Emerson Process Management LF-Series User Manual
Installation Manual
P/N 20002372, Rev. B
June 2005
Micro Motion
®
LF-Series Flowmeters
Sensor/Transmitter Installation
Manual
©2005, Micro Motion, Inc. All rights reserved. Micro Motion is a registered trademark of Micro Motion, Inc. The Micro Motion and
Emerson logos are trademarks of Emerson Electric Co. All other trademarks are property of their respective owners.
Contents
Chapter 1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.2 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.3 Flowmeter components. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.4 Transmitter codes used in this manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.5 Installation procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.6 LF-Series model numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.7 Additional documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 2 Installing the Sensor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 European installations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Determining a location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3.1 Hazardous area installations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3.2 Distance from transmitter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3.3 Pipe run . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3.4 Shutoff valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Orienting the sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.1 Flow direction arrow. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4.2 Vertical pipeline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Mounting the sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.6 Grounding the sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 3 Installing the Field-Mount Transmitter. . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2 Determining an appropriate location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
3.2.1 Environmental requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.2 Hazardous area classifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.3 Power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.2.4 Distance from sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2.5 Accessibility for maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3 Mounting the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4 Grounding the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5 Supplying power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.6 Rotating the display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Chapter 4 Installing the DIN Rail Mount Transmitter . . . . . . . . . . . . . . . . . . . 17
4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2 Determining an appropriate location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.1 Temperature requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.2.2 Hazardous area classifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.2.3 Power source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.2.4 Distance from sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.2.5 Accessibility for maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
LF-Series Flowmeters: Sensor/Transmitter Installation i
Contents
4.3 Mounting and removing the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.4 Grounding the transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.5 Supplying power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Chapter 5 Wiring the Sensor to the Transmitter. . . . . . . . . . . . . . . . . . . . . . . 23
5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2 Cable types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.3 Wiring to FM or DIN transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.4 MVD Direct Connect wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4.1 Power supply requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5.4.2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 6 I/O Wiring – FM AN Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.2 Output terminals and output types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
6.3 Output wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Chapter 7 I/O Wiring – FM CIO Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.2 Channel configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
7.3 mA output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
7.4 Frequency output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
7.5 Discrete output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
7.6 Discrete input wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Chapter 8 I/O Wiring – FM FB and PA Transmitters . . . . . . . . . . . . . . . . . . . . 43
8.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
8.2 F
8.3 Profibus-PA wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
OUNDATION fieldbus wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Chapter 9 I/O Wiring – DIN AN Transmitters . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.2 Transmitter outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.2.1 mA output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
9.2.2 Frequency output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
9.2.3 Wiring to a remote host . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Chapter 10 I/O Wiring – DIN CIO Transmitters. . . . . . . . . . . . . . . . . . . . . . . . . 53
10.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
10.2 Channel configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
10.3 mA output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
10.4 Frequency output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
10.5 Discrete output wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
10.6 Discrete input wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
10.7 Wiring to a remote host. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
ii LF-Series Flowmeters: Sensor/Transmitter Installation
Contents
Appendix A Dimensions and Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 67
A.1 Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
A.2 LF-Series sensor specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
A.3 LF-Series transmitter specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
A.3.1 Output options and output option codes . . . . . . . . . . . . . . . . . . . . . . . . . 71
A.3.2 LF-Series FM transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
A.3.3 LF-Series DIN transmitters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Appendix B Return Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
B.1 New and unused equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
B.2 Used equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Appendix C CE Certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
C.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
C.2 CE compliance information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
LF-Series Flowmeters: Sensor/Transmitter Installation iii
iv LF-Series Flowmeters: Sensor/Transmitter Installation
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 components:
• All LF-Series sensors
• All LF-Series field-mount transmitters
• All LF-Series DIN rail mount transmitters
If you do not know what sensor or transmitter you have, see Section 1.6 for instructions on identifying
the component type from the part number on the tag.
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.
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
WARNING
Improper installation in a hazardous area can cause an explosion.
For information about hazardous applications, refer to Micro Motion approvals
documentation, 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.
LF-Series Flowmeters: Sensor/Transmitter Installation 1
Before You Begin
1.3 Flowmeter components
The LF-Series flowmeter includes the following components:
• One of the following LF-Series sensors:
-LF2M
-LF3M
-LF4M
• One of the following LF-Series transmitters:
- LF-Series field-mount transmitter with the 1 mA/1 FO outputs option board (flow-only)
- LF-Series field-mount transmitter with the 1 mA/1 FO outputs option board
(multivariable)
- LF-Series field-mount transmitter with the 2 mA/1 FO outputs option board
(multivariable, configurable)
- LF-Series field-mount transmitter with the F
- LF-Series field-mount transmitter with the Profibus-PA outputs option board
- LF-Series DIN rail mount transmitter with the 1 mA/1 FO outputs option board
(flow-only)
- LF-Series DIN rail mount transmitter with the 2 mA/1 FO outputs option board
(multivariable, configurable)
To identify your sensor and transmitter type, see Section 1.6.
OUNDATION
™
fieldbus outputs option board
1.4 Transmitter codes used in this manual
In this manual, codes are used to identify specific LF-Series transmitter types. The codes are listed in
Tabl e 1 -1 .
Tabl e 1-1 Transmitter codes
Transmitter type Code
LF-Series field-mount transmitter with the 1 mA/1 FO outputs option board (flow-only or
multivariable)
LF-Series field-mount transmitter with the 2 mA/1 FO outputs option board (multivariable,
configurable)
LF-Series field-mount transmitter with the F
LF-Series field-mount transmitter with the Profibus-PA outputs option board FM PA
LF-Series DIN rail mount transmitter with the 1 mA/1 FO outputs option board (flow-only) DIN AN
LF-Series DIN rail mount transmitter with the 2 mA/1 FO outputs option board (multivariable,
configurable)
FM AN
FM CIO
OUNDATION fieldbus outputs option board FM FB
DIN CIO
2 LF-Series Flowmeters: Sensor/Transmitter Installation
Before You Begin
1.5 Installation procedures
To install the LF-Series flowmeter, the following procedures are required:
• Install the sensor (all models) – see Chapter 2
• Install the transmitter
- LF-Series field-mount transmitters – see Chapter 3
- LF-Series DIN rail mount transmitters – see Chapter 4
• Wire the transmitter to the sensor – see Chapter 5
• Wire the transmitter outputs or connect the communication wires:
- LF Series FM AN transmitters – see Chapter 6
- LF-Series FM CIO transmitters – see Chapter 7
- LF-Series FM FB or PA transmitters – see Chapter 8
- LF-Series DIN AN transmitters – see Chapter 9
- LF-Series DIN CIO transmitters – see Chapter 10
1.6 LF-Series model numbers
The LF-Series sensor model number has the following form:
LFxMxxxxxxxxxxx
The first four characters identify the sensor model.
The LF-Series transmitter model number has the following form:
LFTxxxxxxxx
where the fourth character identifies the transmitter type:
•
1 and 3 = FM AN
•
2 = DIN AN
•
4 = FM CIO
•
5 = DIN CIO
•
6 = FM FB
•
7 = FM PA
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
1.7 Additional documentation
For information on transmitter configuration and use, and flowmeter troubleshooting, see LF-Series
Transmitters: Configuration and Use, LF-Series Transmitters with F
OUNDATION Fieldbus:
Configuration and Use, or LF-Series Transmitters with Profibus-PA: Configuration and Use.
LF-Series Flowmeters: Sensor/Transmitter Installation 3
4 LF-Series Flowmeters: Sensor/Transmitter Installation
Chapter 2
Installing the Sensor
2.1 Overview
This chapter describes how to install Micro Motion LF-Series sensors. The following general steps
are required:
• Determine the location of the sensor (see Section 2.3)
• Orient the sensor (see Section 2.4)
• Mount the sensor (see Section 2.5)
• Ground the sensor (see Section 2.6)
2.2 European installations
This Micro Motion product complies with all applicable European directives when properly installed
in accordance with the instructions in this manual. Refer to the EC declaration of conformity for
directives that apply to this product.
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
The EC declaration of conformity, with all applicable European directives, and the complete ATEX
Installation Drawings and Instructions are available on the internet at www.micromotion.com/atex
or through your local Micro Motion support center.
2.3 Determining a location
Choose a location for the sensor based on the requirements described in this section. The following
general guidelines can help you select an appropriate location for the sensor.
• You should be able to stop flow through the sensor to facilitate the zeroing procedure.
• For optimal performance, the sensor should remain full of process fluid.
• The sensor must be installed in an area that is compatible with the classification specified on
the approvals tag (see Table A-4).
2.3.1 Hazardous area installations
Make sure the hazardous area specified on the sensor approvals tag is suitable for the environment in
which the sensor is installed (see Table A-4).
LF-Series Flowmeters: Sensor/Transmitter Installation 5
Installing the Sensor
2.3.2 Distance from transmitter
The maximum cable length between the sensor and the transmitter is 1000 ft (300 m).
If you are installing the LF-Series sensor for use in an MVD
• The maximum cable length between the sensor and the direct host is 1000 ft (300 m).
• The maximum cable length between the sensor and the power supply depends on the wire size,
as shown in Table 2-1. The wire must be sized to provide a minimum of 15 V at the sensor. See
the discussion in Section 5.4.1.
Tabl e 2-1 Power supply wire size and cable length – MVD Direct Connect installations
Wire size Maximum length
22 AWG (0,35 mm2) 300 ft (90 m)
20 AWG (0,5 mm
18 AWG (0,8 mm2) 500 ft (150 m)
™
2
) 500 ft (150 m)
Direct Connect™ installation:
Micro Motion supplies 4-wire cable to connect the sensor to the transmitter or remote host. The cable
is fitted with a Eurofast
ranging from 6.5 ft (2 m) to 500 ft (150 m). For longer cable lengths, contact the factory.
2.3.3 Pipe run
Micro Motion sensors do not require a straight run of pipe upstream or downstream.
2.3.4 Shutoff valve
After the sensor and transmitter have been installed, you must perform the zeroing procedure. During
the zeroing procedure, flow through the sensor must be halted and the sensor tubes must be
completely full of process fluid. A shutoff valve, downstream from the sensor, is recommended to halt
flow during the zeroing procedure. For more information about zeroing, refer to the instruction
manual shipped with the transmitter.
2.4 Orienting the sensor
The sensor will function properly in any orientation if the sensor tubes remain filled with process
fluid.
2.4.1 Flow direction arrow
The sensor has a flow direction arrow to help you configure the transmitter for flow direction. If
possible, install the sensor so that the flow direction arrow matches actual process flow.
®
connector for connection to the sensor. Cable can be ordered in lengths
2.4.2 Vertical pipeline
If the sensor is installed in a vertical pipeline, liquids and slurries should flow upward through the
sensor. Gases may flow upward or downward.
6 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the Sensor
2.5 Mounting the sensor
Use your common practices to minimize torque and bending load on process connections. Figure 2-1
illustrates how to mount the sensor.
Figure 2-1 Mounting an LF-Series sensor
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
2.6 Grounding the sensor
The sensor’s mounting plate must be grounded to earth.
Improper grounding could cause measurement error.
To reduce the risk of measurement error:
• Ground the flowmeter to earth, or follow ground network requirements for the
facility.
• For hazardous area installations in Europe, refer to standard EN 60079-14 if
national standards do not apply.
If national standards are not in effect, follow these grounding guidelines:
• Use copper wire, 14 AWG (2,5 mm
• Keep all ground leads as short as possible, less than 1 Ω impedance.
• Connect ground leads directly to earth, or follow plant standards.
CAUTION
2
) or larger wire size, for grounding.
LF-Series Flowmeters: Sensor/Transmitter Installation 7
8 LF-Series Flowmeters: Sensor/Transmitter Installation
Chapter 3
Installing the Field-Mount Transmitter
3.1 Overview
This chapter describes how to install Micro Motion LF-Series field-mount transmitters. The following
general steps are required:
• Determine the location of the transmitter and other flowmeter components (see Section 3.2)
• Mount the transmitter (see Section 3.3)
• Ground the transmitter (see Section 3.4)
• Supply power to the flowmeter (see Section 3.5)
• Rotate the display, if desired and the transmitter has a display (see Section 3.6)
3.2 Determining an appropriate location
To determine an appropriate location for the transmitter, you must consider the environmental
requirements of the transmitter, hazardous area classification, location of power source, cable lengths,
accessibility for maintenance, and visibility of the display (if the transmitter is equipped with a
display).
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
The field-mount installation architecture is shown in Figure 3-1.
Figure 3-1 Installation architecture
Eurofast connector
(supplied with Micro Motion cable)
LF-Series sensor
4-wire cable
LF-Series
FM transmitter
LF-Series Flowmeters: Sensor/Transmitter Installation 9
Installing the Field-Mount Transmitter
3.2.1 Environmental requirements
The transmitter’s environmental requirements include temperature, humidity, and vibration.
Temperature limits
Install the transmitter in an environment where ambient temperature is between –40 and +140 °F
(–40 and +60 °C). If possible, install the transmitter in a location that will prevent direct exposure to
sunlight.
Different ambient temperature requirements may apply, depending on your installation. Refer to the
approvals documentation shipped with the transmitter or available on the Micro Motion web site.
Humidity limits
Install the transmitter in an environment where relative humidity is between 5 and 95%, noncondensing at 140 °F (60 °C).
Vibration limits
The transmitter meets IEC 68.2.6, endurance sweep, 5 to 2000 Hz, 50 sweep cycles at 1.0 g.
3.2.2 Hazardous area classifications
If you plan to mount the transmitter in a hazardous area, verify that the transmitter has the appropriate
hazardous area approval. Each transmitter has a hazardous area approvals tag attached to the
transmitter housing.
For more information about hazardous area classifications and requirements, see Section A.3.2,
Tabl e A -1 6.
3.2.3 Power source
The transmitter must be connected to an AC or DC voltage source. The transmitter automatically
recognizes the source voltage.
AC power requirements
If you are using AC power, the following requirements apply:
• 85–265 VAC
•50/60 Hz
• 6 watts typical, 11 watts maximum
10 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the Field-Mount Transmitter
DC power requirements
Note: These requirements assume a single transmitter per cable. Connecting multiple transmitters to
a single cable should generally be avoided.
If you are using DC power, the following requirements apply:
• 18–100 VDC
• 6 watts typical, 11 watts maximum
• At startup, the transmitter power source must provide a minimum of 1.5 amps 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 amps. To size the cable, refer to Table 3-1 and
use the following formula as a guideline:
MinimumSupplyVoltage 18V CableResistance CableLength× 0.5A×()+=
Tabl e 3-1 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
2,5 mm
2
1,5 mm
2
1 mm
0,75 mm
0,5 mm
(1) These values include the resistance of both high and low conductors in a cable.
Example
2
2
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
16 AWG cable, calculate the required voltage at the DC power supply as follows:
(1)
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
MinimumSupplyVoltage 18V CableResistance CableLength× 0.5 A×()+=
MinimumSupplyVoltage 18 V 0.0080 ohms/ft 350 ft× 0.5A×()+=
MinimumSupplyVoltage 19.4V=
3.2.4 Distance from sensor
The maximum cable length between the sensor and the transmitter is 1000 ft (300 m).
Micro Motion supplies 4-wire cable to connect the sensor to the transmitter. The cable is fitted with a
Eurofast connector for connection to the sensor. Cable can be ordered in lengths ranging from 6.5 ft
(2 m) to 500 ft (150 m). For longer cable lengths, contact the factory.
LF-Series Flowmeters: Sensor/Transmitter Installation 11
Installing the Field-Mount Transmitter
3.2.5 Accessibility for maintenance
Ensure that the transmitter is mounted in a location and orientation that will allow easy access to the
terminals and to the display (if your transmitter has a display).
3.3 Mounting the transmitter
You can mount the transmitter in any orientation as long as the conduit and wiring openings do not
point upward. For transmitter dimensions, see Figure A-1 or Figure A-2
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:
• Ensure the integrity of gaskets and O-rings.
• Grease the O-rings every time the transmitter housing is opened and closed.
• Do not mount the transmitter with the conduit openings pointing upward.
• Install drip legs on conduit or cable.
• Seal the conduit openings.
• Fully tighten the transmitter cover.
.
CAUTION
See Figure 3-2 for a diagram of the mounting bracket supplied with the transmitter. Both pipe
mounting and wall mounting are shown. Ensure that the transmitter is mounted and oriented in a way
that will allow easy access to the terminals and to the display (if your transmitter has a display).
Figure 3-2 4-wire remote – Wall mount or pipe mount
Mounting bracket
(wall mount)
Mounting bracket
(pipe mount)
12 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the Field-Mount Transmitter
To mount the transmitter:
1. Identify the components shown in Figure 3-3. For dimensions, see Appendix A.
2. If desired, re-orient the transmitter on the bracket.
a. Remove the junction end-cap from the junction housing.
b. Loosen each of the four cap screws (4 mm) inside the junction housing.
c. Rotate the bracket so that the transmitter is oriented as desired.
d. Tighten the cap screws, torquing to 30 to 38 in-lbs (3 to 4 N-m).
e. Replace the junction end-cap.
3. Attach the mounting bracket to an instrument pole or wall. For pipe mount, two user-supplied
U-bolts are required. Contact Micro Motion to obtain a pipe-mount installation kit if required.
Figure 3-3 Transmitter components – field-mount transmitters
Ground screw
Mounting bracket
4 X Cap screws
(4 mm)
Junction end-cap
Mating connector
Mating connector
socket
3.4 Grounding the transmitter
CAUTION
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
Main enclosure
Conduit opening
for 4-wire cable
Junction housing
Improper grounding could cause measurement error.
To reduce the risk of measurement error:
• Ground the transmitter to earth, or follow ground network requirements for the
facility.
• For hazardous area installations in Europe, refer to standard EN 60079-14 if
national standards do not apply.
If national standards are not in effect, follow these transmitter grounding guidelines:
• Use copper wire, 14 AWG (2,5 mm
2
) or larger wire size, for grounding.
• Keep all ground leads as short as possible, less than 1 Ω impedance.
• Connect ground leads directly to earth, or follow plant standards.
LF-Series Flowmeters: Sensor/Transmitter Installation 13
Installing the Field-Mount Transmitter
The transmitter has both an internal and an external grounding screw (see Figures 3-3 and 3-4).
Ground the transmitter according to applicable local standards.
3.5 Supplying power
In all installations, power must be provided to the transmitter. Refer to Section 3.2.3 for information
on the transmitter’s power supply requirements.
1. Connect the power supply to terminals 9 and 10, under the Warning flap (see Figure 3-4).
Terminate the positive (line) wire on terminal 10 and the return (neutral) wire on terminal 9.
2. Ground the power supply using the equipment ground, also under the Warning flap.
3. A user-supplied switch may be installed in the power supply line. For compliance with lowvoltage directive 73/23/EEC (European installations), a switch in close proximity to the
transmitter is required.
Figure 3-4 Wiring the transmitter power supply
9
Warning flap
3.6 Rotating the display
If your transmitter has a display, you can rotate the display on the transmitter up to 360° in
90° increments.
10
Equipment
ground
WARNING
Removing the display cover in explosive atmospheres while the power is on
can cause an explosion.
To reduce the risk of an explosion, before removing the display cover in explosive
atmospheres, be sure to shut off the power and wait five minutes.
14 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the Field-Mount Transmitter
Using a dry cloth to clean the display cover can cause static discharge,
which could result in an explosion in an explosive atmosphere.
To reduce the risk of an explosion, always use a damp cloth to clean the display
cover in an explosive atmosphere.
To rotate the display, follow the instructions below:
1. Power down the transmitter.
2. Remove the end-cap clamp by removing the cap screw. See Figure 3-5.
3. Turn the display cover counterclockwise to remove it from the main enclosure.
4. Carefully loosen (and remove if necessary) the semicaptive display screws while holding the
display module in place.
5. Carefully pull the display module out of the main enclosure until the sub-bezel pin terminals
are disengaged from the display module.
6. Rotate the display module to the desired position.
WARNING
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
7. Insert the sub-bezel pin terminals into the display module pin holes to secure the display in its
new position.
8. If you have removed the display screws, line them up with the matching holes on the subbezel, then reinsert and tighten them.
9. Place the display cover onto the main enclosure. Turn the display cover clockwise until it is
snug.
10. Replace the end-cap clamp by reinserting and tightening the cap screw.
11. Restore power to the transmitter.
LF-Series Flowmeters: Sensor/Transmitter Installation 15
Installing the Field-Mount Transmitter
Figure 3-5 Display components
Main enclosure
Pin terminals
Sub-bezel
Display module
Display cover
Display screws
End-cap clamp
Cap screw
16 LF-Series Flowmeters: Sensor/Transmitter Installation
Chapter 4
Installing the DIN Rail Mount Transmitter
4.1 Overview
This chapter describes how to install LF-Series DIN rail mount transmitters. The following general
steps are required:
• Determine the location of the transmitter and other flowmeter components (see Section 4.2)
• Mount the transmitter (see Section 4.3)
• Ground the transmitter (see Section 4.4)
• Supply power to the flowmeter (see Section 4.5)
4.2 Determining an appropriate location
See Figure 4.2.5 for the DIN rail mount installation architecture.
To determine an appropriate location for the transmitter, you must consider the temperature
requirements of the transmitter, hazardous area issues, location of power source, cable lengths, and
accessibility for maintenance.
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
Figure 4-1 Installation architecture
Eurofast connector
(supplied with Micro Motion cable)
LF-Series sensor
4.2.1 Temperature requirements
Install the transmitter in an environment where ambient temperature is between –40 and +131 °F
(–40 and +55 °C).
Hazardous area Safe area
4-wire cable
LF-Series DIN
transmitter (top view)
LF-Series Flowmeters: Sensor/Transmitter Installation 17
Installing the DIN Rail Mount Transmitter
Different ambient temperature requirements may apply, depending on your installation. Refer to the
approvals documentation shipped with the transmitter or available on the Micro Motion web site.
4.2.2 Hazardous area classifications
The LF-Series DIN rail mount transmitter is designed for installation in a safe area. It can be
connected to a sensor located in a hazardous area.
For more information about hazardous area classifications, see Appendix A.
4.2.3 Power source
The transmitter must be connected to a DC voltage source. Do not use an AC power supply.
Applying AC voltage to the transmitter will damage the device.
To avoid damaging the transmitter, do not connect it to an AC power supply.
CAUTION
The following requirements apply:
• 19.2 to 28.8 VDC at the power terminals, at a load current of 330 mA
• 6.3 watts maximum
• At startup, the transmitter power source must provide a minimum of 1.0 amp of short-term
current per transmitter
To size the cable, refer to Table 4-1 and use the following formula as a guideline:
MinimumSupplyVoltage 19.2V CableResistance CableLength× 0.33 A×()+=
Tabl e 4-1 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
2
1 mm
0,75 mm
0,5 mm
2
2
2
2
0,0136 Ω/meter
0,0228 Ω/meter
0,0340 Ω/meter
0,0460 Ω/meter
0,0680 Ω/meter
(1)
(1) These values are based on copper wire, and include the resistance of both wires in a cable. If you are using a material other
than copper, refer to the resistivity specifications for your wire type.
18 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the DIN Rail Mount Transmitter
Example
The transmitter is mounted 350 feet from a DC power supply. If you want to use
16 AWG cable, calculate the required voltage at the DC power supply as follows:
MinimumSupplyVoltage 19.2 CableResistance CableLength× 0.33 A×()+=
MinimumSupplyVoltage 19.2V 0.0080 ohms/ft 350 ft× 0.33 A×()+=
MinimumSupplyVoltage 20.1V=
4.2.4 Distance from sensor
The maximum cable length between the sensor and the transmitter is 1000 ft (300 m).
Micro Motion supplies 4-wire cable to connect the sensor to the transmitter. The cable is fitted with a
Eurofast
®
connector for connection to the sensor. Cable can be ordered in lengths ranging from 6.5 ft
(2 m) to 500 ft (150 m). For longer cable lengths, contact the factory.
4.2.5 Accessibility for maintenance
Ensure that the transmitter is mounted in a location that will allow easy access to the terminals and the
front panel.
4.3 Mounting and removing the transmitter
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
The transmitter is designed to be mounted on a 35 mm rail. The DIN rail must be grounded. See
Figure A-3 for dimensions.
If the temperature is above 113 °F (45 °C) and you are mounting multiple transmitters, they must be
mounted at least 0.33 in (8,5 mm) apart. Use an end bracket or end stop to space the transmitters. See
Figure 4-2.
Figure 4-2 Mounting multiple transmitters
Dimensions in
inches
(mm)
0.33 or greater
(8,5 or greater)
End bracket or end stop
0.33 in (8,5 mm) minimum spacing
LF-Series Flowmeters: Sensor/Transmitter Installation 19
Installing the DIN Rail Mount Transmitter
To mount the transmitter:
1. Locate the transmitter in the desired position on the DIN rail.
2. Place the slot on back of the transmitter against the rail (see Figure 4-3
3. Apply pressure to the transmitter until the spring clamp snaps onto the rail.
Figure 4-3 Mounting and removing the transmitter
).
Spring clamp
To remove the transmitter:
1. Slide a screwdriver into the spring clamp release loop (see Figure 4-3
2. Pull the spring clamp away from the transmitter.
3. Lift the transmitter from the rail.
4.4 Grounding the transmitter
Improper grounding could cause measurement error.
To reduce the risk of measurement error:
• Ground the transmitter to earth, or follow ground network requirements for the
facility.
• For hazardous area installations in Europe, refer to standard EN 60079-14 if
national standards do not apply.
DIN rail
Spring clamp release loop
).
CAUTION
If national standards are not in effect, follow these transmitter grounding guidelines:
• Use copper wire, 14 AWG (2,5 mm
2
) or larger wire size, for grounding.
• Keep all ground leads as short as possible, less than 1 Ω impedance.
• Connect ground leads directly to earth, or follow plant standards.
20 LF-Series Flowmeters: Sensor/Transmitter Installation
Installing the DIN Rail Mount Transmitter
To ground the transmitter, ground the DIN rail. A rail clip in the base of the transmitter housing
grounds the transmitter to the DIN rail.
4.5 Supplying power
In all installations, power must be provided to the transmitter. Refer to Section 4.2.3 for information
on the transmitter’s power supply requirements.
Connect the power supply to terminals 11 and 12. Terminate the positive wire on terminal 11 and the
negative wire on terminal 12. See Figure 4-4.
Terminals 13 and 14 are used to jumper power to another LF-Series DIN transmitter. A maximum of
five transmitters can be jumpered together.
Figure 4-4 Wiring the transmitter power supply
–
+
Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin Installing the Sensor Installing the DIN TransmitterInstalling the FM TransmitterBefore You Begin
+
Primary power supply
(DC)
–
Power supply jumper to a
maximum of four other
LF-Series DIN transmitters
LF-Series Flowmeters: Sensor/Transmitter Installation 21
22 LF-Series Flowmeters: Sensor/Transmitter Installation
Chapter 5
Wiring the Sensor to the Transmitter
5.1 Overview
This chapter describes how to connect Micro Motion LF-Series sensors to LF-Series transmitters.
This chapter also describes how to connect the LF-Series sensor to a remote host, for use in
MVD Direct Connect installations.
CAUTION
Large electromagnetic fields can interfere with flowmeter communication
signals.
Improper installation of cable or conduit can cause measurement error or flowmeter
failure. To reduce the risk of measurement error or flowmeter failure, keep cable or
conduit away from devices such as transformers, motors, and power lines which
produce large electromagnetic fields.
I/O Wiring – FM AN I/O Wiring – FM FB and PAI/O Wiring – FM CIOSensor Wiring
5.2 Cable types
Micro Motion offers 4-wire cable with a factory-installed Eurofast connector.
5.3 Wiring to FM or DIN transmitters
To connect the cable, follow the steps below.
1. To connect the cable to the sensor, plug the Eurofast connector onto the top of the sensor
connection. The connector is keyed for appropriate orientation.
2. Identify the wires in the 4-wire cable. The 4-wire cable supplied by Micro Motion consists of
one pair of 18 AWG (0,75 mm
connection, and one pair of 22 AWG (0,35 mm
for the RS-485 connection.
3. To connect:
• To a field-mount transmitter, connect the four wires from the sensor to terminals 1–4 on
the mating connector of the transmitter. See Figure 5-1. Do not ground the shield, braid, or
drain wire(s) at the transmitter.
• To a DIN rail mount transmitter, connect the four wires from the sensor to terminals 1–4
on the transmitter. See Figure 5-2. Do not ground the shield, braid, or drain wire(s) at the
transmitter.
2
) wires (brown and black), which should be used for the VDC
2
) wires (blue and white), which should be used
LF-Series Flowmeters: Sensor/Transmitter Installation 23
Wiring the Sensor to the Transmitter
Figure 5-1 4-wire cable between sensor and FM transmitter
Sensor terminals
Figure 5-2 4-wire cable between sensor and DIN transmitter
Sensor terminals 4-wire cable Transmitter terminals for
4-wire cable Mating connector
Maximum cable length:
1000 ft (300 m)
User-supplied or
factory-supplied cable
VDC+ (Brown)
VDC– (Black)
RS-485/A (Blue)
{
RS-485/B (White)
(transmitter)
sensor connection
Maximum cable length:
1000 ft (300 m)
User-supplied or
factory-supplied cable
RS-485/B (White)
RS-485/A (Blue)
{
VDC– (Black)
VDC+ (Brown)
24 LF-Series Flowmeters: Sensor/Transmitter Installation
Loading...