Endress+Hauser Liquiphant FTL51B User manual

Products Solutions Services
Operating Instructions
Liquiphant FTL51B Density
Vibronic
Density measurement for liquids
BA01974F/00/EN/03.23-00
71624355
2023-09-30
Valid as of version
01.00.zz

Liquiphant FTL51B Density
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555

Liquiphant FTL51B Density Table of contents
Endress+Hauser 3
Table of contents
1 About this document ................ 5
1.1 Purpose of this document ................. 5
1.2 Symbols ............................. 5
1.2.1 Safety symbols .................. 5
1.2.2 Electrical symbols ................ 5
1.2.3 Tool symbols .................... 5
1.2.4 Symbols for certain types of
information .................... 5
1.2.5 Symbols in graphics ............... 6
1.3 Documentation ........................ 6
1.3.1 Standard documentation ........... 6
1.3.2 Supplementary device-dependent
documentation .................. 6
2 Basic safety instructions ............ 6
2.1 Requirements for the personnel ............ 6
2.2 Intended use .......................... 7
2.2.1 Incorrect use .................... 7
2.3 Workplace safety ....................... 7
2.4 Operational safety ...................... 7
2.5 Product safety ......................... 8
2.6 IT security ............................ 8
3 Product description ................. 8
3.1 Product design ......................... 9
4 Incoming acceptance and product
identification ....................... 9
4.1 Incoming acceptance .................... 9
4.2 Product identification ................... 10
4.2.1 Nameplate .................... 10
4.2.2 Manufacturer address ............ 10
4.3 Storage and transport .................. 10
4.3.1 Storage conditions ............... 10
5 Mounting ......................... 11
5.1 Mounting requirements ................. 11
5.1.1 Flow velocity - Installation in piping .12
5.1.2 Inlet and outlet runs ............. 12
5.1.3 Correction factor ................ 13
5.1.4 Avoid buildup .................. 16
5.1.5 Take clearance into consideration ... 16
5.1.6 Support the device ............... 16
5.1.7 Weld-in adapter with leakage hole .. 17
5.2 Mounting the device ................... 17
5.2.1 Required tool .................. 17
5.2.2 Installation .................... 18
5.3 Sliding sleeves ....................... 20
5.4 Post-mounting check ................... 20
6 Electrical connection .............. 20
6.1 Required tool ......................... 20
6.2 Connecting requirements ............... 20
6.2.1 Cover with securing screw ......... 20
6.2.2 Connecting protective earth (PE) .... 21
6.3 Connecting the device .................. 21
6.3.1 2-wire density (electronic insert
FEL60D) for density measurement ... 21
6.3.2 Connecting the cables ............ 23
6.3.3 Post-connection check ............ 24
7 Operation options ................. 25
7.1 Overview of operation options ............ 25
7.1.1 Operating concept .............. 25
7.1.2 Elements on the electronic insert .... 25
8 Commissioning .................... 25
8.1 Function check ....................... 25
8.2 Switching on the device ................. 25
9 Operation ......................... 26
9.1 Light signals ......................... 26
10 Diagnostics and troubleshooting ... 26
10.1 Diagnostic information via light emitting
diodes .............................. 26
10.1.1 LED at electronic insert ........... 26
10.2 Firmware history ...................... 27
11 Maintenance ...................... 27
11.1 Maintenance tasks .................... 27
11.1.1 Cleaning ...................... 27
12 Repair ............................ 27
12.1 General notes ........................ 27
12.1.1 Repair concept ................. 27
12.1.2 Repairs to Ex-approved devices ..... 27
12.2 Spare parts .......................... 28
12.3 Return .............................. 28
12.4 Disposal ............................ 28
13 Accessories for Liquiphant Density . 28
13.1 Protective cover for aluminum dual
compartment housing .................. 28
13.2 Protective cover for single compartment
housing, aluminum or 316L .............. 29
13.3 M12 socket .......................... 29
13.4 Weld-in adapter ...................... 30

Table of contents Liquiphant FTL51B Density
4 Endress+Hauser
14 Accessories for Density Computer
FML621 .......................... 30
14.1 General ............................. 30
14.2 Extension cards ....................... 31
14.3 PROFINET® Interface .................. 31
15 Technical data .................... 31
15.1 Input ............................... 31
15.1.1 Measured variable .............. 31
15.1.2 Measuring range ............... 32
15.2 Output ............................. 32
15.2.1 Output and input variants ......... 32
15.2.2 Ex connection data .............. 32
15.3 Environment ......................... 32
15.3.1 Ambient temperature range ....... 32
15.3.2 Storage temperature ............. 32
15.3.3 Operating altitude ............... 32
15.3.4 Climate class .................. 32
15.3.5 Degree of protection ............. 32
15.3.6 Pollution degree ................ 33
15.4 Process ............................. 33
15.4.1 Process temperature range ........ 33
15.4.2 Thermal shock ................. 33
15.4.3 Process pressure range ........... 33
15.4.4 Pressure tightness .............. 33
15.5 Additional technical data ................ 34
Index .................................. 35

Liquiphant FTL51B Density About this document
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1 About this document
1.1 Purpose of this document
These Operating Instructions contain all the information that is required in the 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
1.2.1 Safety symbols
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Electrical symbols
Ground connection
Grounded clamp, which is grounded via a grounding system.
Protective earth (PE)
Ground terminals, which must be grounded prior to establishing any other connections.
The ground terminals are located on the inside and outside of the device.
1.2.3 Tool symbols
Flat-blade screwdriver
Allen key
Open-ended wrench
1.2.4 Symbols for certain types of information
Permitted
Procedures, processes or actions that are permitted.
Forbidden
Procedures, processes or actions that are forbidden.
Tip
Indicates additional information
Reference to documentation
A
Reference to another section

Basic safety instructions Liquiphant FTL51B Density
6 Endress+Hauser
1.
,
2.
,
3.
Series of steps
1.2.5 Symbols in graphics
A, B, C ... View
1, 2, 3 ... Item numbers
-
Hazardous area
.
Safe area (non-hazardous area)
1.3 Documentation
For an overview of the scope of the associated Technical Documentation, refer to the
following:
•Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the
nameplate
•Endress+Hauser Operations app: Enter serial number from nameplate or scan
matrix code on nameplate.
1.3.1 Standard documentation
Document type: Operating Instructions (BA)
Installation and initial commissioning ‒ contains all the functions in the operating menu
that are needed for a normal measuring task. Functions beyond this scope are not
included.
Document type: Brief Operating Instructions (KA)
Quick guide to the first measured value ‒ includes all essential information from incoming
acceptance to electrical connection.
Document type: Safety Instructions, certificates
Depending on the approval, Safety Instructions are also supplied with the device, e.g. XA.
This documentation is an integral part of the Operating Instructions.
The nameplate indicates the Safety Instructions (XA) that are relevant to the device.
1.3.2 Supplementary device-dependent documentation
Operating Instructions
BA00335F: Density Computer FML621
Special Documentation
• SD01622P: Weld-in adapter (installation instructions)
• TI00426F: Weld-in adapters, process adapters and flanges (overview)
2 Basic safety instructions
2.1 Requirements for the personnel
The personnel must fulfill the following requirements to carry out the necessary tasks,
e. g., commissioning and maintenance:
‣Trained, qualified specialists must have a relevant qualification for the specific function
and task
‣Are authorized by the plant owner/operator
‣Are familiar with federal/national regulations

Liquiphant FTL51B Density Basic safety instructions
Endress+Hauser 7
‣Must have read and understood the instructions in the manual and supplementary
documentation
‣Follow instructions and comply with conditions
2.2 Intended use
• Use the device only for measuring the density of liquids.
• Improper use can pose hazards
• Ensure that the device is free of defects while it is in operation
• Use the device only for media to which the wetted materials have an adequate level of
resistance
• Do not exceed or drop below the relevant limit values for the device
A
For more details, see the "Technical data" section
See the Technical Documentation
2.2.1 Incorrect use
The manufacturer is not liable for damage caused by improper or non-intended use.
Residual risks
Due to heat transfer from the process, the temperature of the electronics housing and the
assemblies contained therein may rise to 80 °C (176 °F) during operation.
Danger of burns from contact with surfaces!
‣If necessary, 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.
2.4 Operational safety
Risk of injury!
‣Operate the device only if it is in proper technical condition, free from errors and faults.
‣The operator is responsible for ensuring the interference-free operation of the device.
Modifications 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:
‣Only perform repair work on the device if this is expressly permitted.
‣Observe federal/national regulations pertaining to the repair of an electrical device.
‣Use original spare parts and accessories from Endress+Hauser only.
Hazardous area
To eliminate danger to persons or the facility when the device is used in the hazardous
area (e.g. explosion protection):
‣Check the nameplate to verify whether the ordered device can be used for the intended
purpose in the hazardous area.

Product description Liquiphant FTL51B Density
8 Endress+Hauser
‣Observe the specifications in the separate supplementary documentation that is an
integral part of this manual.
2.5 Product safety
This 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 the general safety standards and legal requirements. It also complies with the EU
directives listed in the device-specific EU Declaration of Conformity. Endress+Hauser
confirms this by affixing the CE mark to the device.
2.6 IT security
We only provide a warranty if the device is installed and used as described in the
Operating Instructions. The device has safety mechanisms integrated to prevent users
from inadvertently changing settings.
Provide additional protection for the device and data transfer to/from the device
‣IT security measures defined in the plant owner/operator's own security policy must be
implemented by plant owners/operators themselves.
3 Product description
Liquiphant FTL51B sensor with electronic insert FEL60D
For measuring the density of liquid media in conjunction with density computer FML621.
Also suitable for use in hazardous areas.

Liquiphant FTL51B Density Incoming acceptance and product identification
Endress+Hauser 9
3.1 Product design
2
34
567
1
A0046337
 1 Product design: Liquiphant FTL51B
1 Housing with electronic insert FEL60D and cover
2 Temperature spacer, pressure-tight feedthrough (second line of defense), optional
3 Process connection with flange (optional)
4 Process connection with thread (optional)
5 Compact probe version with tuning fork
6 Pipe extension probe with tuning fork
7 Short tube version of probe with tuning fork
4 Incoming acceptance and product
identification
4.1 Incoming acceptance
Check the following during incoming acceptance:
 Are the order codes on the delivery note and the product sticker identical?
 Are the goods undamaged?
 Do the data on the nameplate match the ordering information on the delivery note?
 If required (see nameplate): are the Safety Instructions e.g. XA provided?
If one of these conditions is not met, please contact the manufacturer's sales office.

Incoming acceptance and product identification Liquiphant FTL51B Density
10 Endress+Hauser
4.2 Product identification
The following options are available for identification of the device:
• Nameplate specifications
• Extended order code with breakdown of the device features on the delivery note
• Enter serial number from nameplates in W@M Device Viewer
www.endress.com/deviceviewer. All of the information on the measuring device is
displayed along with an overview of the scope of technical documentation provided.
• Enter the serial number on the nameplate into the Endress+Hauser Operations app or
scan the 2-D matrix code on the nameplate with the Endress+Hauser Operations app
4.2.1 Nameplate
The information that is required by law and is relevant to the device is shown on the
nameplate, e.g.:
• Manufacturer identification
• Order number, extended order code, serial number
• Technical data, degree of protection
• Firmware version, hardware version
• Approval-related information, reference to Safety Instructions (XA)
• DataMatrix code (information about the device)
4.2.2 Manufacturer address
Endress+Hauser SE+Co. KG
Hauptstraße 1
79689 Maulburg, Germany
Place of manufacture: See nameplate.
4.3 Storage and transport
4.3.1 Storage conditions
Use original packaging.
Storage temperature
–40 to +80 °C (–40 to +176 °F)
Transporting the device
• Transport the device to the measuring point in the original packaging
• Hold the device by the housing, temperature spacer, process connection or extension
pipe
• Do not bend, shorten or extend the tuning fork
A0034846
 2 Handling the device during transport