The TDL head should be easily accessible. A person should be able to stand in
front of it and adjust the M16 xing bolts using two standard spanners. There
should be at least 60 cm free space measured from the ange xed to the stack
and outwards as shown below.
60 cm (23.6")
Flange requirements
min. clearance: 61,5 mm
(schedule 40)
DIN 50 or ANSI 2"
min. clearance: 77,5 mm
(schedule 80)
100 mm
(4")
DIN 65 or ANSI 2½"
7
Quick Setup Guide TDL GPro™ 500
DIN
DN50/PN25DN65/PN25
DN 50
100 mm100 mm
DN100
min. Ø 54 mm
min. Ø 67 mm
DN65
ANSI
4"
min. 2.12"
2"
min. 2.64"
ANSI 2.5"/300 lbsANSI 2"/300 lbs
2.5"
4"4"
When deciding the placement of the GPro™ 500 TDL in the process, we recom-
Flow conditions at
measuring point
mend a minimum of 5 stack diameters of straight duct before and 3 stack diameters of straight duct after the point of measure.
This will lead to laminar ow conditions which is favorable for stable measurement conditions.
8
Quick Setup Guide TDL GPro™ 500
Purging
1 Purge gas inlet for instrument side (6 mm or ¼" tube tting).
2 Purge gas inlet for process side (must have a check valve).
3 Purge gas outlet for instrument side (6 mm or ¼" tube tting).
4 Process gas ow.
5 Region that denes the boundaries of the effective path length.
0…1 L /min
0…10 L /min
RotameterPressure regulator
WARNING
Always start purging at maximum flow before starting the process.
WARNING
Purging must always be switched on in order
to avoid dust deposition onto the optical surfaces.
WARNING
Do not remove and / or disassemble the purge gas inlet for processes (2).
If disassembled, the PED pressure certificate is void.
WARNING
Do not connect instrument and process side purging in series, otherwise
when disassembling the sensor heat the probe purging will stop.
9
Quick Setup Guide TDL GPro™ 500
Purging
with
thermalbarrier
Purging configuration
1 Purge gas inlet for thermal barrier (6 mm or ¼" tube tting)
2 Purge gas outlet for thermal barrier (6 mm or ¼" tube tting)
3 Purge gas inlet for process side (Must have a check valve)
4 Mandatory check valve (to be supplied by the user)
214
3
WARNING
The purge gas for the thermal barrier must always be turned on
when the process is running in order to protect the sensor head
from permanent damage.
10
WARNING
The failure of the instrument side and thermal barrier purging
system must trigger an alarm. This alarm has to be implemented
in th DCS ny the user.
Quick Setup Guide TDL GPro™ 500
Grounding
andwiring(ATEX)
External earth point
for > 4 mm
(M6 × 12)
2
cables
Exernal earth point.
11
Quick Setup Guide TDL GPro™ 500
RS-485 A
Activeanaloginputs(ATEXVersion)
ACTIVE ANALOG INPUTS
24 VDC
User-provided
GND
Red
Blue
Junction Box
GND
24 VDC
Green
Yellow
Brown
+
Purple
+
xT
–
100 mm
+
xT
Power
L N
M400
–
24 VDC
Analog
Outputs
GND
Ethernet
1
24 VDC
GND
2
3
RS-485 A
RS-485 B
4
5
RS-485 GND
6
+Ain 1 4…20 mA
7
–Ain 1 4…20 mA
8
+Ain 2 4…20 mA
9
–Ain 2 4…20 mA
10
24 VDC
11
Aout 1
Aout 2
12
13
TX+
14
TX–
15
RX+
16
RX–
Black
Pink
Grey
Red/Blue
Grey/Pink
White
White/Yellow
Yellow/Brown
White/Green
Brown/Green
987654321
+
–
–
16151413121110
TB4
987654321
Pressure
(4")
Temperature
24 VDC Power 0.2 A (5W)
M400 TB4
Temperature sensor
Pressure sensor
2x 4…20 mA
passive analog outputs
Ethernet
6
7
8
RS-485 GND
RS-485 B
RS-485 A
12
RS-485
GND
20 – 30 VDC or
100 – 230 VAC +/– 10%
Quick Setup Guide TDL GPro™ 500
Looppoweredanaloginputs(ATEX)
User-provided
Red
Blue
Junction Box
GND
24 VDC
Green
Yellow
Brown
Purple
Black
SENSOR IN
xT
GND
24 VDC
100 mm
(4")
Pressure
Temperature
SENSOR IN
xT
Pink
Grey
Red/Blue
Grey/Pink
White
White/Yellow
Yellow/Brown
White/Green
Brown/Green
GND
987654321
TB4
16151413121110
M400
Power
L N
987654321
24 VDC
Analog
Outputs
Ethernet
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24 VDC
GND
RS-485 A
RS-485 B
RS-485 GND
Sensor In
GND
Sensor In
GND
24 VDC
Aout 1
Aout 2
TX+
TX–
RX+
RX–
24 VDC Power 0.2 A (5W)
M400 TB4
Temperature sensor
Pressure sensor
2x 4…20 mA
passive analog outputs
Ethernet
6
7
8
RS-485 GND
RS-485 B
RS-485 A
RS-485
GND
20 – 30 VDC or
100 – 230 VAC +/– 10%
WARNING
All openings have to be closed with certified cable glands
or blocking plugs of the same degree of certification as the GPro™ 500.
WARNING
It is essential that you observe all provided information
and warnings. The system must be closed and grounded
before switching on the system.
13
Quick Setup Guide TDL GPro™ 500
Groundingandwiring(FM)
External earth point
for > 4 mm
(M6 ×12)
2
cables
Exernal earth point.
Protective grounding
Material: chromated AISi7Mg0.3
Size: M6 × 12 mm
Protective grounding.
14
2 options for inner protective grounding
Material: 1.4404 (AISI 316L)
Size: M4 × 6 mm
Hex cap screw
Connect with 4 mm2 cable
Quick Setup Guide TDL GPro™ 500
RS-485 A
Activeanaloginputs(FMVersion)
ACTIVE ANALOG INPUTS
24 VDC
User-provided
GND
Red
Blue
Junction Box
GND
24 VDC
Green
Yellow
Brown
+
Purple
+
xT
–
100 mm
+
xT
Power
L N
M400
–
24 VDC
Analog
Outputs
GND
Ethernet
1
24 VDC
GND
2
3
RS-485 A
RS-485 B
4
5
RS-485 GND
6
+Ain 1 4…20 mA
7
–Ain 1 4…20 mA
8
+Ain 2 4…20 mA
9
–Ain 2 4…20 mA
10
24 VDC
11
Aout 1
Aout 2
12
13
TX+
14
TX–
15
RX+
16
RX–
Black
Pink
Grey
Red/Blue
Grey/Pink
White
White/Yellow
Yellow/Brown
White/Green
Brown/Green
987654321
+
–
–
16151413121110
TB4
987654321
Pressure
(4")
Temperature
24 VDC Power 0.2 A (5W)
M400 TB4
Temperature sensor
Pressure sensor
2x 4…20 mA
passive analog outputs
Ethernet
6
7
8
RS-485 GND
RS-485 B
RS-485 A
RS-485
GND
20 – 30 VDC or
100 – 230 VAC +/– 10%
15
Quick Setup Guide TDL GPro™ 500
Looppoweredanaloginputs(FMVersion)
User-provided
Red
Blue
Junction Box
GND
24 VDC
Green
Yellow
Brown
Purple
Black
SENSOR IN
xT
GND
24 VDC
100 mm
(4")
Pressure
Temperature
SENSOR IN
xT
Pink
Grey
Red/Blue
Grey/Pink
White
White/Yellow
Yellow/Brown
White/Green
Brown/Green
GND
987654321
TB4
16151413121110
M400
Power
L N
987654321
24 VDC
Analog
Outputs
Ethernet
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
24 VDC
GND
RS-485 A
RS-485 B
RS-485 GND
Sensor In
GND
Sensor In
GND
24 VDC
Aout 1
Aout 2
TX+
TX–
RX+
RX–
24 VDC Power 0.2 A (5W)
M400 TB4
Temperature sensor
Pressure sensor
2x 4…20 mA
passive analog outputs
Ethernet
6
7
8
RS-485 GND
RS-485 B
RS-485 A
16
RS-485
GND
20 – 30 VDC or
100 – 230 VAC +/– 10%
Quick Setup Guide TDL GPro™ 500
GPro™ 500 cables
SignalDescriptionCable no.ColorTB1TB2
Junction BoxPin noPin no
Power + 24 V
GND (Power)2Blue2
Power 24 V, 5 W
RS 485 A
RS 485 B4Yellow4
Interface M400
(RS 485)
1Red1
3Green3
RS 485 GND5Brown5
4...20 mA pos
4...20 mA neg7Black7
4...20 mA pos
4...20 mA neg9Grey9
+ 24 V
Out 111
Out 212White12
Current input
temperature
Current input
pressure
Direct anolog output
(2 3 4 … 20 mA)
(optional)
TX+
TX–14
RX+15
Ethernet interface
for communication
with PC
RX–16
6Purple6
8Pink8
10
Red / Blue10
Grey / Pink11
13
White / Yellow1
Yellow / Brown2
White / Green3
Brown / Green4
1 Connection terminal for the power cable
2 TB4 – connection terminal for the GPro™ 500
3 TB1 – connection terminal for the relays.
These can be congured with the M400.
- +
N L
POWER
1
2
19
Quick Setup Guide TDL GPro™ 500
3 Installation
GeneralSetup(appliesforallparameters)
(PATH: Menu / Quick Setup)
While in Measurement mode press the [MENU] key to bring up the Menu selec-
20.9 %V O
25.0 °C
MENU
Quick Setup
Please select the type of Sensor:
A
A
Channel Select=ISM
Parameter=Auto
6.0 pH
25.0 °C
2
tion. Select QUICK SETUP and press the [ENTER] key.
Display Convention:
u
1st line on display → a 3rd line on display
2nd line on display → b 4th line on display
→
→
c
d
Select the units of measurement for a and b. Only lines a and b can be congured in Quick Setup. Go to the Conguration Menu to congure lines c and d.
Channel Selection
Analog: For conventional analog sensors (will be displayed on channel “A”).
ISM: For ISM sensors (will be displayed on channel ”B”).
u
Please select the parameter requirement:
The choice of parameter depends on the level of transmitter. If an ISM sensor is
selected, the setting “Auto” means, all possible ISM sensors will be recognized
and accepted. If a special parameter is chosen, only this parameter will be
recognized and accepted on the transmitter.
Calibration
The GPro 500 is calibrated at the factory and does not require calibration at
installation & Startup.
TDLInstallation
(path: Quick Setup / TDL / Installation)
While in measurement mode press the key [MENU] . Press the m or . key to
B
20.9 %V O
B
20.9 %Trm
MENU
Quick Setup
In this mode, the current live value of the % transmission is displayed during
B
20.9 %V O
B
20.9 %Trm
Transmission Signal
021 %
2
select the TDL and then the Installation menu item.
u
2
5 minutes until it automatically returns to the Measurement mode. Use this
value to rotate the blue sensor head attached with a loose clamp connection on
u
to the probe until the maximum transmission is found. In this position, and
secure the blue sensor head into position and tighten the clamp.
While in measurement mode press the key [MENU] . Press the m or . key to
select the TDL and then the Commissioning menu item.
u
First, select the type of pressure compensation selected:
– External: current external pressure value coming from a pressure transducer
of 4.. 20 mA analog output
– Fixed: pressure compensation uses a xed value to be set manually.
Note: if this pressure compensation mode is selected, a considerable gas concentration measurement error resulting from a nonrealistic pressure value can take place.
If External compensation is selected, then the minimum (4 mA) and maximum
B
20.9 %V O
B
20.9 %Trm
Pressure=External
2
(20 mA) analog output signals from the pressure transducer must be mapped
to the corresponding Analog input of the TDL. Key in the minimum and maxi-
u
mum values of the pressure in the following units:
– hPa – mmHg – mbar
– psi – kPa
In general, METTLER TOLEDO recommends the use of absolute pressure trans-
B
20.9 %V O
B
20.9 %Trm
Ain 4 mA = 940.0 mbar
Ain 20 mA = 2000. mbar
2
ducers for more accurate signal compensation over a broad pressure range.
If, however, small pressure variations around atmospheric pressure are to be
u
expected, relative pressure sensors will produce better results; but the variations
of the underlying barometric pressure will be ignored.
For relative pressure sensors, the minimum and maximum values must be
mapped so that the TDL can interpret the analog pressure signal as “absolute”,
i.e. a xed barometric pressure of 1013 mbar (for example) has to be added to
the mapped values.
If Fixed compensation is selected, the xed pressure value with which the mea-
B
20.9 %V O
B
20.9 %Trm
Pressure=fixed
B
20.9 %V O
B
20.9 %Trm
Pressure=1013. mbar
If External compensation is selected, then the minimum (4 mA) and maximum
B
20.9 %V O
B
20.9 %Trm
Temperature=External
2
surement signal will be calculated has to be keyed in manually. For the xed
pressure, the following units can be used:
u
– hPa – mmHg – mbar
– psi – kPa
2
u
2
(20 mA) analog output signals from the temperature transducer must be
mapped to the corresponding Analog input of the TDL. Key in the minimum and
u
maximum values of the temperature in °C.
21
Quick Setup Guide TDL GPro™ 500
B
20.9 %V O
B
20.9 %Trm
Ain 4 mA = 0.000 °C
Ain 20 mA = 250_0 °C
If Fixed compensation is selected, the xed temperature value with which the
B
20.9 %V O
B
20.9 %Trm
Temperature=Fixed
B
20.9 %V O
B
20.9 %Trm
Temperature=320.0 °C
Last, select the initial optical path length corresponding to the probe length in-
B
20.9 %V O
B
20.9 %Trm
Pathlength=00200 mm
2
u
2
measurement signal will be calculated has to be keyed in manually. For the xed
temperature, only °C can be used.
u
2
u
2
stalled:
– 290 mm probe: 200 mm
u
– 390 mm probe: 400 mm
– 590 mm probe: 800 mm
This initial value is valid when instrument purging on the instrument and on the
process side is running. Depending on the process conditions and after the
optimum of the process purging ow has been found (see next chapter), this
value may have to be slightly adapted.
22
Quick Setup Guide TDL GPro™ 500
Setting the correct
The ow rate of the purging will affect the effective path length and conse-
process side purging
quently the measurement value.
Therefore the following procedure should be used. Start with a very high ow
rate and gradually decrease it. The measurement value will then start at a low
value and increase with decreasing purge ow. At some point it will level out
and stay constant for a while and then again start increasing. Choose a purge
ow in the middle of the constant region.
2
1
Inecreased reading
Decreasing purge flow
Optimizing the purge ow
On the x-axis there is purge ow and on the y-axis there is the instrument concentration reading.
1 Concentration reading with high purge ow. The path length is now shorter
than the effective path length since the purge tubes is completely lled with
purging gas and some of the purging gas is owing into the measurement
path.
2 Concentration reading with optimized purge ow. The path length is now
equal to the effective path length since the purge tubes are completely lled
with purge gas. See the illustration below.
3 Concentration reading with no purge ow. The path length is now equal to
the nominal path length since the probe is completely lled with process
gas.
4 The optimized purge ow.
3
4
WARNING
Always start purging at maximum flow before starting the process.
WARNING
Purging must always be switched on in order
to avoid dust deposition onto the optical surfaces.
23
Quick Setup Guide TDL GPro™ 500
4 VericationandMaintenance
One-pointcalibrationforTDLgassensors
Enter calibration mode as described in section 7.1 “Enter Calibration Mode”.
B
20.9 %V O
B
25.0 °C
Calibrate Sensor
Channel B TDL
Select 1 point as calibration type.
B
20.9 %V O
H
25.0 °C
TDL Calibration
Type = 1 Point
Enter values for the effective temperature and pressure values of the gas used
B
20.9 %V O
25.0 °C
Pressure = 1013 hPa
Temperature = 23.00 °C
Place the sensor in the calibration gas (e.g. air). Press [ENTER].
B
20.9 %V O
25.0 °C
Press ENTER when
Sensor is in Gas
2
A one-point calibration of gas sensors is always a slope (i.e. with air) calibration. A one point slope calibration is done in air or any other calibration gas with
u
dened gas concentration.
2
Press [ENTER].
u
2
for calibration. When using the calibration tube for calibration, use values measured manually for the gas present in the calibration tube.
u
Adjust the optical path length for your individual system.
2
Depending on the used drift control (see chapter 8.2.3.5) one of the two following modes is active.
u
ProcesscalibrationforTDLgassensors
Enter calibration mode as described in section 7.1 “Enter Calibration Mode”.
B
12.1 %V O
B
25.0 °C
Calibrate Sensor
Channel B Oxygen
Select Process as the calibration type.
B
12.1 %V O
25.0 °C
TDL Calibration
Type = Process
Take a sample and press the [ENTER] key again to store the current measuring
B
12.1 %V O
B
25.0 °C
Press ENTER to Capture
=0.0000 V% O2 u
B O
2
2
A process calibration of gas sensors is always a slope calibration.
u
2
Press [ENTER]
u
2
value. To show the ongoing calibration process, A or B (depending on the channel) is blinking in the display.
After determining the concentration value of the sample press the
c
key again
to proceed with the calibration.
24
Quick Setup Guide TDL GPro™ 500
150 mm (5.91")
Enter the concentration value of the sample then press the [ENTER] key to start
B
12.1 %V O
B
25.0 °C
B Point1 = 56.90 %sat
= 57.1 %air u
B O
2
After the calibration the slope ”S” is displayed.
B
12.1 %V O
B
25.0 °C
S=– 0.070 nA Z=0.0000 nA
O
2
Save Adjust
2
the calculation of the calibration results.
2
In case of a successful calibration, the calibration values are stored in the cal
history and taken over (Adjust), stored in the cal history and not taken over
u
(Calibrate) or discarded (Abort).
If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration successful” is
displayed. The M400 returns to the measuring mode.
Calibration using a calibration cell
For a more accurate calibration the calibration cell can be used. Doing this the
TDL (the units head) needs to be removed from the probe. Then it has to be
mounted on the calibration cell according to the illustration below. Before calibration is started new values for path length, temperature and pressure have to
be entered on M400. Then the calibration gas is owed through the calibration
cell and the calibration is done in the calibration menu of M400.
During calibration with the calibration cell the process is still sealed and no
extra precautions need to be taken.
Calibration cell.
EPL
2 × 100 mm (3.94")
104,6 mm (4.12")
25
Quick Setup Guide TDL GPro™ 500
5 Error messages
MessageCommentActionSourceRelay StateMapping
No sensor on channel 3The M400 is unable to detect any of the ISM sensor(s) it can identify.
If no sensor is found it will disply the message NO SENSOR DETECTED
Signal Processing FailedFitting of the line proles failed.Send unit back to METTLER TOLEDOTDLFaultSoftware error
Laser Source ErrorThe laser wavelength has shifted. Readjustment of the laser tempera-
ture necessary
Bad Signal QualityTransmission lower than 5% thresholdClean corner cube and process window.
Flashcard ErrorMissing or bad calibration and / or database dataPerform a calibration with the calibration
Pressure Input ErrorPressure reading out of extended range: 0.6 bara < P < 8 bara
4 – 20 mA input error: 4 mA > P > 20 mA
Temperature Input ErrorPressure reading out of extended range: –20°C<T<1000°C
4 – 20 mA input error: 4 mA > P > 20 mA
Conguration ModeEthernet port in use: diagnostic or conguration in progressDisconnect Ethernet cableTDLMaintenance
The GPro™ 500 error messages can be found in the M400 under the following path:
Menu ➝ Service ➝ Diagnostics ➝ TDL ➝ Messages
26
Quick Setup Guide TDL GPro™ 500
– This is the initial message after Power on.
M400FaultB disconnected
– Wait for the GPro™ 500 to fully boot.
– Check if the GPro™ 500 is powered and
wait until the system is fully started.
– Check the RS485 wiring of the
GPro™ 500 to the M400
– Check with the MT-TDL software and the
Ethernet port if the system is running
correctly.
– If timeout still occurs after 60 s, send unit
back to METTLER TOLEDO.
Send unit back to METTLER TOLEDOTDLFaultSystem error
TDLFaultSystem error
Check the gasket between TDL and probe.
Rotate TDL on the probe to maximize Trans-
mission.
Reduce the dustload in the process.
TDLFaultSoftware error
tube.
If still not successful, send unit back to
METTLER TOLEDO for Flashcard exchange.
Check external pressure sensor and mapping TDLMaintenance
System error
request
Check external temperature sensor and
mapping
TDLMaintenance
request
System error
Software error
request
27
Quick Setup Guide TDL GPro™ 500
GPro™ 500
Quick Setup-Leitfaden
Inhaltsverzeichnis
1 Vorbereitung 31
Lieferumfang 31
Anforderungen vor Ort 31
Umgebungs-bedingungen 31
Außerdem erforderlich 31
Optionales Zubehör 32
2 Vor der Installation 33
Montageort für Flansch 33
Anforderungen an den Flansch 33
Strömungs-verhältnisse anderMessstelle 34
Spülen 35
Spülen mit Wärmeschutz 36
Erdung und Verdrahtung (ATEX) 37
Aktive Analogeingänge (ATEX-Ausführung) 38
Schleifengespeiste Analogeingänge (ATEX-Ausführung) 39
Erdung und Verdrahtung (FM) 40
Aktive Analogeingänge (FM-Ausführung) 41
Schleifengespeiste Analogeingänge (FM-Ausführung) 42
GPro™ 500 Kabel 43
Kabelanschlüsse im M400 45
German
3 Installation 46
Allgemeines Setup (gilt für alle Parameter) 46
Kanalwahl 46
Kalibrierung 46
TDL Installation 46
Einstellung der korrekten Spülung der Prozessseite 49
4 Verifizierung und Wartung 50
Einpunktkalibrierung von TDL-Gassensoren 50
Prozesskalibrierung für TDL-Gassensoren 50
Kalibrierung mit einer Kalibrierzelle 51
5 Fehlermeldungen 52
29
Quick Setup Guide TDL GPro™ 500
30
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