Endress+Hauser L20221 Technische Daten

Brief Operating Instructions

L20221, L20222

Temperature transmitter

L20221 with 4-20 mA analog output

L20222 with HART® communication

These Brief Operating Instructions are not a substitute for the

Operating Instructions pertaining to the device.

Detailed information can be found in the Operating

Instructions and the additional documentation.

KA01630O/09/EN/01.22-00

71599728

2022-11-15

Table of contents L20221, L20222

Table of contents

1 About this document .............................................................. 2

1.1 Document function ..................................................................... 2

1.2 Safety instructions ..................................................................... 3

1.3 Symbols used ......................................................................... 3

1.4 Tool symbols ..........................................................................4

1.5 Registered trademarks .................................................................. 4

2 Basic safety instructions .......................................................... 5

2.1 Requirements for the personnel ............................................................ 5

2.2 Intended use .......................................................................... 5

2.3 Operational safety ......................................................................5

3 Incoming acceptance and product identification ................................... 6

3.1 Incoming acceptance .................................................................... 6

3.2 Nameplate ........................................................................... 6

3.3 Name and address of manufacturer ......................................................... 7

3.4 Scope of delivery ....................................................................... 7

3.5 Certificates and approvals ................................................................ 7

3.6 Storage and transport ................................................................... 8

4 Mounting ......................................................................... 9

4.1 Mounting requirements ................................................................. 9

4.2 Mounting the device ................................................................... 11

4.3 Post-installation check ................................................................. 15

5 Electrical connection ............................................................ 15

5.1 Connecting requirements ............................................................... 16

5.2 Quick wiring guide .................................................................... 17

5.3 Connecting the sensor cables ............................................................. 18

5.4 Connecting the transmitter .............................................................. 19

5.5 Special connection instructions ........................................................... 21

5.6 Post-connection check ..................................................................22

6 Operation options ............................................................... 23

6.1 Overview of operation options ............................................................ 23

6.2 Transmitter configuration ............................................................... 27

6.3 Access to the operating menu via the Wireless Field Device Configurator App ......................... 27

7 Commissioning .................................................................. 28

7.1 Post-installation check ................................................................. 28

7.2 Switching on the transmitter ............................................................. 28

1 About this document

1.1 Document function

The Brief Operating Instructions contain all the essential information from incoming

acceptance to initial commissioning.

L20221, L20222 About this document

1.2 Safety instructions

When using in hazardous areas, compliance with national regulations is mandatory. Separate

Ex-specific documentation is provided for measuring systems that are used in hazardous

areas. This documentation is an integral part of these Operating Instructions. The installation

specifications, connection data and safety instructions it contains must be strictly observed!

Make sure that you use the right Ex-specific documentation for the right device with approval

for use in hazardous areas!

1.3 Symbols used

1.3.1 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.

1.3.2 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.

Symbol Meaning

Potential equalization connection (PE: protective earth)

Ground terminals that must be connected to ground prior to establishing any other connections.

The ground terminals are located on the interior and exterior of the device:

• Interior ground terminal: potential equalization is connected to the supply network.

• Exterior ground terminal: device is connected to the plant grounding system.

About this document L20221, L20222

1.3.3 Symbols for certain types of information

Symbol Meaning 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 step Visual inspection

1.3.4 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)

1.4 Tool symbols

Symbol Meaning

A0011219

Phillips head screwdriver

1.5 Registered trademarks

Bluetooth®

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc.

and any use of such marks is under license. Other trademarks and trade names are those of

their respective owners.

HART®

Registered trademark of the FieldComm Group, Austin, Texas, USA

L20221, L20222 Basic safety instructions

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

‣They must have read and understood the instructions in the manual, supplementary

documentation and certificates (depending on the application) prior to starting work

‣Follow instructions and comply with basic conditions

The operating personnel must fulfill the following requirements:

‣Must be suitably trained and authorized by the plant operator to meet the requirements of

the task

‣Follow the instructions in this manual

2.2 Intended use

The device is a universal and user-configurable temperature transmitter with one sensor input

for resistance thermometers (RTD), thermocouples (TC), resistance and voltage transmitters.

The head transmitter version of the device is intended for mounting in a terminal head (flat

face) as per DIN EN 50446. It is also possible to mount the device on a DIN rail using the

optional DIN rail clip. The device is also optionally available in a version suitable for DIN rail

mounting as per IEC 60715 (TH35).

If the device is used in a manner not specified by the manufacturer, the protection provided by

the device may be impaired.

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

2.3 Operational safety

‣Operate the device only if it is in proper technical condition, free from errors and faults.

‣The operator is responsible for the interference-free operation of the device.

Hazardous area

To eliminate a danger for persons or for the facility when the device is used in the hazardous

area (e.g. explosion protection or safety equipment):

‣Based on the technical data on the nameplate, check whether the ordered device is

permitted for the intended use in the hazardous area. The nameplate can be found on the

side of the transmitter housing.

‣Observe the specifications in the separate supplementary documentation that is an integral

part of these instructions.

Electromagnetic compatibility

The measuring system complies with the general safety requirements as per EN 61010-1, the

EMC requirements as per the IEC/EN 61326 series and the NAMUR recommendations NE 21.

Incoming acceptance and product identification L20221, L20222

NOTICE

‣The device must only be powered by a power unit that operates using an energy-limited

electric circuit according to UL/EN/IEC 61010-1, Section 9.4 and the requirements in Table

18.

3 Incoming acceptance and product identification

3.1 Incoming acceptance

1. Unpack the temperature transmitter carefully. Is the packaging or content free from

damage?

 Damaged components must not be installed as the manufacturer can otherwise not

guarantee compliance with the original safety requirements or the material

resistance, and can therefore not be held responsible for any resulting damage.

2. Is the delivery complete or is anything missing? Check the scope of delivery against your

order.

3. Does the nameplate match the ordering information on the delivery note?

4. Are the technical documentation and all other necessary documents provided? If

applicable: are the Safety Instructions (e.g. XA) for hazardous areas provided?

3.2 Nameplate

The right device?

Compare and check the data on the nameplate of the device against the requirements of the

measuring point:

11-42V 012345678910

xx.yy.zz

Made in Germany 202x, Endress+Hauser Wetzer D-47484 Nesselwang

Ser.no.:

FW:

Input:

Dev.Rev: x

Ext. ord. cd.:

XXXXXXXXXXXXX#

Universal Temperature

Transmitter HART

A0051223

 1 Nameplate of the head transmitter (example)

1 Power supply, current consumption, serial number, device revision and hardware version

2 Radio approval (Bluetooth) and serial number

3 Approvals with symbols

4 Approval data and order code

5 Device name

6 Characters for tag name (TAG)

L20221, L20222 Incoming acceptance and product identification

Universal Temperature

Transmitter HART

Made in Germany 202x, Endress+Hauser Wetzer D-47484 Nesselwang

A0051224

 2 Nameplate of DIN rail transmitter (example)

1 Device name

2 Characters for tag name (TAG)

3 Approval data

4 Power supply and current consumption, output

5 Radio approval (Bluetooth)

6 Approvals with symbols

7 Serial number, device revision, order code

3.3 Name and address of manufacturer

Name of manufacturer: Endress+Hauser Wetzer GmbH + Co. KG

Address of manufacturer: Obere Wank 1, D-87484 Nesselwang

3.4 Scope of delivery

The scope of delivery of the device comprises:

• Temperature transmitter

• Mounting material (optional for head transmitter)

• Printed copy of the Brief Operating Instructions in English

• Additional documentation for devices which are suitable for use in the hazardous area

(ATEX, FM, CSA).

3.5 Certificates and approvals

The device left the factory in a safe operating condition. The device complies with the

requirements of the standards EN 61010-1 "Safety Requirements for Electrical Equipment for

Incoming acceptance and product identification L20221, L20222

Measurement, Control, and Laboratory Use" and with the EMC requirements as per the

IEC/EN 61326 series.

3.5.1 CE/EAC mark, Declaration of Conformity

The device meets the legal requirements of the EU/EEU guidelines. The manufacturer

confirms that the device is compliant with the relevant guidelines by applying the CE/EAC

mark.

3.5.2 HART® protocol certification

The temperature transmitter is registered by the HART® FieldComm Group. The device meets

the requirements of the HART® Communication Protocol Specifications, Revision 7 (HCF 7.6).

3.6 Storage and transport

Storage temperature

• Head transmitter: –50 to +100 °C (–58 to +212 °F)

• DIN rail device: –50 to +100 °C (–58 to +212 °F)

• Humidity: (device-specific): max. rel. humidity: 95 % as per IEC 60068-2-30

Pack the device for storage and transportation in such a way that it is reliably protected

against impact and external influences. The original packaging offers the best protection.

L20221, L20222 Mounting

4 Mounting

4.1 Mounting requirements

4.1.1 Dimensions

24.1 (0.95)

33 (1.3)

!44 (1.73)

!7 (0.28)

!5 (0.2)

A0036303

 3 Head transmitter version with screw terminals. Dimensions in mm (in)

A Spring travel L ≥ 5 mm (not for US - M4 securing screws)

B Mounting elements for attachable measured value display

C Interface for contacting measured value display

The same dimensions apply to the version with push-in terminals. Exception: housing

height H = 30 mm (1.18 in).

Mounting L20221, L20222

100 (3.94)

12.5 (0.49)

116 (4.57)

A0039296

H The height of housing H varies depending on the terminal version: screw terminals =

114 mm (4.49 in), push-in terminals = 111.5 mm (4.39 in)

4.1.2 Mounting location

• Head transmitter:

• In the terminal head, flat face, as per DIN EN 50446, direct mounting on insert with cable

entry (middle hole 7 mm)

• In the field housing, separated from the process

• With DIN rail clip on DIN rail as per IEC 60715, TH35

• DIN rail transmitter:

In DIN rail housing on DIN rail as per IEC 60715, TH35

NOTICE

When using a DIN rail transmitter with a thermocouple/mV measurement, increased

measurement deviations may occur depending on the installation situation and ambient

conditions.

‣If the DIN rail transmitter is mounted on the DIN rail without any adjacent devices, this

may result in deviations of up to ± 1.34 °C. If the DIN rail transmitter is mounted in series

between other DIN rail devices (reference operating conditions: 24 V, 12 mA), deviations

of up to + 2.94 °C may occur.

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