Dräger Polytron 7000 User manual
Dräger Polytron 7000
Approved as type P3U and type P3FB
Instructions for use
Dräger Polytron 7000
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Contents
Dräger Polytron 7000Approved as type P3U and type P3FB
Contents
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Safety-related information
1 Safety-related information
1.1 General safety notes
– Before using this product, carefully read the instructions for use.
– Strictly follow the instructions for use. The user must fully understand and strictly
observe the instructions. Use the product only for the purposes specified in the
Intended use section of this document.
– Do not dispose of the instructions for use. Ensure that they are retained and
appropriately used by the product user.
– Only trained and competent users are permitted to use this product.
– Comply with all local and national rules and regulations associated with this
product.
– Only trained and competent personnel are permitted to inspect, repair and
service the product as detailed in these Instructions for Use (see chapter 8).
Further maintenance work that is not detailed in these Instructions for Use must
only be carried out by Dräger or personnel qualified by Dräger.
Dräger recommends a Dräger service contract for all maintenance activities.
– Only use genuine Dräger spare parts and accessories when performing
maintenance work, or the proper functioning of the product may be impaired.
– Do not use a faulty or incomplete product. Do not modify the product.
– If a pump module is used, care must be taken when opening the gas detector.
Through an existing glass tube there is risk of breakage and injury.
– If a pump module is used, do not block the lower gas inlet of the pump module.
This can destroy the sensor.
1.2 Use in areas subject to explosion hazards
– Equipment and components which are used in explosion-hazard areas and
which have been inspected and approved in accordance with international or
European explosion-protection regulations may be used only under the
specified conditions.
– In applications, which require devices of category 1G (zone 0) resp. EPL Ga,
intensive electrostatic charging processes have to be prevented.
– Not for use in oxygen enriched atmospheres, i.e. more than 21 Vol% oxygen.
– If fitted at the time of delivery, or retrofitted at a later stage, with the relay module
and/or the pump module, the device loses its explosion protection approval.
Operation of the device with the pump module and/or the relay module installed
is not permitted in explosion-hazard areas.
– When measured gas is aspirated from explosion-hazard areas, suitable
explosion protection measures are required, e.g. use of flame arresters.
1.3 Electrical installation
– The relevant regulations for routing and connecting of power and signal lines to
gas detection systems must be strictly adhered to.
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Conventions in this document
– The electric network (gas detector and alarm devices) in which the gas detector
is installed must be equipped with a circuit breaker or a fuse.
– The circuit breaker or fuse must be easily accessible and must be marked as
belonging to the gas detector.
– Observe the operational temperature range of the cables. Electric strength of
the cable insulation corresponding to the supply for the alarm devices that are
connected to the relays.
– If the gas detector is not connected to a controller, an alarm signalling device
must be connected to the fault relay.
1.4 Detection and measurement of oxygen in line with EN
50104
– P3U is certified with the EU type examination certificate BVS 03 ATEX E 406 X
and the type examination certificate PFG 16 G 005 X for the measurement of
oxygen.
– The certified measuring function concerns the measuring range 0 to 25 % O2
(v/v) for the purpose of measuring inertisation (BVS 03 ATEX E 406 X) plus the
monitoring of the ambient air for oxygen deficiency and surplus
(PFG 16 G 005 X).
– Only configure alarms as “non-acknowledgeable”.
– Only use the readouts on the 4-20 mA analogue output or the switching states of
the relays for purposes relating to safety.
– Approved sensors and components:
– DrägerSensor O2LS (6809630)
– DrägerSensor O2(6809720)
– Remote sensor (8317275)
– Relay module (8317360)
2 Conventions in this document
2.1 Meaning of the warning notes
The following alert icons are used in this document to provide and highlight areas of
the associated text that require a greater awareness by the user. A definition of the
meaning of each icon is as follows:
Alert icon Signal word Consequences in case of nonob-
servance
WARNING Indicates a potentially hazardous situation
which, if not avoided, could result in death
or serious injury.
CAUTION Indicates a potentially hazardous situation
which, if not avoided, could result in injury.
It may also be used to alert against unsafe
practices.
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Description
2.2 Trade marks
– HART®is a registered trademark of the HART Communication Foundation.
– PROFIBUS®is a registered trademark of the PROFIBUS Nutzerorganisation
e. V.
– FOUNDATIONTM is a registered trademark of the Fieldbus Foundation.
3 Description
3.1 Product overview
3.2 Functional description
The Dräger Polytron 7000 is a stationary gas detector and is used for the
monitoring of toxic gases and oxygen. The device converts the measured gas
concentration into an electrical signal for further processing.
Frequency of the calculation of the measured value: 1 x per second (updating of the
display, the 4-20-mA interface and the relays).
NOTICE Indicates a potentially hazardous situation
which, if not avoided, could result in dam-
age to the product or environment.
Alert icon Signal word Consequences in case of nonob-
servance
29089
1 Control panel with display
(see section 4)
2 Sensor
3 Bayonet ring
4 Docking Station
5 Measurement module
Polytron
OK
M
1
2
3
4
5
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Description
3.3 Configuration options
Ex works, the gas detector is configured with different interfaces and accessories.
3.3.1 Sensors
The gas detector is intended for the use of the DrägerSensor EC (electrochemical).
The measuring function in line with EN 50104 is certified with the oxygen sensors
O2(6809720) and O2LS (6809630).
3.3.2 Interfaces
3.3.3 Accessories
Interface Type Explosion protec-
tion approval
4-20 mA P3U Yes
4-20 mA/HART P3U Yes
PROFIBUS PA P3FB Yes
FOUNDATION Field-
bus H1
P3FB Yes
LON (Local Operating
Network)
–No
Accessories Function Explosion protec-
tion approval
Pump module
(8317350)
Aspiration of measured gas No
Relay module
(8317360)
Local switching of actuators No
Daisy chain installa-
tion kit (8317282)
Connection of multiple gas detec-
tors to one bus line (multidrop
installation)
Yes
Remote sensor
(8317275)
Installation of the sensor at a dis-
tance of up to 30 m from the mea-
surement module.
Yes
Duct and pipe adapter
(Duct mounting kit)
Installation of the gas detector to
a pipe in order to measure the gas
concentration inside it.
Yes
Duct adapter for
remote sensor
(8317617)
Installation of a remote sensor to
a pipe in order to measure the gas
concentration inside it.
Yes
Calibration adapter V
(6810536)
Supply of test gas No
Calibration
adapter AC
(6809380)
Supply of test gas together with
the pump adapter (8317976)
No
Pump adapter
(8317976) for AC sen-
sor
Gassing of an AC sensor by
means of the pump integrated in
the gas detector
No
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Description
For information about additional accessories refer to the corresponding Dräger
product information.
3.4 Intended use
In combination with the integrated DrägerSensor, the gas detector is intended for
continuous monitoring of gas concentrations.
For installation in:
3.5 Approvals
Depending on the interface, the gas detector is approved under the type
designation P3U or P3FB (see section 3.3.2 Interfaces).
3.5.1 ATEX
Device marking in accordance with 2014/34/EU
Types P3U & P3FB
BVS 03 ATEX E 406 X
Dongles Activation of additional functions
Sensor-test don-
gle (8317619)
Sensor test functions that ensure
the reliability and functionality of
the sensor and of the gas warning
device
Yes
Diagnostic dongle
(8317860)
Sensor diagnostics feature
(including sensor tests) to deter-
mine the strain and the remaining
sensor life time
Yes
Data dongle
(8317618)
Data and event logging feature –
stores measured values and
events such as alarms and faults.
Enables graphic plotting of the
measured values on a 15-minute
time axis.
Yes
Accessories Function Explosion protec-
tion approval
Explosion-hazard
area
Zones 0, 1, 2; Mining
Category 1G, 2G, 3G; M1
UL-/CSA area Class I & II; Div. 1 & 2
II 1G / I M1
Ex ia IIC T4 Ga -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
Ex ia IIC T6 Ga -40 °C ≤Ta ≤+40 °C
(-40 °F ≤Ta ≤+104 °F)
0158
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Description
Power supply: Ui= 30 V, Ii= 0.3 A, Pi= 700 mW, Ci= 5 nF, Li= 50 μH
Year of manufacture (via serial number)1)
Dräger Safety, 23560 Lübeck, Germany
Type P3U
Safety-related characteristic values for the supply and signal circuit (outer terminals
of the docking station):
Ui = 30 V, Ii= 0.3 A, Pi= 700 mW, Ci= 5 nF, Li= 50 μH
Type P3FB
FISCO bay unit
Power supply: Ui= 24 V, Ii= 0.38 A, Pi= 5.32 W, Ci= 5 nF, Li= 10 μH
3.5.2 IECEx
Types P3U & P3FB
IECEx BVS 04.0003X
Year of manufacture (via serial number)*
Dräger Safety, 23560 Lübeck, Germany
Type P3U
Power supply: Ui= 30 V, Ii= 0.3 A, Pi= 700 mW, Ci= 5 nF, Li= 50 μH
Ex ia I Ma -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
II 3G
Ex ic IIC T4 Gc -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
Ex ic IIC T6 Gc -40 °C ≤Ta ≤+40 °C
(-40 °F ≤Ta ≤+104 °F)
1) Structure of the serial numbers: The third letter of the serial number indicates the year of man-
ufacture: M = 2019, N = 2020, P = 2021, R = 2022, S = 2023, T = 2024, U = 2025,
W = 2026, X = 2027, Y = 2028, Z = 2029 etc. (letters G, I, O, Q are omitted)
Example: Serial number ARMB-0001: The third letter is M, meaning that the device was man-
ufactured in 2019.
0158
Ex ia IIC T4 Ga -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
Ex ia IIC T6 Ga -40 °C ≤Ta ≤+40 °C
(-40 °F ≤Ta ≤+104 °F)
Ex ia I Ma -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
Ex ic IIC T4 Gc -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
Ex ic IIC T6 Gc -40 °C ≤Ta ≤+40 °C
(-40 °F ≤Ta ≤+104 °F)
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Description
Type P3FB
FISCO bay unit
Power supply: Ui= 24 V, Ii= 0.38 A, Pi= 5.32 W, Ci= 5 nF, Li= 10 μH
3.5.3 UL
Types P3U & P3FB
Only in accordance with intrinsic safety classified for operation in explosion-hazard
areas.
Class I, Div. 1&2, Groups A, B, C, D
Class II, Div. 1&2, Groups E, F, G
Use in accordance with Dräger control drawing SE20105.
Type P3U
Power supply: Vmax = 30 V, Imax = 0.3 A, Pi= 700 mW, Ci= 5 nF, Li= 50 μH
Type P3FB
FISCO bay unit
Power Supply: Vmax = 24 V, Imax = 0.38 A, Pmax = 5.32 W, Ci= 5 nF, Li= 10 μH
3.5.4 CSA
Types P3U & P3FB
Intrinsic safety
Class I, Div. 1, Groups A, B, C, D
Class II, Div. 1, Groups E, F, G
Use in accordance with Dräger control drawing SE20106.
Type P3U
Power supply: Vmax = 30 V, Imax = 0.3 A, Pmax = 700 mW, Ci= 5 nF, Li= 50 μH
Type P3FB
FISCO bay unit
Power supply: Vmax = 24 V, Imax = 0.38 A, Pmax = 5.32 W, Ci= 5 nF, Li= 10 μH
3.5.5 Detection and measurement of oxygen in line with EN 50104
The measuring function in line with EN 50104 is certified from software version 8.6
onwards.
Measuring function for explosion protection
BVS 03 ATEX E 406 X
T4 -40 °C ≤Ta ≤+65 °C
(-40 °F ≤Ta ≤+149 °F)
T6 -40 °C ≤Ta ≤+40 °C
(-40 °F ≤Ta ≤+104 °F)
NRTL/C
®LR97594
Device configuration Measuring range Purpose
Type P3U with DrägerSen-
sor O2LS (6809630) or
O2(6809720)
0 to 25 vol.-% O2Inertisation measurement
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Use
Measurement of oxygen
PFG 16 G 005 X
The pump module is not part of the EU type examination certificate BVS 03 ATEX E
406 X and the type examination certificate PFG 16 G 005 X.
4 Use
In addition to the control panel, the unit can also be operated using, for example,
the Dräger PolySoft software, FDT applications or manual control units.
If individual parameters were changed with a configuration software, all parameters
from the device must be read back and verified manually.
4.1 Display
4.1.1 Measuring mode
4.1.2 Special state
No monitoring of the gas concentration and/or alarm state occur in the special state.
Special states on the gas detector exist in the following cases:
– Negative gas concentration
– Fault
Device configuration Measuring range Purpose
Type P3U with DrägerSen-
sor O2LS (6809630) or
O2(6809720)
0 to 25 vol.-% O2Detection of oxygen defi-
ciency and oxygen surplus
Example display Description
Normal operation – The display shows the gas con-
centration, the measured gas and the unit of mea-
sure.
Overshooting (in the case of O2also undershooting)
of the alarm thresholds – The display in the exam-
ple shows the pre-alarm A1.
Overshooting the full scale value specified for the
sensor (see instructions for use/data sheet for the
sensor)
4-20-mA interface: Full-scale value
Relay: A2 relay energised
O2Vol.%
20.9
O2A1
19.0
O2A2
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Use
– Disabled alarms (display readout and analogue/digital measured value readout
remains active)
– Calibration procedures
– Warm-up phase
– Maintenance
Conduct during warm-up phase 1
4-20-mA interface: Maintenance signal
Relay: Fault relay energised
During warm-up phase 1 the display shows the time remaining until warm-up phase
1 is completed.
Conduct during warm-up phase 2
4-20-mA interface: Measured value
Relay: Fault relay not energised
During warm-up phase 2 the display shows the measured value.
Undershooting the measuring range (O2sensors only)
If the measured value drops below the measuring range set, the 4-20-mA interface
emits 3.8 mA ... to 4 mA and the display shows the symbol .
If the measured value drops further, the gas detector behaves in the same way as
for a general error. The 4-20-mA interface issues the fault signal, the display shows
the symbol and the fault relay is energised.
Undershooting the measuring range is a non-latching error. If the measured value is
again in the measuring range, the error is no longer issued.
Example display Description
Maintenance – When certain functions are invoked
(e.g. calibration, sensor replacement function), the
display shows the symbol .
4-20-mA interface: Maintenance signal
Relay: Energised or not energised depending on
function
General error – The display shows the symbol .
4-20-mA interface: Fault signal
Relay: Fault relay energised
A warning is present. The display shows the
symbol
4-20-mA interface: Measured value1)
Relay: Fault relay energised (with a disabled alarm)
1) The warning signal is also issued for the measured value when a warning signal is selected.
Factory setting: Warning signal disabled.
O2Vol.%
20.9
O2Vol.%
20.9
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Use
4.1.3 Meaning of the symbols
Symbols on the right side of the displays indicate the device state. Some symbols
are only displayed if the gas detector is operated with the corresponding
component.
4.1.4 LED indication for LON version
The LON version of the gas detector has three LEDs located behind the display.
Symbol Explanation
A fault is present. Fault signal is issued.
A warning is present. A warning signal is issued.1)
1) If the device is in maintenance mode (e.g. warm-up phase 1), the maintenance signal is issued
instead of the warning signal.
A maintenance signal is issued.
Pump is installed.
Pump flow error
The configured full scale value is overshot in the 4-20 mA inter-
face
The configured threshold limit value is undershot in the 4-20-
mA interface.
Polling address of the analogue interface is set to a fixed value
(Multidrop operation) and transmits via HART.
Sensor diagnostic function – The sensor is ready for operation.
Sensor diagnostic function – The sensor is ready for operation
but nearing the end of its operating lifetime.
Sensor diagnostic function – The sensor is ready for operation
but should be replaced soon.
The buffer mode of the data logger is set to overwriting (roll).
The buffer mode of the data logger is set to holding (stack).
LED display Meaning
The green LED
is illuminated
The gas detector is functioning properly.
The green LED
is flashing
A warning is present.
Orange LED The gas detector communicates with the control unit via LON.
Red LED An error is present.
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Use
4.1.5 Checking the display for proper functioning
In order to recognise defective pixels in the display, it is possible to invoke the
Show Fault Codes menu image.
The menu image is suited since it shows many contiguous pixels, making it
possible to recognise line, column or individual pixel faults. Displayed fault codes
are not relevant in this context.
1. Open the menu (see chapter 4.4.3).
2. In the menu, select Information > Instrument > Show Fault Codes.
3. Check if all pixels are displayed.
4.2 Control panel
4.3 Info mode and function key
4.3.1 Info mode
In measuring mode, the Info mode can additionally be activated. It provides an
overview of device information presented on multiple pages.
29262
1 Up key or function key
2 Down key or menu key
3 OK key
Polytron
OK
M
3
2
1
Example display Description
Page 1 Device information
Line 1 – Date and time
Line 2 – Software version
Line 3 – Device part no.
Line 4 – Device serial no.
Line 5 – Device code
Page 2 Sensor information
Line 1 – Sensor name
Line 2 – Sensor part no.
Line 3 – Sensor serial no.
Line 4 – EEPROM type
Line 5 – EEPROM version
07.11.2011 12:34
SW Version
: 8.0
Part No.
: 8317778
Serial No.
: ARUA0001
DeviceCode: 00006317
Instrument Info
1/4
2/4
Sensorname: O
2
Part No.
: 6809630
Serial No.
: XXXXXXX
EEPROM Typ
: 1
EEPROM Vers.: 1
Sensor Info
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Use
4.3.2 Activating Info mode
●In measuring mode, press and hold down for approx. 3 seconds.
4.3.3 Navigation in Info mode
After 30 seconds without key operation, the gas detector automatically exits the Info
mode.
4.3.4 Using the function key
The function key can be used to directly invoke a function that has been assigned to
the function key. By default, the error log is displayed.
●In measuring mode, press and hold down for approx. 1 second.
For configuring of the function key (see section 9.7 Configuring the function key).
4.4 Menu
4.4.1 Menu navigation
Page 3 Sensor settings
Line 1 – Gas name
Line 2– Measuring range (cannot be edited) and
unit of measurement
Line 3 – Measuring range for the analogue interface
Displayed only if the analogue interface card is
installed
Line 4 – Alarm threshold A1 and unit 1)
Line 5 – Alarm threshold A2 and unit 1)
Page 4 2) Pump information
Line 1 – Pump output
Line 2 – Flow threshold for error
Line 3 – Flow threshold for warning
Line 4 – Running time of the pump
1) Displayed only if a relay module is used!
2) Displayed only if a pump module is used!
Example display Description
3/4
Gasname : O2
Range : 25.00 Vo
4–20 SP : 25.00 Vo
Alarm A1 : 19.00 Vo
Alarm A2 : 23.00 Vo
Sensor Config.
4/4
Power : XXX %
Fault : X.X l/min
Warning : X.X l/min
Op.time : XXXX h
Pump info
Key Function
Scrolls to the next page.
Scrolls to the previous page.
Exits Info mode.
M
OK
Key Function
Navigates upward.
Sets values.
Navigates downward.
Sets values.
M
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Use
4.4.2 Passwords
For setting the passwords, see section 9.3.
4.4.3 Opening the menu
●To open the Information directly: In measuring mode, press and hold down
for approx. 1 second.
●To open the Information and Calibration menus:
a. In measuring mode, press and hold down for approx. 3 seconds.
b. Select Enter password.
c. Enter the calibration password.
●To open all menus:
a. In measuring mode, press and hold down for approx. 3 seconds.
b. Select Enter password.
c. Enter the settings password.
4.4.4 Reading out information
In the menu Information choose the appropriate menu item:
Confirms inputs.
Selects menus and functions.
Key Function
OK
Calibration password Access to
–Information menu
–Calibration menu
Factory setting: _ _ _ 1
Settings password Access to
–Information menu
–Calibration menu
–Settings menu
Factory setting: _ _ _ 2
M
M
M
Instrument
Show Notice Shows existing warnings. For troubleshooting with respect
to the warning number displayed
(e.g. #58) see section 7.2.
If multiple warnings are present, this is indicated (e.g. 1/3 =
page 1 of 3.).
Show Fault Shows existing errors. For troubleshooting with respect to
the error number displayed (e.g. #100) see section 7.1.
If multiple errors are present, this is indicated (e.g. 1/3 =
page 1 of 3.).
Show Fault
Codes
Shows present error and warning codes in a table. If all
numerical groups are displayed with "00", no error is pres-
ent.
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Installation & commissioning
5 Installation & commissioning
5.1 Mounting the measurement module
5.1.1 Preparing the docking station
Prerequisite:
– Docking station is mounted and wired.
(as per assembly instructions Dräger Docking Station for Polytron®3000/7000)
1. Remove the dust and rain protector, if in place.
2. Inspect the sealing of the docking station for contamination, clean if necessary.
3. From the inside, check the position of the eccentric screws.
The screws must be in engaged position, with the eccentric opening pointing
upward.
4. Using a 5 mm Allen key (without spherical head), correct the position of the
eccentric screws, if necessary.
Show Module Shows the installed hardware modules. To show detailed
information, select module in the menu.
= The module is installed
= The module is not installed
The detailed information also shows the software version of
the module which is used.
Sensor
Vitality1) Shows the remaining sensor vitality in %.
Dräger recommends to replace the sensor when the vitality
< 25 %.
Last Cal. Date Shows the date of the last calibration.
Next Cal. Date Shows the due date for the next calibration.
Show sensort-
emp.
Shows the current and the max. measured sensor tem-
perature values.
Datalogger
Datalogr. sta-
tus2)
Shows for the data logger and for the event logger respec-
tively whether they are switched on or off.
Show graph2) Represents the measured values on a time axis of 15 min-
utes.
1) Only works with the diagnostic dongle
2) Only works with the data dongle
30567
,QVWUXFWLRQVIRUXVH_ Dräger Polytron 7000
Installation & commissioning
5.1.2 Connecting the measurement module with the docking station
NOTICE
Ingress of humidity
If the measurement module is not flush with the docking station, humidity can enter,
damaging the gas detector.
►Make sure that the measurement module is correctly seated in the docking
station.
1. Horizontally slide the measurement module into the docking station and lower it.
The front of the measurement module is flush with the docking station. A gap
of approx. 3 mm (0.12") remains at the top between docking station and
measurement module.
2. Using the 5 mm Allen key (without spherical head), turn the eccentric screws
approx. 180° in clockwise direction towards .
The gap at the top between docking station and measurement module
closes.
The measurement module is locked.
5.2 Installing the sensor
If the gas detector is already switched on and an existing sensor is to be
replaced, see section 8.2.
Prerequisite:
– Measurement module is installed.
1. Loosen the hexagon socket screw at the bayonet ring.
2. Unscrew the bayonet ring from the gas detector.
3. Remove the blank disk.
4. With the Dräger logo pointing forward, insert the sensor into the sensor opening.
5. Screw the bayonet ring back on.
6. Tighten the hexagon socket screw at the bayonet ring.
30569
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