Endress+Hauser FTL51B Operating Manual

BA01894F/00/EN/02.19 71440978 2019-06-28

Valid as of version

01.00.zz

Products Solutions Services

Operating Instructions

Liquiphant FTL51B

Vibronic Limit switch for liquids

Liquiphant FTL51B

Order code:

Ext. ord. cd.:

Ser. no.:

www.endress.com/deviceviewer

Endress+Hauser Operations App

XXXXXXXXXXXX

XXXXX-XXXXXX

XXX.XXXX.XX

Serial number

A0023555

2 Endress+Hauser

Liquiphant FTL51B Table of contents

1 About this document ................ 5

1.1 Symbols ............................. 5

1.1.1 Safety symbols .................. 5

1.1.2 Electrical symbols ................ 5

1.1.3 Symbols for certain types of

information .................... 5

1.1.4 Symbols in graphics ............... 5

2 Basic safety instructions ............ 6

2.1 Requirements for the personnel ............ 6

2.2 Designated use ........................ 6

2.2.1 Incorrect use .................... 6

2.3 Workplace safety ....................... 6

2.4 Operational safety ...................... 6

2.5 Product safety ......................... 7

2.6 IT security ............................ 7

3 Product description ................. 7

3.1 Product design ........................ 8

4 Incoming acceptance and product

identification ....................... 9

4.1 Incoming acceptance .................... 9

4.2 Product identification .................... 9

4.2.1 Nameplate ..................... 9

4.2.2 Manufacturer address ............. 9

4.3 Storage and transport .................. 10

4.3.1 Storage conditions ............... 10

4.3.2 Transporting the device ........... 10

6.2 Connecting the measuring device .......... 17

6.2.1 2-wire AC (electronic insert

FEL61) ....................... 17

6.2.2 3-wire DC-PNP (electronic insert

FEL62) ....................... 19

6.2.3 Universal current connection with relay output (electronic insert

FEL64) ....................... 21

6.2.4 DC connection, relay output

(electronic insert FEL64 DC) ....... 23

6.2.5 PFM output (electronic insert

FEL67) ....................... 25

6.2.6 2-wire NAMUR > 2.2 mA/< 1.0 mA

(electronic insert FEL68) .......... 27

6.2.7 Bluetooth module VU121

(optional) ..................... 29

6.2.8 LED module VU120 (optional) ...... 30

6.2.9 Cable entry .................... 30

6.3 Post-connection check .................. 31

7 Operation options ................. 32

7.1 Overview of operation options ............ 32

7.1.1 Operating concept .............. 32

7.1.2 Functional test using the button on

the electronic insert .............. 32

7.1.3 Functional test of the electronic

switch with a test magnet ......... 35

7.1.4 Heartbeat diagnostics and verification with Bluetooth® wireless

technology .................... 36

7.2 LED module VU120 (optional) ............ 37

7.2.1 Configuration and sensor status ..... 37

5 Installation ....................... 11

5.1 Mounting conditions ................... 11

5.1.1 Taking the switch point into

consideration .................. 11

5.1.2 Take viscosity into consideration .... 12

5.1.3 Avoiding buildup ................ 13

5.1.4 Take clearance into consideration ... 13

5.1.5 Support the device ............... 14

5.1.6 Weld-in adapter with leakage hole .. 14

5.2 Mounting the measuring device ........... 14

5.2.1 Required tools .................. 14

5.2.2 Installation .................... 15

5.3 Sliding sleeves ....................... 16

5.4 Post-installation check .................. 16

6 Electrical connection .............. 17

6.1 Connection conditions .................. 17

6.1.1 Cover with securing screw ......... 17

6.1.2 Connecting protective earth (PE) .... 17

Endress+Hauser 3

8 Commissioning .................... 37

8.1 Function check ....................... 37

8.2 Switching on the measuring device ......... 38

8.3 Establishing a connection via SmartBlue

(app) .............................. 38

8.3.1 SmartBlue (app) ................ 38

9 Operation ......................... 40

9.1 Diagnostics menu ..................... 40

9.1.1 "Diagnostics" menu ............... 40

9.1.2 "Application" menu .............. 40

9.1.3 "System" menu .................. 41

9.2 Heartbeat Verification .................. 42

9.3 Recurrent testing for SIL/WHG (German

Water Resources Act) devices ............. 42

10 Diagnostics and troubleshooting ... 42

10.1 Diagnostic information via light emitting

diodes .............................. 43

10.1.1 LED at electronic insert ........... 43

Table of contents Liquiphant FTL51B

10.1.2 SmartBlue ..................... 43

11 Maintenance ...................... 44

11.1 Maintenance tasks .................... 44

11.1.1 Cleaning ...................... 44

12 Repair ............................ 45

12.1 General information ................... 45

12.1.1 Repair concept ................. 45

12.1.2 Repair of Ex-certified devices ....... 45

12.2 Spare parts .......................... 45

12.3 Return .............................. 45

12.4 Disposal ............................ 46

13 Accessories ....................... 47

13.1 Device-specific accessories ............... 47

13.1.1 Test magnet ................... 47

13.1.2 Weather protection cover for dualcompartment housing, aluminum ... 47

13.1.3 Weather protection cover for single-

compartment housing, metal ....... 47

13.1.4 Plug-in jack .................... 48

13.1.5 Additional modules .............. 48

13.1.6 Sliding sleeves for unpressurized

operation ..................... 49

13.1.7 High pressure sliding sleeves ....... 50

14 Technical data .................... 52

14.1 Input ............................... 52

14.1.1 Measured variable .............. 52

14.1.2 Measuring range ............... 52

14.2 Output ............................. 52

14.2.1 Output and input variants ......... 52

14.2.2 Output signal .................. 53

14.2.3 Ex connection data .............. 53

14.3 Environment ......................... 53

14.3.1 Ambient temperature range ....... 53

14.3.2 Storage temperature ............. 54

14.3.3 Humidity ..................... 54

14.3.4 Operating altitude ............... 55

14.3.5 Climate class .................. 55

14.3.6 Degree of protection ............. 55

14.3.7 Vibration resistance ............. 55

14.3.8 Shock resistance ................ 55

14.3.9 Mechanical load ................ 56

14.3.10 Electromagnetic compatibility ...... 56

14.4 Process ............................. 56

14.4.1 Process temperature range ........ 56

14.4.2 Thermal shock ................. 56

14.4.3 Process pressure range ........... 56

14.4.4 Test pressure .................. 57

14.4.5 Density ...................... 57

14.4.6 Pressure tightness .............. 58

14.5 Additional technical data ................ 58

Index .................................. 59

4 Endress+Hauser

Liquiphant FTL51B About this document

DANGER

WARNING

CAUTION

NOTICE

1 About this document

1.1 Symbols

1.1.1 Safety symbols

This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in serious or fatal injury.

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in serious or fatal injury.

This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in minor or medium injury.

This symbol contains information on procedures and other facts which do not result in personal injury.

1.1.2 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.

1.1.3 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

Reference to another section

, 2., 3. Series of steps

1.1.4 Symbols in graphics

A, B, C ... View

1, 2, 3 ... Item numbers

Hazardous area

Safe area (non-hazardous area)

Endress+Hauser 5

Basic safety instructions Liquiphant FTL51B

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

‣

Must have read and understood the instructions in the manual and supplementary

‣

documentation Follow instructions and comply with conditions

‣

2.2 Designated use

• Only use the measuring device as a limit switch for liquids

• Improper use can pose hazards

• Ensure that the measuring device is free of defects while it is in operation

• Use the measuring device only for media to which the process-wetted materials have an adequate level of resistance

• Do not exceed or drop below the limit values for the measuring device  TI01403F/00/EN

2.2.1 Incorrect use

The manufacturer is not liable for damage caused by improper or non-designated 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.

‣

For requirements concerning functional safety in accordance with IEC 61508, the associated SIL documentation must be observed.

2.3 Workplace safety

For work on and with the device:

Wear the required 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 failure-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.

‣

6 Endress+Hauser

Liquiphant FTL51B Product description

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.

‣

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.

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

Point level switch for minimum or maximum detection.

Endress+Hauser 7

Product description Liquiphant FTL51B

Contains

FCC ID:

IC:

3.1 Product design

A0036953

 1 Product design

1 Housing with electronic insert and cover, optional Bluetooth module or LED module 2 Optional spacer (temperature spacer or pressure-tight feedthrough (second line of defense)) 3 Compact probe design 4 Probe design with pipe extension 5 Probe design with short pipe

Identify the electronic insert via the order code on the nameplate.

Optional: Bluetooth module VU121 or LED module VU120

A0039257

 2 Bluetooth module

 3 LED module

8 Endress+Hauser

A0039258

Liquiphant FTL51B Incoming acceptance and product identification

Order code: Ser. no.: Ext. ord. cd.:

FW:

Dev.Rev.:

Pmax:

0.83 W PNP

4 Incoming acceptance and product

identification

4.1 Incoming acceptance

Check the following during goods acceptance:

 Are the order codes on the delivery note and the product sticker identical?

 Are the goods undamaged?

 Do the nameplate data match the ordering information on the delivery note?

 If required (see nameplate): Are the Safety Instructions, e. g. XA, provided?

 Is the device properly secured?

If one of these conditions is not met, please contact the manufacturer's sales office.

4.2 Product identification

The measuring device can be identified in the following ways:

• Nameplate data

• 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 use the Endress+Hauser Operations App to scan the 2-D matrix code (QR Code) on the nameplate

4.2.1 Nameplate

 4 Nameplate specifications

1 Manufacturer name and device name 2 Manufacturer address 3 Order number, external order code, serial number 4 Technical data 5 Approval-specific information

4.2.2 Manufacturer address

Endress+Hauser SE+Co. KG Hauptstraße 1 79689 Maulburg, Germany

Address of the manufacturing plant: See nameplate.

A0038187

Endress+Hauser 9

Incoming acceptance and product identification Liquiphant FTL51B

4.3 Storage and transport

4.3.1 Storage conditions

Use original packaging.

Storage temperature

–40 to +80 °C (–40 to +176 °F) optional: –52 °C (–62 °F), –60 °C (–76 °F)

4.3.2 Transporting the device

• Transport the device to the measuring point in the original packaging

• Hold the device by the housing, temperature spacer, flange or extension pipe

• Do not bend, shorten or extend the tuning fork

 5 Handling the device during transportation

A0034846

10 Endress+Hauser

Liquiphant FTL51B Installation

~13 (0.5)

~4 (0.16)

~12.5 (0.49)

A B C

5 Installation

WARNING

Loss of protection rating if the device is opened in a wet environment.

Only open the device in a dry environment!

‣

A0037879

 6 Installation in any position in a vessel, pipe or tank

1 Temperature spacer for tank with insulation and/or high process temperatures

5.1 Mounting conditions

5.1.1 Taking the switch point into consideration

Typical switch points, depending on the orientation of the point level switch

(water +23 °C (+73 °F))

A0037915

 7 Typical switch points. Unit of measurement mm (in)

A Installation from above B Installation from below C Installation from the side D Switch point

Endress+Hauser 11

Installation Liquiphant FTL51B

> 25 (0.98)

> 40 (1.57)

5.1.2 Take viscosity into consideration

Low viscosity

A0033297

 8 Installation example for low-viscosity liquids. Unit of measurement mm (in)

D Diameter of installation socket: at least 50 mm (2.0 in)

Low viscosity, e. g. water: < 2 000 mPa⋅s

It is permitted to position the tuning fork within the installation socket.

High viscosity

 9 Installation example for a highly viscous liquid. Unit of measurement mm (in)

NOTICE

Highly viscous liquids may cause switching delays.

Make sure that the liquid can run off the tuning fork easily.

‣

Deburr the socket surface.

‣

High viscosity, e. g. viscous oils: < 10 000 mPa⋅s

The tuning fork must be located outside the installation socket!

A0037348

12 Endress+Hauser

Liquiphant FTL51B Installation

5.1.3 Avoiding buildup

A0033239

 10 Installation examples for a highly viscous process medium

• Use short installation sockets to ensure that the turning fork can project freely into the vessel.

• Install preferably flush-mounted on vessels or in pipes.

• Leave sufficient distance between the buildup expected on the tank wall and the tuning fork.

5.1.4 Take clearance into consideration

A0033236

 11 Take clearance into consideration

Allow sufficient space outside the tank for mounting, connection and settings involving the electronic insert.

Endress+Hauser 13

Installation Liquiphant FTL51B

316L

5.1.5 Support the device

A0031874

 12 Support in the event of dynamic load

Support the device in the event of severe dynamic load. Maximum lateral loading capacity of the pipe extensions and sensors: 75 Nm (55 lbf ft).

5.1.6 Weld-in adapter with leakage hole

A0039230

 13 Weld-in adapter with leakage hole

Weld in the welding neck in such a way that the leakage hole is pointing downwards. This enables any leaks to be detected quickly.

5.2 Mounting the measuring device

5.2.1 Required tools

• Open-ended wrench for sensor installation

• Screwdriver for electrical connection

14 Endress+Hauser

Liquiphant FTL51B Installation

316L/G1

5.2.2 Installation

Horizontal installation in vessels

Align the tuning fork with the marking

A0039125

 14 Marking to align the tuning fork

Use the marking to align the tuning fork in such a way that medium can run off easily and deposit buildup is avoided.

The following can be used as the marking:

• Material specification, thread description or circle on the hexagonal nut or on the weldin adapter

• The II symbol on the back of the flange or Tri-Clamp

Installing in pipes

 15 Marking and fork position

• Flow velocity up to 5 m/s with viscosity 1 mm2/s (cSt) and density 1 g/cm3 (SGU) Check for correct functioning in the event of other process medium conditions

• The marking on the adapter points in the flow direction; the flow is thus not severely obstructed

• The marking can be identified while the device is installed

Screwing in the device

A0034851

A0034852

 16 Screwing in the device

• Turn by the hex bolt only, 15 to 30 Nm (11 to 22 lbf ft)

• Do not turn at the housing!

Endress+Hauser 15

Installation Liquiphant FTL51B

0.7 Nm

Aligning the cable entry

A0037347

 17 Housing with external locking screw

The locking screw is not tightened when the device is delivered.

1. Release the external locking screw.

2. Turn the housing, align the cable entry.

3. Tighten the external locking screw.

5.3 Sliding sleeves

 See the "Accessories" section.

5.4 Post-installation check

 Is the measuring device undamaged (visual inspection)?

 Does the measuring device conform to the measuring point specifications?

For example:

• Process temperature

• Process pressure

• Ambient temperature range

• Measuring range

 Are the measuring point number and labeling correct (visual inspection)?

Is the measuring device adequately protected against precipitation and direct sunlight?

 Is the device properly secured?

16 Endress+Hauser

Liquiphant FTL51B Electrical connection

6 Electrical connection

6.1 Connection conditions

6.1.1 Cover with securing screw

Covers with a securing screw are available for devices for use in hazardous areas. Do not release the screw fully.

A0039520

 18 Cover with securing screw

6.1.2 Connecting protective earth (PE)

The protective earth conductor at the device must only be connected if the device's operating voltage is ≥ 35 VDC or ≥ 16 VACeff.

When the device is used in hazardous areas, it must always be included in the potential equalization of the system, irrespective of the operating voltage.

The plastic housing is available with or without an external protective earth connection (PE).

6.2 Connecting the measuring device

6.2.1 2-wire AC (electronic insert FEL61)

• Two-wire AC version

• Switches the load directly into the power supply circuit via an electronic switch; always connect in series with a load.

• Functional testing without level change A functional test can be performed on the device using the test button on the electronic insert.

Supply voltage

U = 19 to 253 V

Residual voltage when switched through: maximum 12 V

Pay attention to the following as per IEC/EN61010-1: Provide a suitable circuit breaker for the device, and limit the current to 1 A, e. g. by installing a 1 A fuse (slowblow) in the line (not the neutral wire) of the supply circuit.

Power consumption

P ≤ 2 VA

Endress+Hauser 17

Electrical connection Liquiphant FTL51B

>0,5

COM

NL1

MIN

MAX

>0,7

U 19...253 V AC I max: 350 mA

1 A

L1 NPE

1 2

Current consumption

Residual current when blocked: I ≤ 3.8 mA

The red LED flashes in the event of an overload or short-circuit. Check for an overload or short-circuit every 5 seconds. The test is deactivated after 60 seconds.

Power output and load current

• Max 89 VA/253 V (350 mA); max 8.4 VA/24 V (350 mA)

• Min 2.5 VA/253 V (10 mA); min ≥ 0.5 VA/24 V (20 mA)

• With overload and short-circuit protection.

Behavior of output signal

• OK status: load on (switched through)

• Demand mode: load off (blocked)

• Alarm: load off (blocked)

Terminal assignment

Always connect an external load. The electronic insert has integrated short-circuit protection.

A0036060

 19 2-wire AC, electronic insert FEL61

18 Endress+Hauser

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