Siemens SITRANS LR 400 Guida

Instruction Manual October 2004

LR 400

sitrans

Safety Guidelines: Warning notices must be observed to ensure personal safety as well as that of

others, and to protect the product and the connected equipment. These warning notices are

accompanied by a clarification of the level of caution to be observed.

Qualified Personnel: This device/system may only be set up and operated in conjunction with this

manual. Qualified personnel are only authorized to install and operate this equipment in accordance with

established safety practices and standards.

Unit Repair and Excluded Liability:

• The user is responsible for all changes and repairs made to the device by the user or the user’s

agent.

• All new components are to be provided by Siemens Milltronics Process Instruments Inc.

• Restrict repair to faulty components only.

• Do not reuse faulty components.

Warning: This product can only function properly and safely if it is correctly transported, stored,

installed, set up, operated, and maintained.

Note: Always use product in accordance with specifications.

Disclaimer of Liability

This document is available in bound version and in

electronic version. We encourage users to purchase

authorized bound manuals, or to view electronic versions

as designed and authored by Siemens Milltronics Process

Instruments Inc. Siemens Milltronics Process Instruments

Inc. will not be responsible for the contents of partial or

whole reproductions of either bound or electronic

versions.

While we have verified the contents of this

manual for agreement with the

instrumentation described, variations

remain possible. Thus we cannot

guarantee full agreement. The contents of

this manual are regularly reviewed and

corrections are included in subsequent

editions. We welcome all suggestions for

improvement.

Technical data subject to change.

MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments Inc.

Contact SMPI Technical Publications at the following address:

Technical Publications

Siemens Milltronics Process Instruments Inc.

1954 Technology Drive, P.O. Box 4225

Peterborough, Ontario, Canada, K9J 7B1

Email: techpubs.smpi@siemens.com

• For a selection of Siemens Milltronics level measurement manuals, go to:

www. siemens.com/processautomation. Under Process Instrumentation, select Level

Measurement and then go to the manual archive listed under the product family.

• For a selection of Siemens Milltronics weighing manuals, go to:

www. siemens.com/processautomation. Under Weighing Technology, select Continuous

Weighing Systems and then go to the manual archive listed under the product family.

Table of Contents

General Information ...........................................................................................................1

Safety Notes .............................................................................................................................................1

The Manual ...............................................................................................................................................1

Abbreviations and Identifications .......................................................................................................2

SITRANS LR 400 ......................................................................................................................................3

Structure ....................................................................................................................................................3

System Implementation .........................................................................................................................5

Specifications ......................................................................................................................6

SITRANS LR 400 ............................................................................................................................6

Dimensions .............................................................................................................................................11

Purging System .................................................................................................................17

Installation ......................................................................................................................... 18

Mounting Location ................................................................................................................................18

Beam Spreading ..........................................................................................................................19

Correct Installation in Mounting Nozzle ................................................................................19

Installation using Easy Aimer LR .............................................................................................19

Electrical Connection ...........................................................................................................................20

Start Up ...............................................................................................................................22

Self-test ....................................................................................................................................................22

Multi-display ...........................................................................................................................................22

Local Programming ...............................................................................................................................22

Auto-Setup ..............................................................................................................................................22

Operation ............................................................................................................................24

General Information ..............................................................................................................................24

Measuring Principle .............................................................................................................................24

Operating the SITRANS LR 400 .........................................................................................................26

Selecting a Parameter .........................................................................................................................26

Structure of Parameters ............................................................................................................27

Changing a Parameter Value ..............................................................................................................27

Disabling and Enabling Programming ..............................................................................................29

Operating Examples ..............................................................................................................................30

Parameters (HART) ...........................................................................................................32

Functional Dimensions ..............................................................................................................33

Required Parameters ............................................................................................................................33

Additional Parameters .........................................................................................................................35

Parameters (PROFIBUS PA) ............................................................................................63

Troubleshooting .................................................................................................................75

Classification of Faults .........................................................................................................................75

Self-test ....................................................................................................................................................75

Symptoms, Causes and Their Remedy ............................................................................................75

Fault Messages .....................................................................................................................................76

Unit Repair and Excluded Liability ..........................................................................................77

Maintenance ......................................................................................................................78

Cleaning the Antenna ..........................................................................................................................78

Glossary ..............................................................................................................................79

Appendix I: Parameter List ..............................................................................................80

Appendix II: Programming Chart ...................................................................................84

Appendix III ........................................................................................................................88

Ambient/Operating Temperature Specification .............................................................................88

Appendix IV ........................................................................................................................90

Process Pressure/Temperature De-rating ......................................................................................90

Appendix V .........................................................................................................................92

HART Communications for the SITRANS LR 400 ..........................................................................92

HART Device Descriptor (DD) ..................................................................................................92

SIMATIC Process Device Manager (PDM): ..........................................................................92

HART Communicator 275: ..........................................................................................................93

Appendix VI ........................................................................................................................98

PROFIBUS PA Communications for the SITRANS LR 400 ..........................................................98

Device Descriptor ........................................................................................................................98

The GSD file ..................................................................................................................................98

Bus address (Device Address) .................................................................................................98

Power Demands ..........................................................................................................................99

Cyclic versus Acyclic Data ........................................................................................................99

Cyclic Data ....................................................................................................................................99

Status Word ................................................................................................................................101

Extended Diagnostics ............................................................................................................. 102

Acyclic Data ............................................................................................................................... 102

Configuration Example: ........................................................................................................... 102

Hazardous Installation ................................................................................................... 103

7ML19985FH04 SITRANS LR 400 – INSTRUCTION MANUAL Page 1

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General Information

Safety Notes

Special attention must be paid to warnings and notices highlighted from the rest of the

text by grey boxes.

• These instructions do not claim to cover all details or variations in equipment, or to

provide for every possible contingency that may arise during installation, operation,

or maintenance.

• For further information or to resolve issues not covered in the manual, consult your

Siemens Milltronics representative.

The Manual

WARNING: relates to a caution symbol on the product, and means

that failure to observe the necessary precautions can result in

death, serious injury, and/or considerable material damage.

WARNING: means that failure to observe the necessary

precautions can result in death, serious injury, and/or considerable

material damage.

CAUTION: means that failure to observe the necessary precautions can

result in considerable material damage.

Note: means important information about the product or that part of the operating

manual.

IMPORTANT: All specifications are subject to change without notice.

Please ensure that any safety-related information is confirmed with a

qualified Siemens Milltronics representative.

WARNINGS:

• Changes or modifications not expressly approved by Siemens Milltronics

could void the user’s authority to operate the equipment.

• This equipment is intended to be used only in fully enclosed metal and

concrete containers.

Note: This equipment has been tested and found to comply with the limits for a Class

A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference when the equipment is

operated in a commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful

interference in which case the user will be required to correct the interference at his

own expense.

Page 2 SITRANS LR 400 – INSTRUCTION MANUAL 7ML19985FH04

mmmmm

General Information

This manual will help you set up your SITRANS LR 400 for optimal performance. We

alwasy welcome suggestions and comments about manual content, design, and

accessibility.

Please direct your comments to techpubs.smpi@siemens.com. For the complete library of

Siemens Milltronics manuals, go to www.siemens.com/processautomation

Qualified personnel

Qualified personnel are familiar with the installation, commissioning, and operation of

this equipment. In addition the person must be:

• trained and authorized to operate and service equipment/systems in accordance

with established safety procedures relating to electrical circuits, high pressures and

aggressive media.

• trained in the proper care and use of protective equipment in accordance with

established safety practices.

• trained in rendering first aid.

Abbreviations and Identifications

HART is a registered trademark of the HART Communication Foundation.

WARNINGS:

• Installation shall only be performed by qualified personnel and in

accordance with local governing regulations.

• The SITRANS LR 400 is to be used only in the manner outlined in this

manual, otherwise protection provided by equipment may be impaired.

Short form Long form Description

CE / FM / CSA Conformitè Europèene / Factory Mutual /

Canadian Standards Association

safety approval

ESD Electrostatic Discharge

HART® Highway Adressable Remote Transducer

IS Intrinsically Safe safety approval

PED Pressure Equipment Directive safety approval

7ML19985FH04 SITRANS LR 400 – INSTRUCTION MANUAL Page 3

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General Information

SITRANS LR 400

The SITRANS LR 400 is a long-range FMCW radar level instrument. A liquids version (L) is

available for use in liquids storage, performing well on low dielectric liquids or sticky

materials requiring a purging unit. A solids version (S) incorporates the Easy Aimer design

for use in solids, especially conditions of extreme dust. On both versions, the narrow

antenna beam results in a sharp radiation cone, which makes the SITRANS LR 400 quite

insensitive to vessel interferences.

Structure

housing

connection

cover

intermediate

flange

horn antenna

process flange

threaded ring

display module

electronics cove

cable gland

device tag

hand programme

(ordered

separately)

Liquids Version

Page 4 SITRANS LR 400 – INSTRUCTION MANUAL 7ML19985FH04

mmmmm

General Information

The terminals for the power cable and the signal cable are behind the connection cover

on the left side of the housing. The signal cable must be fed in from the right through the

cable glands.

The end of the antenna must reach inside the vessel through the vessel nozzle (see

page 19).

If the device is rotated, return the orientation of the housing to its previous position with

reference to the flange, to ensure similar performance.

housing

connection

cover

intermediate

flange

horn antenna

process flange

threaded ring

display module

electronics cove

cable gland

device tag

hand programme

(ordered

separately)

Solids Version

Arrows required

7ML19985FH04 SITRANS LR 400 – INSTRUCTION MANUAL Page 5

mmmmm

General Information

System Implementation

SITRANS LR 400 supports HART communication protocol, and SIMATIC PDM software.

Typical PLC/mA configuration with HART

Typical PLC/mA configuration with PROFIBUS PA

Note: A 250 ohm loop resistor may be required, depending on PLC input resistance.

SI TR A N S L R 400

PLC with mA

input card

HART

HART Communicator 275

SITRANS LR 400

PC/laptop with HART

modem running PDM

SITR AN S L R 40 0 SIT R AN S LR 40 0 SIT R AN S L R 40 0

PDM Class 2

Master

Class 1

Master PLC

DP/PA

Coupler ET200

HART

PROFIBUS PA

SITRANS LR 400 SITRANS LR 400 SITRANS LR 400

Page 6 SITRANS LR 400 – INSTRUCTION MANUAL 7ML19985FH04

mmmmm

Specifications

SITRANS LR 400

Power

• Power Supply 120 to 230 V AC, ±15%, 50/60 Hz, 6W (12VA) or

24 V DC, +25/-20%, 6W

Power failure: bridge of at least 1 mains period (> 20 ms)

Fuse

• Fuse (both AC and DC versions)

SI1 Fast acting ceramic, 4 x 20 mm, 1A, 250 V AC

SI2 Slow-Blow, 4 x 20 mm, 0.63 A, 250 V AC

Performance

Measured value error (under reference conditions)

• Measuring error ≤±5 mm at 1 to 10 m distance

≤±15 mm at 10 to 45 m distance

• Dead zone 0 to 350 mm from bottom edge of flange

• Additional contribution of ≤0.1% of the measured value

analog output ≤0.05 % of full scale

• Long-term stability ≤±1 mm/year

• Repetitive accuracy ≤±1 mm at 0 to 45 m, damping ≥1 s

Interface

• Analog output (Not applicable to PROFIBUS PA option)

Signal range 4 to 20 mA

Upper Limit 20 to 22.5 mA adjustable

Fail signal 3.6 mA; 22 mA; 24 mA or last value

Load Max. 600 Ω; for HART®1communication min. 230 Ω

• Digital output

Function Configurable as a device status or limit value

(level, volume, mass)

Note: Siemens Milltronics makes every attempt to ensure the accuracy of these

specifications, but reserves the right to change them at any time. Please ensure

these are the most recent specifications. Contact your representative, or check our

web site at www. siemens.com/milltronics for the most up-to-date information.

1. HART is a registered trademark of HART Communication Foundation.

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