Siemens SITRANS LR25 Gebrauchsanweisung

Radar Transmitters

Quick Start Manual 01/2012

SITRANS LR250 (Foundation Fieldbus)

SITRANS

7ML19985XN82 SITRANS LR250 (FF) – QUICK START MANUAL Page EN-1

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SITRANS LR250 (Foundation Fieldbus)

Quick Start Manual

This manual outlines the essential features and functions of the SITRANS LR250 (Foundation

Fieldbus). We strongly advise you to acquire the detailed version of the manual so you can use

your instrument to its fullest potential. The complete manual can be downloaded from the

product page of our web site at: www.siemens.com/LR250. The printed manual is available from

your local Siemens representative.

Questions about the contents of this manual can be directed to:

Siemens AG

Siemens Milltronics Process Instruments

1954 Technology Drive, P.O. Box 4225

Peterborough, Ontario, Canada, K9J 7B1

Email: [email protected]

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

Technical Support

Support is available 24 hours a day.

To find your local Siemens Automation Office address, phone number and fax number go to:

www.siemens.com/automation/partner:

• Click on the tab Contact, select Service, then click Service again to find your product

group (+Automation Technology > +Sensor Systems >+Process Instrumentation > +Level

Measurement > +Continuous). Select Radar.

• Select the country followed by the City/Region.

• Select Technical Support under Service.

For on-line technical support go to: www.siemens.com/automation/support-request

• Enter the instrument name (SITRANS LR250) or order number, then click on Search, and

select the appropriate product type. Click on Next.

• Enter a keyword describing your issue. Click on Next. Then either browse the relevant

documentation, or click on Next to E-mail a description of your issue to Siemens

Technical Support staff.

Siemens IA/DT Technical Support Center: phone +49 (0)911 895 7222

We encourage users to purchase autho-

rized bound manuals, or to view elec-

tronic 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 guar-

antee 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.

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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.1)

FCC Conformity

US Installations only: Federal Communications Commission (FCC) rules

SITRANS LR250

SITRANS LR250 is a 2-wire 25 GHz pulse radar level transmitter for continuous monitoring of

liquids and slurries in storage vessels including high pressure and high temperature, to a range

of 20 m (66 ft). It is ideal for small vessels and low dielectric media.

The instrument consists of an electronic component coupled to a horn antenna and either a

threaded or flange type process connection. A threaded PVDF antenna is also available.

SITRANS LR250 supports Foundation Fieldbus (FF) communication protocol. Signals are

processed using Process Intelligence which has been field-proven in over 1,000,000

applications worldwide (ultrasonic and radar). This instrument can be configured as an FF (H1)

Link Master.

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.

WARNING1: means that failure to observe the necessary precautions can result

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

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

1) This symbol is used when there is no corresponding caution symbol on the product.

WARNING: Changes or modifications not expressly approved by Siemens

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

Notes:

• 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 to radio communications, in which case the user will

be required to correct the interference at his own expense.

WARNING: SITRANS LR250 is to be used only in the manner outlined in this manual,

otherwise protection provided by the equipment may be impaired.

Note: This product is intended for use in industrial areas. Operation of this equipment in a

residential area may cause interference to several frequency based communications.

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Specifications

For a complete listing, see the SITRANS LR250 (FF) Operating Instructions manual. For

Approvals information, please refer to the process device tag.

Ambient/Operating Temperature

Power

• Bus powered 9-32 V DC, per IEC 61158-2 (Foundation Fieldbus)

• Current consumed: 20 mA

Approvals

• General CSAUS/C, CE, FM, NE 21, C-TICK, KC

• Radio FCC, Industry Canada and Europe ETSI EN 302-372

Notes:

• The maximum temperature is dependent on the process connection, antenna materials,

and vessel pressure: see

Wiring Setups for hazardous area installations

on page 9. For

more detailed information see Process Pressure/Temperature derating curves in the full

manual.

• Process temperature and pressure capabilities are dependent upon information on the

process connection tag. The reference drawing listed on the tag is available on the

product page of our website at www.siemens.com/LR250, under More Info/Installation

drawings/Level Measurement/Installation Drawings/LR250. Additional information on

process connections is available on the Installation Drawings page under Process

Connection Diagrams.

• Signal amplitude increases with antenna diameter, so use the largest practical size.

• Optional extensions can be installed below the threads.

• See

Maximum Process Temperature Chart

on page 24, for more details.

General Purpose:

Intrinsically Safe:

Non-Sparking/Energy Limited:

Non-incendive:

9-32 V DC

Notes:

• The device nameplate lists the approvals that apply to your device.

• Use appropriate conduit seals to maintain IP or NEMA rating.

process temperature at process connection:

standard horn antenna:

- with FKM O-ring: –40 oC to +200 oC (–40 oF to +392 oF)

- with FFKM O-ring: –20 oC to +200 oC (–4 oF to +392 oF)

2" NPT / BSPT / G Threaded PVDF antenna:

−40 to +80 °C (−40 to +176 °F)

ambient temperature

(surrounding enclosure)

–40 °C to 80 °C (–40 °F to 176 °F)

device

nameplate

process

connection

tag

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Approvals (continued)

• Hazardous

Intrinsically Safe 1)

(Europe) ATEX II 1G, Ex ia IIC T4 Ga

ATEX II 1D, Ex tD A20 IP67 T90 °C Da

(International) IECEx SIR 09.0148X, Ex ia IIC T4 Ga

Ex tD A20 IP67 T90 °C Da

(US/Canada) FM/CSA

Class I, Div. 1, Groups A, B, C, D

Class II, Div. 1, Groups E, F, G

Class III T4

(Brazil) INMETRO TUV 11.0309 X, Ex ia IIC T4 Ga

Ex ia IIIC T90 ºC Da IP65/IP67

TUV #: OCP 0004

(China) NEPSI Ex ia IIC T4/ DIP A20 TA, T90 oC IP6X

Non-sparking/Energy Limited 2)

(Europe) ATEX II 3G, Ex nA/nL IIC T4 Gc

(China) NEPSI Ex nA II T4/ Ex nL IIC T4

Non-incendive 3)

(US/Canada) FM/CSA Class I, Div. 2, Groups A, B, C, D T5

• Marine Lloyd’s Register of Shipping

ABS Type Approval

Bureau Veritas

Pressure Application

1) See

Intrinsically Safe wiring1.

on page 11

2) See

Non-Sparking/Energy Limited wiring2.

on page 12.

3) See

Non-incendive wiring (only for USA/Canada)3.

on page 13.

WARNINGS:

• Never attempt to loosen, remove, or disassemble process connection or

instrument housing while vessel contents are under pressure.

• The user is responsible for the selection of bolting and gasket materials which

will fall within the limits of the flange and its intended use and which are suitable

for the service conditions.

• Improper installation may result in loss of process pressure.

Notes:

• The process connection tag shall remain with the process pressure boundary assembly1).

In the event the instrument package is replaced, the process connection tag shall be

transferred to the replacement unit.

•SITRANS LR250 units are hydrostatically tested, meeting or exceeding the requirements

of the ASME Boiler and Pressure Vessel Code and the European Pressure Equipment

Directive.

4) The process pressure boundary assembly comprises the components that act as a barrier against

pressure loss from the process vessel: that is, the combination of process connection body and

emitter, but normally excluding the electrical enclosure.

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Pressure Equipment Directive, PED, 97/23/EC

Siemens Level Transmitters with flanged, threaded, or sanitary clamp type process mounts

have no pressure-bearing housing of their own, and therefore do not come under the Pressure

Equipment Directive as pressure or safety accessories (see EU Commission Guideline 1/8 and

1/20).

Installation

Nozzle design

• The end of the antenna must protrude a minimum of 10 mm (0.4”) to avoid false echoes

being reflected from the nozzle.

• Minimum recommended nozzle diameter for the threaded PVDF antenna is 51 mm (2").

• An antenna extension (100 mm/ 3.93") is available for any version except the threaded

PVDF antenna.

WARNINGS:

• Installation shall be performed only by qualified personnel and in

accordance with local governing regulations.

• Handle the device using the enclosure, not the antenna or the process

connection tag, to avoid damage.

• Take special care when handling the threaded PVDF antenna. Any damage

to the antenna surface, particularly to the tip, could affect performance.

• Materials of construction are chosen based on their chemical compatibility

(or inertness) for general purposes. For exposure to specific environments,

check with chemical compatibility charts before installing.

Notes:

• For European Union and member countries, installation must be according to ETSI EN

302372.

• Refer to the device nameplate for approval information.

• The serial numbers stamped in each process connection body provide a unique

identification number indicating date of manufacture.

Example: MMDDYY – XXX (where MM = month, DD = day, YY = year, and XXX= sequential

unit produced)

• Further markings (space permitting) indicate flange configuration, size, pressure class,

material, and material heat code.

min. clearance:

10 mm (0.4")

Threaded PVDF Antenna Stainless Steel Horn Antenna

Min. dia. 50 mm (2")

min. clearance:

10 mm (0.4")

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Nozzle location

Avoid central locations on tall, narrow vessels.

Environment

• Provide an environment suitable to the housing

rating and materials of construction.

• Provide a sunshield if the device will be mounted

in direct sunlight.

Beam angle

• Beam angle is the width of the cone

where the energy density is half of the

peak energy density.

• Peak energy density is directly in front

of and in line with the antenna.

• Signal is transmitted outside the beam

angle; therefore false targets may be

detected.

Emission Cone

• Keep emission cone free of interference

from ladders, pipes, I-beams or filling

streams.

Access for programming

• Provide easy access for viewing the display and programming via the handheld

programmer

Mounting instructions

Threaded Versions

1) Before inserting the instrument into its mounting connection, check to ensure the threads

are matching to avoid damaging them.

2) Simply screw the instrument into the process connection, and hand tighten, or use a

wrench. For pressure applications see Warning note above.

Flanged Versions

WARNING: For pressure applications use PTFE tape or other appropriate thread

sealing compound and tighten the process connection beyond hand-tight. The

maximum recommended torque is 40 N-m (30 ft.lbs.)

Note:

• There is no limit to the number of times an instrument can be rotated without damage.

• When mounting, orient the front or back of the instrument towards the closest wall.

• Do not rotate the enclosure after programming and vessel calibration, otherwise an error

may occur, caused by a polarity shift of the transmit pulse.

WARNING: The user is responsible for the selection of bolting and gasket materials

which will fall within the limits of the flange and its intended use, and which are

suitable for the service conditions.

preferred

undesirable

beam angle:

threaded PVDF

antenna = 19°

1.5" horn = 19°

2" horn = 15°

3" horn = 10°

4" horn = 8°

beam

angle

emission

cone

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Wiring

Power

Connecting SITRANS LR2501) 2)

1) Strip the cable jacket for approximately 70 mm (2.75") from the end of the Foundation

Fieldbus cable, and thread the wires through the gland3).

2) Connect the wires to the terminal as shown (SITRANS LR250 FF is not polarity sensitive).

3) Ground the instrument according to local regulations.4)

4) Tighten the gland to form a good seal.

5) Close the lid and secure the locking ring before programming and instrument

configuration.

(continued on next page)

WARNINGS:

The DC input terminals shall be supplied from a source providing electrical

isolation between the input and output, in order to meet the applicable safety

requirements of IEC 61010-1.

All field wiring must have insulation suitable for rated voltages.

WARNINGS:

• Check the device nameplate to verify the approval rating.

• Use appropriate conduit seals to maintain IP or NEMA rating.

• See

Wiring Setups for hazardous area installations

on page 9.

Note: For detailed wiring instructions refer to the full LR250 FF Operating Instructions.

1) The device shield connection is internally connected to the external ground lug.

2) May be shipped with the instrument.

3) If cable is routed through conduit, use only approved suitable-size hubs for waterproof applications.

4) For optimum EMC protection, it is recommended that the FF H1 cable shield be connected to ground at

every node.

cable shield

device shield

connection 1)

external

ground lug

plug (IP 68)

optional cable gland2) 3)

(or NPT cable entry3))

Use a 2 mm Allen key to

loosen the lid-lock set

screw.

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Basic Configuration with Foundation Fieldbus (H1)

Notes:

• Foundation Fieldbus (H1) must be terminated at both extreme ends of the cable for it to

work properly.

• Please refer to the

Foundation Fieldbus System Engineering Guidelines (AG-181) Revision

2.0

, available from www.fieldbus.org, for information on installing FF (H1) devices.

controller

Rosemount

3420 HSE/H1

Gateway

configurator

software

LR250 FF LR250 FF LR250 FF

PC/laptop

FF (H1)

controller

HSE/H1

Linking Device

LR250 FF LR250 FF LR250 FF

PC/laptop

FF (H1)

Configuration via

Gateway

Configuration via

Linking Device

FF (HSE)

Basic Configuration cont’d on next page.

configurator

software

7ML19985XN82 SITRANS LR250 (FF) – QUICK START MANUAL Page EN-9

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Wiring Setups for hazardous area installations

There are three wiring options for hazardous area installations:

•

Intrinsically Safe wiring

on page 11

•

Non-Sparking/Energy Limited wiring

on page 12

•

Non-incendive wiring (only for USA/Canada)

on page 13.

In all cases, check the device nameplate and process connection tag to verify the approval

rating.

Configuration with Foundation Fieldbus for hazardous

areas

H1 Interface

LR250 FF LR250 FF LR250 FF

PC/laptop

FF (H1)

Configuration via

PCI/PCMCIA Card

PCI/PCMCIA bus

Basic Configuration cont’d.

configurator

software

Hazardous Area

Non-hazardous Area

controller

EEx ia type

HSE/H1

LR250 FF LR250 FF LR250 FF

PC/laptop

FF (H1)

Configuration via

Gateway

FF (HSE)

configurator

software

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