© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
General information
Special versions
■ Overview
Special applications
Besides the standard combinations, special applications concerning the material in the gas path and the material in the sample chambers are also available on request.
TÜV version QAL
As a reference variable for emission measurements according to
TA-Luft, 13th and 17th BlmSchV
■ Design
The function of the OXYMAT 6 gas analyzers is based on the
paramagnetic alternating pressure method and are used to
measure oxygen in gases.
■ Benefits
• Paramagnetic alternating pressure principle
- Small measuring ranges (0 to 0.5 % or 99.5 to 100 % O2)
- Absolute linearity
• Detector element has no contact with the sample gas
- Can be used under harsh conditions
- Long service life
• Physically suppressed zero through suitable selection of
reference gas (air or O2), e.g. 98 to 100 % O2 for purity monitoring/air separation
• Open interface architecture (RS 485, RS 232, PROFIBUS)
• SIPROM GA network for maintenance and service information
(option)
• Electronics and physics: gas-tight isolation, purging is possible, IP65, long service life even in harsh environments (field
device only)
• Heated versions (option), use also in presence of gases condensing at low temperature (field device only)
• EEx(p) for zones 1 and 2 according to ATEX 2G and ATEX 3G
(field device only)
■ Application
Fields of application
• For boiler control in incineration plants
• For safety-relevant applications (SIL)
• In the automotive industry (testbed systems)
• In chemical plants
• For ultra-pure gas quality monitoring
• Environmental protection
• Quality monitoring
• Versions for analyzing flammable and non-flammable gases
or vapors for use in hazardous areas
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Siemens AP 01 · 2015
19" rack unit
• With 4 HU for installation
- in hinged frame
- in cabinets with or without telescopic rails
• Front plate can be swung down for servicing purposes
(laptop connection)
• Internal gas paths: hose made of FKM (Viton) or pipe made of
titanium or stainless steel (mat. no. 1.4571)
• Gas connections for sample gas inlet and outlet and for reference gas: fittings, pipe diameter of 6 mm or ¼"
• Flow indicator for sample gas on front plate (option)
• Pressure switch in sample gas path for flow monitoring
(option)
Field device
• Two-door enclosure with gas-tight separation of analyzer and
electronics sections
• Each half of the enclosure can be purged separately
• Analyzer unit and piping can be heated up to 130 °C (option)
• Gas path and stubs made of stainless steel (mat. no. 1.4571)
or titanium, Hastelloy C22
• Purging gas connections: pipe diameter 10 mm or 3/8"
• Gas connections for sample gas inlet and outlet and for reference gas: clamping ring connection for a pipe diameter of
6 mm or ¼"
Display and control panel
• Large LCD panel for simultaneous display of:
- Measured value (digital and analog displays)
- Status bar
- Measuring ranges
• Contrast of LCD panel adjustable using menu
• Permanent LED backlighting
• Washable membrane keyboard with five softkeys
• Menu-driven operation for parameterization, test functions,
adjustment
• User help in plain text
• Graphic display of concentration trend; programmable time
intervals
• Bilingual operating software German/English,
English/Spanish, French/English, Spanish/English,
Italian/English
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
General information
Input and outputs
• One analog output per measured component (from 0, 2, 4 to
20 mA; NAMUR parameterizable)
• Two analog inputs configurable (e.g. correction of cross-interference, external pressure sensor)
• Six binary inputs freely configurable (e.g. for measurement
range switchover, processing of external signals from sample
preparation)
• Six relay outputs freely configurable (failure, maintenance request, maintenance switch, threshold alarm, external magnetic valves)
• Expansion: by eight additional binary inputs and eight additional relay outputs each, e.g. for autocalibration with up to
four calibration gases
LED backlit graphic
display and
membrane keyboard
with noticeable click
Communication
RS 485 present in the basic unit (connection at the rear; for the
rack unit also behind the front plate).
Options
• AK interface for the automotive industry with extended functions
• RS 485/RS 232 converter
• RS 485/Ethernet converter
• RS 485/USB converter
• Connection to networks via PROFIBUS DP/PA interface
• SIPROM GA software as the service and maintenance tool
Status line for display
of analyzer status
(programmable)
Two code levels
according to NAMUR
(maintenance and
specialist level)
Easy operation with
menu control
using five softkeys
Display of
concentrations as
numbers and bargraph
Display of current
measuring ranges
Display of
start-of-scale and
full-scale values
ESC key
to abort inputs
Keyboard to
enter values
INFO key
for help in plain text
CLEAR key
to delete inputs
ENTER key
to accept
input values
MEAS key
to return to
measurement mode
OXYMAT 6, membrane keyboard and graphic display
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
General information
Designs – Parts touched by sample gas, standard
Gas path
19" rack unit
Field device
Field device Ex
-
-
With hoses
Bushing
With pipes
Bushing
Pipe
Sample chamber
Restrictor
O-rings
Titanium
Titanium
Stainless steel, mat. no. 1.4571 or Tantalum
Titanium
FKM (Viton) or FFKM (Kalrez)
With pipes
Bushing
Pipe
Sample chamber
Restrictor
O-rings
Stainless steel, mat. no. 1.4571
Stainless steel, mat. no. 1.4571
Stainless steel, mat. no. 1.4571 or tantalum
Stainless steel, mat. no. 1.4571
FKM (Viton) or FFKM (Kalrez)
With pipes
Bushing
Pipe
Sample chamber
Restrictor
O-rings
Stainless steel, mat. no.
1.4571
Hose
FKM (e.g. Viton)
Sample chamber
Stainless steel, mat. no.
1.4571 or Tantalum
Fittings for sample chamber Stainless steel, mat. no.
1.4571
Restrictor
PTFE (e.g. Teflon)
O-rings
FKM (e.g. Viton)
Hastelloy C 22
Hastelloy C 22
Stainless steel, mat. no. 1.4571 or tantalum
Hastelloy C 22
FKM (e.g. Viton) or FFKM (e.g. Kalrez)
Options
Flow indicator
Measurement pipe
Variable area
Suspension boundary
Angle pieces
Duran glass
Duran glass, black
PTFE (Teflon)
FKM (Viton)
-
-
Pressure switch
Membrane
Enclosure
FKM (Viton)
PA 6.3 T
-
-
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Siemens AP 01 · 2015
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
General information
Gas path (19" rack unit)
Legend for the gas path figures
1
Sample gas inlet
8
Pressure switch in sample gas path (option)
2
Sample gas outlet
9
Purging gas
3
Not used
10
Pressure switch in reference gas path (option)
4
Reference gas inlet
11
Pressure sensor
5
Restrictor in reference gas inlet
12
Filter
6
O2 physical system
13
Flow indicator in sample gas path (option)
7
Restrictor in sample gas path
14
Outlet restrictor
)
3
3
Gas path, reference gas connection 1 100 hPa, absolute
F
13
6
P
7
8
1
2
P
11
4
5
12
P
10
9
Gas path, reference gas connection 3 000 to 5 000 hPa, absolute
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
General information
Gas path (field device)
Legend for the gas path figures
1
Not used
8
2
Sample gas inlet
9
Purging gas inlet (analyzer side)
Pressure sensor
3
Reference gas inlet
10
O2 physical system
4
Sample gas outlet
11
Restrictor in sample gas path
5
Purging gas inlet (electronics side)
12
Pressure sensor in reference gas path (option)
6
Purging gas outlet (electronics side)
13
Restrictor
7
Purging gas outlet (analyzer side)
14
Outlet restrictor
3 (OHFWURQLFFRPSDUWPHQW
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Gas path, reference gas connection 1 100 hPa, absolute
3
3
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Gas path, reference gas connection 3 000 to 5 000 hPa, absolute
1/132
Siemens AP 01 · 2015
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© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
General information
■ Function
Principle of operation
In contrast to almost all other gases, oxygen is paramagnetic.
This property is utilized as the measuring principle by the
OXYMAT 6 gas analyzers.
Oxygen molecules in an inhomogeneous magnetic field are
drawn in the direction of increased field strength due to their
paramagnetism. When two gases with different oxygen contents
meet in a magnetic field, a pressure difference is produced between them.
In the case of OXYMAT 6, one gas (1) is a reference gas (N2, O2
or air), the other is the sample gas (5). The reference gas is introduced into the sample chamber (6) through two channels (3).
One of these reference gas streams meets the sample gas within
the area of a magnetic field (7). Because the two channels are
connected, the pressure, which is proportional to the oxygen
content, causes a cross flow. This flow is converted into an electric signal by a microflow sensor (4).
The microflow sensor consists of two nickel-plated grids heated
to approximately 120 ºC, which, along with two supplementary
resistors, form a Wheatstone bridge. The pulsating flow results
in a change in the resistance of the Ni grids. This leads to an offset in the bridge which is dependent on the oxygen concentration of the sample gas.
D3
2
2
Because the microflow sensor is located in the reference gas
stream, the measurement is not influenced by the thermal conductivity, the specific heat or the internal friction of the sample
gas. This also provides a high degree of corrosion resistance
because the microflow sensor is not exposed to the direct influence of the sample gas.
2
2
2
2
By using a magnetic field with alternating strength (8), the effect
of the background flow in the microflow sensor is not detected,
and the measurement is thus independent of the instrument’s
operating position.
The sample chamber is directly in the sample path and has a
small volume, and the microflow sensor is a low-lag sensor. This
results in a very short response time for the OXYMAT 6.
Vibrations frequently occur at the place of installation and may
falsify the measured signal (noise). A further microflow sensor
(10) through which no gas passes acts as a vibration sensor. Its
signal is applied to the measured signal as compensation.
If the density of the sample gas deviates by more than 50 % from
that of the reference gas, the compensation microflow sensor
(10) is flushed with reference gas just like the measuring sensor
(4).
Note
The sample gases must be fed into the analyzers free of dust.
Condensation should be prevented from occurring in the sample
chambers. Therefore, the use of gas modified for the measuring
task is necessary in most application cases.
1 Reference gas inlet
2 Restrictors
3 Reference gas channels
4 Microflow sensor for measurement
5 Sample gas inlet
6 Sample cell
7 Paramagnetic effect
8 Electromagnet with alternating field strength
9 Sample gas and reference gas outlet
10 Microflow sensor in compensation system
(without flow)
OXYMAT 6, principle of operation
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
General information
Advantages of the function-based application of reference
gas
• The zero point can be defined specific to the application. It is
then also possible to set "physically" suppressed zero points.
For example, it is possible when using pure oxygen as the
zero gas to set a measuring range of 99.5 to 100 % O2 with a
resolution of 50 ppm.
• The sensor (microflow sensor) is located outside the sample
gas. Through use of an appropriate material in the gas path
this also allows measurements in highly corrosive gases.
• Pressure variations in the sample gas can be compensated
better since the reference gas is subjected to the same fluctuations.
• No influences on the thermal conductivity of the sample gas
since the sensor is positioned on the reference gas side.
• The same gas is used for the serial gas calibration and as the
reference gas. As a result of the low consumption of reference
gas (3 to 10 ml/min), one calibration cylinder can be used for
both gases.
• No measuring effect is generated in the absence of oxygen.
The measured signal need not therefore be set electronically
to zero, and is thus extremely stable with regard to temperature and electronic influences.
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Siemens AP 01 · 2015
Essential characteristics
• Four freely parameterizable measuring ranges, also with suppressed zero point, all measuring ranges linear
• Measuring ranges with physically suppressed zero point possible
• Measuring range identification
• Galvanically isolated measured-value output 0/2/4 to 20 mA
(also inverted)
• Autoranging possible; remote switching is also possible
• Storage of measured values possible during adjustments
• Wide range of selectable time constants (static/dynamic noise
suppression); i.e. the response time of the analyzer can be
matched to the respective measuring task
• Short response time
• Low long-term drift
• Measuring point switchover for up to 6 measuring points
(programmable)
• Measuring point identification
• Internal pressure sensor for correction of pressure variations
in sample gas range 500 to 2 000 hPa (abs.)
• External pressure sensor - only with piping as the gas path can be connected for correction of variations in the sample
gas pressure up to 3 000 hPa absolute (option)
• Monitoring of sample gas flow (option for version with hoses)
• Monitoring of sample gas and/or reference gas (option)
• Monitoring of reference gas with reference gas connection
3 000 to 5 000 hPa (abs.) (option)
• Automatic, parameterizable measuring range calibration
• Operation based on the NAMUR recommendation
• Two control levels with their own authorization codes for the
prevention of accidental and unauthorized operator interventions
• Simple handling using a numerical membrane keyboard and
operator prompting
• Customer-specific analyzer options such as:
- Customer acceptance
- TAG labels
- Drift recording
- Clean for O2 service
- Kalrez gaskets
• Analyzer unit with flow-type compensation branch: a flow is
passed through the compensation branch (option) to reduce
the vibration dependency in the case of highly different densities of the sample and reference gases
• Sample chamber for use in presence of highly corrosive sample gases
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
General information
Reference gases
Measuring range
Recommended reference gas
Reference gas connection
pressure
Remarks
0 to ... vol.% O2
N2
... to 100 vol.% O2 (suppressed
zero point with full-scale value
100 vol.% O2)
O2
2 000 … 4 000 hPa above sample
gas pressure (max. 5 000 hPa
absolute)
The reference gas flow is set automatically to 5 … 10 ml/min (up to
20 ml/min with flow-type compensation branch)
Around 21 vol.% O2 (suppressed
zero point with 21 vol.% O2 within
the measuring span)
Air
100 hPa with respect to sample gas
pressure which may vary by max.
50 hPa around the atmospheric
pressure
Table 1: Reference gases for OXYMAT 6
Correction of zero point error / cross-sensitivities
Accompanying gas
(concentration 100 vol. %)
Deviation from zero point in
vol. % O2 absolute
Accompanying gas
(concentration 100 vol. %)
Ethane C2H6
-0.49
Helium He
+0.33
Ethene (ethylene) C2H4
-0.22
Neon Ne
+0.17
Ethine (acetylene) C2H2
-0.29
Argon Ar
-0.25
1.2 butadiene C4H6
-0.65
Krypton Kr
-0.55
1.3 butadiene C4H6
-0.49
Xenon Xe
-1.05
n-butane C4H10
-1.26
Organic gases
Deviation from zero point in
vol. % O2 absolute
Inert gases
iso-butane C4H10
-1.30
Inorganic gases
1-butene C4H8
-0.96
Ammonia NH3
-0.20
iso-butene C4H8
-1.06
Hydrogen bromide HBr
-0.76
Dichlorodifluoromethane (R12) CCl2F2 -1.32
Chlorine Cl2
-0.94
Acetic acid CH3COOH
-0.64
Hydrogen chloride HCl
-0.35
n-heptane C7H16
-2.40
Dinitrogen monoxide N2O
-0.23
n-hexane C6H14
-2.02
Hydrogen fluoride HF
+0.10
Cyclo-hexane C6H12
-1.84
Hydrogen iodide HI
-1.19
Methane CH4
-0.18
Carbon dioxide CO2
-0.30
Methanol CH3OH
-0.31
Carbon monoxide CO
+0.07
n-octane C8H18
-2.78
Nitrogen oxide NO
+42.94
n-pentane C5H12
-1.68
Nitrogen N2
0.00
iso-pentane C5H12
-1.49
Nitrogen dioxide NO2
+20.00
Propane C3H8
-0.87
Sulfur dioxide SO2
-0.20
Propylene C3H6
-0.64
Sulfur hexafluoride SF6
-1.05
Trichlorofluoromethane (R11) CCl3F
-1.63
Hydrogen sulfide H2S
-0.44
Vinyl chloride C2H3Cl
-0.77
Water H2O
-0.03
Vinyl fluoride C2H3F
-0.55
Hydrogen H2
+0.26
1.1 vinylidene chloride C2H2Cl2
-1.22
Table 2: Zero point error due to diamagnetism or paramagnetism of some accompanying gases with reference to nitrogen at 60 °C and 1 000 hPa
absolute (according to IEC 1207/3)
Conversion to other temperatures:
The deviations from the zero point listed in Table 2 must be multiplied by a correction factor (k):
• with diamagnetic gases: k = 333 K / (ϑ [°C] + 273 K)
• with paramagnetic gases: k = [333 K / (ϑ [°C] + 273 K)]2
(all diamagnetic gases have a negative deviation from zero point)
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
19" rack unit
■ Technical specifications
General information
Dynamic response
Measuring ranges
4, internally and externally switchable; autoranging is also possible
Smallest possible span (relating to
sample gas pressure 1 000 hPa
absolute, 0.5 l/min sample gas flow
and 25 °C ambient temperature)
0.5 vol.%, 2 vol.% or 5 vol.% O2
Largest possible measuring span
100 vol.% O2 (for a pressure
above 2 000 hPa: 25 vol.% O2)
Measuring ranges with suppressed
zero point
Any zero point can be implemented within 0 … 100 vol.%,
provided that a suitable reference
gas is used (see Table 1 in
"Function")
Operating position
Front wall, vertical
Conformity
CE mark in accordance with
EN 50081-1, EN 50082-2
Design, enclosure
Degree of protection
IP20 according to EN 60529
Weight
Approx. 13 kg
Warm-up period
At room temperature < 30 min
(the technical specification will be
met after 2 hours)
Delayed display (T90-time)
Min. 1.5 … 3.5 s, depending on
version
Damping (electrical time constant)
0 … 100 s, parameterizable
Dead time (purging time of the gas
path in the unit at 1 l/min)
Approximately 0.5 ... 2.5 s,
depending on version
Time for device-internal signal
processing
<1s
Pressure correction range
Pressure sensor
• Internal
500 … 2 000 hPa absolute
• External
500 … 3 000 hPa absolute
Measuring response (relating to sample gas pressure 1 013 hPa
absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature)
Output signal fluctuation
100 … 120 V AC (nominal range
of use 90 … 132 V), 48 … 63 Hz
or 200 … 240 V AC (nominal
range of use 180 … 264 V),
48 … 63 Hz
< ± 0.75 % of the smallest possible measuring range according to
rating plate, with electronic
damping constant of 1 s (corresponds to ± 0.25 % at 2 σ)
Zero point drift
< ± 0.5 %/month of the smallest
possible span according to rating
plate
Power consumption
Approx. 35 VA
Measured-value drift
< ± 0.5 %/month of the current
measuring range
EMC
(Electromagnetic Compatibility)
In accordance with standard
requirements of NAMUR NE21
(08/98), EN 61326
Repeatability
< 1 % of the current measuring
range
Electrical safety
According to EN 61010-1,
overvoltage category III
Detection limit
1 % of the current measuring
range
Fuse values
100 ... 120 V: 1.0 T/250
200 ... 240 V: 0.63 T/250
Linearity error
< 0.1 % of the current measuring
range
Electrical characteristics
Power supply
Gas inlet conditions
Permissible sample gas pressure
• With pipes
Influencing variables (relating to sample gas pressure 1 013 hPa
absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature)
Ambient temperature
500 … 3 000 hPa absolute
• With hoses
- Without pressure switch
500 … 1 500 hPa absolute
- With pressure switch
500 … 1 300 hPa absolute
Sample gas flow
18 … 60 l/h (0.3 … 1 l/min)
Sample gas temperature
Min. 0 ... max. 50 °C, but above
the dew point
Sample gas humidity
< 90 % RH (RH: relative humidity)
Reference gas pressure
(high-pressure version)
2 000 ... 4 000 hPa above sample
gas pressure, but max. 5 000 hPa
Reference gas pressure
(low-pressure version)
Min. 100 hPa above sample gas
pressure
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Siemens AP 01 · 2015
< 0.5 %/10 K relating to the smallest possible measuring range
according to rating plate, with
measuring span 0.5 %: 1 %/10 K
Sample gas pressure (with air
• When pressure compensation is
(100 hPa) as reference gas, correcswitched off: < 2 % of the current
tion of the atmospheric pressure
measuring range/1 % pressure
fluctuations is only possible if the
change
sample gas can vent to ambient air) • When pressure compensation is
switched on: < 0.2 % of the current measuring range/1 % pressure change
Carrier gases
Deviation from zero point corresponding to paramagnetic or diamagnetic deviation of carrier gas
Sample gas flow at zero point
< 1 % of the current measuring
range according to rating plate
with a change in flow of 0.1 l/min
within the permissible flow range
Power supply
< 0.1 % of the current measuring
range with rated voltage ± 10 %
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
19" rack unit
Electrical inputs and outputs
Analog output
0/2/4 … 20 mA, isolated;
max. load 750 Ω
Relay outputs
6, with changeover contacts,
freely parameterizable, e.g. for
measuring range identification;
load: 24 V AC/DC/1 A, isolated
Analog inputs
2, dimensioned for 0/2/4 ... 20 mA
for external pressure sensor and
residual gas influence correction
(correction of cross-interference)
Binary inputs
6, designed for 24 V, isolated,
freely parameterizable, e.g. for
measuring range switchover
Serial interface
RS 485
Options
AUTOCAL function with 8 additional binary inputs and relay outputs each, also with PROFIBUS
PA or PROFIBUS DP
Climatic conditions
Permissible ambient temperature
-30 … +70 °C during storage and
transportation, 5 … 45 °C during
operation
Permissible humidity
< 90 % RH (RH: relative humidity)
within average annual value, during storage and transportation
(dew point must not be undershot)
Siemens AP 01 · 2015
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© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
19" rack unit
Selection and ordering data
Article No.
OXYMAT 6 gas analyzer
19" rack unit for installation in cabinets
7MB2021- 7 7 7 7 0 - 7 7 7 7
Cannot be combined
Click on the Article No. for the online configuration in the PIA Life Cycle Portal.
Gas connections
Pipe with 6 mm outer diameter
Pipe with ¼" outer diameter
0
1
Smallest possible measuring span O2
0.5 % reference gas pressure 3 000 hPa
0.5 % reference gas pressure 100 hPa (external pump)
2 % reference gas pressure 3 000 hPa
A
B
C
2 % reference gas pressure 100 hPa (external pump)
5 % reference gas pressure 3 000 hPa
5 % reference gas pressure 100 hPa (external pump)
D
E
F
Sample chamber
Non-flow-type compensation branch
• Made of stainless steel, mat. no. 1.4571
• Made of tantalum
A
B
Flow-type compensation branch
• Made of stainless steel, mat. no. 1.4571
• Made of tantalum
C
D
Internal gas paths
Hose made of FKM (Viton)
Pipe made of titanium
Pipe made of stainless steel, mat. no. 1.4571
B
Y02
D
D
D
Y02
F
F
F
Y02
1
Y02
D
E20
1
2
0
1
Monitoring (reference gas, sample gas)
Without
Reference gas only
Reference gas and sample gas (with flow indicator and pressure switch for
sample gas)
Sample gas only
Add-on electronics
Without
AUTOCAL function
• With 8 additional digital inputs/outputs
• With serial interface for the automotive industry (AK)
• With 8 additional digital inputs/outputs and PROFIBUS PA interface
• With 8 additional digital inputs/outputs and PROFIBUS DP interface
A
B
C
B
C C
D
D
A
B
D
E
F
Language
German
English
French
Spanish
Italian
0
1
2
3
4
Additional versions
Order code
Add "-Z" to Article No. and specify Order codes.
Telescopic rails (2 units)
A31
Kalrez gaskets in sample gas path
B01
TAG labels (specific lettering based on customer information)
B03
SIL conformity declaration (SIL 2) Functional Safety according to IEC 61508 and
IEC 61511
C20
FM/CSA certificate – Class I Div 2
E20
Clean for O2 service (specially cleaned gas path)
Y02
Measuring range indication in plain text, if different from the standard setting
Y11
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B
C
D
0
1
2
Power supply
100 ... 120 V AC, 48 ... 63 Hz
200 ... 240 V AC, 48 ... 63 Hz
B
Siemens AP 01 · 2015
Cannot be combined
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
19" rack unit
■ Selection and ordering data
Accessories
Article No.
RS 485/Ethernet converter
A5E00852383
RS 485/RS 232 converter
C79451-Z1589-U1
RS 485/USB converter
A5E00852382
AUTOCAL function with serial interface for the automotive industry (AK)
C79451-A3480-D512
AUTOCAL function with 8 digital inputs/outputs
C79451-A3480-D511
AUTOCAL function with 8 digital inputs/outputs and PROFIBUS PA
A5E00057307
AUTOCAL function with 8 digital inputs/outputs and PROFIBUS DP
A5E00057312
Set of Torx screwdrivers
A5E34821625
■ Dimensional drawings
0
2;<0$7
OXYMAT 6, 19“ unit, dimensions in mm
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
19" rack unit
■ Schematics
Pin assignment (electrical and gas connections)
&RQQHFWRU68%')56
0
*1'
9
0
*1'
5B/HYHO1
1&
5'7'1
5'7'3
5B/HYHO3
1&
1&
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Siemens AP 01 · 2015
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© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
19" rack unit
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OXYMAT 6, 19“ unit, pin assignment of AUTOCAL board and PROFIBUS connectors
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
19" rack unit
Sample gas outlet
Sample gas inlet
Reference gas inlet
4
2
15-pin connector
9-pin
Binary inputs and
connector:
analog inputs/outputs RS 485
1
Purging gas
inlet
9-pin
interface
connector
(option): e.g.
PROFIBUS
Power supply
and fuses
Gas connections: stubs 6 mm or ¼"
OXYMAT 6, 19“ unit, gas and electrical connections
1/142
Siemens AP 01 · 2015
25-pin connector
Binary inputs and
relay outputs
37-pin connector
Binary inputs and
relay outputs (option)
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
Field device
■ Technical specifications
General information
Gas inlet conditions
Measuring ranges
4, internally and externally switchable; autoranging is also possible
Smallest possible span
(relating to sample gas pressure
1 000 hPa absolute, 0.5 l/min sample gas flow and 25 °C ambient
temperature), smallest possible
span with heated version: 0.5 %
(< 65 °C); 0.5 … 1 % (65 … 90 °C);
1 … 2 % (90 … 130 °C))
0.5 vol.%, 2 vol.% or 5 vol.% O2
Largest possible measuring span
100 vol.% O2 (for a pressure
above 2 000 hPa: 25 vol.% O2)
Measuring ranges with suppressed
zero point
Any zero point can be implemented within 0 … 100 vol.%,
provided that a suitable reference
gas is used (see Table 1 in
"Function")
Permissible sample gas pressure
• With pipes
500 … 3 000 hPa absolute
• With pipes, Ex version
- Leakage compensation
500 … 1 160 hPa absolute
- Continuous purging
500 … 3 000 hPa absolute
Reference gas pressure
(high-pressure version)
2 000 ... 4 000 hPa above sample
gas pressure, but max. 5 000 hPa
Reference gas pressure
(low-pressure version)
Min. 100 hPa above sample gas
pressure
Purging gas pressure
• Permanent
< 165 hPa above ambient pressure
• For short periods
Max. 250 hPa above ambient
pressure
Operating position
Front wall, vertical
Sample gas flow
18 … 60 l/h (0.3 … 1 l/min)
Conformity
CE mark in accordance with
EN 50081-1, EN 50082-2
Sample gas temperature
IP65 in accordance with
EN 60529, restricted breathing
enclosure to EN 50021
• Min. 0 to max. 50 °C, but above
the dew point (unheated)
• 15 °C above temperature analyzer unit (heated)
Sample gas humidity
< 90 % relative humidity
Design, enclosure
Degree of protection
Weight
Approx. 28 kg
Electrical characteristics
Power supply
100 … 120 V AC (nominal range
of use 90 … 132 V), 48 … 63 Hz
or 200 … 240 V AC (nominal
range of use 180 … 264 V),
48 … 63 Hz
Power consumption
Approx. 35 VA, approx. 330 VA
with heated version
EMC
(Electromagnetic Compatibility)
In accordance with standard
requirements of NAMUR NE21
(08/98), EN 61326
Electrical safety
In accordance with EN 61010-1
• Heated units
• Unheated units
Overvoltage category II
Overvoltage category III
Dynamic response
Warm-up period
At room temperature < 30 min
(the technical specification will be
met after 2 hours)
Delayed display (t90-time)
< 1.5 s
Damping (electrical time constant)
0 … 100 s, parameterizable
Dead time (purging time of the gas
path in the unit at 1 l/min)
Approx. 0.5 s
Time for device-internal signal
processing
<1s
Pressure correction range
Pressure sensor
• Internal
500 … 2 000 hPa absolute
• External
500 … 3 000 hPa absolute
Measuring response (relating to sample gas pressure 1 013 hPa
absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature)
Fuse values (unheated unit)
• 100 ... 120 V
F3: 1 T/250; F4: 1 T/250
• 200 ... 240 V
F3: 0.63 T/250; F4: 0.63 T/250
Output signal fluctuation
< ± 0.75 % of the smallest possible measuring range according to
rating plate, with electronic
damping constant of 1 s (corresponds to ± 0.25 % at 2 σ)
Zero point drift
< ± 0.5 %/month of the smallest
possible span according to rating
plate
Measured-value drift
< ± 0.5 %/month of the current
measuring range
Repeatability
< 1 % of the current measuring
range
Detection limit
1 % of the current measuring
range
Linearity error
< 0.1 % of the current measuring
range
Fuse values (heated unit)
• 100 ... 120 V
• 200 ... 240 V
F1: 1 T/250; F2: 4 T/250
F3: 4 T/250; F4: 4 T/250
F1: 0.63 T/250; F2: 2.5 T/250
F3: 2.5 T/250; F4: 2.5 T/250
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
Field device
Influencing variables (relating to sample gas pressure 1 013 hPa
absolute, 0.5 l/min sample gas flow and 25 °C ambient temperature)
Ambient temperature
< 0.5 %/10 K relating to the smallest possible measuring range
according to rating plate, with
measuring span 0.5 %: 1 %/10 K
Sample gas pressure (with air
• When pressure compensation is
(100 hPa) as reference gas, correcswitched off: < 2 % of the current
tion of the atmospheric pressure
measuring range/1 % pressure
fluctuations is only possible if the
change
sample gas can vent to ambient air) • When pressure compensation is
switched on: < 0.2 % of the current measuring range/1 % pressure change
Carrier gases
Deviation from zero point corresponding to paramagnetic or diamagnetic deviation of carrier gas
Sample gas flow at zero point
< 1 % of the current measuring
range according to rating plate
with a change in flow of 0.1 l/min
within the permissible flow range;
heated version up to double error
Power supply
< 0.1 % of the current measuring
range with rated voltage ± 10 %
Electrical inputs and outputs
Analog output
0/2/4 … 20 mA, isolated; max.
load 750 Ω
Relay outputs
6, with changeover contacts,
freely parameterizable, e.g. for
measuring range identification;
load: 24 V AC/DC/1 A, isolated
Analog inputs
2, dimensioned for 0/2/4 ... 20 mA
for external pressure sensor and
residual gas influence correction
(correction of cross-interference)
Binary inputs
6, designed for 24 V, isolated,
freely parameterizable, e.g. for
measuring range switchover
Serial interface
RS 485
Options
AUTOCAL function with
8 additional binary inputs and
relay outputs each, also with
PROFIBUS PA or PROFIBUS DP
Climatic conditions
Permissible ambient temperature
-30 … +70 °C during storage and
transportation, 5 … 45 °C during
operation
Permissible humidity
< 90 % RH (relative humidity) as
annual average (maximum accuracy achieved after 2 hours), during storage and transportation
(dew point must not be undershot)
1/144
Siemens AP 01 · 2015
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
Field device
■ Selection and ordering data
OXYMAT 6 gas analyzer
For field installation
Article No.
7MB2011- 7 7 7 0 7 - 7 7 7 7
Cannot be combined
Click on the Article No. for the online configuration in the PIA Life Cycle
Portal.
Gas connections for sample gas and reference gas
Ferrule screw connection made of stainless steel (mat. no. 1.4571)
• Pipe with 6 mm outer diameter
• Pipe with ¼" outer diameter
Ferrule screw connection made of titanium
• Pipe with 6 mm outer diameter
• Pipe with ¼" outer diameter
Piping and gas connections made of Hastelloy C22:
7MB2011-0/1.... + order code D01 or D02
0
1
0
1
D02
D01
2
3
2
3
D01, D02, Y02
D01, D02, Y02
Smallest possible measuring span O2
0.5 % reference gas pressure 3 000 hPa
0.5 % reference gas pressure 100 hPa (external pump)
2 % reference gas pressure 3 000 hPa
A
B
C
2 % reference gas pressure 100 hPa (external pump)
5 % reference gas pressure 3 000 hPa
5 % reference gas pressure 100 hPa (external pump)
D
E
F
Sample chamber
Non-flow-type compensation branch
• Made of stainless steel, mat. no. 1.4571
• Made of tantalum
Flow-type compensation branch
• Made of stainless steel, mat. no. 1.4571
• Made of tantalum
Heating of internal gas paths and analyzer unit
None
With (65 ... 130 °C)
B B
B B B
Y02
D D
D D
Y02
F
F
F
Y02
F
A
B
C
D
C
D
0
1
1
Power supply
Standard unit and acc. to ATEX II 3G version (Zone 2)
• 100 ... 120 V AC, 48 ... 63 Hz
• 200 ... 240 V AC, 48 ... 63 Hz
ATEX II 2G versions (Zone 1), incl. certificate
• 100 ... 120 V AC, 48 ... 63 Hz, according to ATEX II 2G1)
(operating mode: leakage compensation)
• 200 ... 240 V AC, 48 ... 63 Hz, according to ATEX II 2G1)
(operating mode: leakage compensation)
• 100 ... 120 V AC, 48 ... 63 Hz, according to ATEX II 2G1)
(operating mode: continuous purging)
• 200 ... 240 V AC, 48 ... 63 Hz, according to ATEX II 2G1)
(operating mode: continuous purging)
Reference gas monitoring
Without
With
Add-on electronics
Without
AUTOCAL function
• With 8 additional digital inputs and 8 additional relay outputs
• With 8 additional digital inputs/outputs and PROFIBUS PA interface
• With 8 additional digital inputs/outputs and PROFIBUS DP interface
• With 8 additional digital inputs/outputs and PROFIBUS PA Ex-i
Language
German
English
French
Spanish
Italian
1)
0
1
2
2
2
2
E11, E12
3
3
3
3
E11, E12
6
6
6
6
E11, E12
7
7
7
7
E11, E12
A
B
A
B
A
B
E
F
G
E
F
E12
E12
0
1
2
3
4
See also next page, "Additional units for Ex versions".
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
Field device
■ Selection and ordering data
Additional versions
Order code
Cannot be
combined
Add "-Z" to Article No. and specify Order codes.
Set of Torx screwdrivers
A32
Kalrez gaskets in sample gas path
B01
TAG labels (specific lettering based on customer information)
B03
SIL conformity declaration (SIL 2) Functional Safety according to IEC 61508 and IEC 61511
C20
Gas connections and piping made of Hastelloy C22
• Outer diameter 6 mm
• Outer diameter ¼"
D01
D02
Ex versions
For possible combinations, see Table "Ex configurations – principle selection criteria", page 5/16
ATEX II 3G certificate; restricted breathing enclosure, non-flammable gases
E11
ATEX II 3G certificate; flammable gases
E12
FM/CSA certificate – Class I Div 2
E20
ATEX II 3D certificate; potentially explosive dust atmospheres
• In non-hazardous gas zone
E40
• In Ex zone acc. to ATEX II 3G, non-flammable gases
E41
gases1)
E42
BARTEC EEx p control unit "Leakage compensation"
E71
BARTEC EEx p control unit "Continuous purging"
E72
Clean for O2 service (specially cleaned gas path)
Y02
Measuring range indication in plain text, if different from the standard setting
Y11
Additional units for Ex versions
Article No.
• In Ex zone acc. to ATEX II 3G, flammable
Category ATEX II 2G (zone 1)
BARTEC EEx p control unit, 230 V, "leakage compensation"
BARTEC EEx p control unit, 115 V, "leakage compensation"
7MB8000-2BA
7MB8000-2BB
BARTEC EEx p control unit, 230 V, "continuous purging"
BARTEC EEx p control unit, 115 V, "continuous purging"
7MB8000-2CA
7MB8000-2CB
Ex isolation amplifier
Ex isolating relay, 230 V
Ex isolating relay, 110 V
7MB8000-3AB
7MB8000-4AA
7MB8000-4AB
Differential pressure switch for corrosive and non-corrosive gases
7MB8000-5AA
Stainless steel flame arrestor
Hastelloy flame arrestor
7MB8000-6BA
7MB8000-6BB
Category ATEX II 3G (Zone 2)
BARTEC EEx p control unit, 230 V, "continuous purging"
BARTEC EEx p control unit, 115 V, "continuous purging"
7MB8000-2CA
7MB8000-2CB
FM/CSA (Class I Div. 2)
Ex purging unit MiniPurge FM
7MB8000-1AA
Accessories
RS 485/Ethernet converter
RS 485/RS 232 converter
RS 485/USB converter
A5E00852383
C79451-Z1589-U1
A5E00852382
AUTOCAL function with 8 digital inputs/outputs
AUTOCAL function with 8 digital inputs/outputs and PROFIBUS PA
A5E00064223
A5E00057315
AUTOCAL function with 8 digital inputs/outputs and PROFIBUS DP
AUTOCAL function with 8 digital inputs/outputs and PROFIBUS PA Ex i (firmware 4.1.10 required)
Set of Torx screwdrivers
A5E00057318
A5E00057317
A5E34821625
1)
Only in connection with an approved purging unit
1/146
Siemens AP 01 · 2015
E20
E20
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
Field device
■ Dimensional drawings
º &$/20$7
s
OXYMAT 6, field unit, dimensions in mm
Siemens AP 01 · 2015
1/147
1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
Field device
■ Schematics
Pin assignment (electrical and gas connections)
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0
0
0
0
0
Ω
0
OXYMAT 6, field unit, connector and terminal assignment
1/148
Siemens AP 01 · 2015
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© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
Field device
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OXYMAT 6, field unit, connector and terminal assignment of the AUTOCAL board and PROFIBUS connectors
Siemens AP 01 · 2015
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1
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
1
Field device
a
b
c
d
7
5
1
3
2
4
e
8
6
Gas connections
1
not used
2
Sample gas inlet
3
Reference gas inlet
4
Sample gas outlet
Electrical connections
Clamping
gland for pipe
Ø 6 mm or ¼"
5 - 8 Purging gas inlets/outlets stubs Ø 10 mm or 3/8 "
OXYMAT 6, field unit, gas and electrical connections
Documentation
■ Selection and ordering data
Operating instructions
Article No.
ULTRAMAT 6 / OXYMAT 6
Gas analyzer for IR-absorbing gases
and oxygen
• German
C79000-G5200-C143
• English
C79000-G5276-C143
• French
C79000-G5277-C143
• Spanish
C79000-G5278-C143
• Italian
C79000-G5272-C143
1/150
Siemens AP 01 · 2015
a-c
Signal cable (Ø 10 ... 14 mm)
(analog + digital): cable gland M20x1.5
d
Interface connection: (Ø 7 ... 12 mm)
cable gland M20x1.5
e
Power supply: (Ø 7 ... 12 mm)
cable gland M20x1.5
© Siemens AG 2015
Continuous Gas Analyzers, extractive
OXYMAT 6
Suggestions for spare parts
■ Selection and ordering data
Description
7MB2021
7MB2011 7MB2011 Ex
2 years
5 years
(quantity) (quantity)
Article No.
Analyzer unit
O ring (sample cell)
x
x
x
2
4
C71121-Z100-A159
O ring (fitting)
x
x
x
1
2
C74121-Z100-A6
O-ring (measuring head)
x
x
x
2
4
C79121-Z100-A32
x
x
-
1
C79451-A3277-B22
Spacer
Sample chamber, stainless steel, mat. no. 1.4571;
non-flow-type compensation branch
x
x
x
-
1
C79451-A3277-B535
Sample chamber, tantalum, non-flow-type
compensation branch
x
x
x
-
1
C79451-A3277-B536
Sample chamber, stainless steel, mat. no. 1.4571;
flow-type compensation branch
x
x
x
-
1
C79451-A3277-B537
Sample chamber, tantalum, flow-type
compensation branch
x
x
x
-
1
C79451-A3277-B538
Measuring head, non-flow-type compensation
branch
x
x
x
1
1
C79451-A3460-B525
Measuring head, flow-type compensation branch
x
x
x
1
1
C79451-A3460-B526
Magnetic field connection plate
x
x
x
-
1
C79451-A3474-B606
Temperature sensor
x
x
-
1
C79451-A3480-B25
Heating cartridge
x
x
-
1
W75083-A1004-F120
Sample gas path
Pressure switch (sample gas)
x
1
2
C79302-Z1210-A2
Flowmeter
x
1
2
C79402-Z560-T1
Restrictor, stainless steel, mat. no. 1.4571; hose
gas path
x
2
2
C79451-A3480-C10
Restrictor, titanium, pipe gas path
x
x
x
2
2
C79451-A3480-C37
Reference gas path, 3000 hPa
x
x
x
1
1
C79451-A3480-D518
Capillary, 100 hPa, connection set
x
x
x
1
1
C79451-A3480-D519
Restrictor, stainless steel, mat. no. 1.4571; pipe
gas path
x
x
x
1
1
C79451-A3520-C5
Temperature controller - electronics, 230 V AC
x
x
-
1
A5E00118527
Temperature controller - electronics, 115 V AC
x
x
-
1
A5E00118530
x
1
2
A5E00061505
1
1
C79165-A3042-B505
Electronics
Fusible element (analyzer fuse) T 0.125 A/250 V
Front plate with keyboard
x
Motherboard, with firmware: see spare parts list
x
x
-
1
Adapter plate, LCD/keyboard
x
x
1
1
C79451-A3474-B605
LC display
x
x
1
1
W75025-B5001-B1
Connector filter
x
x
-
1
W75041-E5602-K2
-
1
W75054-T1001-A150
Temperature fuse (heated version only)
x
x
x
Fusible element, T 0.63 A/250 V
x
x
x
2
3
W79054-L1010-T630
Fusible element, T 1 A/250 V
x
x
x
2
3
W79054-L1011-T100
x
x
2
3
W79054-L1011-T250
Fusible element, T 2.5 A/250 V
If the OXYMAT 6 was supplied with a specially cleaned gas path for high oxygen context ("Clean for O2 service"), please ensure that
you specify this when ordering spare parts. This is the only way to guarantee that the gas path will continue to comply with the special
requirements for this version.
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1