Manuale d’uso / di manutenzione del prodotto MSL600 del fabbricante Emerson Process Management
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MSL600 Ultrasonic continuous sludge blanket monitor Page 1 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 www.
Page 2 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 CONTENTS FOR QUICK START, SEE SECTION 5 ON PAGE 20 THIS MANUAL COVERS MSL600 FROM SOFTWARE VERSION 3.00 AND ABOVE Page (i) Safety precautions 1. Introduction .
Page 3 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 5.6 Relay parameters ........................................................................................................... ... .......................
Page 4 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.8.4 Low Mem Alarm - P593 .......................................................................................................... ......................
Page 5 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 (i) Safety precautions BEFORE OPERATING THIS DEVICE TH E MANUAL SHOULD BE READ FULLY The following safety precautions should be observed before using this product or working on the attached cables.
Page 6 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 1. Introduction Before operating this device the man ual should be read carefully p aying particular attention to the safet y precautions laid out in section (i).
Page 7 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Finally, sections 9 to 13 cover maintenance, troubl eshooting, programm ing chart, technical specifications and dimension drawings relevant to using the MSL600 system.
Page 8 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 1.4 As a system Figure (1) shows the architecture of the complete MSL600 sy stem and where each comp onent is intended to be used. Install the MSL603 transducer and mo unting bracket on the rotating bridge or fixed walkway over the clarifier tank.
Page 9 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 2. Application planning The following section discusses a fe w practical considerations when planning an installation. 2.1 Circular clarifiers Circular clarifiers are very common and can come with rotating or static bridges over them.
Page 10 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 2.1.2 Static bridge The transducer mounting arrangement is des igned to lift out of the water if it is mounted on a fixed bridge when a moving scraper passes underneath (e.
Page 11 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 3. Inst allation The following section discusses installation considerations in more detail. 3.1 Preliminary checks Carefully unpack the MSL600 control unit, transducer, and mounting br acket arrangement from their packaging.
Page 12 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 With the bracket on the ground adjust the piv ot tube up or down the main support tube until the dista nce between the angle bracket and midpoint of the transducer is dimensi on A.
Page 13 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Figure (5): MSL600 mounting.
Page 14 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 3.4 Transducer connections The MSL600 is housed in an ABS enclos ure rated to IP66. The lower section of the housing is for cable connections and the upper part has the LCD and keypad controls.
Page 15 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 The diagram below, Figure (7) shows the layout of external connection terminals of the MSL600 with the lower terminal housing cover removed. T able (A) gives a description of eac h.
Page 16 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 3.6 Cable extension The transducer is connected using ALPHA XT RA-GUARD4 P/N45272. The standard cable length is 10 metres. This cable comprises of t wo twisted pairs with an overall screen and drain.
Page 17 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 4. Programming The following sections introduce the main d isplay and use of the ke ypad (MSL600 only) for programming t he MSL600. Password protection to prevent unauthorized access is also discussed.
Page 18 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 4.2 Contrast (viewing angle) control When the system is making measurements in normal mod e the screen contrast or viewing angle can be adjusted.
Page 19 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 4.4 Security The HMI includes a password system which may be used to protect parameters from unauthorised c hanges and also to prevent the system from being switched between On and Off-line mode.
Page 20 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 5. Quick st art p arameters The system leaves the factory with default values in all the parameters. These values, after installation, allow immediate operation without any further programming.
Page 21 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 5.2 Determination of tank depth The ultimate blanket level measurem ent accuracy depends upon the accuracy of the value entered for the tank depth.
Page 22 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 5.4 mA current output parameters The operation of the current output is progra mmed by four parameters and is al ways controlled by the sludge blanket level.
Page 23 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 5.6 Relay parameters The MSL600 offers various options for oper ating its relays.
Page 24 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 The transducer may take up to 1 hour to reach thermal equilibrium.
Page 25 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 6. Det ailed operation The following sections go into programming the system in more detail. 6.1 The menu structure From the normal display, pres sing the key will enter the menu system, see Figure (11).
Page 26 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 To move up and down the list, use the n and p arrows until the required me nu item is highlighted, then use the key to enter that menu option.
Page 27 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7. Application p arameters The following section details each parameter. 7.1 Main menu parameters The following functions are availabl e at the top level of the menu structure.
Page 28 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.2.4 Description – P240 This is a user defined alpha-n umeric parameter. Any string up to 12 characters long may be entered us ing the keypad. This will usuall y be a description of the applicati on.
Page 29 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.3.3 Stop If - P252 Use this parameter to select if it is necessary to override the “Stop on” condition. The selectable options are: x Not used x Sludge Level The parameter defaults to none which means it is not used.
Page 30 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.4 Cleaning parameters The following parameter relates to the cleaning function. Note: A full menu structure is shown in section 11. 7.4.1 Start On - P260 Use this parameter to select how the cleaning cycle starts.
Page 31 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.5.3 Alarm Action - P402 This parameter is used to select the desired action which is taken by the mA output when the system is in an alarm condition. The allowed options are: x Go to 3.
Page 32 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.6 Relay parameters The following parameters are used to progra m the 2 available relays RL1 and RL 2, which are controlled by the sludge blanket level. T he mode of relay RL3 is fixed to fault indic ation.
Page 33 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.6.1.2 Fault mode (relay RL1 a nd RL2 parameters P560 to P570) There are several fault conditions which can be assigned to a relay. Fault conditions ma y be selected to be signalled by relay, current, both relay and current, or not at all.
Page 34 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.6.2 Relay On and Off Points Relay On Point for RL1 (P411) and RL2 (P421) This is the sludge blanket level at which the Set Point mode relay turns on i.e.
Page 35 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.7.2 Backlight On/Off - P575 The default for the display back light is "Auto". It can be switched to "Off" or "On". If set to Auto it is on when a key is pressed.
Page 36 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.8 Logging parameters Logged data can be do wnloaded and analys ed via the RS232 port and Mo brey Measurement Log Vie w Software (via a PC). For copies of this software, please contact Mobrey Measurement Sales.
Page 37 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9 Engineering parameters The MSL600 blanket echo processin g algorithm has been optimise d for use on various types of municipal and industrial sludge. The user can select from ei ther of two municipal sludge types dependi ng on the application.
Page 38 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9.2.2 Noise Alrm Lev – P622 The unit automatically monitor s the background electronic noise floor as a % of display width, see par ameter D834.
Page 39 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9.2.6 Lwr S-nat Temp – P626 This value is used for temperature compensation if the me asured supernatant temper ature is below this value. The lower temperature (P626) must always be less than the upper (P625).
Page 40 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9.3 Municipal 1 parameters P630 to P637 When the Municipal 1 algorithm is selected u sing parameter P620 (page 37), onl y the following specific parameters need to be adjusted.
Page 41 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9.3.5 Noise SD Mult – P635 The Municipal 1 algorithm scans the echo profile for ec hoes. Prior to sendi ng pulses to the transducer, the noise floor is measured.
Page 42 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.9.4 Municipal 2 parameter P640 Only one specific parameter, P640, needs to be adj usted when the Municipal 2 algorithm is selected.
Page 43 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.10 System parameters These parameters can be use d to test the MSL600 hardware.
Page 44 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.10.5 COMMS parameters P710 to P716 These parameters are used for serial RS232 communications. 7.10.5.1 Address - P710 Poll Address. The default value of this parameter should not be changed.
Page 45 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.10.6.4 Date format - P734 The format for the date can be chosen from a list: x yy/mm/dd x dd/mm/yy (Default metric) x mm/dd/yy (Default imperia l) 7.10.6.
Page 46 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.11 Readings and diagnostics parameters The user can not alter the value of readings or diagnostics param eters within the MONITOR menu. Note: A full menu structure is shown in section 11.
Page 47 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.11.1.9 Xdr Tilt Time - D833 A diagnostic parameter indicating the time for which the transducer has been out of the water in min:secs. 7.11.1.10 Noise Level - D834 A diagnostic parameter indicating the nois e level in the tank as a % of full screen.
Page 48 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 7.11.2.10 Speed of Sound - D850 View this parameter to see the temperature compensated speed of sound in the sup ernatant which the MSL600 is using in its calculation of sludge blanket level in m/s (imperial – ft/s).
Page 49 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 8. T echnical reference 8.1 Transmit pulse and echo processing The transducer and it’s transmit and receive c ircuitry is optimized to work at 1.0MHz. Some sludge blankets are indistinct.
Page 50 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 11. Programming chart Main Menu O ption Sub-menu Level 1 Sub-menu Level 2 Sub-menu Level 3 Parameter Title Par No. -- Go Offline ? -- INSTALLATION Tank Depth P101 Xdr Tilt Time P103 Tag No.
Page 51 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Programming chart continue d… ENGINEERI NG Alg. Select P620 CONFIG ALGORI THM COMM ON Av e.
Page 52 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Programming chart continue d… Note: The Radio parameters are not used with this version of the MSL600.
Page 53 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 12. S pecification 12.1 MSL600 Model No. MSL600 Operating principle Ultrasonic sonar Range 7.0m (23 feet) Dead band 0.3m (1 foot) Accurac y +/-35mm (+/- 1.
Page 54 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Weight Enclosure & compressor housing 7.0 Kg / 15.4 lbs Transducer & mounting bracket 12.
Page 55 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 13. Dimensional drawings Figure (12): MSL600 Bridge mounted un it.
Page 56 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 Figure (13): MSL600 and MSL603 assem bly.
Page 57 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 14. MSL603 transducer cable extension Parts required: ITT Cannon TNM connectors (Cannon part no.
Page 58 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012.
Page 59 MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012.
MSL600 Installation, Operation & Maintenance Manual IP262/Z0, Rev. AB February 2012 The Emerson logo is a trade mark and service mark of Emerson Ele ctric Co. Rosemount is a registered trademark of Rosemoun t Inc. Mobrey is a registe red trademark of Mobrey Ltd.
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 Emerson Process Management MSL600 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 Emerson Process Management MSL600 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Emerson Process Management MSL600 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Emerson Process Management MSL600 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Emerson Process Management MSL600, 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 Emerson Process Management MSL600.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Emerson Process Management MSL600. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Emerson Process Management MSL600 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.