTrace Moisture Analyzer.
Table of Contents DF -745 1 1 Table of Contents 1 Table of Contents ................................ .................................... 1 1.1 Table of Figures ..........................................................................................
2 DF -745 Table of Contents 7.4.3 Calibrate Menu ........................................................................................ 38 7.4.4 Data History Routine ............................................................................... 42 7.
Table of Contents DF -745 3 1.1 Ta ble of Figures Figure 1: Overall View .............................................................................................................................. 11 Figure 2: Major Internal Components ............
4 DF -745 Table of Contents Figure 49: Alarm Setup Menu ................................................................................................................... 51 Figure 50: Alarm Setup Screen ..............................................
Table of Contents DF -745 5 Table of Tables Table 1: Recommended Sample Outlet Vacuum Pressure .......................................................................... 21 Table 2 : Pin - out of Serial Comm Connector J5 ..............................
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Cautions DF -745 7 2 Cautions There are a number of warnings and cautions that must be observed to avoid damage to the analyzer as well to insure the safety of its users.
8 DF -745 Cautions CAUTION Do not setup or operate this analyzer w ithout a complete understanding of the instructions in this manual. Do not connect this Analyzer to a pow er source until all signal and plumbing connections are made.
Specifications DF -745 9 3 Specifications 3.1 Moisture Lowest Detection Level (LDL): 2 ppb @ Constant Conditions Res olution: Analyt ical (Smallest Detectable Change): .
10 DF -745 Specifications Audible/Visual Alarm Status Indicators: Four Moi sture l evels, Temperature, Moi sture cel l Diagnostic, Zero Verification or Calibration in Process, Moisture Analyzer of f - line, Analog output freeze during calibration.
Specifications DF -745 11 9.45 [239.90] Enter Next Menu ESC 5 5 RLY4-COM RLY2-COM RLY1-COM RLY1-NO RLY1-NC KEY 4 4 RLY3-NC 1 2 3 KEY 3 2 1 RLY3-COM RLY3-NO RLY2-NO RLY2-NC GND 8 6 7 GND 8 7 6 RLY4-NO RLY4-NC RX+ TX+ 3 3 1 2 1 2 4-20mA- 4-20mA+ TX- GND RX- KEY 8 7 6 4 5 KEY GND 8 7 6 4 5 AOUT- AOUT+ ~ ~ ~ ~ ~ ~ NOT USED 1.
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Installation, Start Up and Shut Down DF -745 13 4 Installation, Start Up and Shut Down Installation of the analyzer requires the following steps be followed: Connecting the N2/Air supply to the as.
14 DF -745 Installation, Start Up and Shut Down 4.1 Analy zer Inst allat ion 4.1.1 Vacuum Source 4.1.1.1 Aspirator The standard vacuum source provided with the DF - 745 analyzer is a factory installed aspirator as shown i n Figure 3 . Aspirator i nstallation wit h the opti onal gas panel is identical.
Installation, Start Up and Shut Down DF -745 15 Be sure to use a backup wrench when making all connections to the aspirator. 4.1.1.2 Vacuum Pump An optional vacuum pump can be purchased for those case.
16 DF -745 Installation, Start Up and Shut Down See page 25 fo r i nfo rm ati on on the i nstallation of the optional vacuum pump. PROCESS OUTLET PROCESS INLET NOT USED 5 5 RLY4-COM RLY2-COM RLY1-COM .
Installation, Start Up and Shut Down DF -745 17 4.1.4 Electrical Connections Open the door and locate the power switch in the center of the upper rail. Be sure it is in th e OFF position. Plug the line cord (supplied with 110VAC units only) into the receptacle at the back of the analyzer.
18 DF -745 Installation, Start Up and Shut Down RLY4-NC RLY4-NO GND RLY3-NO RLY3-COM KEY RLY3-NC RLY4-COM 7 8 NOT USED RLY2-NO KEY RLY1-NC RLY1-NO RLY1-COM RLY2-COM 3 1 2 6 4 5 GND RLY2-NC 5 RX- RX+ 1.
Installation, Start Up and Shut Down DF -745 19 4.2 Analy zer Start Up It i s important to note that, i f equipped with automatic gas valves, the moisture cel l is iso lat ed from gas flow while the analyzer is off power. Open the door and turn on the power usi ng the main power switch inside the analyzer.
20 DF -745 Installation, Start Up and Shut Down The moi sture cel l outl et wi ll be connected to the suppl ied aspirator or , i f equipped, to the vacuum pump . The sample inlet to the moisture analyzer, as well as the zero gas inlet, are heated to 60 C.
Installation, Start Up and S hut Down DF -745 21 e. Use the regulator to adj ust the flow through the cell to 1 slpm (2 scfh) as shown on the flowmeter behind the front door. NOTE: This flow rate may be reduced to m inimize gas consumption but the flow rate will directly impact the overall system speed of response.
22 DF -745 Installation, Start Up and Shut Down valve closes as well. Throughou t thi s process a message appears over the display instructing th e user to wai t 40 seconds.
Installation, Start Up and Shut Down DF -745 23 H O 2 REGULATOR ADJUSTMENT PROCESS INLET BYPASS OUTLET BYPASS FLOWMETER BYPASS FLOW ADJUST FLOW METER REAR PANEL FLOWSWITCH (FRONT) (REAR) PI .
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Options DF -745 25 5 Options The following options to the DF - 745 are available at the time of order. 5.1 Key Lock An optional key lock can be installed in the door of the analyzer to prevent access to the power swi tch and other inte rnal components.
26 DF -745 Options breaker switch . The pump connection should be made directly to the Moisture Sample Outl et as described in section 5.6.2 . PLASTIC TUBING SUPPLIED TO MOISTURE SENSOR OUTLET POWER CORD TO VACUUM PUMP POWER CONNECTOR Figure 11 : Vacuum Pump Asse mbly 5.
Options DF -745 27 Ø.28 [Ø7.14] 4 PL MOUNTING FOR BOTTOM OF BRACKET 5.17 [131.32] 4.92 [124.97] Ø .28[ Ø 7.14] 4 PL MOUNTING FOR REAR OF BRACKET Ø.28 [Ø7.14] 4 PL MOUNTING FOR LEFT OR RIGHT SIDE OF BRACKET 3.94 [100.08] 2 PL 3.94 [100.08] 2 PL 4.
28 DF -745 Options 5.6.2 Moisture Sample Gas Outlet Connection to Vacuum Pump The samp le gas outlet connection is a ¼ inch compression fitting labeled Moisture Sensor Outl et as shown in Figure 4 and Figure 5 .
Options DF -745 29 VACUUM CONTROL NEEDLE VALVE (SUPPLIED LOOSE) PI .010 ORIFICE H O 2 MOISTURE SENSOR OUTLET PROCESS INLET REAR PANEL FLOW METER (FRONT) EXTERNAL VACUUM PUMP (SUPPLIED LOOSE) MOISTURE .
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Connecting to External Devices DF -745 31 6 Connecting to External Dev ices The analyzer can be interfaced to a variety of external devices via the ports on the rear panel. Alarm contacts, volta ge, and current outputs, and seri al communications are supported.
32 DF -745 Connecting to External Devices A program to facilitate serial communications is available from Delta F. Pin # Signal Description J5 -8 GND Ground J5 -7 TX - 4 wired 485 paired with TX+ J5 -.
Connecting to External Devices DF -745 33 The 4 - 20 m A analog output correl ati ng to the front panel display reading is provided on the rear of the analyzer through connector J4. This output is electrically isolated from all other analyzer outputs, and from chassis (Earth) grou nd.
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User Interface DF -745 35 7 User Interface 7.1 Dat a Di splay Screen The front panel display consists of the Graphical User Interface (GUI), as displayed on the view screen in Figure 18 belo w. Figure 18 : Data Di spla y Screen The various elements of the main data display screen are as follows: Alarm status indicator – ‘1, etc.
36 DF -745 User Interface Enter Next Me nu ESC Figure 19 : Keypad The ‘ Menu ’ key activates the menu structure along the top of the GUI interface on the view screen.
User Interface DF -745 37 The Main Menu is accessed by pressing the Menu key on the front panel. Use the arrow keys ( and ) to navi ga te up and down through the list.
38 DF -745 User Interface Figure 23 : Isol ate Warning While t he moisture cell is isolated from gas flow, a warning will appear at the bottom of the main display indicating “ Iso lated ”.
User Interface DF -745 39 Figure 25 : Calibrate Menu 7.4.3.1 Check/Adjust Zero Figure 26 : Check/Adjust Zero Menu The Check/Adjust Zero screen displays many pieces o f info rm ati on i ncluding a live reading of m oi sture i n ppb (or ppm) and the state of the zero gas control valves.
40 DF -745 User Interface A relay is available on the Analog Output Setup Screen (see page 55 ) to si gnal that a zero calibration is taking place, and the analog output signal can also be frozen or allowed to update duri ng the calibration process. Figure 27 : Check/Adjust Zero Screen 7.
User Interface DF -745 41 back and change the value or move to the Done button, fol lo wed by hitting the Enter key to l eave the screen. Using the ESC key at any time will exit the screen making no changes and return to the m ain display.
42 DF -745 User Interface 7.4.4 Data History Routine Figure 30 : Data History Menu The Data History Screen ( Figure 31 ) enables the user to see the data history displayed in stri p chart form on the front display.
User Interface DF -745 43 Figure 31 : Data Hi story Screen Figure 32 : Install Media F irmware version 0.6.1 Serial # ND - 10016 Model # DF - 745 Start time 05 - 01 - 2003 03:07 PM End time 05 - 22 - 2003 03:07 PM Date Time H2O 5/16/03 1:24 PM 5.423 5/16/03 1:25 PM 5.
44 DF -745 User Interface 7.4.5 Data Downloader Routine Figure 34 : Data Downl oader Menu The Moisture Data Downloader screen, F igure 35, enables the user to label data with unique location names as well as to view and download specified data.
User Interface DF -745 45 7.4.5.2 View Location Figure 36 : Vi ew Locati on Screen The view location function is used to view data previously stored in the system sorted by lo cati on.
46 DF -745 User Interface Use the arrow key s ( and to navigate the keyboard and use the Enter key to accept each character. If an error is made use the Next key to m ove to the Clear Entry key and hit enter. When the location name is complete use the N ext key to m ove the highlight to Accept New Location and hit Enter.
User Interface DF -745 47 th e event of an Automatic Zero, if it were scheduled. The time to per fo rm the zero and the resulting zero reference are also noted. Figure 40 : Zero Log Screen 7.4.6.2 System Error Code Log Figure 41 : Vi ew Sy stem Error Code Log Menu The System Error Log reports functional errors in the moisture system.
48 DF -745 User Interface Contact Del ta F for assistance in interpreting the various codes if one should appear on the screen. Figure 42 : Sy stem Error Code Screen 7.
User Interf ace DF -745 49 Figure 44 : Pum p Capacity Test Log 7.4.7 Analyzer Setup The analyzer setup men u allows the user access to the Gas Scale Factor settings, Alarm Setups, Analog Output setup and Graph setup. Use the arrow key s ( and to scrol l up and down through the list.
50 DF -745 User Interface Use the Next key to m ove from between fields and use the arrow keys ( and to change the highlighted selections and to enter numerical values. When done, use the Next key to m ove to the Accept button and hit the Enter key to return to the m ain display.
User Interface DF -745 51 In addition, if hydrogen is entered as a gas in the GSF Setup, and the system detects a failure in the exhaust fan circuitry the entire analyzer will automatically isolate.
52 DF -745 User Interface An alarm warning will overwrite the moisture level readout if an alarm condition exists. To acknowledge the alarm simply hit the Enter button and its number or letter will appear in th e Alarm Status line ab ove the display. See Figure 18 .
User Interface DF -745 53 7.4.7.5 Temperature Range Alarm Setup Figure 51 : Tem perature Alarm Setup The system is constantly monitoring the ambient temperature in the analyzer cabinet. If enabled on the Temperature Alarm Setup screen, an alarm can be assigned to trip if the ambient tem perature e xceeds preset limits.
54 DF -745 User Interface to tri p i f th e pressure exceeds preset l imit s. The user may assign the pressure alarm to one of f our rel ays. The limit s are not user adj ustable but are set automatically on the basis of the background gases entered in the GSF screen.
User Interface DF -745 55 7.4.8 Analog Output Setup Figure 54 : Analog Output Setup Menu The Zero Point corresponds to the l owest vol tage or current output (0 VDC, 4 m A) that i s sent to a recorder, whi le the Fu ll Scale corresponds to the maximum voltage or current output (1/5/10 VDC or 20m A) that i s sent.
56 DF -745 User Interface The In Calibration Relay can be enabled to signal that a zero calibration is in process. In addition, the user has the option to freeze the analog output or enable the analog output to update as the calibration progresses. 7.
User Interface DF -745 57 7.4.10.1 Active Zero On/Off Figure 58 : Active Zero On/Off Menu The Active Zero Offset feature is designed to automatically compensate for the analyzer’s gradual zero baseline cleanup. This gradual cleanup is natural and occurs after a fresh startup or af ter a prol onged or abnormally high moisture exposure.
58 DF -745 User Interface If the Active Zero Offset feature is turned off, the User Zero Offs et value will appear in its’ place in the Check/Adjust Zero menu. The previous user Zero Offset value (if any) will reappear and immediately be applied to the live display readings.
User Interface DF -745 59 7.4.10.3 Test Analog Voltage Output Figure 61 : Test Analog Outputs Menu The Test Output screen, as shown in Figure 62 , i s used to cal ibrate the analog recorder output.
60 DF -745 User Interface 7.4.10.4 Signal Monitor Figure 63 : Si gnal Monitor Menu The Signal Monitor depicts 18 system parameters in numerical order. Each parameter is unique for each system. In the event of a system error, these parameter s can be used as a diagnostic tool.
User Interface DF -745 61 Figure 65 : Pum p Capacity Test Menu Aft er the pum p test i s com plete, an entry is automatically put in the pump capacity test log as shown in Figure 68 . See pa ge 48 fo r addi ti onal info rm ati on on the pum p test l og.
62 DF -745 User Interface Figure 68 : Pum p C apacity Test Log 7.4.11 Adjust Contrast Figure 69 : Adjust Contrast Menu Figure 70 : Adjust Display Contrast Screen This screen allows the user to modify the contrast of the front display screen. From the System menu, select Adjust Contrast.
User Interface DF -745 63 7.4.12 Power Up Default – Optional Figure 71 : Power Up Default Menu This menu item is only available on analyzers equipped with the isolation valve option. The Power Up Default SubRoutine a llo ws the user to determ ine the various default states duri ng analyzer power up.
64 DF -745 User Interface 7.4.13 Date/Time Figure 73 : Date/Ti me Menu The Date/Time Screen is used to set various calendar and clock related parameters. The Next key is used to moved from field to field, and the arrow keys ( a nd ) are used to change the numerical digits and units.
User Interf ace DF -745 65 7.4.14 Communications The Communications screen is used to set parameters related to serial PC communications. Accessed fr om the System menu, the Next key is used to moved from field to field, and th e arrow key s ( and ) are used to change the numerical digits as well as to select the baud rate.
66 DF -745 User Interface Hit Enter and the download process will begin and a time bar will appear as in Figure 80 . The process should only take a minute or two and when complete control will be returned to the user.
User Interface DF -745 67 Figure 80 : Downl oad Ti me Line The file name is automatically created and includes the date and time that the data was recorded as well as the serial n umber of the analyzer.
68 DF -745 User Interface Figure 82 : Sy stem Info Screen 7.4.16.1 Firmware Upgrade While t he Firm ware Upgrade box is highlighted, hitting the Next key will bring up the Firmware Upgrade dialog box as in Figure 83 belo w.
Sample Gas Preparation and Delivery DF -745 69 8 Sample Gas Preparation and Deliv ery 8.1 Introduction It is important to note key di fferences in each parameter to ensure a properly functioning syst em. Parameters such as flow, pressure, and background gas will have major effects on total sy stem performance.
70 DF -745 Sample Gas Preparation and Delivery such as Helium and Hydrogen whose flow rates should be set to approximately one - th ir d th at of Ni trogen. 8.5 Flammable Sample Gas There is nothing within the analyzer sample system that can ignite a flammable sample gas.
Service DF -745 71 9 Serv ice 9.1 Return Material Authorization number If an analyzer has to be returned to the factory, the shipper will have to obtain a Return Material Authorization number from Delta F by calling the Service Line at (781) 935 - 5808 or sending a wri tten request vi a their Service Fax Line at (781) 932 - 0053.
72 Service 6. Install valve plate, head gasket and head 7. Install head bolts and torque to 80 in - lbs..
Service DF -745 73 9.3 Replaceable Part s List When ordering parts, please be certain to supply the model number and serial number of yo ur analyzer. PART NO.
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Service DF -745 75 9.4 Tr oubleshooting the DF – 745 NanoT race Analy zer The DF - 700 series moisture analyzer constantly performs internal monitoring of the analyzer operati on. In the event of a failure a system alarm will be di splayed on the front panel.
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Theory of Operation DF -745 77 10 Theory of Operation 10.1 The Moisture Measurement 10.1.1 Moisture and the IR Spectrum Figure 84 : Schematic of Moisture Cell The Nanotrace Moisture analyzer uses infrared (IR) absorption as its detection method.
78 DF - 745 Theory of Operation 10.1.2 Absorption Spectroscopy The relationship that defines absorption spectroscopy is known as Beer’s Law. Beer’s Law equates, i n rigorous term s, the concentrat.
Safety DF -745 79 11 Safety 11.1 General W arnings DANGER Potentially hazardous AC voltages are present w ithin this instrument. Leave all servicing to qualified personnel. Disconnect the AC pow er source w hen installing or removing: external connections, the sensor, the e lectronics, or w hen charging or draining electrolyte.
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Warranty DF -745 81 12 Warranty Delta F Corporati on warrants each instrument manufactured by them to be free from defects in material and workmanship at the F.
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Index DF -745 83 13 Index 4 4- 20mA Outputs, 32 A Active Zero On/Off , 57 Add Location, 45 Adjust Contrast, 62 Alarm Setup, 51 Alarm Setup, Moisture, 52 Analog Output Setup, 55 Analog Signal Outputs, .
84 Index O Operating Voltage, 25 Options, 25 P Power Up Default, 63, 64 Pressure Alarm Setup, 53 Pump Capacity Test, 60 Pump Capacity Test Log, 48 Pump case purge, 89 R Relay Ports, 33 Relays, Test, 5.
Appendix A – User Menu Screens DF -745 85 14 Ap pendix A – User Menu Screens Page 37 Pa ge 38 Page 39 Page 42 Page 44 Page 46 Page 47 Page 48.
86 Appendix A – User Menu Screens Page 49 Page 51 Page 55 Page 56 Page 57 Page 58 Page 59 Page 60.
Appendix A – User Menu Screens DF -745 87 Page 60 Page 62 Page 63 Page 64 Page 65 Page 66 Page 67.
88 Appendix A – User Menu Screens.
Appendix B – Hydr ogen Service Safety System DF -745 89 15 Ap pendix B – Hy drogen Serv ice Safety Sy stem The Hydrogen Service Safety System is designed to safeguard th e DF-745 from explosion hazards when operating on hydrogen sample gas under normal pressure and flow conditions as described in this manual.
90 Appendix B – Hydr ogen Service Safety System The pump enclosure must be mounted to a nearby wall or inside the rack shared by th e analyzer. See Figure 86 on page 94. The sample gas inlet connection is made to an interlock valve mounted at the sample gas inlet on the rear of the analyzer.
Appendix B – Hydr ogen Service Safety S ystem DF -745 91 adequate pump cooling. The purge flow rate is set to 30 scfh as indicated on a rotom e ter m ounted on the si de of the pump enclosure. An in - line flo w switch will tri p at a flow rate of less than 26 scfh assuring adequate flow.
92 Appendix B – Hydr ogen Service Safety System CAU TI ON The operator i s obligated to assure proper operation of the analyzer air flow system as designed. Do not impede air flow at the inlet in th e front door or at the exhaust fan outl ets on ei th er side of the cabinet in the rear.
Appendix B – Hydr ogen Service Safety System DF -745 93 ~ ~ ~ ~ ~ ~ CASE PURGE VALVE WITH 1/4" COMPRESSION FITTING SAMPLE DELIVERY INTERLOCK VALVE WITH 1/4" FEMALE VCR FITTING 3.27 [82.93] 3.07 [77.98] 5.44 [138.24] .54 [13.70] 1.18 [29.85] 3.
94 Appendix B – Hydr ogen Service Safety System THIS ENCLOSURE IS PROTECTED BY PURGING BE NON-HAZARDOUS OR UNLESS ALL DEVICES WITHIN HAVE BEEN DEENERGIZED. AFTER ENCLOSURE HAS BEEN OPENED POWER SHALL NOT BE RESTORED UNTIL THE ENCLOSURE HAS BEEN PURGED FOR ENCLOSURE SHALL NOT BE OPENED UNLESS THE AREA IS KNOWN TO 15 MINUTES AT 30 SCFH.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Delta Faucet DF-745 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Delta Faucet DF-745 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Delta Faucet DF-745 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Delta Faucet DF-745 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Delta Faucet DF-745, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Delta Faucet DF-745.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Delta Faucet DF-745. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Delta Faucet DF-745 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
