Emerson MMI-20016185 - Manual

Planning Figure 1-2 Components of the 9739 MVD transmitter A G F B C E H D I A Removable housing cover B Electronics module C Intrinsically safe sensor wiring terminals D Non–intrinsically-safe output wiring terminals E Conduit opening for sensor wiring F Conduit opening for power supply wiring G Co...

Chapter 2 Mounting Topics covered in this chapter: ♦ Mount the 9739 MVD transmitter to a wall ♦ Mount the 9739 MVD transmitter to an instrument pole ♦ Rotate the user interface on the electronics module (optional) Mount the 9739 MVD transmitter to a wall Prerequisites • Use four 5/16-inch diameter (...

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 display: 7.28 inches (185 mm) Figure 2-2 Transmitter ...

Mounting Mount the 9739 MVD transmitter to an instrument pole Prerequisites • Use two 5/16-inch U-bolts for 2-inch pipe, and four matching nuts, that can withstand the process environment. Micro Motion does not supply U-bolts or nuts. • Ensure the instrument pole extends at least 12 inches (305 mm) ...

Mounting Rotate the user interface on the electronics module (optional) The user interface on the transmitter electronics module can be rotated 180 ° from the original position. Procedure 1. Shut off power to the unit. 2. Unscrew and remove the transmitter housing cover. If the transmitter is instal...

Chapter 3 Wiring the power supply and grounding the transmitter Topics covered in this chapter: ♦ Power supply requirements ♦ Wire the power supply ♦ Ground the 9739 MVD transmitter Power supply requirements The 9739 MVD transmitter can accept either AC or DC power. The transmitter automatically rec...

Wiring the power supply and grounding the transmitter Figure 3-1 Power supply wiring terminals E B C D A A External ground terminal B Power supply conduit opening C L / L1 for AC; + for DC D N / L2 for AC; – for DC E Power ground terminal 5. Secure the input power connections at the two labeled term...

Wiring the power supply and grounding the transmitter Important Follow the plant standards if a separate high-integrity intrinsically safe ground scheme is used. If national standards or plant standards are not in effect, adhere to the following guidelines for grounding: • Use copper wire, 14 AWG (2...

Chapter 4 Wiring the 9739 MVD transmitter to the sensor Topics covered in this chapter: ♦ Prepare the 9-wire cable ♦ Wire the transmitter to the sensor using jacketed cable ♦ Wire the transmitter to the sensor using shielded or armored cable ♦ Sensor and transmitter terminals ♦ Micro Motion 9-wire c...

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 ATEX installations, the jacketed cable must be installed inside a user-supplied sealed metallic conduit that provides360 ° termination shielding for the enclosed cable. Sensor wiri...

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 1 Drive + Red 2 2 Drive − Orange 3 3 Temperature − Yellow 4 4 Temperature return Green 5 5 Left pick...

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. Remove the junction-box cover or transmitter housing cover. 11. At both the...

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 9 8 7 6 5 4 3 2 A A Earth ground Figure 4-8 9739 MVD transmitter terminals Installation Manual 19

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-wire cable: jacketed, shielded, and armored. Note the following differencesbetween the cable types: • Armored cable provides mechanical protection for the cable ...

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) Teflon FEP 0.425 inches (11 mm) 3–1/4 inches (83 m...

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 jacket B Tin-plated copper braided shield C Foil shield (1 total) D Inner jacket E Drain wire (4 total) F Foil shield (4 total) G Filler (5 total) 22 Micro Motion 9739...

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 jacket B Stainless steel braided shield C Foil shield (1 total) D Inner jacket E Drain wire (4 total) F Foil shield (4 total) G Filler (5 total) Installation Manual 23

Chapter 5 Wiring the outputs Topics covered in this chapter: ♦ Analog output terminals ♦ Wire the primary and secondary mA outputs ♦ Wire the frequency/pulse output ♦ Wire the discrete output ♦ Wire the discrete input ♦ Wire to a pressure transmitter Analog output terminals Use the upper and lower t...

Wiring the outputs Wire the primary and secondary mA outputs Use terminals 17 and 18 for the primary mA output. Use terminals 19 and 20 for the secondary mA output. The mA outputs produce a user-selected 0–20 mA or 4–20 mA current. When configured as 4–20 mA outputs, the mA outputs can supplyloop-po...

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 communications tool, ProLink II, or AMS modem B Communicator loops or PV (Primary Variable) terminals C DCS or PLC with internal resistor Notes • If necessary, add resistance in the...

Wiring the outputs Figure 5-4 Wiring the frequency/pulse output A B C A FREQ+ B RETURN C PLC or pulse counter • To configure the output for increased current, add a 1 to 3 k Ω resistor across terminals 14 and 15 (see Figure 5-5). Figure 5-5 Wiring the frequency/pulse output for increased current B C...

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 resistor D PLC or pulse counter • To wire the output to use external power, see Figure 5-7. For recommended resistor versus supply voltage, see Figure 5-8 . Do not exceed 30 V...

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 resistor, which must be of sufficient value to limit loop current to less than 500 mA depending on the total loopresistance at the transmitter D 3 to 30 VDC power supply E PLC or...

Wiring the outputs Wire the discrete output The discrete output can indicate the flow direction, transmitter zeroing in progress, pressure input failure, faults, event 1or event 2. You can wire the discrete output to use internal or external power. See Micro Motion 9739 MVD Transmitters: Configurati...

Wiring the outputs Figure 5-10 Wiring the discrete output for external power A B A A pull-up resistor, which must be of sufficient value to limit loop current to less than 500 mA depending on total loopresistance at the transmitter B 3 to 30 VDC power supply Figure 5-11 Recommended pull-up resistor ...

Wiring the outputs Figure 5-12 Wiring the discrete input - + A A Remote switch Wire to a pressure transmitter The 9739 MVD transmitter accepts inputs from a pressure transmitter for pressure compensation. Because the pressure transmitter wiring is not intrinsically safe, keep the pressure transmitte...

Wiring the outputs • If the pressure transmitter requires a power supply greater than 13.6 V, or if other loop devices are required, you can use an external source to power the pressure transmitter. Use terminals S and 23 (see Figure 5-14). Figure 5-14 Wiring to a pressure transmitter — external pow...

Wiring the outputs Figure 5-15 Wiring to a pressure transmitter — digital communications A B C D 24 VDC A Pressure transmitter, with HART only B 250 Ω ± 5 %, 0.5 W C 250 Ω ± 5 %, 0.5 W D DC power supply Installation Manual 35

Chapter 6 Wiring digital communications Topics covered in this chapter: ♦ Wire the transmitter to an RS-485 multidrop network ♦ Wire the transmitter to a Bell 202 multidrop network Wire the transmitter to an RS-485 multidrop network Prerequisites Use twisted-pair, shielded cable that consists of 24 ...

Wiring digital communications Choose from the following options for wiring the RS-485 network: • To connect one transmitter to a host controller for the RS-485 serial communication, see Figure 6-1. Figure 6-1 Wiring a 9739 MVD transmitter to a host controller 9739 26 27 A B RS-485 • To connect multi...

Wiring digital communications Figure 6-3 Wiring to a typical HART ® network P V+ 17 PV– 18 PV+ CN2- Z30 PV– CN2- D30 4-20 mA 4 -20 mA 24 VDC 9739 9739 A B C D E E F A HART communications tool, ProLink II, or AMS modem B 250 Ω load C IFT9701 D R-Series E SMART FAMILY ® transmitter F DC source require...