Siemens FIDAMAT 5E Manual de usuario

FIDAMAT 5E gas analyzer

for Measurement of Total Hydrocarbon Content

7MB1420

Instruction Manual

Order no. C79000-B5276-C106-04

Contents Page

1 Introduction 4

1.1 General 4

1.2 Staff Qualifications 4

2 Application 5

3 Design 6

4 Mode of Operation 7

5 Technical Data 8

6 Installation 12

6.1 Mounting 12

6.2 Gas Supply 12

6.3 Electric Connections 13

7 Startup, Calibration 19

7.1 Startup 19

7.1.1 FIDAMAT5E-E,5E-A 19

7.1.2 FIDAMAT5E-I 19

7.1.3 FIDAMAT5E-AS 20

7.2 Calibration 20

7.3 Automatic Calibration 20

8 Operation 23

8.1 Description of Control Panel 23

8.2 Input Example 24

8.3 Coding and Organization of Operating Function Groups 25

8.4 Organization of Data Storage 26

9 Maintenance, Warnings and Error Messages 27

9.1 Maintenance 27

9.2 Warnings and Error Messages 28

9.2.1 Warnings 28

9.2.2 Faults 30

10 Spare Parts and Accessories 33

11 Appendix A-1

11.1 Gas Flow Diagrams A-1

11.2 Layout Diagrams of Important Electronic Components A-5

11.3 Summary of Operating Functions A-6

11.4 Special Sheet for Storage of Current Coding A-35

Note

Your attention is drawn to the fact that the contents of this Instruction Manual are not part of a

previous or existing agreement, commitment or statutory right and do not change these. All

commitments on the part of Siemens are contained in the respective sales contract which also

contains the complete and solely applicable warranty conditions. These warranty conditions in the

contract are neither extended nor limited by the contents of this Instruction Manual.

Also notethat forclarity reasonsthis InstructionManual cannotdescribe everypossible problem in

conjunction with the use in systems. Should you require further information, or should particular

problems occur which are not handled in sufficient depth in this Manual, help can be requested

through your local Siemens office or representative.

TermswiththefollowingmeaningsareusedinthisInstructionManualandinthewarninginformation

on the product:

Danger in the sense of this Manual and the warning information on the product itself means that

death, severe personal injury and/or substantial damage to property will occur if the appropriate

safety precautions are not observed.

Warningin the sense of this Manual and the warning information on the product itself means that

death, severe personal injury and/or substantial damage to property can occur if the appropriate

safety precautions are not observed.

Caution in the sense of this Manual and the warning information on the product itself means that

slight personal injury and/or damage to property can occur if the appropriate safety precautions

are not observed.

A notein the sense of this Manual is important information on the product or the respective part of

the Manual to which particular attention should be paid.

1 Introduction

1.1 General

Warning! Certainpartsinthiselectricaldevicecontaindangerousvoltagesduring

operation.

Failure to observe the warnings could therefore result in severe personal

injuryand/ordamage toproperty.

Onlysuitablyqualifiedstaffshouldworkonthisdeviceorinitsvicinity.These

shouldbe thoroughly familiar with allwarnings and maintenance measures

accordingto this Manual.

Correct and safe operation of this device is dependent on proper handling,

installation,operationandmaintenance.

This device has left the factory in a perfect condition as regards safety. The notes and warnings in

thisManualmustbeobservedbytheuserifthisstateistobemaintainedandhazard-freeoperation

of the device assured.

1.2 StaffQualifications

A qualified person in the sense of this Instruction Manual and the warning information is one who

isfamiliarwiththeinstallation,constructionandoperationofthedeviceandwhohastheappropriate

qualifications,e.g.:

– is trained and authorized to energize, de-energize, ground and tag circuits and devices in

accordance with established safety practices;

– is trained in the proper care and use of protective equipment in accordance with established

safetypractices;

– is trained in first aid.

2 Application

The FIDAMAT 5E is an analyzer for measuring total hydrocarbons. It operates according to the

principle of flame ionization.

The analyzer is suitable for measuring all gaseous hydrocarbons. A heated line must be used for

the connection to prevent condensation and adsorption in the gas line.

Warning! Explosivegasmixturesmust not bemeasuredusingtheFIDAMAT.The ana-

lyzermustnotbeusedinpotentiallyexplosiveatmospheres.

Order No. Analyzertype

7MB1420-1 FIDAMAT 5 rack-mounted unit and bench-top unit for emission measurements

7MB1420-0 FIDAMAT 5 rack-mounted unit and bench-top unit for ambient measurements

7MB1420-2 FIDAMAT5 rack-mounted unitfor measurements withH2/He as combustion gas

7MB1420-4 FIDAMAT5rack-mountedunitfor shedmeasurements

3 Design

The device is available either as a bench-top unit fitted in a housing, or without a housing for

installation in a 19-inch rack or 19-inch cabinet.

TheFIDAMATcomprisestwomainsections,theanalyzersectionandtheelectronicswithfrontpanel

controls.

Analyzersection

The analyzer section consists of the oven with sample gas filter, detector chamber and various

restrictors.The ovenis accessiblefrom thesideto enablemodifications orrepairs tobe carried out

in the installed condition without loosening the electric connections or gas piping connections.The

sample gas filter is accessible from the front when the front panel has been folded out.

The analyzer section also contains the diaphram pump with separate oven for the pump head.The

pump can be dismounted from the front without having to open the oven.

The analyzer section also contains pressure regulators, solenoid valves, pressure sensors and a

flowsensor.

Electronics

The electronics consist of the input board which is integrated into the front panel, the motherboard

with preamplifier board and the control board.

Themotherboard contains theEPROMs forthe software, theEEPROM for theparameter sets and

the switch for the write-protected area on the EEPROM.

4 Mode of Operation

Electrons are released when hydrocarbons are combusted in a hydrogen flame. These electrons

are collected at an electrode by means of an electric field and measured using a highly sensitive

amplifier. The current is proportional to the quantity of organically-bound C atoms in the sample

gas.

A diaphram pump draws the sample gas and generates a specific pressure. The sample gas is

passed into the measuring chamber via an obstruction-resistant fused silica restrictor.Thesample

gasismixed in themeasuring chamber withhydrogenorhydrogen/helium (4:6)and with a specific

amount of air and routed via the nozzle into the combustion chamber.

The hydrogen pressure is held constant by a pressure regulator. The balanced system of pump,

restrictors and pressure regulators ensures that the sample gas pressure is kept constant.

TheFIDAMAT operates largelyautomatically. Iftheparameters (pressures,temperatures) areset,

thedevicestartsupautomaticallywhen switched onandigniteswhenthesetpoint temperaturehas

been reached. The hydrogen and combustion air pressures are measured when switching on, and

the control panel indicates if they are incorrectly set.

1 Flame

2 Quartz nozzle

3 Combustion air

4 Sample gas

6 Measuring electrode

7 Amplifier

Fig. 4 Principle of flame ionization detector

-200 V DC

5 Technical Data

Number of measuring ranges Max.4,freelyparameterizable

Switching ratio Optional

Autoranging Selectable

Hysteresis:

–Switchover to larger range at 90 % of span of

smallerrange

–Switchover to smaller range at 80 % of span of

smallerrange

Output signals Atterminal stripsX1, X2andX3.

A cable with a plug connector

(OrderNo.W79070-U1610-M25)canbe connected

to these terminal strips

Analog 0/2/4 to 20 mA, max. resolution 0.1 %,

max. load 750 Ω

Digital RS232serialinterfaceasV.24orTTY(20mA)

Programming facilities (for setting of

device-specific parameters using control panel) Oven and pump temperatures, limits, measuring

ranges,measured-valuestorage,timeconstant,

3-stage code for protection against unauthorized

and unintentional use etc.

Device output Floating contacts for:

–Measure/calibratesignal

–Ready/notreadysignal

–4selectable limit relays,max. 24 V/1A, freely

assignableto measuringranges

–4 contacts for range identification, max. 24 V/1 A

–Solenoid valve control, max. 24 V/1 A

Deviceinput 4 floating contacts are required for range switching,

span calibration,

zero calibration,

autocal

Measured-valuedisplay Digital concentration display (5 digits with floating

decimal point)

Resolution of digital display 0.1%of measuredvalue

Ripple of output signal <0.5 % of 10 ppm C1with5E-E

Noise <0.5 % of 10 ppm C3with5E-E

<0.5 % of 10 ppm C3with5E-Aand5E-AS

<0.5 % of 10 ppm C1with5E-I

Detection limit 0.1 ppm C1with5E-E

0.1 ppm C1with5E-Aand5E-AS

0.1 ppm C1with5E-I

Repeatability 0.1to 1 %of full-scalevalue, range-dependent

Characteristic Linearization error <1 % of f.s.v.

Long-term drift

Zero

5E-E <2 % of span/week with f.s.v. >10 ppm C1,

range-dependent

5E-A,5E-AS <2 % of span/week with f.s.v. >10 ppm C3,

range-dependent

5E-I < 2 % of span/day with f.s.v. 2 ppm C1, range-

dependent

Span As for zero

Responsetime(T90 time) with time

constant 0 s, set using function 13 <1 s without filter

2 to 3 s with filter

Warm-uptime Approx. 2 to 3 hours

Analyzerchambertemperature 110to200˚C,freely-selectable

Permissiblestoragetemperature –30 to +70 ˚C

Permissibleambienttemperature (operation) 5 to 45 ˚C

Inlet pressure for hydrogen, combustion air,

zero gas and calibration gas(es) 3 bar (45 psig) above atmospheric pressure

Position of use Front panel vertical

Change in display through influencing variables

Mains voltage variations (+10, -15 %) <1 % of measured value

Ambienttemperaturevariations <1 % of measured value/10 K

Atmosphericpressurevariations <1 % of measured value /50 mbar

Frequencyvariations <1 % of measured value for the permissible

frequency range

Influence of position <1 % of measured value with inclination <15˚

Power supply

Mains connection AC110,120,220,230,240V,48to63Hz

Power consumption Approx. 350 VA in start-up phase,

approx. 150 VA during operation

Degree of protection

Rack-mountedunit IP20to DIN40050

Bench-top unit IP21to DIN40050

Dimensions Seedimensionaldrawing

Weight 28 kg

Material of parts in contact with sample gas PTFE,quartz(nozzle,fusedsilica),graphite

(gaskets),stainlesssteel1.4571(316SS)

Gas consumption data

5E-E

Combustion gas Approx. 350 ml/min (approx. 21 l/h)

Hydrogen Approx. 20 ml/min (approx. 1.2 l/h)

Samplegas Approx. 1 l/min (approx. 60 l/h)

Zero gas/calibration gas Approx. 2 l/min (approx. 120 l/h)

5E-A(samplegas atstandardpressure)

Combustion gas Approx. 350 ml/min (approx. 21 l/h)

Hydrogen/helium Approx. 110 ml/min (approx. 6.6 l/h)

Samplegas Approx. 1 l/min (approx. 60 l/h)

Zero gas/calibration gas Approx. 2 l/min (approx. 120 l/h)

5E-AS

Combustion gas Approx. 350 ml/min (approx. 21 l/h)

Hydrogen/helium Approx. 110 ml/min (approx. 6.6 l/h)

Samplegas Approx. 1 l/min (approx. 60 l/h)

Zero gas/calibration gas Approx. 2 l/min (approx. 120 l/h)

5E-I

Combustion air: None

Hydrogen Approx. 30 ml/min (approx. 1.8 l/h)

Samplegas Approx. 1 l/min (approx. 60 l/h)

Zero gas/calibration gas Approx. 2 l/min (approx. 120 l/h)

Oxygencross-sensitivity 5E-E: Approx. 30 ppm C1

Length Max. 30 m

Temperature 140to200˚C,freely-selectable

Power consumption (operation) Approx.150VA

Power consumption (startup) Approx.350VA

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