Emerson Rosemount 3095FC MultiVariable User manual

Quick Start Guide

00825-0100-4832, Rev CA

June 2016

with Modbus®Protocol

Rosemount™3095FC MultiVariable™

Mass Flow Transmitter

4832 Rev CA.fm Page 1 Wednesday, June 22, 2016 2:06 PM

June 2016

Quick Start Guide

NOTICE

This guide provides basic guidelines for the Rosemount 3095FC with Modbus Protocol. It does not provide

instructions for configuration, diagnostics, maintenance, service, or troubleshooting. Refer to the

Rosemount 3095FC MultiVariable Mass Flow Transmitter Reference Manual for more instruction. The

manuals are also available electronically on EmersonProcess.com/Rosemount.

WARNING

Explosions could result in death or serious injury.

Installation of this transmitter in an explosive environment must be in accordance with the appropriate local,

national, and international standards, codes, and practices.

Before connecting communications in an explosive atmosphere, make sure the instruments in the loop

are installed in accordance with intrinsically safe or non-incendive field wiring practices.

In an Explosion-Proof/Flame-Proof installation, do not remove the transmitter covers when power is

applied to the unit.

Process leaks may cause harm or result in death.

To avoid process leaks, only use the o-ring designed to seal with the corresponding flange adapter.

Electrical shock can result in death or serious injury.

Avoid contact with the leads and the terminals. High voltage that may be present on leads can cause

electrical shock.

Contents

Mount the transmitter . . . . . . . . . . . . . . . . . . . . 3

Connect wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Set jumpers and apply power . . . . . . . . . . . . . . 8

Establish communication . . . . . . . . . . . . . . . . . . 9

Verify configuration . . . . . . . . . . . . . . . . . . . . . . 9

Trim the transmitter . . . . . . . . . . . . . . . . . . . . . . 9

Product Certifications . . . . . . . . . . . . . . . . . . . . 11

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Quick Start Guide

June 2016

1.0 Mount the transmitter

1.1 Installing the Rosemount 3095FC on a pipestand

The following steps must be taken to install the Rosemount 3095FC on a 2-in.

pipestand:

1. Install the pipestand using the pipestand documentation.

2. Remove the orifice/meter run from service.

3. Install the Rosemount 3095FC on a pipestand using clamps or mounting

brackets.

4. Connect the impulse lines.

1.2 Installing the Rosemount 3095FC on an orifice plate (direct

mount)

The following steps must be taken to install the Rosemount 3095FC on an orifice

plate:

1. Remove the orifice/meter run from service.

2. Install the Rosemount 3095FC on the meter run using a manifold and

hardware to secure the Rosemount 3095FC to the orifice flanges.

Figure 1. Gas Flow Application

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June 2016

Quick Start Guide

1.3 Bolting considerations

If the transmitter installation requires assembly of the process flanges, manifolds,

or flange adapters, follow these assembly guidelines to ensure a tight seal for

optimal performance characteristics of the transmitters. Use only bolts supplied

with the transmitter or sold by Emerson as spare parts. Figure 2 illustrates

common transmitter assemblies with the bolt length required for proper

transmitter assembly.

Figure 2. Common Transmitter Assemblies

A. Transmitter with coplanar flange

B. Transmitter with coplanar flange and optional flange adapters

C. Transmitter with traditional flange and optional flange adapters

D. Transmitter with coplanar flange and optional manifold and flange adapters

Bolts are typically carbon steel or stainless steel. Confirm the material by viewing

the markings on the head of the bolt and referencing Table 1. If bolt material is

not shown in Table 1, contact the local Emerson Process Management

representative for more information.

Use the following bolt installation procedure:

1. Carbon steel bolts do not require lubrication and the stainless steel bolts are

coated with a lubricant to ease installation. However, no additional lubricant

should be applied when installing either type of bolt.

2. Finger-tighten the bolts.

3. Torque the bolts to the initial torque value using a crossing pattern. See

Table 1 for initial torque value.

4. Torque the bolts to the final torque value using the same crossing pattern. See

Table 1 for final torque value.

5. Verify that the flange bolts are protruding through the isolator plate before

applying pressure.

4 × 1.75-in.

(44 mm)

4 × 1.75-in.

(44 mm)

4 × 2.25-in.

(57 mm)

4 ×1.75-in.

(44 mm) 4 ×1.50-in.

(38 mm)

4 × 2.88-in.

(73 mm)

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Quick Start Guide

June 2016

1.4 O-rings with flange adapters

Table 1. Torque Values for the Flange and Flange Adapter Bolts

Bolt material Head Markings Initial

Torque Final Torque

Carbon Steel (CS) 300 in-lb 650 in-lb

Stainless Steel (SST) 150 in-lb 300 in-lb

WARNING

Failure to install proper flange adapter O-rings may cause process leaks, which can result in death or

serious injury. The two flange adapters are distinguished by unique O-ring grooves. Only use the O-ring

that is designed for its specific flange adapter, as shown below:

A. Flange adapter

B. O-ring

C. PFTE

D. Elastomer

Whenever the flanges or adapters are removed, visually inspect the o-rings. Replace them if there are any

signs of damage, such as nicks or cuts. If you replace the o-rings, re-torque the flange bolts and alignment

screws after installation to compensate for seating of the PTFE o-ring.

B7M

316

STM

316

B8M

Rosemount 3051S/3051/2051/3095

Rosemount 1151

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June 2016

Quick Start Guide

2.0 Connect wiring

Use the following steps to wire the transmitter:

1. Remove the electronics housing cover on the side marked FIELD TERMINALS.

2. Wire the RTD.

Temperature is input through the Resistance Temperature Detector (RTD)

probe and circuitry. The Rosemount 3095FC provides terminations for a 2- or

3-wire 100-ohm platinum RTD with a IEC 751 curve. The RTD has an alpha (α)

equal to 0.00385.

The RTD mounts directly to the piping using a thermowell. RTD wires should

be protected by a metal sheath or by a conduit connected to a conduit wiring

fitting on the enclosure. The RTD wires connect to the three screw terminals

designated “RTD” on the Termination Board.

Wiring between the RTD and Rosemount 3095FC should be shielded wire,

with the shield grounded only at one end to prevent ground loops. Ground

loops cause RTD input signal errors.

Table 2 displays the RTD terminal connections for the various RTD probes.

3. Wire the power supply.

The terminals are labeled CHG+ for positive power connection and CHG- for

negative power connection on a label on the termination board. These

connections provide the input voltage and power for the battery charging

circuit. The maximum voltage that can be applied to the CHG+/CHG-

terminals is 28 Volts dc.

4. Communications wiring

The Local Operator Interface (LOI) port provides direct communications

between the Rosemount 3095FC and the serial port of an operator interface

device, such as an IBM compatible PC using an EIA-232 (RS-232) link. The

interface allows access to the Rosemount 3095FC (using Rosemount User

Interface Software) for configuration and transfer of stored data.

Table 2. RTD Signal Routing

Terminal Designation 3-wire RTD 2-wire RTD

RTD + Signal positive input RTD + RTD +

RTD + Signal positive input RTD + Jumper to RTD +

RTD RET Return reference RTD RET RTD RET

Pin Signal Description

1CHG+ Battery 8.0 to 28 V Power

2CHG- Battery Common

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Quick Start Guide

June 2016

Using the prefabricated operator interface cable, physically connect the

Rosemount 3095FC to the PC running the Rosemount User Interface

Software. One end of the cable (a 9-pin, D-shell, female connector) plugs into

a serial communications port on the PC. The other end of the cable plugs into

the Rosemount 3095FC.

Figure 3. Operator Interface Wiring

Table 3. Local Operator Interface Port Wiring

Signal Label

Common COM

LOI Power(1)

1. Do not use the LOI to power external devices.

TX + V

Common COM

Ready to Send RTS

Receive RX

Transmit TX

To screw

terminals

Connection at PC COM port

White TX

Red TX

Black TX

Connection at LOI port

White TX

Red TX

Black TX

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June 2016

Quick Start Guide

Figure 4. Rosemount 3095FC Terminal Block and Wiring Diagram

3.0 Set jumpers and apply power

To prevent unnecessary battery drainage, the Rosemount 3095FC is delivered

with the reset jumper in the OFF position. To apply power to the Rosemount

3095FC:

1. Complete the necessary wiring.

2. Unscrew the front end cap cover (LCD display end).

3. Place the power jumper in the ON position. The jumper is located on the LCD

display (if installed) or at J1 on the Battery Charger Board.

4. Screw the front-end cap cover (LCD display end).

After the Rosemount 3095FC completes start-up diagnostics (RAM and other

internal checks), the optional LCD display shows the date and time to indicate

that the Rosemount 3095FC completed a valid reset sequence.

A. LOI

B. RET

C. RTD

D. CHG

E. 2 or 3 wire RTD

F. Power supply

G. PC

H. Operator interface cable

2 OR 3 WIRE RTD

RTD

LOI

OPERATOR

INTERFACE

CABLE

POWER

SUPPLY

RET

CHG

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Quick Start Guide

June 2016

4.0 Establish communication

1. Open the Rosemount 3095FC User Interface Software

2. Enter the factory-assigned User ID and Password:

User ID: LOI

Password: 1000

3. Select Direct Connect, located on the software toolbar.

5.0 Verify configuration

1. Select Device > Clock from the menu tab.

2. Verify the correct time and date for the transmitter’s memory logs, and click

OK to exit the screen.

3. Select Device > Information from the menu tab.

4. Verify the correct station name, address number, group number, and contract

hour. Select OK to exit the screen.

5. Select Meter > Set Up from the menu tab.

6. Verify values of pipe and orifice diameter by selecting the General tab.

7. Select Inputs from the top of the screen and verify the correct range and units

of measure for the analog inputs.

8. Select the Gas Quality tab from the top of the screen and verify the correct gas

composition for your process.

9. Select the Advanced tab from the top of the screen. Verify the correct values

for FPV method, units of measure, and all geographical parameters. Select OK

to exit the screen.

6.0 Trim the transmitter

Note

Transmitters are shipped from Emerson™Process Management, Emerson fully calibrated

per request or by the factory default of full scale.

6.1 Zero trim

A zero trim is a single-point adjustment used for compensating mounting

position effects. When performing a zero trim, ensure the low side block valve is

closed, the equalize valve is open, the high side block valve is open, and all wet

legs are filled to the correct level.

To check or adjust for zero shift, leave the sensor by-pass valve open (to simulate

a no-flow condition), with either line pressure or a normal operating SP from the

calibrator applied to the sensor. This applies the same pressure to both sides of

the DP diaphragm to give a zero DP reading.

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June 2016

Quick Start Guide

Perform the following steps:

1. Connect the Rosemount User Interface Software to the Rosemount 3095FC

and run the calibration procedure.

2. Select Meter>Calibration >Freeze.

3. Under the Diff Press input, click Zero Shift to open the Set Zero Shift window.

4. Verify Reading to determine if a Zero Sift correction is required.

5. If the reading is not zero, select Set Zero Shift to adjust the Zero and select

Done. If the reading is zero, select Done.

6. Select Done to close the calibration window and cancel the freeze values to

begin using live readings for the flow calculations.

7. Once the zero trim is complete, verify that the high side block valve is open,

close the equalize valve tightly, then open the low side block valve.

4832 Rev CA.fm Page 10 Wednesday, June 22, 2016 2:06 PM

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