Endress+Hauser Proline Promag L 400 User manual

Products Solutions Services
Operating Instructions
Proline Promag L 400
PROFIBUS DP
Electromagnetic flowmeter
BA01233D/06/EN/02.14
71258939
Valid as of version
01.00.zz (Device firmware)

Proline Promag L 400 PROFIBUS DP
2 Endress+Hauser
• Make sure the document is stored in a safe place such that it is always available when
working on or with the device.
• To avoid danger to individuals or the facility, read the "Basic safety instructions" section
carefully, as well as all other safety instructions in the document that are specific to
working procedures.
• The manufacturer reserves the right to modify technical data without prior notice. Your
Endress+Hauser Sales Center will supply you with current information and updates to
these Instructions.

Proline Promag L 400 PROFIBUS DP Table of contents
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Table of contents
1 Document information .............. 6
1.1 Document function ..................... 6
1.2 Symbols used .......................... 6
1.2.1 Safety symbols .................. 6
1.2.2 Electrical symbols ................ 6
1.2.3 Tool symbols .................... 6
1.2.4 Symbols for certain types of
information .................... 7
1.2.5 Symbols in graphics ............... 7
1.3 Documentation ........................ 7
1.3.1 Standard documentation ........... 8
1.3.2 Supplementary device-dependent
documentation .................. 8
1.4 Registered trademarks ................... 8
2 Basic safety instructions ............ 9
2.1 Requirements for the personnel ............ 9
2.2 Designated use ........................ 9
2.3 Workplace safety ...................... 10
2.4 Operational safety ..................... 10
2.5 Product safety ........................ 10
2.6 IT security ........................... 11
3 Product description ................ 12
3.1 Product design ........................ 12
4 Incoming acceptance and product
identification ..................... 13
4.1 Incoming acceptance ................... 13
4.2 Product identification ................... 13
4.2.1 Transmitter nameplate ........... 14
4.2.2 Sensor nameplate ............... 15
4.2.3 Symbols on measuring device ...... 16
5 Storage and transport ............. 17
5.1 Storage conditions ..................... 17
5.2 Transporting the product ................ 17
5.2.1 Measuring devices without lifting
lugs ......................... 17
5.2.2 Measuring devices with lifting lugs .. 18
5.2.3 Transporting with a fork lift ........ 18
5.3 Packaging disposal ..................... 18
6 Installation ....................... 19
6.1 Installation conditions .................. 19
6.1.1 Mounting position ............... 19
6.1.2 Requirements from environment and
process ....................... 21
6.1.3 Special mounting instructions ...... 23
6.2 Mounting the measuring device ........... 23
6.2.1 Required tools .................. 23
6.2.2 Preparing the measuring device ..... 23
6.2.3 Mounting the sensor ............. 23
6.2.4 Mounting the transmitter of the
remote version ................. 27
6.2.5 Turning the transmitter housing .... 29
6.2.6 Turning the display module ........ 31
6.3 Post-installation check .................. 32
7 Electrical connection .............. 33
7.1 Connection conditions .................. 33
7.1.1 Required tools .................. 33
7.1.2 Requirements for connecting cable ... 33
7.1.3 Terminal assignment ............. 35
7.1.4 Preparing the measuring device ..... 36
7.1.5 Preparing the connecting cable for
the remote version .............. 36
7.2 Connecting the measuring device .......... 38
7.2.1 Connecting the remote version ..... 38
7.2.2 Connecting the transmitter ........ 40
7.2.3 Ensuring potential equalization ..... 41
7.3 Special connection instructions ............ 43
7.3.1 Connection examples ............. 43
7.4 Hardware settings ..................... 43
7.4.1 Setting the device address ......... 43
7.4.2 Enabling the terminating resistor .... 44
7.5 Ensuring the degree of protection .......... 44
7.5.1 Degree of protection IP66/67, Type
4X enclosure ................... 44
7.6 Post-connection check .................. 45
8 Operation options ................. 46
8.1 Overview of operation options ............ 46
8.2 Structure and function of the operating
menu .............................. 47
8.2.1 Structure of the operating menu .... 47
8.2.2 Operating philosophy ............ 48
8.3 Access to the operating menu via the local
display ............................. 49
8.3.1 Operational display .............. 49
8.3.2 Navigation view ................ 50
8.3.3 Editing view ................... 52
8.3.4 Operating elements .............. 53
8.3.5 Opening the context menu ......... 54
8.3.6 Navigating and selecting from list ... 56
8.3.7 Calling the parameter directly ...... 56
8.3.8 Calling up help text .............. 57
8.3.9 Changing the parameters ......... 58
8.3.10 User roles and related access
authorization .................. 59
8.3.11 Disabling write protection via access
code ......................... 59
8.3.12 Enabling and disabling the keypad
lock ......................... 59

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8.4 Access to the operating menu via the Web
browser ............................. 60
8.4.1 Function range ................. 60
8.4.2 Prerequisites ................... 60
8.4.3 Establishing a connection ......... 61
8.4.4 Logging on .................... 62
8.4.5 User interface .................. 62
8.4.6 Disabling the Web server .......... 63
8.4.7 Logging out .................... 63
8.5 Access to the operating menu via the
operating tool ........................ 64
8.5.1 Connecting the operating tool ...... 64
8.5.2 FieldCare ..................... 65
9 System integration ................ 67
9.1 Overview of device description files ......... 67
9.1.1 Current version data for the device ... 67
9.1.2 Operating tools ................. 67
9.2 Device master file (GSD) ................. 67
9.2.1 Manufacturer-specific GSD ........ 67
9.2.2 Profile GSD .................... 68
9.2.3 Compatibility with other Endress
+Hauser measuring devices ........ 68
9.3 Cyclic data transmission ................ 69
9.3.1 Block model ................... 69
9.3.2 Description of the modules ........ 70
10 Commissioning .................... 75
10.1 Function check ....................... 75
10.2 Switching on the measuring device ......... 75
10.3 Establishing a connection via FieldCare ...... 75
10.4 Configuring the device address via software .. 75
10.4.1 PROFIBUS network .............. 75
10.5 Setting the operating language ............ 75
10.6 Configuring the measuring device .......... 76
10.6.1 Defining the tag name ............ 77
10.6.2 Setting the system units .......... 77
10.6.3 Configuring the local display ....... 78
10.6.4 Configuring the communication
interface ...................... 80
10.6.5 Configuring the analog inputs ...... 81
10.6.6 Configuring the low flow cut off ..... 81
10.6.7 Configuring empty pipe detection ... 83
10.7 Advanced settings ..................... 84
10.7.1 Carrying out a sensor adjustment .... 85
10.7.2 Configuring the totalizer .......... 85
10.7.3 Carrying out additional display
configurations .................. 87
10.7.4 Performing electrode cleaning ...... 89
10.8 Simulation ........................... 90
10.9 Protecting settings from unauthorized
access .............................. 91
10.9.1 Write protection via access code ..... 91
10.9.2 Write protection via write protection
switch ........................ 92
11 Operation ......................... 94
11.1 Reading device locking status ............. 94
11.2 Adjusting the operating language .......... 94
11.3 Configuring the display ................. 94
11.4 Reading measured values ................ 94
11.4.1 Process variables ................ 94
11.4.2 Totalizer ...................... 95
11.5 Adapting the measuring device to the process
conditions ........................... 95
11.6 Performing a totalizer reset .............. 96
11.7 Showing data logging ................... 96
12 Diagnostics and troubleshooting ... 99
12.1 General troubleshooting ................. 99
12.2 Diagnostic information via light emitting
diodes ............................. 100
12.2.1 Transmitter ................... 100
12.3 Diagnostic information on local display ..... 102
12.3.1 Diagnostic message ............. 102
12.3.2 Calling up remedial measures ..... 103
12.4 Diagnostic information in the Web browser .104
12.4.1 Diagnostic options .............. 104
12.4.2 Calling up remedy information .... 105
12.5 Diagnostic information in FieldCare ....... 105
12.5.1 Diagnostic options .............. 105
12.5.2 Calling up remedy information .... 106
12.6 Adapting the diagnostic information ...... 106
12.6.1 Adapting the diagnostic behavior ... 106
12.7 Overview of diagnostic information ....... 108
12.8 Pending diagnostic events .............. 111
12.9 Diagnostic list ....................... 111
12.10 Event logbook ....................... 112
12.10.1 Event history .................. 112
12.10.2 Filtering the event logbook ....... 112
12.10.3 Overview of information events .... 112
12.11 Resetting the measuring device .......... 113
12.11.1 Function scope of "Device reset"
parameter .................... 114
12.12 Device information ................... 114
12.13 Firmware history ..................... 116
13 Maintenance .................... 117
13.1 Maintenance tasks .................... 117
13.1.1 Exterior cleaning ............... 117
13.1.2 Interior cleaning ............... 117
13.1.3 Replacing seals ................ 117
13.2 Measuring and test equipment ........... 117
13.3 Endress+Hauser services ............... 117
14 Repair ........................... 118
14.1 General notes ....................... 118
14.2 Spare parts ......................... 118
14.3 Endress+Hauser services ............... 118
14.4 Return ............................. 118
14.5 Disposal ........................... 118
14.5.1 Removing the measuring device .... 118

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14.5.2 Disposing of the measuring device .. 119
15 Accessories ...................... 120
15.1 Device-specific accessories .............. 120
15.1.1 For the transmitter ............. 120
15.1.2 For the sensor ................. 120
15.2 Service-specific accessories .............. 120
15.3 System components ................... 121
16 Technical data ................... 122
16.1 Application ......................... 122
16.2 Function and system design ............. 122
16.3 Input .............................. 122
16.4 Output ............................ 125
16.5 Power supply ........................ 126
16.6 Performance characteristics ............. 127
16.7 Installation ......................... 129
16.8 Environment ........................ 129
16.9 Process ............................ 130
16.10 Mechanical construction ............... 131
16.11 Operability ......................... 143
16.12 Certificates and approvals .............. 145
16.13 Application packages .................. 146
16.14 Accessories ......................... 147
16.15 Supplementary documentation ........... 147
17 Appendix ........................ 148
17.1 Overview of the operating menu .......... 148
17.1.1 "Operation" menu ............... 148
17.1.2 "Setup" menu .................. 149
17.1.3 "Diagnostics" menu .............. 152
17.1.4 "Expert" menu ................. 156
Index ................................. 175

Document information Proline Promag L 400 PROFIBUS DP
6 Endress+Hauser
1 Document information
1.1 Document function
These Operating Instructions contain all the information that is required in various phases
of the life cycle of the device: from product identification, incoming acceptance and
storage, to mounting, connection, operation and commissioning through to
troubleshooting, maintenance and disposal.
1.2 Symbols used
1.2.1 Safety symbols
Symbol Meaning
DANGER
DANGER!
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
CAUTION!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
NOTE!
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Symbol Meaning Symbol Meaning
Direct current Alternating current
Direct current and alternating current Ground connection
A grounded terminal which, as far as
the operator is concerned, is
grounded via a grounding system.
Protective ground connection
A terminal which must be connected
to ground prior to establishing any
other connections.
Equipotential connection
A connection that has to be connected
to the plant grounding system: This
may be a potential equalization line
or a star grounding system depending
on national or company codes of
practice.
1.2.3 Tool symbols
Symbol Meaning
Torx screwdriver
Phillips head screwdriver
Open-ended wrench

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1.2.4 Symbols for certain types of information
Symbol Meaning
Permitted
Procedures, processes or actions that are permitted.
Preferred
Procedures, processes or actions that are preferred.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information.
Reference to documentation
Reference to page
Reference to graphic
,… ,
Series of steps
Result of a sequence of actions
Help in the event of a problem
Visual inspection
1.2.5 Symbols in graphics
Symbol Meaning Symbol Meaning
1, 2, 3,... Item numbers
,… ,
Series of steps
A, B, C, ... Views A-A, B-B, C-C, ... Sections
-
Hazardous area
.
Safe area (non-hazardous area)
Flow direction
1.3 Documentation
For an overview of the scope of the associated Technical Documentation, refer to the
following:
• The CD-ROM provided for the device (depending on the device version, the CD-ROM
might not be part of the delivery!)
• The W@M Device Viewer : Enter the serial number from the nameplate
(www.endress.com/deviceviewer)
• The Endress+Hauser Operations App: Enter the serial number from the nameplate
or scan the 2-D matrix code (QR code) on the nameplate.
For a detailed list of the individual documents along with the documentation code

Document information Proline Promag L 400 PROFIBUS DP
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1.3.1 Standard documentation
Document type Purpose and content of the document
Technical Information Planning aid for your device
The document contains all the technical data on the device and provides
an overview of the accessories and other products that can be ordered for
the device.
Brief Operating Instructions Guide that takes you quickly to the 1st measured value
The Brief Operating Instructions contain all the essential information
from incoming acceptance to initial commissioning.
1.3.2 Supplementary device-dependent documentation
Additional documents are supplied depending on the device version ordered: Always
comply strictly with the instructions in the supplementary documentation. The
supplementary documentation is an integral part of the device documentation.
1.4 Registered trademarks
PROFIBUS®
Registered trademark of the PROFIBUS User Organization, Karlsruhe, Germany
Microsoft®
Registered trademark of the Microsoft Corporation, Redmond, Washington, USA
Applicator®, FieldCare®, Field XpertTM, HistoROM®, Heartbeat TechnologyTM
Registered or registration-pending trademarks of the Endress+Hauser Group

Proline Promag L 400 PROFIBUS DP Basic safety instructions
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2 Basic safety instructions
2.1 Requirements for the personnel
The personnel for installation, commissioning, diagnostics and maintenance must fulfill
the following requirements:
‣Trained, qualified specialists must have a relevant qualification for this specific function
and task
‣Are authorized by the plant owner/operator
‣Are familiar with federal/national regulations
‣Before beginning work, the specialist staff must have read and understood the
instructions in the Operating Instructions and supplementary documentation as well as
in the certificates (depending on the application)
‣Following instructions and basic conditions
The operating personnel must fulfill the following requirements:
‣Being instructed and authorized according to the requirements of the task by the
facility's owner-operator
‣Following the instructions in these Operating Instructions
2.2 Designated use
Application and media
The measuring device described in these Instructions is intended only for flow
measurement of liquids with a minimum conductivity of 5 μS/cm.
Depending on the version ordered, the measuring device can also measure potentially
explosive, flammable, poisonous and oxidizing media.
Measuring devices for use in hazardous areas, in hygienic applications or in applications
where there is an increased risk due to process pressure, are labeled accordingly on the
nameplate.
To ensure that the measuring device remains in proper condition for the operation time:
‣Only use the measuring device in full compliance with the data on the nameplate and
the general conditions listed in the Operating Instructions and supplementary
documentation.
‣Based on the nameplate, check whether the ordered device is permitted for the
intended use in the hazardous area (e.g. explosion protection, pressure vessel safety).
‣Use the measuring device only for media against which the process-wetted materials
are adequately resistant.
‣If the measuring device is not operated at atmospheric temperature, compliance with
the relevant basic conditions specified in the associated device documentation is
absolutely essential: "Documentation" section (→  7).
Incorrect use
Non-designated use can compromise safety. The manufacturer is not liable for damage
caused by improper or non-designated use.
LWARNING
Danger of breakage of the sensor due to corrosive or abrasive fluids!
‣Verify the compatibility of the process fluid with the sensor material.
‣Ensure the resistance of all fluid-wetted materials in the process.
‣Observe the specified pressure and temperature range.
Verification for borderline cases:
‣For special fluids and fluids for cleaning, Endress+Hauser is glad to provide assistance
in verifying the corrosion resistance of fluid-wetted materials, but does not accept any

Basic safety instructions Proline Promag L 400 PROFIBUS DP
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warranty or liability as minute changes in the temperature, concentration or level of
contamination in the process can alter the corrosion resistance properties.
Residual risks
The external surface temperature of the housing can increase by max. 10 K due to the
power consumption of the electronic components. Hot process fluids passing through the
measuring device will further increase the surface temperature of the housing. The surface
of the sensor, in particular, can reach temperatures which are close to the fluid
temperature.
Possible burn hazard due to fluid temperatures!
‣For elevated fluid temperature, ensure protection against contact to prevent burns.
2.3 Workplace safety
For work on and with the device:
‣Wear the required personal protective equipment according to federal/national
regulations.
For welding work on the piping:
‣Do not ground the welding unit via the measuring device.
If working on and with the device with wet hands:
‣It is recommended to wear gloves on account of the higher risk of electric shock.
2.4 Operational safety
Risk of injury.
‣Operate the device in proper technical condition and fail-safe condition only.
‣The operator is responsible for interference-free operation of the device.
Conversions to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers.
‣If, despite this, modifications are required, consult with Endress+Hauser.
Repair
To ensure continued operational safety and reliability,
‣Carry out repairs on the device only if they are expressly permitted.
‣Observe federal/national regulations pertaining to repair of an electrical device.
‣Use original spare parts and accessories from Endress+Hauser only.
Environmental requirements
If a plastic transmitter housing is permanently exposed to certain steam and air mixtures,
this can damage the housing.
‣If you are unsure, please contact your Endress+Hauser Sales Center for clarification.
‣If used in an approval-related area, observe the information on the nameplate.
2.5 Product safety
This measuring device is designed in accordance with good engineering practice to meet
state-of-the-art safety requirements, has been tested, and left the factory in a condition in
which it is safe to operate.
It meets general safety standards and legal requirements. It also complies with the EC
directives listed in the device-specific EC Declaration of Conformity. Endress+Hauser
confirms this by affixing the CE mark to the device.

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2.6 IT security
We only provide a warranty if the device is installed and used as described in the
Operating Instructions. The device is equipped with security mechanisms to protect it
against any inadvertent changes to the device settings.
IT security measures in line with operators' security standards and designed to provide
additional protection for the device and device data transfer must be implemented by the
operators themselves.

Product description Proline Promag L 400 PROFIBUS DP
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3 Product description
The device consists of a transmitter and a sensor.
Two device versions are available:
• Compact version - the transmitter and sensor form a mechanical unit.
• Remote version – the transmitter and sensor are mounted separately from one another.
3.1 Product design
1
2
3
5
6
8
7
4
A0017218
 1 Important components of the compact version
1 Display module
2 Smart sensor electronics module
3 HistoROM DAT (plug-in memory)
4 Main electronics module
5 Terminals (screw terminals, some available as plug-in terminals)
6 Transmitter housing, compact version
7 Cable glands
8 Sensor, compact version

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4 Incoming acceptance and product
identification
4.1 Incoming acceptance
1
+
2
1
+
2
Are the order codes on the
delivery note (1) and the
product sticker (2)
identical?
Are the goods undamaged?
Do the nameplate data
match the ordering
information on the delivery
note?
Is the CD-ROM with the
Technical Documentation
(depends on device
version) and documents
present?
• If one of the conditions is not satisfied, contact your Endress+Hauser Sales Center.
• Depending on the device version, the CD-ROM might not be part of the delivery!
The Technical Documentation is available via the Internet or via the Endress+Hauser
Operations App, see the "Product identification" section (→  14).
4.2 Product identification
The following options are available for identification of the measuring device:
• Nameplate specifications
• Order code with breakdown of the device features on the delivery note
• Enter serial numbers from nameplates in W@M Device Viewer
(www.endress.com/deviceviewer): All information about the measuring device is
displayed.
• Enter the serial number from the nameplates into the Endress+Hauser Operations App
or scan the 2-D matrix code (QR code) on the nameplate with the Endress+Hauser
Operations App: all the information for the measuring device is displayed.

Incoming acceptance and product identification Proline Promag L 400 PROFIBUS DP
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For an overview of the scope of the associated Technical Documentation, refer to the
following:
• The chapters "Additional standard documentation on the device" (→  8) and
"Supplementary device-dependent documentation" (→  8)
• The W@M Device Viewer: Enter the serial number from the nameplate
(www.endress.com/deviceviewer)
• The Endress+Hauser Operations App: Enter the serial number from the nameplate or
scan the 2-D matrix code (QR code) on the nameplate.
4.2.1 Transmitter nameplate
Order code:
i
Ext. ord. cd.:
Ser. no.:
Patents
i
Date:
1
2
3 4 5 6 7
8
9
10
111213
A0017346
 2 Example of a transmitter nameplate
1 Manufacturing location
2 Name of the transmitter
3 Order code
4 Serial number (Ser. no.)
5 Extended order code (Ext. ord. cd.)
6 Permitted ambient temperature (Ta)
7 Firmware version (FW) and device revision (Dev.Rev.) from the factory
8 Degree of protection
9 Permitted temperature range for cable
10 2-D matrix code
11 Manufacturing date: year-month
12 CE mark, C-Tick
13 Electrical connection data, e.g. available inputs and outputs, supply voltage

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4.2.2 Sensor nameplate
i
Patents
i
Material:
Tm:
Ext. ord. cd.:
Order Code:
Ser.No.:
Date:
21
3
4
5
6 7
8
9
10
11
13 12
14
15
A0017186
 3 Example of sensor nameplate
1 Name of the sensor
2 Manufacturing location
3 Order code
4 Serial number (ser. no.)
5 Extended order code (ext. ord. cd.)
6 Nominal diameter of sensor
7 Test pressure of the sensor
8 Fluid temperature range
9 Material of lining and electrodes
10 Degree of protection: e.g. IP, NEMA
11 Permitted ambient temperature (Ta)
12 2-D matrix code
13 CE mark, C-Tick
14 Flow direction
15 Manufacturing date: year-month
Order code
The measuring device is reordered using the order code.
Extended order code
• The device type (product root) and basic specifications (mandatory features) are
always listed.
• Of the optional specifications (optional features), only the safety and approval-
related specifications are listed (e.g. LA). If other optional specifications are also
ordered, these are indicated collectively using the # placeholder symbol (e.g. #LA#).
• If the ordered optional specifications do not include any safety and approval-related
specifications, they are indicated by the + placeholder symbol (e.g. XXXXXX-ABCDE
+).

Incoming acceptance and product identification Proline Promag L 400 PROFIBUS DP
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4.2.3 Symbols on measuring device
Symbol Meaning
WARNING!
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious
or fatal injury.
Reference to documentation
Refers to the corresponding device documentation.
Protective ground connection
A terminal which must be connected to ground prior to establishing any other connections.

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5 Storage and transport
5.1 Storage conditions
Observe the following notes for storage:
• Store in the original packaging to ensure protection from shock.
• Do not remove protective covers or protective caps installed on process connections.
They prevent mechanical damage to the sealing surfaces and contamination in the
measuring tube.
• Protect from direct sunlight to avoid unacceptably high surface temperatures.
• Select a storage location where moisture cannot collect in the measuring device as
fungus and bacteria infestation can damage the lining.
• Store in a dry and dust-free place.
• Do not store outdoors.
• Storage temperature(→  129)
5.2 Transporting the product
Transport the measuring device to the measuring point in the original packaging.
A0015604
Do not remove protective covers or caps installed on process connections. They
prevent mechanical damage to the sealing surfaces and contamination in the
measuring tube.
5.2.1 Measuring devices without lifting lugs
LWARNING
Center of gravity of the measuring device is higher than the suspension points of the
webbing slings.
Risk of injury if the measuring device slips.
‣Secure the measuring device against slipping or turning.
‣Observe the weight specified on the packaging (stick-on label).
A0015606

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5.2.2 Measuring devices with lifting lugs
LCAUTION
Special transportation instructions for devices with lifting lugs
‣Only use the lifting lugs fitted on the device or flanges to transport the device.
‣The device must always be secured at two lifting lugs at least.
5.2.3 Transporting with a fork lift
If transporting in wood crates, the floor structure enables the crates to be lifted lengthwise
or at both sides using a forklift.
LCAUTION
Risk of damaging the magnetic coil
‣If transporting by forklift, do not lift the sensor by the metal casing.
‣This would buckle the casing and damage the internal magnetic coils.
A0023726
5.3 Packaging disposal
All packaging materials are environmentally friendly and 100% recyclable:
• Measuring device secondary packaging: polymer stretch film that conforms to EC
Directive 2002/95/EC (RoHS).
• Packaging:
– Wood crate, treated in accordance with ISPM 15 standard, which is confirmed by the
affixed IPPC logo.
or
– Carton in accordance with European Packaging Directive 94/62EC; recyclability is
confirmed by the affixed RESY symbol.
• Seaworthy packaging (optional): Wood crate, treated in accordance with ISPM 15
standard, which is confirmed by the affixed IPPC logo.
• Carrying and mounting hardware:
– Disposable plastic pallet
– Plastic straps
– Plastic adhesive strips
• Dunnage: Paper cushion

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6 Installation
6.1 Installation conditions
6.1.1 Mounting position
Mounting location
h
A0023343
Preferably install the sensor in an ascending pipe, and ensure a sufficient distance to the
next pipe elbow: h ≥ 2 × DN
To prevent measuring errors arising from accumulation of gas bubbles in the measuring
tube, avoid the following mounting locations in the pipe:
• Highest point of a pipeline.
• Directly upstream of a free pipe outlet in a down pipe.
Installation in down pipes
Install a siphon with a vent valve downstream of the sensor in down pipes whose length h
≥ 5 m (16.4 ft). This precaution is to avoid low pressure and the consequent risk of
damage to the measuring tube. This measure also prevents the system losing prime.
For information on the liner's resistance to partial vacuum (→  130)
h
2
1
A0017064
 4 Installation in a down pipe
1 Vent valve
2 Pipe siphon
h Length of down pipe
Installation in partially filled pipes
A partially filled pipe with a gradient necessitates a drain-type configuration.

Installation Proline Promag L 400 PROFIBUS DP
20 Endress+Hauser
³5 × DN ³2 × DN
A0017063
Orientation
The direction of the arrow on the sensor nameplate helps you to install the sensor
according to the flow direction (direction of medium flow through the piping).
An optimum orientation position helps avoid gas and air accumulations and deposits in
the measuring tube.
The measuring device also offers the empty pipe detection function to detect partially filled
measuring pipes in the event of outgassing fluids or variable process pressures.
Vertical
A0015591
Optimum for self-emptying pipe systems and for use in conjunction with empty pipe
detection.
Horizontal
1
2
3
2
A0016260
1 EPD electrode for empty pipe detection
2 Measuring electrodes for signal detection
3 Reference electrode for potential equalization
• The measuring electrode plane must be horizontal. This prevents brief insulation of
the two measuring electrodes by entrained air bubbles.
• Empty pipe detection only works if the transmitter housing is pointing upwards as
otherwise there is no guarantee that the empty pipe detection function will actually
respond to a partially filled or empty measuring tube.
Inlet and outlet runs
If possible, install the sensor upstream from fittings such as valves, T-pieces or elbows.
Observe the following inlet and outlet runs to comply with accuracy specifications: