Endress+Hauser Micropilot M FMR 231 Bedienungsanleitung

micropilot FMR 231

with PROFIBUS-PA

Microwave Level

Measurement

Operating instructions

ENDRESS+HAUSER

MICROPILOT II

IP 65

OrderCode:

Ser.-No.:

Messbereich

Measuring range

U16...36VDC

4...20 mA

max. 20m

Made in Germany Maulburg

T>70°C:

At>85°C

BA 176F/00/en/06.01

Software-Version 2.0

52000540

Hauser+Endress

The Power of Know How

Short Instructions

Note!

•The datum point for the empty distance "E" is always the lower face of the process

connection.

•The full distance "F" can extend up to the tip of antenna.

•For stilling wells see Chapter 6.2

Calibration with VU 330

or remote operation for

buffer and storage tanks

Note!

➀Check installation

1. Check that the alignment mark point

to the tank wall, see also Chapter 2.1.

➁Calibration

1. Reset

V9H5 = 333

2. Empty and full calibration

V0H1 = E

V0H2 = F

V0H3 = A (application parameter)

A = 0: Tanks up to 7 m

A = 1: Tanks up to 1.5 m

A = 2: Tanks up to 7 m, εr<10

A = 3: Tanks from 7 m to 20 m

3. False echo suppression

Tank empty (

≤

E)!

V3H0 = 4

V3H1 = (E – 0,8 m)

For partially full tanks see Chapter 6.1.

➂Check echo quality

1. Echo qualitity

Observe when filling tank

V3H2 ≥10 dB

Measurement in order

V3H2 < 10

Measurement not in order:

Optimise alignment, see Chapter 7.5.

Try different nozzle position,

see Chapter 2.1.

tank wall

distance

greater or

equal to

30 cm

alignment

mark points

to wall

flange

thread

100%

V H

V3H2 >10:

Short Instructions Micropilot FMR 231-PA

Endress+Hauser

Table of Contents

Notes on Safety . . . . . . . . . . . 3

1 Introduction . . . . . . . . . . . . 5

1.1 Measurement principle . . . . . . 6

1.2 Measuring system . . . . . . . . 8

2 Installation . . . . . . . . . . . . . 9

2.1 Mounting in a tank . . . . . . . . 9

2.2 Mounting in stilling wells . . . . . . 12

2.3 Protective cover . . . . . . . . . 13

3 Connection . . . . . . . . . . . . . 14

3.1 Wiring examples . . . . . . . . . 15

4 PROFIBUS-PA Interface . . . . . . . . 16

4.1 Synopsis . . . . . . . . . . . . 16

4.2 Setting the device address . . . . 17

4.3 Device data base and type files . . 18

4.4 Cyclic data exchange . . . . . . 19

4.5 Acyclic data exchange . . . . . . 20

4.6 Operation . . . . . . . . . . . 24

5 Operation . . . . . . . . . . . . . 25

5.1 On-site operation . . . . . . . . 25

5.2 Remote operation with Commuwin II . 27

6 Calibration . . . . . . . . . . . . . 29

6.1 Basic calibration for tanks . . . . . 30

6.2 Basic calibration for bypass pipes

and stilling wells: . . . . . . . . 32

6.3 Linearisation . . . . . . . . . . 34

6.4 Output/display module . . . . . . 37

6.5 Safety functions . . . . . . . . . 38

6.6 Locking/unlocking the matrix . . . . 39

6.7 Measuring point information . . . . 40

7 Trouble-Shooting . . . . . . . . . . 41

7.1 Self-monitoring . . . . . . . . . 41

7.2 Error messages . . . . . . . . . 42

7.3 Fault analysis . . . . . . . . . . 43

7.4 Application parameter . . . . . . 45

7.5 Echo quality . . . . . . . . . . 46

7.6 False echo suppression . . . . . . 47

7.7 Window suppression . . . . . . . 48

7.8 Plausibility . . . . . . . . . . . 48

7.9 Simulation . . . . . . . . . . . 49

7.10 Reset . . . . . . . . . . . . . 50

8 Maintenance and Repair . . . . . . . 51

8.1 Maintenance . . . . . . . . . . 51

8.2 Repairs . . . . . . . . . . . . 52

8.3 Spare parts . . . . . . . . . . . 53

9 Technical Data . . . . . . . . . . . 55

9.1 Dimensions . . . . . . . . . . . 58

9.2 Derating diagrams . . . . . . . . 59

9.3 Product structure FMR 231E . . . . 60

9.4 Product structure FMR 231A . . . . 61

10 Operating Matrix . . . . . . . . . . 62

10.1 Matrix operation . . . . . . . . . 62

Index . . . . . . . . . . . . . . . 64

Micropilot FMR 231-PA Table of Contents

Endress+Hauser 1

Software History

Software

version Manual

edition Device and.

software no. Software changes Manual changes

2.0 11.98 8220 Original software.

operable with Commuwin II

software version 2.0

Software History Micropilot FMR 231-PA

2 Endress+Hauser

Notes on Safety

Approved usageThe Micropilot FMR 231 is a compact level transmitter designed for continuous,

non-contact level measurement of liquids, pastes and slurries.

The operating frequency of 5.8 GHz lies in a frequency band approved for industrial use.

FCC approved devices operate at 6.3 GHz. Its low pulse power of 1 mW (1 µW ERP)

allows safe installation in metallic and non-metallic vessels, with no risk to humans or the

environment.

Installation,

commissioning,

operation

The Micropilot FMR 231 has been designed to operate safely in accordance with current

technical, safety and EU standards. If installed incorrectly or used for applications for

which it is not intended, however, it is possible that application-related dangers may arise,

e.g. product overflow due to incorrect installation or calibration. For this reason, the

instrument must be installed, connected, operated and maintained according to the

instructions in this manual: personnel must be authorised and suitably qualified. The

manual must have been read and understood, and the instructions followed.

Modifications and repairs to the device are permissible only when they are expressly

approved in the manual.

Explosion hazardous

areas

If the device is to be installed in an explosion hazardous area, then the specifications in

the certificate as well as all national and local regulations must be observed. The

instrument can be delivered with the certificates listed in the table below. The certificate

can be identified from the first letter of the order code stamped on the nameplate.

•Ensure that all personnel are suitably qualified

•Observe the specifications in the certificate as well as national and local

regulations.

FCC approvalThis device complies with part 15 of the FCC rules. Operation is subject to the following

two conditions: (1) This device may not cause harmful interference and (2) this device

must accept any interference received including interference that may cause undesired

operation.

Changes or modifications not expressly approved by the party responsible for

compliance could void the user's authority to operate the equipment.

Code Certificate Type of protection Housing

A none none F12

1 PTB (in preparation) ATEX (X) II 1/2 G EEx ia IIC T3...T6 F12

3 PTB (in preparation) ATEX II 2 G Ex ia IIC T3...T6 F12

Table S.1

Certificates for applications in

explosion hazardous areas

ENDRESS+HAUSER

MICROPILOT FMR 231

Order No. FMR 231-

Micropilot FMR 231-PA Sicherheitshinweise

Endress+Hauser 3

Safety Conventions and Symbols

In order to highlight safety-relevant or alternative operating procedures in the manual,

the following conventions have been used, each indicated by a corresponding icon in

the margin.

Safety conventions

Explosion protection

Electrical symbols

Symbol Meaning

Note!

A note highlights actions or procedures which, if not performed correctly, may indirectly affect

operation or may lead to an instrument response which is not planned

Caution!

Caution highlights actions or procedures which, if not performed correctly, may lead to

personal injury or incorrect functioning of the instrument

Warning!

A warning highlights actions or procedures which, if not performed correctly, will lead to

personal injury, a safety hazard or destruction of the instrument

Device certified for use in explosion hazardous area

If the device has this symbol embossed on its name plate it can be installed in an explosion

hazardous area in accordance with the specifications in the certificate or in a safe area

Explosion hazardous area

Symbol used in drawings to indicate explosion hazardous areas.

Devices located in and wiring entering areas with the designation “explosion hazardous

areas” must conform with the stated type of protection

Safe area (non-explosion hazardous area)

Symbol used in drawings to indicate, if necessary, non-explosion hazardous areas.

Devices located in safe areas stiill require a certificate if their outputs run into explosion

hazardous areas.

Direct voltage

A terminal to which or from which a direct current or voltage may be applied or supplied

Alternating voltage

A terminal to which or from which an alternating (sine-wave) current or voltage may be

applied or supplied

Grounded terminal

A grounded terminal, which as far as the operator is concerned, is already grounded by

means of an earth grounding system

Protective grounding (earth) terminal

A terminal which must be connected to earth ground prior to making any other connection to

the equipment

Equipotential connection (earth bonding)

A connection made to the plant grounding system which may be of type e.g. neutral star or

equipotential line according to national or company practice

Note!

Caution!

Warning!

Sicherheitshinweise Micropilot FMR 231-PA

4 Endress+Hauser

1 Introduction

ApplicationThe Micropilot FMR 231 is a loop-powered transmitter. It is used to for continuous

non-contact level measurement of liquids, pastes and sludges. It is suitable for use in:

•storage tanks, buffer tanks and stilling wells

with few internal fittings and where the product surface is generally calm. Changes of

product, temperature gradients, inert gas blankets or vapours do not influence the

measurement.

VersionsThe various Micropilot FMR 231 versions result from the combinations between antenna

type, inactive length and the process connection. Table 1.1 summarises them. The

product structure is described in Chapter 9.

BA176Y05

➀➁

BA176Y06

Fig.1.1

➀

Storage tank

➁

Stilling well

Application Standard, for tanks and stilling wells Hygienic, corrosive-resistant, for tanks

and stilling wells

Housing Housing F12 (standard/EEx ia/Ex IS)

Antenna type PPS antenna PTFE antenna

Inactive length 100 mm/250 mm

Process connection Thread 1½ BSPT (R 1½) or 1½ NPT

Flange DN50/80/100/150/ or ANSI/JIS equivalent

Sanitary connection (in preparation)

Cladding uncladded cladded or uncladded

Process pressure 0...16 bar

PVDF: 0...3 bar

0...16 bar with cladded flange

0...40 bar uncladded flange

Flange temperature –20°C...+120°C; PVDF: –20°C...+80°C –40°C...+150°C

Wetted parts PPS, Viton O-ring,

1.4435 flange

1.4435 or PVDF thread

Uncladded: PTFE and 1.4435 flange/

thread or PVDF thread

Cladded: PTFE only

PPS = Polyphenylene sulphide

Table 1.1

Micropilot FMR 231 versions

Micropilot FMR 231-PA 1 Introduction

Endress+Hauser 5

1.1 Measurement principle

Micropilot is a "downward looking" time-of-flight system which measures the distance

from the probe mounting (top of the tank) to the surface of the process medium.

Short microwave pulses are beamed by the antenna towards the product, reflected by

its surface and detected by the same arrangement.

An inactive length at the start of the rod antenna delays the launch of the pulse for a

distance of 100 mm or 250 mm, ensuring that condensation or build-up in the mounting

nozzle does not affect the measurement.

Input The reflected microwaves are detected by the antenna and passed on to the electronics.

Here a microprocessor evaluates the signal and identifies the echo produced by the

reflection of the beam at the product surface. The algorithms used for signal processing

are based on many years of experience in time-of-flight measurement.

The distance D to the product surface is proportional to the time-of-flight of the microwave

pulse t:

D = c • t/2

where c is the speed of propagation

Since the empty distance E is known to the system, it is a simple matter to calculate the

level L:

L = E – D

The datum point for "E" is the bottom face of the process connection.

Micropilot has an echo suppression function which can be activated by the user. This

prevents interference echoes, e.g. caused by fittings within the beam, from being

interpreted as the level echo.

Output Micropilot is calibrated by entering the empty distance E, the full distance F and an

application parameter, which automatically tunes the instrument to the measuring

conditions.

The points "E" and "F" correspond to 0% and 100% level for both the digital output and

the display.

BA176Y06

datum point

beam

launched

here

inactive

length

datum point

max.level

Fig.1.2

Microwave measurement

principle

1 Introduction Micropilot FMR 231-PA

6 Endress+Hauser

LinearisationA linearisation function, based on a manually or semi-automatically entered table, can

be activated locally at the display unit or via the foreign system interface. This allows

measurement in customer units and provides a linear output current for spherical vessels,

horizontal cylinders and tanks with conical outlet.

AccuracyThe accuracy of Micropilot FMR 231 is dependent upon the set measuring range and

material being measured, see Technical Data. Under reference conditions it is capable

of measuring to an accuracy of ±15 mm or ±0.1% of the range end-value, which ever is

greater.

Measuring rangeThe measuring range depends upon the conditions in the tank and the product to be

measured. Table 1.2 describes the product classes, Table 1.3 the measuring range as

a function of the application and measuring conditions.

In order to ensure the highest accuracy for Class B, we recommend that

•the empty distance "E" should be 30 cm above the tank bottom.

*Class A products can be measured in bypass pipes using the FMR 230V horn antenna,

see operating manual BA 197F.

Product class Examples

A* Non-conducting liquids, e.g. propane, buthane etc.

Dielectric constant εr. 1.4...1.9

B Non-conducting liquids, e.g. petrochemicals, benzine, oil, toluol, etc.

Dielectric constant εrapprox. 1,9...4

C E.g. concentrated acids, organic solvents, analine, esters, alcohols, acetone, etc.

oil/water mixtures

Dielectric constant εrapprox. 4...10

D Conducting liquids, watery solutions, dilutte acids and alkalis,

Dielectric constant εr> 10 or electrical conductivity σ>10mS/cm

Table 1.2

Selection of product class

Product

Class Strorage tank Buffer tank Stilling well or bypass pipe

Measuring range

Measuring range Measuring range DN 50 DN 80

B10 m 33 ft 5 m 16 ft 10 m 33 ft 20 m 67 ft

C15 m 50 ft 8 m 25 ft 10 m 33 ft 20 m 67 ft

D20 m 67 ft 10 m 33 ft 10 m 33 ft 20 m 67 ft

Table 1.3

Measuring range as a function of

application

Micropilot FMR 231-PA 1 Introduction

Endress+Hauser 7

1.2 Measuring system

Measuring point In the simplest case, the complete

measuring point comprises:

•Micropilot with PROFIBUS-PA protocol

•a segment coupler

•a programmable logic controller (PLC)

•if necessary, a personal computer with

the operating program Commuwin II

•as well as a PROFIBUS-PA terminator.

Number of transmitters The maximum number of transmitters that can be connected to a bus segment depends

upon their current consumption, the power available from the segment coupler and the

bus length, see TI 260F or BA 198F (in preparation). In general, the following applies:

•10 Micropilot FMR 231 for applications in explosion hazardous areas

•max. 32 Micropilot FMR 231 for safe applications.

ENDRESS + HAUSER

BA176Y11

PROFIBUS-DP

Personal

computer with

Commuwin II

PLC

segment

coupler

operating

and display

module

VU 330

PROFIBUS-PA

Micropilot with

PROFIBUS-PA

protocol

1 Introduction Micropilot FMR 231-PA

8 Endress+Hauser

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