Rosemount Analytical
Operation Manual
BINOS® 100 4P
Microprocessor - Controlled
NDIR - Analyzer
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
1. Edition 06/97
Catalog - No: 90 002 927
Managing The Process Better
Rosemount Analytical
Fisher-Rosemount GmbH & Co assumes no liability for any omissions or errors in this man ual.
Any liability for direct or indirect damages, which might occur in connection with the deliv ery or the use of
this manual, is expressly excluded to the extend permitted by applicable law.
This instrument has left the works in good order according to safety regulations.
T o maintain this operating condition, the user must strictly follow the instructions and consider the warnings
in this manual or provided on the instrument.
Troubleshooting, component replacement and internal adjustments must be made by qualified
service personnel only .
Misprints and alterations reserved
©
1997 by FISHER-ROSEMOUNT GmbH & Co. (PAD)
1. Edition: 06/97
Read this operation manual carefully before attempting to operate the analyz er !
For expedient handling of reports of defects , please include the model and serial number which
can be read on the instrument identity plate.
Look for the error check list, too (see Section 29 of this manual)
Fisher-Rosemount GmbH & Co.
Industriestrasse 1
D - 63594 Hasselroth
Phone (+49) 60 55 / 884 - 0
Telefax (+49) 60 55 / 884 - 209
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
Rosemount Analytical
SAFETY SUMMARY S - 1
General S - 1
Gases and Gas Conditioning (Sample Handling) S - 2
Supply Voltage S - 3
Connection Cables S - 3
Electrostatic Discharge S - 4
CONTENTS
CONTENTS
TECHNICAL DESCRIPTION
1. Setup 1 - 1
1.1 Front Panel 1 - 1
1.2 Rear Panel 1 - 1
1.3 Inside View 1 - 1
2. Photometer Assembly 2 - 1
2.1 Photometer 2 - 1
2.2 Detectors 2 - 2
3. Measuring Principle 3 - 1
3.1 Pyroelectrical Detector 3 - 1
3.2 Opto - Pneumatic Measuring Principle (Gas Detector) 3 - 3
3.3 Technique 3 - 5
4. Main Features 4 - 1
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I
CONTENTS
OPERATION
5. Preparation 5 - 1
5.1 Installation 5 - 1
5.2 Gas Conditioning (Sample Handling) 5 - 2
5.2.1 Gas Flow Rate 5 - 2
5.3 Gas Connections 5 - 3
6. Switching On / Switching Off 6 - 1
6.1 Switching On 6 - 1
6.2 Switching Off 6 - 3
Rosemount Analytical
7. Key Functions 7 - 1
7.1 FUNCTION 7 - 2
7.2 ENTER 7 - 3
7.3 INPUT - CONTROL 7 - 5
8. System Parameters 8 - 1
8.1 Enabling / Disabling System Parameter Function 8 - 1
8.2 Entry of System Parameters 8 - 2
8.2.1 Pressure Correction 8 - 3
8.2.2 Tolerance Check 8 - 3
8.2.3 Display Off 8 - 4
8.2.4 Analog Signal Outputs 8 - 4
8.2.5 Flushing Period 8 - 6
8.2.6 Response Time (t90) 8 - 6
8.2.7 Reset 8 - 8
8.2.8 Cross - Compensation 8 - 9
8.2.9 Cross - Compensation Calibration 8 - 9
8.2.10 Externally Located Switch 8 - 10
8.2.11 Program Version 8 - 11
8.2.12 Serial - No. 8 - 11
8.2.13 User Code 8 - 12
8.2.14 Gas - Cylinder Correction Factor 8 - 12
8.2.15 Ground Level Mode 8 - 14
II
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
Rosemount Analytical
9. Absolute Measurement 9 - 1
9.1 Setup of the Absolute Measurement Mode 9 - 1
9.2 Setting Analog Outputs 9 - 2
9.3 Calibration 9 - 4
9.3.1 Zeroing 9 - 5
9.3.2 Spanning 9 - 7
9.3.2a Enabling / Disabling Spanning Function 9 - 7
9.3.2b Performing of Spanning 9 - 8
9.4 Measurement 9 - 10
10. Differential Measurement 10 - 1
10.1 Ground Level Mode 10 - 1
CONTENTS
10.1.1 Automatic Determination 10 - 2
10.1.2 Determination of Ground Level by Selecting Parameters 10 - 3
10.2 Setup of the Differential Measurement Mode 10 - 4
10.2.1 Manual Ground Level Setting 10 - 5
10.3 Setting Analog Outputs 10 - 5
10.4 Calibration (Zeroing) 10 - 7
10.5 Measurement 10 - 9
11. Digital Outputs / Inputs 11 - 1
11.1 Digital Outputs 11 - 2
11.2 Digital Inputs 11 - 2
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III
CONTENTS
12. Serial Interface (Option) 12 - 1
12.1 Retrofitting of Serial Interface / Status Signals 12 - 1
12.2 General 12 - 2
12.3 Start Up 12 - 4
12.3.1 RS 232 C 12 - 5
12.3.2 RS 485 12 - 5
12.3.3 Switching ON/OFF Interface Operation 12 - 6
12.3.4 Setting Interface Parameters 12 - 6
12.4 Telegram Syntax 12 - 8
12.4.1 Start Character ( “$” = Hex 24) 12 - 8
12.4.2 Termination Character ( “CR” = Hex OD) 12 - 8
12.4.3 Instruction Code 12 - 8
Rosemount Analytical
12.4.4 Hyphen Character ( “;” = Hex 3B) 12 - 8
12.4.5 Status Telegram 12 - 9
12.4.6 Numerical Representations 12 - 10
12.4.7 Block Parity Check 12 - 10
12.5 Instruction Syntax 12 - 11
12.5.1 Instruction Listing 12 - 11
12.6 Datalogger 12 - 13
12.6.1 Manual Recording of Data in the Datalogger 12 - 13
12.6.2 Automatic Recording of Data in the Datalogger 12 - 14
12.6.3 Data Output 12 - 14
12.6.4 Deleting of Data from Datalogger 12 - 15
12.6.5 Display and Adjusting of Time 12 - 16
IV
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Rosemount Analytical
TROUBLESHOOTING
13. Error List 13 - 1
14. Measuring Points of BKS 14 - 1
14.1 Supply Voltage + 6 V 14 - 1
14.2 Reference Voltage, Positive 14 - 1
14.3 Reference Voltage, Negative 14 - 2
14.4 Motor Drive 14 - 2
14.5 Temperature Sensor 14 - 3
14.6 Light Barrier Signal 14 - 3
14.7 Analog Preamplifying 14 - 4
CONTENTS
15. Plug Pin - Allocation of BKS 15 - 1
16. Jumper Allocation of BKS 16 - 1
17. (vacant)
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V
CONTENTS
MAINTENANCE 18 - 1
19. (vacant)
20. Leak Testing 20 - 1
21. Opening of the Housing 21 - 1
22. Replacement and Cleaning of Photometric Components 22 - 1
22.1 Removal of the Photometer Assembly 22 - 1
22.2 Light Source Replacement 22 - 2
22.3 Cleaning of Analysis Cells and Windows 22 - 3
Rosemount Analytical
22.3.1 Removal of Analysis Cells 22 - 3
22.3.2 Cleaning 22 - 4
22.3.3 Reinstalling Analysis Cells 22 - 5
22.4 Reinstalling the Photometer Assembly 22 - 6
22.5 Physical Zeroing 22 - 7
22.5.1 Standard Photometer (not sealed version) 22 - 7
22.5.2 Sealed Photometer (Option) 22 - 8
23. (vacant)
VI
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Rosemount Analytical
TECHNICAL DATA 24 - 1
24.1 Housing / Environments 24 - 1
24.2 Signal Outputs / Inputs, Interfaces 24 - 2
24.3 Measurement Data / Gas Conditions 24 - 3
24.4 Voltage Supply 24 - 4
SUPPLEMENT
25. Replacing the EPROM 25 - 1
CONTENTS
26. Pin - Assignments 26 - 1
27. Connection Cable 27 - 1
28. (vacant)
29. Failure Check List 29 - 1
INDEX R - 1
List of Figures R - 7
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
VII
CONTENTS
Rosemount Analytical
VIII
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Rosemount Analytical
Safety Summary
1. General
SAFETY SUMMARY
GENERAL
In this manual we have used the following safety symbols
to draw your attention to strictly follow these instructions !
◆ The following general saf ety precautions must be observed during all phases of operation,
service and repair of this instrument !
Failure to comply with these precautions or with specific w arnings elsewhere in this manual
violates safety standards of design, manuf acture and intended use of this instrument !
Failure to comply with these precautions may lead to personal injury and damage to this
instrument !
◆ Fisher-Rosemount GmbH & Co. assume no liability for the customer´s failure to comply with
these requirements !
◆ Do not attempt internal service or adjustment unless another person, capable of rendering first aid and resuscitation, is present !
◆ Because of the danger of introducing additional hazards, do not perform any unauthorized
modification to the instrument !
Return the instrument to a Fisher-Rosemount Sales and Service office for service or repair
to ensure that safety f eatures are maintained !
◆ Operating personnel must not remove instrument covers !
Component replacement and internal adjustments must be made by qualified service
personnel only !
◆ Instruments which appear damaged or defective should be made inoperative and secured
against unintended operation until they can be repaired by qualified service personnel.
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
S - 1
SAFETY SUMMARY
GENERAL / GASES AND GAS CONDITIONING
Read this operation manual carefully before attempting to operate with the
instrument !
Do not operate the instrument in the presence of flammable gases, explosive
atmosphere or furnes without supplementary protective measures !
The installation site for the instrument has to be dry and remain above freezing
point at all times.
The instrument must be exposed neither to direct sunlight nor to strong sources
of heat. Be sure to observe the permissible ambient temper ature !
For outdoor sites, we recommend to install the instrument in a protective cabinet.
At least, the instrument has to be protected against rain (e.g., shelter).
Rosemount Analytical
Due to the high temperatures of photometer or heated components there is a
danger of burns to the operators.
2. Gases and Gas Conditioning (Sample Handling)
Do not interchange gas inlets and gas outlets !
All gases have to be supplied to the system as conditioned gases !
When the instrument is used with corrosive gases, it is to be verified that there
are no gas components which may damage the gas path components.
The exhaust gas lines hav e to be mounted in a dec lining, pressureless
and frost-free way and according to the valid emission legislation !
Be sure to observe the safety regulations for the respective gases
(sample gas and test gases / span gases) and the gas bottles !
S - 2
Inflammable or explosiv e gas mixtures must not be purged into the instrument
without supplementary protective measures !
To avoid a danger to the operators by explosiv e, toxic or unhealthy gas
components, first purge the gas lines with ambient air or nitrogen (N2) before
cleaning or exchange parts of the gas paths.
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
Rosemount Analytical
SAFETY SUMMARY
SUPPLY VOLTAGE
3. Supply Voltage
◆ Verify correct polarity for 24 V DC operation !
◆ This product is a Safety Class 1 instrument (provided with a protective earth terminal).
To prevent shock hazard, the instrument chassis and cabinet must be connected to an
electrical ground. The instrument must be connected to the AC power supply mains through
a three-conductor power cable , with the third wire firmly connected to an electrical ground
(safety ground) at the po wer outlet. If the instrument is to be energized via an external power
supply, that goes for the po wer supply, too.
Any interruption of the protective (grounding) conductor or disconnection of the protectiv e
earth terminal will cause a potential shock hazard that could result in personal injury.
Deliberate disconnection is inadmissible / prohibited !
◆ Use only power supply VSE 2000, UPS 01 T or equiv alent po wer supplies to be in
agreement with the CE conformity.
◆ In case of exchanging fuses the customer has to be certain that fuses of specified type and
rated current are used. It is prohibited to use repaired fuses or def ective fuse holders or to
short-circuit fuse carriers (fire hazard).
◆ Always disconnect power, discharge circuits and remove external voltage sources before
troubleshooting, repair or replacement of any component !
Any work inside the instrument without switching off the power must be
performed only by a specialist, who is familiar with the related danger !
4. Connection Cables
◆ Use only from our factory optionally delivered cables or equiv alent shielded cables to be in
agreement with the CE conformity.
The customer has to guarantee that the shield is being connected bothsided.
◆ By using optionally delivered terminal strip adapters the analyzer might not be in agreement
with the CE conformity. In this case CE conformity is to be declared by customer as
“manufacturer of system”.
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S - 3
SAFETY SUMMARY
ELECTROSTATIC DISCHARGE
Rosemount Analytical
5. Electrostatic Discharge
The electronic parts of the analyzer can be irreparably damaged if exposed to electrostatic
discharge (ESD).
The instrument is ESD protected when the covers have been secured and safety precautions
observed. When the housing is open, the internal components are not ESD protected any more.
Although the electronic parts are reasonably safe to handle, you should be aw are of the following
considerations:
The best example for ESD is when y ou walk across a carpet then touch an electrically grounded
metal doorknob: the tiny spark which jumps is a result of electrostatic discharge (ESD). You can
prevent ESD b y removing the charge from your body before removing the analyzer´s housing and
ensuring that no ESD can be built up while working with opened housing.
Ideally , the analyz er should be opened and serviced in an ESD protecting workstation: here y ou
can wear a wrist trap. Should there be no such workstation available, be sure to carry out the
following procedure:
Discharge the electric charge from your body. Do this by touching a device that is electrically
grounded (any device that has a three - prong plug is electrically grounded when it is plugged into
a power receptacle).
This should be done several times during the operation with opened housing (especially after
leaving the service site because the movement on low conducting floors or in the air might cause
additional ESDs).
S - 4
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Rosemount Analytical
FRONT PANEL / REAR PANEL
1. Setup
The analyzer is incorporated in a 1/4 19" rack-mounting housing, 3 height units.
The optional table-top housing is fitted additionally with a carrying strap and rubber feet.
1.1 Front Panel
The front panel (see Fig. A-1) includes the LED displays as well as all of the keys required for
SETUP
operating the analyzer.
1.2 Rear Panel
The rear panel (Fig. A-2) includes:
❏ the gas line fittings
❏ the plug for the electrical supply input
❏ the subminiature “D” mating socket for the analog signal outputs
❏ the subminiature “D” plug for the digital outputs (measurement mode / measuring range)
❏ the 4-pin LEMOSA socket (connection to external switch of measurement mode / measuring
range)
❏ optionally the subminiature “D” mating socket for the RS 232 C / 485 interface
1.3 Inside View
The inside view is shown in Fig. 1-1.
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
1 - 1
SETUP
INSIDE VIEW
Rosemount Analytical
Gas line fittings
Photometer with
gas detector
(CO2 channel)
Holding
device
Photometer with
pyroelectrical detector
(H2O channel)
1 - 2
Front panel
Fig. 1-1: Inside View BINOS® 100 4P
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
Rosemount Analytical
PHOTOMETER ASSEMBLY
2. Photometer Assembly
Depending on gas component and measuring range, different photometer assemblies may be
realized in BINOS® 100 4P. Optionally the photometer can be sealed against ambient air . In this
case all parts are sealed with O - rings.
The entire photometer assembly is mounted as a unit on the main circuit board (BKS) by means
of a bracket. The main circuit board is inserted into guide rails in the analyzer housing, to which
the front panel (membrane keypad) and the rear panel are mounted.
2.1 Photometer
To enable both types of measurement - the standard absolute and the additional differential
measurement (while taking the base concentration level into consideration) - a special photometer
assembly has been developed (see Fig. 2-1).
The basic part of the photometer assembly is the chopper housing (01). The light source (thermal
radiator, 02), the analysis cell (03), and the signal detection unit [including a filter cell (04) and a
detector (05/07)] are all mounted on this chopper housing.
The chopper housing also incorporates the interference filters for the selection of spectral
bandpass ranges from the broadband emission of the light sources.
Between the two halves of the chopper housing (03), which are sealed together with an O-ring,
there is the chopper blade which is driven b y a stepping motor. Both the chopper housing and the
motor encapsulation are hermetically sealed against ambient in order to prevent any gas from
entering, such as atmospheric CO2, which could lead to background absorptivity (preabsorption)
thus causing drift effects. An absorber pro vides f or constant remov al of any traces of CO2 which
may enter the interior of the chopper housing via diffusion.
In addition the chopper housing incorporates a photoelectric gate for providing a reference signal
for the phase angle of the chopper blade, and a temperature sensor (10) for monitoring
continuously the temperature of the photometer assembly . The information thus obtained is used
by the signal processing electronics to compensate thermal effects.
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
2 - 1
PHOTOMETER ASSEMBLY
Rosemount Analytical
Each analysis cell is divided in the middle by a partition wall in two halves: the measurement and
the reference side. These sides are sealed at both ends by CaF2 windows. This allows the
differential measurement to be carried out. The sample gas passes through the measurement side
while the reference side is filled with either nitrogen or another ref erence gas .
The filter cell (04) consists of a cone which optimally adjusts the radiation cross section of the
analysis cell to the detector surface.
2.2 Detectors
BINOS® 100 4P is equipped with two different detectors. The reason for this solution is the
dependence on temperature of an H2O-filled gas detector (dew point undershoot). Therefore , for
CO2 a gas detector is used and for H2O, a pyroelectrical (solid-state) detector.
The gas detector (05) and its preamplifier are interconnected by an isolated cable. The preamplifier
(06) is mounted on the analysis cell (03).
The solid-state detector and its preamplifier are directly interconnected (07); both are mounted
on the filter cell (04).
2 - 2
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Rosemount Analytical
PHOTOMETER ASSEMBLY
05
04
06
07
04
Legends:
01 Chopper Housing
02 Light Source (thermal radiator)
03 Analysis Cell (200 mm)
04 Filter Cell
05 Gas Detector (CO2 measurement)
06 Preamplifier Gas Detector
07 Pyroelectrical Detector (H2O measurement)
08 Clamp (analysis cells 10-200 mm)
09 Mounting Screws for Analysis Cells
10 Temperature Sensor
03
09
01
02
90002927(1) BINOS® 100 4P e [1.00] 17.06.97
03
09
02
10
Fig. 2-1: Photometer Assembly BINOS® 100 4P
2 - 3
PHOTOMETER ASSEMBLY
Rosemount Analytical
2 - 4
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Rosemount Analytical
MEASURING PRINCIPLE
3. Measuring Principle
The analyzers are non - dispersive infrared photometers (NDIR).
They detect the infrared light absorbed by the gas to be measured using the measurement of
selective radiation in a column of gas.
The wavelength of the absorption bands is characteristic of the type of gas being measured, while
the absorption strength gives a measure of the concentration of this gas component.
The detector receives signals succeeding in time. The difference between the absorption
measured in the measurement and reference cells gives a measure of the difference in concentration of the gas component being measured.
To enable this measurement, a gas detector is used for CO2 and a pyroelectrical one for
water vapour.
3.1 Pyroelectrical Detector
The spectral transmittance curves of the interference filter used in the BINOS® 100 4P analyzer
and the spectral absorption of the gases CO2 and H2O are shown in Fig. 3-1. It can be seen that
the absorption bands of these gases each coincide with the bandpass of one of the interference
filters.
The signal is generated by a pyroelectrical detector. It records the incoming IR radiation; the
intensity of this radiation is reduced by the absorption of the gas at the according wavelengths. By
comparing the radiation of measurement side and reference side of the analysis cell, an alternating
voltage signal is developed. This signal results from cooling and heating of the pyroelectrical
material of the detector.
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
3 - 1
MEASURING PRINCIPLE
Rosemount Analytical
100
Absorption Band
80 90
CO2 (330 ppm)
60 70
50
Transmittance [%]
40
010 20 30
4000 4500 5000 6000
5500
Wavelength [nm]
H2O (20 °C)
6500 7000 7500 8000
3 - 2
Fig. 3-1: Absorption Bands of Sample Gases and Transmittance of the
Interference Filters Used
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Rosemount Analytical
MEASURING PRINCIPLE
3.2 Opto - Pneumatic Measuring Principle (Gas Detector)
A thermal radiator generates the infrared radiation which passes first through a chopper wheel.
Then the radiation passes alternately through a filter cell and reaches the measurement and
reference sides of the analysis cell with equal intensity.
After passing another filter cell, the radiation reaches the gas detector.
The gas detector compares and evaluates the radiation coming from the measurement and
reference sides and converts them into voltage signals proportional to their intensity via a
preamplifier.
The detector consists of a gas-filled absorption and a compensation chamber, interconnected via
a flow channel.
Absorption chamber
Flow channel with
Microflow sensor
CaF2 Window
Gas intake connection
Compensation chamber
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
Fig. 3-2: Principle Design of Gas Detector
3 - 3
MEASURING PRINCIPLE
Rosemount Analytical
Standardly the detector is filled with the infrared active gas to be measured and is only sensitive
to this distinct gas with its characteristic absorption spectrum. The absorption chamber is sealed
with a window which is transparent for infrared radiation (usually CaF2, calcium fluoride).
When IR radiation passes through the reference side (purged with an unpressurized gas, which
does not absorb within a specified spectral range; in most cases nitrogen [N2] is used) of the
analysis cell into the detector, no absorption occurs. Thus the gas inside the absorption chamber
is heated, it expands and some of it passes through the flow channel into the compensation
chamber.
When the IR radiation passes through the measurement side (purged with sample gas) of the
analysis cell into the detector, a part of it is absorbed depending on the gas concentration. Then
the gas in the absorption chamber is heated less than in the case of the radiation coming from
reference side. The absorption chamber cools down, the pressure is reduced, and a part of the gas
passes through the flow channel into the measuring chamber.
The flow channel is designed so that it hardly impedes the gas flow by restriction. Due to the
radiation of the chopper wheel, the different radiation intensities lead to periodically flow pulses
within the detector.
The microflow sensor ev aluates and converts the pulses into electrical voltages. The electronics ,
which follow, evaluate the signals and convert them into the corresponding display format.
3 - 4
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Rosemount Analytical
123
123
123
6
MEASURING PRINCIPLE
3.3 Technique
The broad emission coming from two IR sources (in the case of dual channel analyzers)
passes a chopper blade, then passes through an optical filter and finally enters the analysis
cell. The light transmitted through these cells is focused by filter cells onto the detector. The
preamplified detector output signals are forwarded to the microprocessor electronics which
converts the analytical signals to results expressed directly in physical concentration units
such as Vol.-%, ppm, mg/Nm3 etc.
MOTOR
Light source Light source
Filter disc Filter disc
Analysis cell measuring side
Analysis cell reference side
Filter cell Filter cell
Gas detector
23456789012345678234567890123456789012345
CO
2
Preamplifier
H2O
Analysis cell measuring side
Analysis cell reference side
Pyroelectrical detector
(solid-state detector)
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
Chopper blade
Fig. 3-3: Principle Representation
3 - 5
MEASURING PRINCIPLE
Rosemount Analytical
3 - 6
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Rosemount Analytical
MAIN FEATURES
4. Main Features
◆ 1/4 19" housing, 3 HU
◆ Measurement mode and measuring range switch; absolute or difference mode
◆ Ground level compensation
◆ 4 - digit LED - measuring value display and operators prompting via this displays for each
measuring channel
◆ The response time (t90 time) can be adjusted separately for each measuring channel
◆ Plausibility checks
◆ Temperature compensations
◆ Interference compensation f or reducing disturbing effects due to e xtraneous absorption of
secondary gas constituents
◆ Analog signal outputs [0 (2) - 10 V {Option 0 (0,2) - 1 V} / 0 (4) - 20 mA], optically isolated
◆ Digital interface for identification of measurement mode and measuring range
(max. 30 V DC / 30 mA, “Open Collector”, optically isolated)
◆ Datalogger (option): data recording and output
◆ RS 232 C/485 serial interface for data intercommunication with host computers (option)
◆ Self - diagnostic procedures, plus maintenance and servicing support functions
◆ Operator prompting for the avoidance of operator errors
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4 - 1
MAIN FEATURES
Rosemount Analytical
4 - 2
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Rosemount Analytical
PREPARATION
INSTALLATION SITE
5. Preparation
Please check the packing and its contents immediately upon arrival.
If any item is damageg or lost you are kindly requested to notify the forwarder to undertake a
damage survey and report the loss or damage to us immediately .
5.1 Installation
The analyzer must not operate in explosive atmosphere without supplementary protective
measures !
The installation site for the analyzer has to be dry and remain above freezing point at all times.
The analyzer must be exposed neither to direct sunlight nor to strong sources of heat.
Be sure to observe the permissible ambient temperatures (cf. Section 24: Technical Data).
For outdoor installation, we recommend to install the analyzer in a protective cabinet. At least, the
analyzer has to be protected against rain (e.g., shelter).
The analyzer has to be installed as near as possible to the sample point in order to avoid low
response time caused by long sample gas lines.
In order to decrease the response time, a sample gas pump with a matching high pumping rate may
be used. Ev entually , the analyz er has to be operated in the bypass mode or by an o verflow v alve
to prevent too high flow and too high pressure (Fig. 5-1).
Exhaust
Bypass valve
Gas sampling pump
90002927(1) BINOS® 100 4P e [1.00] 25.06.97
Analyzer
Flow meter
Filter
Fig. 5-1: BINOS® 100 4P, Bypass Installation
Exhaust
5 - 1
PREPARATION
GAS CONDITIONING (SAMPLE HANDLING)
Rosemount Analytical
5.2 Gas Conditioning (Sample Handling)
The conditioning of the sample gas is of greatest importance for the successful operation of any
analyzer according to extractiv e method.
Only conditioned gas has to be supplied to the analyzer !
The gas has to fulfil the following conditions.
It must be:
❏ free of condensable constituents,
❏ free of dust,
❏ free of aggressive constituents which are not compatible with the material of the gas
paths, and
❏ have temperatures and pressures which are within the specifications stated in Section 24,
"Technical Data" of this manual.
Inflammable or explosive gas mixtures may not be intr oduced into the analyzer
without supplementary protective measures !
When analyzing vapors, the customer has to avoid the precipitation of condensate in the gas
paths.
Suitable gas conditioning hardware may be supplied or recommended for specific analytical
problems and operating conditions.
5.2.1 Gas Flow Rate
The gas flow rate should be within the range 0.2 l/min to max. 1.5 l/min !
A constant flow rate of about 1 l/min is recommended.
5 - 2
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