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ecom-ST 1.0

25

4.4 Draught measurement

For  an  exact  measurement,  it  is  advisable  to
recalibrate  the  sensor  as  the  differential
pressure  sensor  tends  to  drift  due  to  its
sensitivity. Disconnect the draught hose on the
device  and  press  <F4>.  The  sensor  is
recalibrated.  Reattach  the  draught  hose.  The
display  shows  the  exact  measured  value,  that
can be frozen with the <Store> key.

Pressure

Draught

-0.12

hPa

Recorded value:

-0.12 hPa

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Summary of Contents for ST

Page 1: ...OPERATING INSTRUCTIONS Version ecom ST 1 0 State July 2021 English ...

Page 2: ...outputs option 16 1 6 Unheated gas sampling system 17 1 7 Heated sampling system 17 1 8 Data storage 18 2 Installation 19 2 1 Wall mounting protective housing option 19 2 2 Rack installation 20 3 Starting Up 21 4 Measurement Procedure 21 4 1 Preparation 21 4 2 Flue gas analysis 22 4 3 Measurement screens 23 4 4 Draught measurement 25 4 5 CO overload protection 26 5 Control 27 6 Adjustments 29 6 1 ...

Page 3: ...ion to the PC 37 7 2 1 ecom DAS NT2 37 7 2 2 ecom DAS 5 38 7 3 ecomModbus 38 8 Maintenance 39 8 1 Fine dust filter 39 8 2 Gas sensors 40 8 3 Calibration 41 8 4 Removal re installation of modules 42 8 4 1 Gas measuring module 42 8 4 2 Gas processing module 42 8 5 Probe Tubing 43 8 6 SBK system option 43 Technical Data 44 Disposal 46 FAQ 46 ...

Page 4: ...nstalled on site The device is operated either by the internal time control or by time control via Modbus A maximum measuring time of 1 hour without interruption is possible Afterwards a fresh air purging phase of at least 4 minutes with subsequent fresh air calibration at least 1 minute must be carried out Scope of Delivery ecom ST Mains power cable 2 5 m Kit of consumable spares Protective housi...

Page 5: ...vice disconnect it from the power supply voltage WARNING Damage to the electronics Moisture or frost can damage the electronics Do not store the device in damp rooms or by temperature below 0 C CAUTION Damage to the sensors Substances containing solvents damage the device s sensors Avoid contact with substances containing solvents CAUTION Damage to electronic components Electrostatic discharge can...

Page 6: ...tion 2 Key NOTE Strong electromagnetic fields can affect the function of the device Do not expose the device to any strong electromagnetic radiation 2 1 NOTE Check fine dust filter and PTFE filter regularly Change filter when the grey staining equals 3 on the soot dot comparison scale ...

Page 7: ...ecom ST 1 0 7 3 Graphic display 5 Condensation pump 7 SO2 NOx filter for CO sensor 4 Fresh air inlet 6 PTFE filter 8 Gas cooler with fine dust filter 7 8 5 4 3 6 ...

Page 8: ... 1 USB connection 4 Analog outputs option 7 Measuring gas outlet 2 Slot for multi media card SD 5 Mains power connection max cable length 3 m 8 Condensation outlet 3 Network connection 6 Mains supply ventilation fan 8 5 6 4 2 1 3 7 ...

Page 9: ...atus 6 Digital flow indi cation flow meter 10 Info key access to control menu 3 Battery LED for indication of charging status 7 Enter key confirm selection 11 ON OFF key 4 Function keys assignment shown on display 8 Cursor control up down right left 10 8 5 6 1 2 7 3 9 11 4 In input mode the numerical function of the keys is used to enter figures NOTE ...

Page 10: ...he device and the ecom PC software DAS NT 2 or DAS5 PC software and USB drivers are available free of charge on the ecom GmbH website see https www ecom de kundendienst downloads The following transmission parameters must be set for the two programs on the ecom ST Adjustments Internal USB DASNT2 1200 Baud Protocol DAS DAS5 1200 to 38400 Baud setting as in software DAS5 Protocol Enhanced 1 4 2 RS48...

Page 11: ...is used as a terminal device a termination of 120 is provided The termination is active on delivery Proceed as follows to deactivate 1 Disconnect the device from the mains voltage 2 Loosen the knurled screws on the front panel 3 Open the front panel 4 Set DIP switch 3 to OFF 1 Knurled screw 2 Front plate 3 DIP switch 2 1 3 1 ...

Page 12: ...g is then plugged into the socket on the circuit board The pin assignment is listed below 1 Pin assignment 3 8 pin socket 2 8 pin plug 4 Position at device The following transmission parameters must be set at the ecom ST Adjustments Internal COM module 9600 Baud recommended adjustment Protocol Modbus RTU 4 2 1 3 ...

Page 13: ...ecommended adjustment Protocol Modbus TCP Upon delivery the ecom ST has the IP address 192 168 55 1 To change it you have to configure a PC for this subnet It is advisable to temporarily configure the PC with the IP address 192 168 55 2 The ecom ST has a web interface for configuring the IP address as well as user name and password To connect enter the IP address 192 168 55 1 in the web browser in...

Page 14: ...14 ecom ST 1 0 You can set the password for the administrator and for the creation of additional users under the menu item User ...

Page 15: ...ecom ST 1 0 15 To adapt the network configuration you can change the network settings under Network by selecting eth0 Configuration ...

Page 16: ...cket 2 Pin assignment socket 1 Pin assignment socket 2 Each channel can be assigned a measurement or calculation variable with free scaling see chapter Configuring the Analog outputs 1 GND channel 8 4 Signal channel 7 7 GND channel 5 2 Signal channel 8 5 GND channel 6 8 Signal channel 5 3 GND channel 7 6 Signal channel 6 1 GND channel 4 4 Signal channel 3 7 GND channel 1 2 Signal channel 4 5 GND c...

Page 17: ...mized 1 7 Heated sampling system By using the heated sampling system option the measurement of water soluble target substances NO2 and SO2 is possible without washout losses A hot gas filter integrated in the probe head protects the device from premature contamination The maximum exhaust gas temperature when using the heated sampling system is 500 C NOTE Do not kink the NOx tubing Do not put the N...

Page 18: ...t clicks into place completely All values of a recording are saved in a csv file with the name ST_DL xx csv Successive files are automatically numbered from 00 Data loss Loss of data and damage to the data carrier are possible Do not pull out cards while data is being recorded CAUTION NOTE The SD card must have the following properties Maximal storage capacity 32 GB UHC card Formatting 16 bit FAT ...

Page 19: ...com ST 1 0 19 2 Installation 2 1 Wall mounting protective housing option Dimensional drawing Fastening material is not included and must be selected on site according to the individual circumstances NOTE ...

Page 20: ...the individual conditions on site screw the protective housing to the wall 2 2 Rack installation NOTE For mounting kindly consider that the device with the housing weighs approx 25 kg Install the device in a ventilated room only NOTE 6 HE must be complied with NOTE Do not use the housing as a storage space ...

Page 21: ...he device 4 Measurement Procedure 4 1 Preparation After switching on the device the start screen is shown on the display and then the main menu In the main menu 4 submenus are displayed Menu point Meaning Gas analysis Perform flue gas analysis Settings Modify instrument settings Control Check operation state of instrument Remote Setup Adjust data transfer NOTE Prior to each measurement make sure t...

Page 22: ...hich must be answered with F4 no internal data processing with the ecom ST is irrelevant Then the suitable fuel must be selected from a table Fuel types acc To German 1st BImSchV Fuel oil Natural gas City gas Coke oven gas Liquid gas Use the cursor keys to select the desired fuel type and confirm with Enter In the case of dusty or sooty combustion gases a gas treatment system must be installed ups...

Page 23: ...ttings are Fuel type Eff C Internal Adjustments Standby Purge You can also switch to the measured value display from any menu item while pressing F1 1 Hotkey F1 3 Hotkey F4 5 Reset zero point draught sensor 2 Switch off CO sensor key F3 4 Indication gas cooler switched on O2 3 2 CO2 13 1 T Gas 184 C T Air 20 C Gas analysis O2 3 2 CO2 13 1 CO 0 ppm Efficiency 92 5 Losses 7 5 Excess air 1 18 T Gas 1...

Page 24: ...urge Adjustment of the measurement screens To change the position of the measured and calculated values in the measurement screens 1 to 3 proceed as follows 1 Activate the function with Enter Display values Enter 2 Select the desired line with the cursor keys up down 3 Select the desired parameter with the cursor keys right left 4 Repeat the procedure until the change is completed 5 Deactivate the...

Page 25: ... the differential pressure sensor tends to drift due to its sensitivity Disconnect the draught hose on the device and press F4 The sensor is recalibrated Reattach the draught hose The display shows the exact measured value that can be frozen with the Store key Pressure Draught 0 12 hPa Recorded value 0 12 hPa ...

Page 26: ...f the measurement screen and the status LED Info changes from green to red When the CO sensor has been sufficiently purged with fresh air X disappears behind CO and the measured values are back within the permitted range the fresh air purging pump is switched off The CO display in the status bar of the measurement screen no longer flashes and the status LED Info changes from red to green Damage to...

Page 27: ... control screens Indication Meaning Sensor mV Output voltage of sensor in mV Battery V Output voltage of battery Operation hours Operation hours since last service Total operation hrs Total operation hours Next maintenance Date of next maintenance Service tel Phone number of next service centre Program version Version of instrument firmware Serial number Serial number of the instrument CO purges N...

Page 28: ...f the device are listed date of maintenance operating hours at the maintenance time Sensor information Information as to age and calibration data of the sensors Last service history 19 08 2017 88 hrs 25 08 2018 145 hrs 14 08 2019 205 hrs 23 08 2020 322 hrs Further Pages Further Pages ...

Page 29: ...on the measurement screen ppm mg m mg kWh undiluted mg MJ undiluted ppm undiluted mg m undiluted Second unit Second conversion of the gas concentration that can be displayed on the measurement screen As under Unit Reference O2 O2 oxygen reference 0 0 21 0 Fuel type Change of the set fuel type Country specific Clock set Adjustment of internal clock Internal Sub menus for further adjustments see fol...

Page 30: ...nt of the link with the F4 key See chapter Measurement Screens Values options Setting as to the values ETA lambda and temperature All setting channels in the table on the following page USB Settings for the USB interface All settings in the table on the following page COM module Settings for the COM interface All settings in the table on the following page HINWEIS The specification undiluted denot...

Page 31: ...emperature Not possible by all instruments C or F Exc air Excess air Ratio or Eff C Efficiency with or without condensate gain ON OFF Parameter Adjustment field Transfer speed 1200 115200 Baud Protocol Enhanced DAS 5 DAS DAS NT 2 Modbus RTU Modbus TCP none Parameter Adjustment field Transfer speed 1200 115200 Baud Protocol Enhanced DAS 5 DAS DAS NT 2 Modbus RTU Modbus TCP none HINWEIS Only one Mod...

Page 32: ... ecomModbus RxD buffer Sent data See ecomModbus Device address ecom ST device address Standard setting 2 Parameter Meaning Setting change Device address Change of the ecom ST device address for Modbus RTU Entry after activation with Enter Current values Define assignment of measured value memory address 1 Address 0x3000 2 Address 0x3001 etc Selection with cursor keys See ecomModbus Stored values D...

Page 33: ...r as a ratio or in 16 Air pressure Ambient pressure in hPa 17 Draught P Pressure in chimney in hPa 18 CO Carbon monoxide content adjusted unit 19 NO Nitrogen monoxide content adjusted unit 20 NO2 Nitrogen dioxide content adjusted unit 21 SO2 Sulphur dioxide content adjusted unit 24 CO Carbon monoxide content adjusted 2nd unit 25 NO Nitrogen monoxide content adjusted 2nd unit 26 NO2 Nitrogen dioxid...

Page 34: ...ter activation with Enter 10 to 2550 minutes Measuring time Time during which the measured values are available At the end of the measuring time a data record is saved under 0x2000 and following Entry after activation with Enter 5 to 60 minutes Automatic Switching on the automatic mode Operation without time control is not permitted ON OFF after activation with Enter Gas analysis Adjustments Contr...

Page 35: ...tatus of the device The table below lists all possible statuses Analog value Meaning 4 mA Device error 6 mA Calibration phase not finished 7 mA Device on standby 8 mA Sample gas pump off 9 mA Fresh air purging active 10 mA Device in measuring mode but the CO sensor is switched off 20 mA Device in measuring mode HINWEIS Valid measured values are only available if the status is 20 mA ...

Page 36: ... Data logger menu When the data logger gets active or becomes active again after an interruption a new file is created on the SD card in which all subsequent measured values of the recording are saved The files have a predefined name and are numbered consecutively Example ST_DL 00 csv oldest file ST_DL 01 csv ST_DL 02 csv ST_DL xx csv latest file Parameter Meaning Adjustment field Data logger Star...

Page 37: ...communication with the software The transmission speed and the protocol are predefined for smooth communication between the device and the DAS NT 2 PC software via the USB interface To enable communication with the DAS NT 2 PC software the following settings must be made in the Settings Internal USB menu Parameter Adjustment field Adjustment for DAS NT 2 Transfer speed 1200 Baud 115200 Baud 1200 B...

Page 38: ... speed and the protocol are predefined for smooth communication between the device and the DAS 5 PC software via the USB interface 7 3 ecomModbus To integrate the ecom ST into your existing software please use the ecomModbus documentation Parameter Adjustment field Adjustment for DAS 5 Transfer speed 1200 Baud 115200 Baud 1200 Baud 38400 Baud Protocol DAS DAS NT 2 Enhanced DAS 5 none Enhanced NOTE...

Page 39: ...w the cover cap 2 Check the condition of the fine dust filter 3 Screw the cover cap back NOTE If sensors or probes from other manufacturers are used the TÜV approval of the device is no longer valid Only use sensors or probes provided by ecom GmbH or from an ecom authorized service center NOTE If service work is not carried out by ecom GmbH or a service center authorized by ecom GmbH the warranty ...

Page 40: ...or the output voltage of each installed gas sensor can be checked The reference values of the sensors are Sensor Reference value output voltage O2 12000 mV Others 0 mV 150 mV NOTE The O2 sensor must display a value 7000 mV If this is not the case the sensor must be replaced Contact the ecom service centre next to you NOTE If an error message occurs during the calibration phase a further calibratio...

Page 41: ...ation Important Span gas must get pressure free to the instrument Flow with span gas Wait for stabilisation of value By drift press Enter Set correct value with number keys Confirm input with Enter T Gas T Air calibration Create reference temperature By drift press Enter Set correct value with number keys Confirm input with Enter Span gas used by ecom appoximate value Sensor Span gas CO O2 400 ppm...

Page 42: ...he device Reinstallation 1 Insert gas measuring module into device 2 Tighten the 4 screws 3 Push the hoses onto the turned parts 8 4 2 Gas processing module Removal 1 Pull off the hoses 2 Loosen the 4 screws 3 Pull the gas processing module out of the device Reinstallation 1 Insert gas processing module into the device 2 Tighten the 4 screws 3 Slip the hoses over the turned parts Hoses Screw Hoses...

Page 43: ...ening all plug connections on the device and on the probe handle The O rings of the hose connections should occasionally be lightly greased with acid free lubricant 8 6 SBK system option The PTFE filter in the probe head should be changed regularly Damage to the device transport system The hot flue gas probe can damage the device or the transport system if it comes into contact with Let the probe ...

Page 44: ... 63 000 ppm 100 ppm 5 MV NO EC 0 ppm 5000 ppm 5 ppm 5 MV NO ExtraLow EC 0 ppm 300 ppm 2 ppm 5 MV NO2 EC 0 ppm 1000 ppm 5 ppm 5 MV NO2 Low EC 0 ppm 100 ppm 5 ppm 5 MV SO2 EC 0 ppm 5000 ppm 10 ppm 5 MV SO2 Low EC 0 ppm 100 ppm 5 ppm 5 MV H2 EC 0 ppm 20 000 ppm 100 ppm 5 MV H2S EC 10 ppm 5 MV CO2 IR 0 vol 20 vol 0 5 vol 5 MV CO2 IR 0 vol 100 vol 5 vol CH4 IR 0 vol 5 vol 0 2 vol 5 MV CxHy K 0 vol 4 vo...

Page 45: ...g Protective housing option Dim W x H x D Approx 600 mm x 350 mm x 265 mm Weight ecom ST with protective housing approx 25 kg Calculated values Range Principle CO2 0 CO2max Calculation Efficiency ETA 0 120 Calculation Losses 0 99 9 Calculation Excess air Lambda 1 Calculation Dew point x C Calculation mg m3 x mg m3 Calculation mg kWh x mg kWh Calculation O2 reference x O2 Calculation NOTE Subject t...

Page 46: ...formation Important device information can be called up with the Info button Control menu Serial number Service phone number Sensor voltages Sensor information Error counter Operation hours etc The instrument shows the error message O2 sensor mV too low The sensor module must be replaced The instrument shows the error message xx sensor mV too high The sensor module must be replaced On request we c...

Page 47: ...ecom ST 1 0 47 ecom GmbH Am Großen Teich 2 D 58640 Iserlohn info ecom de www ecom de Telefon 49 2371 945 5 Fax 49 2371 40305 ...

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