Emerson 2400S User Manual

Installation Manual

P/N 20003402, Rev. C January 2007

Micro Motion

Model 2400S Transmitters

Installation Manual

©2007, Micro Motion, Inc. All rights reserved. ELITE, ProLink, and the Micro Motion logo are registered trademarks of Micro Motion, Inc., Boulder, Colorado. MVD and MVD Direct Connect are trademarks of Micro Motion, Inc., Boulder, Colorado. The Emerson logo is a trademark of Emerson Electric Co. All other trademarks are property of their respective owners.

Chapter 1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.3 Flowmeter components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.4 Transmitter installation overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.5 Flowmeter documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2 Transmitter Orientation and Power Supply . . . . . . . . . . . . . . . . . . . . 5

2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.2 Moisture protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.3 Rotating the transmitter on the sensor (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.4 Rotating the user interface module on the transmitter (optional) . . . . . . . . . . . . . . . . 6

2.5 Power supply requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.5.1 DC power requirements for Model 2400S Analog and

PROFIBUS-DP transmitters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

2.6 Wiring the power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 3 I/O Wiring – Model 2400S Analog Transmitters. . . . . . . . . . . . . . . . 11

3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2 Moisture protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.3 I/O options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.4 Wiring the outputs (Zone 1 Exe and Zone 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.4.1 mA output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.4.2 Frequency output wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.4.3 Discrete output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

3.4.4 Discrete input wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

3.5 Wiring the outputs (Zone 1 Exi). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

3.5.1 Hazardous area safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.5.2 Hazardous area mA wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

3.5.3 Hazardous area frequency/discrete output wiring . . . . . . . . . . . . . . . . . . 23

3.5.4 Hazardous area discrete input wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Chapter 4 I/O Wiring – Model 2400S PROFIBUS-DP and

DeviceNet Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.2 Moisture protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

4.3 I/O wiring for Model 2400S PROFIBUS-DP transmitters . . . . . . . . . . . . . . . . . . . . . 28

4.3.1 Enabling the internal termination resistor . . . . . . . . . . . . . . . . . . . . . . . . 29

4.4 I/O wiring for Model 2400S DeviceNet transmitters . . . . . . . . . . . . . . . . . . . . . . . . . 30

Installation Manual iii

Contents

Appendix A Dimensions and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 31

A.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

A.2 Physical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

A.3 Power supply – Models 2400S Analog and PROFIBUS-DP. . . . . . . . . . . . . . . . . . . 32

A.4 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

A.5 User interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

A.6 Input/output signals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

A.7 Digital communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

A.8 Host interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

A.9 Environmental limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

A.10 Environmental effects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

A.11 Hazardous area classifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Appendix B Return Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

B.1 New and unused equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

B.2 Used equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

iv Micro Motion® Model 2400S Transmitters

Chapter 1

Before You Begin

1.1 Overview

This chapter provides an orientation to the use of this manual. This manual describes the procedures required to install the following transmitters:

• Model 2400S transmitter with analog outputs

• Model 2400S transmitter with PROFIBUS-DP

• Model 2400S transmitter with DeviceNet

1.2 Safety

Safety messages are provided throughout this manual to protect personnel and equipment. Read each safety message carefully before proceeding to the next step.

™

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

WARNING

Improper installation in a hazardous area can cause an explosion.

For information about hazardous applications, refer to Micro Motion hazardous area installation instructions, shipped with the transmitter or available from the Micro Motion web site.

WARNING

Hazardous voltage can cause severe injury or death.

Make sure power is disconnected before installing transmitter.

CAUTION

Improper installation could cause measurement error or flowmeter failure.

Follow all instructions to ensure transmitter will operate correctly.

Installation Manual 1

Before You Begin

1.3 Flowmeter components

The Model 2400S transmitter is mounted on a Micro Motion sensor. The transmitter and sensor together comprise the Micro Motion flowmeter.

Figure 1-1 provides a view of the Model 2400S transmitter mounted on a sensor.

Figure 1-1 Model 2400S transmitter

Conduit openings

Sensor case

1.4 Transmitter installation overview

The Model 2400S transmitter component is mounted integrally with the sensor and grounded via the sensor. To install and ground the sensor, see the sensor documentation.

Additional transmitter installation steps are documented in this manual:

• Rotate the transmitter on the sensor (optional) – see Chapter 2

• Rotate the user interface module on the transmitter (optional) – see Chapter 2

• Wire and ground the transmitter’s power supply – see Chapter 2

Transmitter housing cover

Clamping ring

• Wire the transmitter I/O:

- For the Model 2400S Analog transmitter, see Chapter 3

- For the Model 2400S PROFIBUS-DP and DeviceNet transmitters, see Chapter 4

2 Micro Motion® Model 2400S Transmitters

Before You Begin

1.5 Flowmeter documentation

Table 1-1 lists documentation sources for other required information.

Tabl e 1-1 Flowmeter documentation resources

Topic Document

Sensor installation Sensor documentation shipped with sensor

Hazardous area installation See the approval documentation shipped with the

Transmitter configuration Transmitter startup and use Transmitter troubleshooting

transmitter, or download the appropriate documentation from the Micro Motion web site (www.micromotion.com)

• Micro Motion® Model 2400S Transmitters with Analog Outputs: Configuration and Use Manual

• Micro Motion® Model 2400S Transmitters with PROFIBUS-DP: Configuration and Use Manual

• Micro Motion® Model 2400S Transmitters with DeviceNet

™

: Configuration and Use Manual

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

Installation Manual 3

4 Micro Motion® Model 2400S Transmitters

Chapter 2

Transmitter Orientation and Power Supply

2.1 Overview

This chapter describes:

• Rotating the transmitter on the sensor (optional)

• Rotating the user interface module on the transmitter (optional)

• Power supply requirements and wiring

2.2 Moisture protection

When rotating or wiring the transmitter, guard against condensation or excessive moisture inside the transmitter housing. Be sure that the conduit openings are completely sealed after all installation and wiring procedures have been performed.

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

CAUTION

Condensation or excessive moisture entering the transmitter could damage the transmitter and result in measurement error or flowmeter failure.

To reduce the risk of measurement error or flowmeter failure:

• Do not mount the sensor so that the conduit openings on the transmitter point upward.

• Ensure the integrity of gaskets and O-rings.

• Grease the O-rings every time the transmitter housing is opened and closed.

• Install drip legs on conduit or cable.

• Seal the conduit openings.

• Fully tighten all covers.

2.3 Rotating the transmitter on the sensor (optional)

For easier access to the user interface or the wiring terminals, the transmitter can be rotated on the sensor in 45° increments, for eight different orientations.

To rotate the transmitter on the sensor:

1. Referring to Figure 2-1, unscrew the clamp that holds the transmitter to the feedthrough.

2. Gently lift the transmitter on the feedthrough until it disengages from the notches on the feedthrough. You will not be able to remove the transmitter completely.

3. Rotate the transmitter to the desired position.

4. Lower the transmitter, sliding it onto the notches on the feedthrough.

5. Replace the clamp and tighten the screw.

Installation Manual 5

Transmitter Orientation and Power Supply

Figure 2-1 Rotating the transmitter on the sensor

Clamping ring

Feedthrough

CAUTION

Excessive rotation of the housing on the feedthrough can cause wiring damage and result in measurement error or flowmeter failure.

To reduce the risk of damaging internal wiring, do not rotate the housing more than

°. You can rotate the transmitter either clockwise or counter-clockwise to reach

360 the desired position.

2.4 Rotating the user interface module on the transmitter (optional)

For easier access, the user interface module (whether or not the transmitter has an LCD display) can be rotated on the transmitter up to 360° in 90° increments.

To rotate the user interface module on the transmitter:

Feedthrough notches

1. Remove power from the unit.

WARNING

Removing the transmitter housing cover in a hazardous area while the transmitter is powered up can cause an explosion.

To avoid the risk of an explosion, remove power from the transmitter before removing the transmitter housing cover.

2. Referring to Figure 2-2, remove the transmitter housing cover and user interface module:

a. Loosen the four transmitter housing cover screws.

b. Remove the transmitter housing cover.

c. Loosen the two user interface screws.

d. Gently lift the user interface module, disengaging it from the user interface connector on

the transmitter.

6 Micro Motion® Model 2400S Transmitters

Transmitter Orientation and Power Supply

3. On the back of the user interface module, four user interface connectors are provided. Rotate the user interface module to the desired position and plug it into the user interface connector on the transmitter. (See Figure 2-3 for another view of the user interface connector on the transmitter.)

4. Tighten the user interface screws.

5. Replace the transmitter housing cover and tighten the transmitter housing cover screws.

6. Restore power to the transmitter if required.

Figure 2-2 Rotating the user interface module on the transmitter

User interface module

4 × Transmitter housing cover screws (captive)

Transmitter housing cover

2 × User interface screws (captive)

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

2.5 Power supply requirements

Model 2400S Analog and Model 2400S PROFIBUS-DP transmitters can accept either AC or DC power. The transmitter automatically recognizes the source voltage. Power supply requirements for these transmitter models are listed in Table 2-1.

Tabl e 2 -1 Power supply requirements

Power type

Transmitter

Model 2400S Analog Model 2400S PROFIBUS-DP

(1) These requirements assume a single transmitter per cable. Connecting multiple transmitters to a single cable should generally be

avoided.

AC DC

• 85–265 VAC

•50/60 Hz

• 4 watts typical, 7 watts maximum

(1)

• 18–100 VDC

• 4 watts typical, 7 watts maximum

The Model 2400S DeviceNet transmitter is powered from the DeviceNet network per the DeviceNet specification. There is no need to connect separate power-supply wiring for the Model 2400S DeviceNet transmitter. Skip to Chapter 4.

Installation Manual 7

Transmitter Orientation and Power Supply

2.5.1 DC power requirements for Model 2400S Analog and PROFIBUS-DP transmitters

If you are using DC power with a Model 2400S Analog or PROFIBUS-DP transmitter, the following requirements apply:

• At startup, the transmitter power source must provide a minimum of 1 A of short-term current per transmitter.

• Length and conductor diameter of the power cable must be sized to provide 18 VDC minimum at the power terminals, at a load current of 0.5 A. To size the cable, refer to Table 2-2 and use the following formula as a guideline:

MinimumSupplyVoltage 18V CableResistance CableLength× 0.5A×()+=

Tabl e 2 -2 Typical power cable resistances at 68 °F (20 °C)

Gauge Resistance

14 AWG 0.0050 Ω/foot

16 AWG 0.0080 Ω/foot

18 AWG 0.0128 Ω/foot

20 AWG 0.0204 Ω/foot

2,5 mm

1,5 mm

1 mm

0,75 mm

0,5 mm

(1) These values include the resistance of both high and low conductors in a cable.

Example

The transmitter is mounted 350 feet from a DC power supply. If you want to use

0,0136 Ω/meter

0,0228 Ω/meter

0,0340 Ω/meter

0,0460 Ω/meter

0,0680 Ω/meter

(1)

16 AWG cable, calculate the required voltage at the DC power supply as follows:

MinimumSupplyVoltage 18V CableResistance CableLength× 0.5A×()+=

MinimumSupplyVoltage 18V 0.0080 Ohms/ft 350 ft× 0.5A×()+=

MinimumSupplyVoltage 19.4V=

2.6 Wiring the power supply

Note: This procedure is required only for Model 2400S Analog and PROFIBUS-DP transmitters.

To wire the power supply:

1. Remove the transmitter housing cover and user interface module as described in Section 2.4.

2. Unscrew the warning flap screw and raise the warning flap. Figure 2-3 shows the warning flap in the open position.

3. Connect the power supply wires to terminals 9 and 10, as shown in Figure 2-3.

4. Ground the power supply to the transmitter’s internal grounding screw, shown in Figure 2-3.

5. Lower the warning flap and tighten the warning flap screw.

8 Micro Motion® Model 2400S Transmitters

Transmitter Orientation and Power Supply

A user-supplied switch may be installed in the power supply line. For compliance with low-voltage directive 73/23/EEC (European installations), a switch in close proximity to the transmitter is required.

Figure 2-3 Wiring the transmitter power supply

Model 2400S Analog transmitter

User interface connector

+ (L)

– (N)

User interface connector

Warning flap screw

Warning flap

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

Transmitter internal grounding screw

Model 2400S PROFIBUS-DP transmitter

Warning flap screw

Warning flap

Transmitter internal

+ (L)

– (N)

Installation Manual 9

grounding screw

10 Micro Motion® Model 2400S Transmitters

Chapter 3

I/O Wiring – Model 2400S Analog Transmitters

3.1 Overview

This chapter describes how to wire I/O for Model 2400S Analog transmitters.

Note: To wire I/O for Model 2400S PROFIBUS-DP and DeviceNet transmitters, see Chapter 4.

The 2400S Analog transmitter can be approved for Exe or Exi installation in Zone 1, or for installation in Zone 2. If you are installing your transmitter in a hazardous area, be sure the transmitter is approved for that area. It is the user’s responsibility to verify that the specific installation meets the local and national safety requirements and electrical codes.

3.2 Moisture protection

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

3.3 I/O options

Table 3-1 lists the options for the transmitter’s two I/O channels. Before wiring Channel B, ensure that you know how it will be configured. For information on configuring Channel B for function and power, see the manual entitled Micro Motion Configuration and Use Manual.

CAUTION

Condensation or excessive moisture entering the transmitter could damage the transmitter and result in measurement error or flowmeter failure.

To reduce the risk of measurement error or flowmeter failure:

• Do not mount the sensor so that the conduit openings on the transmitter point upward.

• Ensure the integrity of gaskets and O-rings.

• Grease the O-rings every time the transmitter housing is opened and closed.

• Install drip legs on conduit or cable.

• Seal the conduit openings.

• Fully tighten all covers.

Model 2400S Transmitters with Analog Outputs:

Installation Manual 11

+ 35 hidden pages