Manuale d’uso / di manutenzione del prodotto MSP422 del fabbricante Emerson
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www .mobrey .com Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 Mobrey MSP422 Ultrasonic Liquid Level T ransmitter.
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Reference Manual Rev BA , Rev BA February 2012 Mobrey MSP422 www .mobrey .com Mobrey MSP422 Ultrasonic Liquid Level T ransmitter NOTICE Read this manual before working with t he produ ct.
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Reference Manual Rev BA , Rev BA February 2012 Mobrey MSP422 www .mobrey .com T able of Content s SECTION 1 Introduction Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Manual Overview . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 TOC--2 SECTION 5 Service and Troubleshooting Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 Servicing . . . . . . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Section 1 Introduction Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 1- 1 Manual Overview . . . . . . . . . . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 1-2 MANUAL OVERVIEW This manual pro vides installation, configuration, and mainten ance information for the Mobrey M SP422 u ltrasonic level transmitter.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Section 2 T ransmitter Overview Theory of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 2-1 Component s of the T ransmitter . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 2-2 COMPONENT S OF THE TR A N S M I T T E R The M obrey MSP422 has a housing containing a dvanced electronics for signal processing, and terminals for c onnectin g the external power supply .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Section 3 Inst allation Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 3-1 Before Y ou Install . . . . . . . . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 3-2 BEFORE Y OU INST ALL The MSP422 is used for level measur eme nt. The transmitter must be inst alled in a location where it is prot ected from ultraviolet radia tion to prevent long term degradation of the plastics used e.
Reference Manual IP2013, Rev BA February 2012 3-3 Mobrey MSP422 MECHANICAL INST ALLATION Mounting Considerations Guidelines: a) The transmitter should be mounted above the liquid surface using the 2-inch thread provided, but not closer th an 12 in. (0,3 m) to the surface.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 3-4 Figure 3-1. Min And Max Distances From T ank W all Liquid Surface Conditions Guidelines: a) Foaming liquids can reduce the size of the returned echo be cause foam is a poor ultrasonic reflector .
Reference Manual IP2013, Rev BA February 2012 3-5 Mobrey MSP422 Mounting the T ransmitter Above the Liquid Surface A 2-in. thread is provided to mount the transmitter . The thread f orm is either 2-in. BSPT or 2-in. NPT , and is clearly marked on th e hexagon of the transmitter body .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 3-6 Figure 3-2. Mounting The Mobrey MSP42 2 Using A Nozzle/S tand-of f NOTE: If the transmitter face does not protrude into the vessel, note.
Reference Manual IP2013, Rev BA February 2012 3-7 Mobrey MSP422 ELECTRICAL INST ALLATION NOTE! The MSP422 is not intrinsi cally safe certified, and is therefore for use in non-hazardous (Ord inary Location) installations only .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 3-8 Lightning / Surge Protection and Other Loop Devices If the area is pr one to ligh tn ing str ike s o r volt age surges, a suppresso r d evice may be installe d between the transmitter and the contro l unit.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Section 4 S t arting up Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 4-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 4-2 OVERVIEW The Mobrey MSP42 2 ultr asonic level transmitter is operated from a menu of parameters, each held in a specific memory location within the transmitter . The memory locations may be pictured as a matrix, and navigated for programming the instrum ent using and steps.
Reference Manual IP2013, Rev BA February 2012 4-3 Mobrey MSP422 MSP422 Menu Map Figure 4-1. M SP422 Menu Map.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 4-4 PROGRAMMING THE MSP422 Refer the Integral Displ ay menu on a card tucked between the housing and body , and in Figure 4-1 on p age 4-3. Display Unit s The display units are indicated by the positi on of the dec imal point in th e displayed PV value: Units Display m 8.
Reference Manual IP2013, Rev BA February 2012 4-5 Mobrey MSP422 First Measurements With the transmitter installed and display units selected, the display will show what the ins trument calcu lates as t he liquid depth (level).
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 4-6 Setting the Bottom Reference Screen display: b.rEF Defaults: 8.000 (m), 26.24 (ft.), 314.9 (in.) NOTE: See Figure 4-1 on page 4-3 for a map of the programmin g menu structure and how to access all the men u options.
Reference Manual IP2013, Rev BA February 2012 4-7 Mobrey MSP422 c) If this value is correct, press the red button , and then press the gree n button to get to the next menu option. d) Press the blue button to start editing. The first digit will flash to indicate it can be edited.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 4-8 NOTE: The MSP422 transmit s nominally at once per seco nd. Therefore, a damping time of zero will not necessarily give an immediate res ponse. NOTE: See Figure 4-1 on page 4-3 for a map of the programmin g menu structure and how to access all the men u options.
Reference Manual IP2013, Rev BA February 2012 4-9 Mobrey MSP422 T o change from the default action of Hold : a) If entering the menu system from the PV display , press the green button repeatedly until the “ AL ” men u option is indicated (see above note.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 4-10 NOTE: See Figure 4-1 on page 4-3 for a map of the programmin g menu structure and how to access all the men u options.
Reference Manual IP2013, Rev BA February 2012 4-1 1 Mobrey MSP422 f) Press the red button to save this false echo and exit to the menu. However , if this false echo shouldn't be saved, press the blue button to exit to the menu. g) T o store another false targ et echo, re-start from step (b).
Reference Manual IP2013, Rev BA February 2012 4-12 Mobrey MSP422.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Section 5 Service and T roubleshooting Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age 5-1 Servicing . . . . . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 5-2 SERVICING The only main tenance requ ired is to occa sionally check the tr ansmitter face to ensure it remains clean and ch eck that the cover se al, wiring, and cable glands are in good condition.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Appendix A Reference Dat a Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page A-1 T emperature and Pressure Ratings . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 A-2 T EMPERATURE AND PRESSURE RATINGS The process temperature/pressur e rati ng depends on the design of th e transmitter in combination with the flange materials.
Reference Manual IP2013, Rev BA February 2012 A-3 Mobrey MSP422 DIMENSION DRAWINGS Figure A-3. T ransmitter Dimens ions (N ylon-filled Glass Housing) Note: Dimensions are in in ches (mm) Ø5.7 (Ø144) 5.3 (135) 2.6 (65) 2-in. Thread 2.36 (60) A/F Hexagon M20 x 1.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 A-4 Figure A-4. The 2-in. NPT/BSPT mounting bracket 0.51 (13) 4.33 (1 10) 2.95 (75) 0.35 (9) Ø 1 .0 2 (Ø 2 6) 0.26 (6 , 5) TYP . 2.26 (57) 4.02 (102) 2.24 (57) 1.5 (38) Note: Dimensions are in in ches (mm) SIDE VIEW END VIEW ACTUAL VIEW WITH TRANSMITTER MOUNTED 2-in.
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 www .mobrey .com Appendix B Product Certifications Safety Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . p age B-1 Manufacturing Location . . . . . . . . . . . . .
Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 B-2 MANUFACTURING LOCATION Mobrey Limited – Slough, Berkshire, United Kingdom EUROPEAN UNION DIRECTIVE INFORMATION NOTE: Refer to the hous ing labe l to ident i fy th e ap pr ov als for yo ur tran sm itt er .
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Reference Manual IP2013, Rev BA February 2012 Mobrey MSP422 IP2013 Rev BA 02/12 The Emerson logo is a trade mark and servi ce mark of Emerson E lectric Co. Rosemount is a registered trademark of Rosemount Inc. Mobrey is a registered trademar k 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 MSP422 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 MSP422 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Emerson MSP422 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Emerson MSP422 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Emerson MSP422, 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 MSP422.
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 MSP422. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Emerson MSP422 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.
