Endress+Hauser Liquiphant FTL51B Firmware-Update

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Safety Instructions

Liquiphant FTL51B

4-20 mA HART

II 1/2 G Ex ia IIC T6...T1 Ga/Gb

II 2 G Ex ia IIC T6...T1 Gb

II 1/2 D Ex ia IIIC T200xxx°C Da / Ex ia IIIC TLxxx°C Db

II 2 D Ex ia IIIC TLxxx°C Db

XA03005F-A/00/EN/01.23-00

71588156

2023-01-23

Liquiphant FTL51B XA03005F-A

Endress+Hauser 3

Liquiphant FTL51B

4-20 mA HART

Table of contents

Associated documentation ......................................... 4

Supplementary documentation ..................................... 4

General notes: Combined approval ................................. 4

Manufacturer's certificates ......................................... 4

Manufacturer address ............................................. 5

Other standards ................................................... 5

Extended order code ............................................... 5

Safety instructions: General ........................................ 8

Safety instructions: Special conditions .............................. 8

Safety instructions: Installation .................................... 9

Safety instructions: Zone 0 ........................................ 12

Safety instructions: Zone separation Zone 0, Zone 1 ................ 12

Temperature tables .............................................. 12

Connection data ................................................. 15

XA03005F-A Liquiphant FTL51B

4 Endress+Hauser

Associated

documentation

This document is an integral part of the following Operating

Instructions:

BA02213F

Supplementary

documentation

Explosion protection brochure: CP00021Z

The Explosion-protection brochure is available:

• In the download area of the Endress+Hauser website:

www.endress.com -> Downloads -> Brochures and Catalogs ->

Text Search: CP00021Z

• On the CD for devices with CD-based documentation

General notes:

Combined approval

Ex ia IIC Ex ia IIIC Ex ia IIC Ex ia IIIC Ex ia IIIC Ex ia IIC

Zone 0

Zone 1

Zone 1 Zone 20

Zone 21

Zone 21 Zone 0

Zone 1

Zone 21 Zone 20

Zone 21

Zone 1

The device is designed for operation in explosive gas or explosive dust

atmosphere as shown in the sketch above. In the event of potentially

explosive gas-air and dust-air mixtures occurring simultaneously:

Suitability requires further assessment.

A sequential change between gas and dust explosion protection is

only possible if:

• A period with non-explosive atmosphere is realized during the

transition or

• Special examinations are done which are not covered by the

certificate

Manufacturer's

certificates

UK Declaration of Conformity

Declaration Number:

UK_00529

The UK Declaration of Conformity is available:

In the download area of the Endress+Hauser website:

www.endress.com -> Downloads -> Declaration ->

Type: UKCA Declaration -> Product Code: ...

Liquiphant FTL51B XA03005F-A

Endress+Hauser 5

UKCA type-examination certificate

Certificate number:

CML 22UKEX1611X

List of applied standards: See UK Declaration of Conformity.

Manufacturer

address

Endress+Hauser SE+Co. KG

Hauptstraße 1

79689 Maulburg, Germany

Address of the manufacturing plant: See nameplate.

Other standards Among other things, the following standards shall be observed in their

current version for proper installation:

• IEC/EN 60079-14: "Explosive atmospheres - Part 14: Electrical

installations design, selection and erection"

• EN 1127-1: "Explosive atmospheres - Explosion prevention and

protection - Part 1: Basic concepts and methodology"

Extended

order code

The extended order code is indicated on the nameplate, which is affixed

to the device in such a way that it is clearly visible. Additional

information about the nameplate is provided in the associated

Operating Instructions.

Structure of the extended order code

FTL51B – ************* + A*B*C*D*E*F*G*..

(Device

type)

(Basic

specifications)

(Optional

specifications)

* = Placeholder

At this position, an option (number or letter) selected from the

specification is displayed instead of the placeholders.

Basic specifications

The features that are absolutely essential for the device (mandatory

features) are specified in the basic specifications. The number of

positions depends on the number of features available.

The selected option of a feature can consist of several positions.

XA03005F-A Liquiphant FTL51B

6 Endress+Hauser

Optional specifications

The optional specifications describe additional features for the device

(optional features). The number of positions depends on the number of

features available. The features have a 2-digit structure to aid

identification (e.g. JA). The first digit (ID) stands for the feature group

and consists of a number or a letter (e.g. J = Test, Certificate). The

second digit constitutes the value that stands for the feature within the

group (e.g. A = 3.1 material (wetted parts), inspection certificate).

More detailed information about the device is provided in the following

tables. These tables describe the individual positions and IDs in the

extended order code which are relevant to hazardous locations.

Extended order code: Liquiphant

The following specifications reproduce an extract from the product

structure and are used to assign:

• This documentation to the device (using the extended order

code on the nameplate).

• The device options cited in the document.

Device type

FTL51B

Basic specifications

Position 1, 2 (Approval)

Selected option Description

FTL51B UK UK Ex II 1/2 G Ex ia IIC T6...T1 Ga/Gb

UK Ex II 2 G Ex ia IIC T6...T1 Gb

UK Ex II 1/2 D Ex ia IIIC T200xxx°C Da / Ex ia IIIC TLxxx°C Db

UK Ex II 2 D Ex ia IIIC TLxxx°C Db

Position 3, 4 (Output)

Selected option Description

FTL51B BA FEL60H, 2-wire 4...20 mA HART+test button

Position 5 (Display, Operation)

Selected option Description

FTL51B A W/o; switch

E Graphic display with touch control

F Graphic display with touch control+Bluetooth

Liquiphant FTL51B XA03005F-A

Endress+Hauser 7

Position 6 (Housing, Material)

Selected option Description

FTL51B B Single compartment; Alu, coated

M Dual compartment L-shape; Alu, coated

N Dual compartment L-shape; 316L

Position 7 (Electrical Connection)

Selected option Description

FTL51B B Gland M20, brass nickel plated, IP66/68 NEMA Type 4X/6P

C Gland M20, 316L, IP66/68 NEMA Type 4X/6P

F Thread M20, IP66/68 NEMA Type 4X/6P

G Thread G1/2, IP66/68 NEMA Type 4X/6P

H Thread NPT1/2, IP66/68 NEMA Type 4X/6P

Optional specifications

ID Jx, Kx (Test, Certificate, Declaration)

Selected option Description

FTL51B JL Ambient temperature -50°C/-58°F

JN Ambient temperature -52°C/-62°F

ID Mx (Sensor Design)

Selected option Description

FTL51B MR Temperature separator

MS Pressure tight feed through (Second line of defence)

ID Nx, Ox (Accessory Mounted)

Selected option Description

FTL51B NA 1) Overvoltage protection

1) Only in connection with Position 6 = M, N

XA03005F-A Liquiphant FTL51B

8 Endress+Hauser

ID Px, Rx (Accessory Enclosed)

Selected option Description

FTL51B PA 1) Weather protection cover, 316L

PB 2) Weather protection cover, plastic

1) Only in connection with Position 6 = M, N

2) Only in connection with Position 6 = B

Safety

instructions:

General

• The device is intended to be used in explosive atmospheres as defined

in the scope of EN IEC 60079-0 or equivalent national standards. If

no potentially explosive atmospheres are present or if additional

protective measures have been taken: The device may be operated

according to the manufacturer's specifications.

• Devices suitable for zone separation (marked Ga/Gb or Da/Db) are

always suitable for installation in the less critical zone (Gb or Db).

Due to space limitations the corresponding marking maybe not

indicated on the nameplate.

• Staff must meet the following conditions for mounting, electrical

installation, commissioning and maintenance of the device:

• Be suitably qualified for their role and the tasks they perform

• Be trained in explosion protection

• Be familiar with national regulations

• Comply with the installation and safety instructions in the Operating

Instructions.

• Install the device according to the manufacturer's instructions and

national regulations.

• Do not operate the device outside the specified electrical, thermal and

mechanical parameters.

• Only use the device in media to which the wetted materials have

sufficient durability.

• Avoid electrostatic charging:

• Of plastic surfaces (e.g. enclosure, sensor element, special

varnishing, attached additional plates, ..)

• Of isolated capacities (e.g. isolated metallic plates)

• Refer to the temperature tables for the relationship between the

permitted ambient temperature for the sensor and/or transmitter,

depending on the range of application and the temperature class.

• Alterations to the device can affect the explosion protection and must

be carried out by staff authorized to perform such work by

Endress+Hauser.

Safety

instructions:

Special conditions

Permitted ambient temperature range at the electronics enclosure:

–40 °C ≤ Ta ≤ +70 °C

Liquiphant FTL51B XA03005F-A

Endress+Hauser 9

• Limitations of the maximum ambient temperature at the electronics

enclosure may be required dependent on device configuration,

process temperatures and temperature classification.

• Details of limitations: →  12, "Temperature tables".

• To avoid electrostatic charging: Do not rub surfaces with a dry cloth.

• In the event of additional or alternative special varnishing on the

enclosure or other metal parts or for adhesive plates:

• Observe the danger of electrostatic charging and discharge.

• Do not install in the vicinity of processes (≤ 0.5 m) generating

strong electrostatic charges.

• Avoid sparks caused by impact and friction.

Optional specification, ID Px, Rx = PA

Connect the weather protection cover to the local potential

equalization.

Optional specification, ID Px, Rx = PB

Avoid electrostatic charging of the weather protection cover (e.g.

friction, cleaning, maintenance, strong medium flow).

Safety

instructions:

Installation

A0025536

 1

A Zone 1, Zone 21

1 Tank; Zone 0, Zone 1, Zone 20, Zone 21

2 Electronic insert

3 Enclosure

4 Associated intrinsically safe power supply units

5 Potential equalization line

6 Local potential equalization

XA03005F-A Liquiphant FTL51B

10 Endress+Hauser

• After aligning (rotating) the enclosure, retighten the fixing screw.

• Connect the device using suitable cable and wire entries of protection

type "Intrinsic safety (Ex i)". An ingress protection of at least IP54

must be achieved.

• When the device is connected to certified intrinsically safe circuits of

Category Ex ib for Equipment Groups IIC and IIB, the type of

protection changes to Ex ib IIC and Ex ib IIB. Do not operate the

sensor in Zone 0 if connecting to an intrinsically safe circuit of

Category Ex ib.

• When the device is connected to certified intrinsically safe circuits of

Category Ex ib for Equipment Groups IIIC and IIIB, the type of

protection changes to Ex ib IIIC and Ex ib IIIB. Do not operate the

sensor in Zone 20 if connecting to an intrinsically safe circuit of

Category Ex ib.

• Continuous service temperature of the connecting cable: ≥ Ta+20 K.

• Perform the following to achieve the degree of protection IP66/67:

• Screw the cover tight.

• Mount the cable entry correctly.

• Seal unused entry glands with approved sealing plugs that correspond

to the type of protection.

• Observe the pertinent guidelines when interconnecting intrinsically

safe circuits.

• Observe the maximum process conditions according to the

manufacturer's Operating Instructions.

• At high medium temperatures, note flange pressure load capacity as

a factor of temperature.

• Install the device to exclude any mechanical damage or friction

during the application. Pay particular attention to flow conditions and

tank fittings.

• Support extension tube of the device if a dynamic load is expected.

• Only use genuine spare parts from Endress+Hauser which are

specified for the device.

Device group III, Application in dust

• To ensure the ingress protection IP66/67: Only use the unit-mounted

cable entries, sealing plugs and O-rings.

• Supplied cable glands and metallic sealing plugs comply with the

requirements of type of protection marked on the nameplate.

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