Manuale d’uso / di manutenzione del prodotto MMI-20016185 del fabbricante Emerson
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Installation Manual P/N MMI-20016185, Rev. AA January 2010 Micro Motion ® 9739 MVD Transmitters Installation Manual Planning Mounting Wiring.
Safety and approval information This Micr o Motion product complies with all applicable Eur opean dir ectives when pr operly ins talled in acc ordance with the instructions in this manual. Ref er to the E C declaration of conf ormity f or directiv es tha t apply to this pr oduct.
Contents Chapter 1 Planning ......................................................................................................... 1 Installa tion checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Chapter 1 Planning Topics covered in this chapter: ¨ Installa tion checklist ¨ 9739 MVD transmit ter c omponents Installation checklist q Mak e sure that the tr ansmitt er is suit able for the en vironment in which it will be inst alled. See the haz ardous ar ea specied on the transmitt er appr ov al t ag.
Planning Figure 1-1 Standard housing lockout clamp components (ATEX installations only) A B C D E F A Housing cover B Lip C Mounting screw D Clamp E Threaded hole F Housing base Notes • Bef ore inst alling the tr ansmitt er housing lock out clamp, mak e sur e that you ha ve properly ins talled the tr ansmitter and the owmeter has been zer oed.
Planning Figure 1-2 Components of the 9739 MVD transmitter A G F B C E H D I A Remov able housing cover B Electronics module C Intrinsically sa fe sensor wiring terminals D Non–intrinsically-saf e o.
Chapter 2 Mounting Topics covered in this chapter: ¨ Mount the 9739 MVD transmit ter to a wall ¨ Moun t the 9739 MVD tr ansmitt er t o an instrumen t pole ¨ Rota te the user int erf ace on the elec.
Mounting Figure 2-1 Transmitter mounting dimensions (front and side views) B E A D C F A 2.81 inches (71 mm) B 7.31 inches (186 mm) C 4.51 inches (115 mm) D 8.39 inches (213 mm) E 9.19 inches (233 mm) F With display: 6.82 inches (173 mm); Without displa y: 7.
Mounting Mount the 9739 MVD transmitter to an instrument pole Prerequisites • Use two 5/16-inch U-bolts for 2-inch pipe, and f our matching nuts, that c an withstand the pr ocess envir onment.
Mounting Rotate the user interface on the electronics module (optional) The user int erface on the tr ansmitt er electronics module can be r ota ted 180 ° fr om the original position. Procedure 1. Shut of f power to the unit. 2. Unscrew and remove the transmitt er housing cov er .
Chapter 3 Wiring the power supply and grounding the transmitter Topics covered in this chapter: ¨ P ower supply r equiremen ts ¨ Wire the pow er supply ¨ Gr ound the 9739 MVD transmit ter Power supply requirements The 9739 MVD tr ansmitt er can accept either AC or DC power .
Wiring the power supply and grounding the transmitter Figure 3-1 Power supply wiring terminals E B C D A A External gr ound terminal B Pow er supply conduit opening C L / L1 for AC; + f or DC D N / L2 for AC; – f or DC E Pow er ground terminal 5. Secure the input power connections at the two labeled t erminals.
Wiring the power supply and grounding the transmitter Important Follow the plan t st andards if a separa te high-in tegrity intrinsically saf e gr ound scheme is used. If national s tandar ds or plant standar ds are not in e ff ect, adhere to the f ollowing guidelines f or grounding: • Use copper wire, 14 A WG (2.
Chapter 4 Wiring the 9739 MVD transmitter to the sensor Topics covered in this chapter: ¨ Prepar e the 9-wire c able ¨ Wir e the tr ansmitt er t o the sensor using jack et ed c able ¨ Wire the tr a.
Wiring the 9739 MVD transmitter to the sensor Figure 4-1 Preparing jacketed cable 12 Micro Motion 9739 MVD Transmitters.
Wiring the 9739 MVD transmitter to the sensor Figure 4-2 Preparing shielded or armored cable Installation Manual 13.
Wiring the 9739 MVD transmitter to the sensor Wire the transmitter to the sensor using jacketed cable Prerequisites For A TEX installa tions, the jack eted cable must be inst alled inside a user-supplied sealed met allic conduit that pr ovides 360 ° termination shielding f or the enclosed cable.
Wiring the 9739 MVD transmitter to the sensor Table 4-2 Sensor and transmitter terminal designations Wire color Sensor terminal Transmitter terminal Function Black No connection 0 Drain wires Brown 1 .
Wiring the 9739 MVD transmitter to the sensor Figure 4-3 Cable gland and cable (exploded view) A B C D E F G H I A Cable B Sealing nut C Compression nut D Brass compr ession ring E Braided shield F Cable G T ape or heat-shrink tubing H Clamp seat (shown as int egral t o nipple) I Nipple 3.
Wiring the 9739 MVD transmitter to the sensor Figure 4-4 Cross-section of assembled cable gland with cable A B C D E F G A A Cable B Sealing nut C Seal D Compression nut E Braided shield F Brass compression ring G Nipple 10. Remov e the junction-bo x cover or transmit ter housing cover .
Wiring the 9739 MVD transmitter to the sensor Table 4-3 Sensor and transmitter terminal designations continued Wire color Sensor terminal Transmitter terminal Function Violet 7 7 T emper ature + Gra y 8 8 Right pick of f − White 9 9 Left pick off − b.
Wiring the 9739 MVD transmitter to the sensor Figure 4-6 F-Series, Model D, and Model DL sensor terminals Figure 4-7 Model DT sensor terminals (user-supplied metal junction box with terminal block) 1 .
Wiring the 9739 MVD transmitter to the sensor Micro Motion 9-wire cable types and usage Cable types Micro Motion supplies three types of 9-wir e cable: jacketed, shielded, and armored. Note the following diff er ences between the cable types: • Armored cable provides mechanical protection f or the cable wires.
Wiring the 9739 MVD transmitter to the sensor Table 4-6 Bend radii of shielded cable Minimum bend radii Jacket material Outside diameter Static (no load) condition Under dynamic load PVC 0.2 inches (14 mm) 4–1/4 inches (108 mm) 8–1/2 inches (216 mm) T eon FEP 0.
Wiring the 9739 MVD transmitter to the sensor Figure 4-10 Cross-section view of shielded cable A C (1) B D E (4) F (4) G (5) A Outer jack et B Tin-plated c opper braided shield C Foil shield (1 tot al.
Wiring the 9739 MVD transmitter to the sensor Figure 4-11 Cross-section view of armored cable A C (1) B D E (4) F (4) G (5) A Outer jack et B Stainless st eel braided shield C Foil shield (1 tot al) D.
Chapter 5 Wiring the outputs Topics covered in this chapter: ¨ Analog output terminals ¨ Wir e the primary and secondary mA outputs ¨ Wire the frequency/pulse output ¨ Wire the discr ete output ¨.
Wiring the outputs Figure 5-1 Analog output terminals Table 5-8 Analog output wiring terminal designations Terminal Function 14 Frequency output, DC supply v oltage (+) 15 and 16 Frequency/pulse outpu.
Wiring the outputs Wire the primary and secondary mA outputs Use t erminals 17 and 18 f or the primary mA output. Use t erminals 19 and 20 f or the secondary mA output. The mA outputs produce a user-selected 0–20 mA or 4–20 mA current. When congur ed as 4–20 mA outputs, the mA outputs can supply loop-powered process indica tors.
Wiring the outputs Figure 5-3 Wiring the primary mA output for HART communications A B PV+ PV - R1 R3 R2 C 17 18 A HART c ommunications tool, Pr oLink II, or AMS modem B Communicator loops or PV (Primary V ariable) terminals C DCS or PLC with internal r esistor Notes • If necessary , add resist ance in the loop by installing a r esistor R1.
Wiring the outputs Figure 5-4 Wiring the frequency/pulse output A B C A FREQ+ B RETURN C PLC or pulse count er • T o c ongure the output for increased curren t, add a 1 t o 3 k Ω resis tor across terminals 14 and 15 (see Figur e 5-5).
Wiring the outputs Figure 5-6 Wiring the frequency/pulse output for constant current A B D C A FREQ+ B RETURN C 100 to 250 Ω resis tor D PLC or pulse count er • T o wire the output to use external power , see Figure 5-7 . F or recommended resis tor ver sus supply voltage, see Figure 5-8 .
Wiring the outputs Figure 5-7 Wiring the frequency/pulse output for external power A B E C D A FREQ+ B RETURN C A pull-up r esistor , which mus t be of sufcien t v alue to limit loop current to les.
Wiring the outputs Wire the discrete output The discret e output c an indicat e the ow direction, tr ansmit ter z eroing in pr ogress, pr essure input failur e, f aults, even t 1 or even t 2. Y ou can wire the discre te output to use int ernal or e xternal po wer .
Wiring the outputs Figure 5-10 Wiring the discrete output for external power A B A A pull-up resist or , which must be of suf cient v alue to limit loop current to less than 500 mA depending on t o.
Wiring the outputs Figure 5-12 Wiring the discrete input - + A A Remot e switch Wire to a pressure transmitter The 9739 MVD tr ansmitt er accepts inputs fr om a pressur e transmit ter f or pressur e compensa tion.
Wiring the outputs • If the pressure tr ansmitt er requir es a power supply gr eater than 13.6 V , or if other loop devices are r equired, y ou can use an ext ernal source to pow er the pr essure tr ansmitt er . Use t erminals S and 23 (see Figur e 5-14).
Wiring the outputs Figure 5-15 Wiring to a pressure transmitter — digital communications A B C D 24 V D C A Pressur e transmit ter , with HAR T only B 250 Ω ± 5 %, 0.
Chapter 6 Wiring digital communications Topics covered in this chapter: ¨ Wir e the tr ansmitt er t o an RS-485 multidrop network ¨ Wir e the tr ansmitt er t o a Bell 202 multidrop network Wire the transmitter to an RS-485 multidrop network Prerequisites Use twis ted-pair , shielded cable that consis ts of 24 A WG (0.
Wiring digital communications Choose from the following options for wiring the RS-485 network: • T o connect one tr ansmitter to a hos t con troller f or the R S-485 serial communic ation, see Figur e 6-1.
Wiring digital communications Figure 6-3 Wiring to a typical HART ® network P V + 17 PV – 18 PV + C N 2- Z 30 PV – C N 2- D 30 4-20 mA 4 -20 mA 24 V D C 9739 9739 A B C D E E F A HART c ommunicat.
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© 2010, Micro Motion, Inc. All rights r eserved. P /N MMI-20016185, R ev . AA *MMI-20016185* For the lat est Micr o Motion product specica tions, view the PRODUCTS section of our web site at www .micr omotion.com Micro Micro Micro Motion Motion Motion Inc.
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In una situazione in cui hai già il Emerson MMI-20016185, 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 MMI-20016185.
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