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Axel Semrau ODOR easy Manual

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KKZ
Version 10/2017

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Summary of Contents for Axel Semrau ODOR easy

  • Page 1 KKZ Version 10/2017...

  • Page 2: Table Of Contents

    Connecting the system Gas connections Electrical connections 3.2.1 Connecting the supply voltage 3.2.2 Signal output 3.2.3 Connecting a PC/laptop/tablet to the ODOR EASY Commissioning Setting the gas flows 4.1.1 Gas connections 4.1.2 Opening HyperTerminal 4.1.3 Opening the valves and setting the gas flows Setting the calibration gas concentration 4.2.1...
  • Page 3 Firmware 5.2.1 Service menu 5.2.2 Valve menu 5.2.3 Sensor menu 5.2.4 DAC menu 5.2.5 Clock menu 5.2.6 EEPROM data 5.2.7 Measure menu Changing the calibration gas cylinder Changing the sensor Power failure Visual checks Error messages Technical data 11.1 General requirements 11.2 Electrical requirements 11.3...

  • Page 4: Introduction

    1 Introduction 1.1 Intended use Dear Customer, The ODOR easy is a device for the detection of sulphurous odorants in low pressure applications up to 2 bar that has been designed with special attention to automated measurement. Typical odorants are:...

  • Page 5: Safety Instructions

    The manual contains all the information concerning the controls, usage, maintenance and adjustment of the device, as well as all the technical data. The operating manual is an integral part of the ODOR EASY. You should therefore keep the manual close at hand so that it is readily accessible for the necessary information.
  • Page 6 Fig. 1: ODOR easy system overview...

  • Page 7: Dimensions

    1.3.1 Dimensions ODOR easy 270 x 240 x 90 mm ODOR easy with rotameter 50 x 240 x 90 mm Weight of ODOR easy: approx. 3.7 kg We recommend wall mounting out of direct sunlight in order to prevent overheating.

  • Page 8: Ambient Conditions

    1.3.4 Ambient conditions Outside the Ex zone (e.g. electrical equipment room) Temperature range: 0 - 40°C Relative humidity: 10-90%, no condensation DANGER The device is not explosion protected and must not be operated in such areas. The place of use must be sufficiently dry. There is no protection against moisture or dripping water.

  • Page 9: Scope Of Delivery For Odor Easy

    2 Scope of delivery for ODOR EASY ODOR easy basic unit with THT or mercaptan sensor for detection of the odorant. USB storage medium with HyperTerminal software. Other accessories Mains cable USB cable type B Rotameter for setting the flow rate for the sample gas and the calibration gas Additionally required material: These items can be ordered direct for ODOR EASY from AS.

  • Page 10: Connecting The System

    The cover must be removed in order to connect the device. DANGER Installation and commissioning must only be performed by trained personnel. Connections to gas lines and electrical connections need to be established. Fig. 2: Interior view of ODOR easy...
  • Page 11 Fig. 3: Connector panel of ODOR easy Status LED The ODOR easy has 4 status LEDs: live: flashing green; device is waiting for the next action calibration: continuous green; device is calibrating with test gas measuring: continuous yellow; device is measuring...

  • Page 12: Gas Connections

    2.) Connection of SAMPLE GAS to the natural gas line (minimum 22 mbar, maximum 2 bar, throughput 20 l/h). The ODOR easy can be ordered either with or without an optional rotameter. If a rotameter has not been ordered, all gas ”...

  • Page 13: Electrical Connections

    3.2 Electrical connections The ODOR easy can be supplied with or without a mains cable. If the mains connection and the connection to the signal output are to be made on site, the cover of the electronics housing must be removed (see Fig.

  • Page 14: Connecting A Pc/Laptop/Tablet To The Odor Easy

    This is only for the use of trained and qualified personnel. The power supply to the ODOR easy must be established before it is possible to enter the settings for the PC/laptop/tablet link.

  • Page 15: Commissioning

    In order to be able to commission the device, the ODOR easy must be connected to the power supply, the link to the PC/laptop/tablet must be set up and the calibration gas must be available.

  • Page 16: Opening The Valves And Setting The Gas Flows

    Fig. 9: Rotameter 4.2 Setting the calibration gas concentration 4.2.1 Opening HyperTerminal The ODOR easy must first be connected to a control computer (PC, laptop, tablet with HyperTerminal) with a USB cable. After doing so, start the HyperTerminal and open the file “ODOR easy.ht”.

  • Page 17: Calibration Gas Input

    A dot is placed automatically as the 1000 separator. 4.3 Starting the test measurement 4.3.1 Opening HyperTerminal The ODOR easy must first be connected to a control computer (PC, laptop, tablet with HyperTerminal) with a USB cable. After doing so, start the HyperTerminal and open the file “ODOR easy.ht”.

  • Page 18: Testing The Analogue Output Signal

    4.4 Testing the analogue output signal 4.4.1 Opening HyperTerminal The ODOR easy must first be connected to a control computer (PC, laptop, tablet with HyperTerminal) with a USB cable. After doing so, start the HyperTerminal and open the file “ODOR easy.ht”. The display is refreshed by pressing the space bar, and pressing the number “0”...

  • Page 19: Settings

    5 Settings 5.1 Connection parameters A standard terminal program, e.g. HyperTerminal under Windows, is needed in order to establish a connection to the device. The following parameters must be set here: Please make sure that the correct COM port has been selected. In the case of a virtual port, this can be found in the Windows Device Manager;...

  • Page 21: Firmware

    5.2 Firmware A standard terminal program, e.g. Windows HyperTerminal, is needed in order to establish a connection to the device. The firmware functions are sorted according to function within a menu structure and can each be reached using the symbol or key displayed before the function title, e.g. “1: Valve Menu” by pressing the “1” key.

  • Page 22: Service Menu

    5.2.1 Service menu Menus 1-3 are intended just for checking the hardware. 4, 5 and 8 are used for configuration, while 6 and 7 are for monitoring. In addition, the current status is displayed at the top right of all sub-menus. Line 1: Current time and system status Line 2: Start of the next measurement The following system statuses (sys-states) are used:...

  • Page 23: Valve Menu

    5.2.2 Valve menu This menu allows the valves to be switched on/off and tested individually. The pump can be switched on/off and controlled using +/-. The voltage supplies (12V, 5V) to the sensor circuit board and the voltage supply (6V) to the pump can be switched on/off.

  • Page 24: Clock Menu

    5.2.5 Clock menu Allows checking and setting of the real-time clock. 5.2.6 EEPROM data All the parameters important for the device and for measuring can be set here. The following parameters can be set via the EEPROM menu:...
  • Page 25 Parameter Default Unit Description EE_Zero_min 10 000 Digits Minimum value that must be exceeded when setting the zero value. EE_Zero_max 1 000 30 000 6 000 Digits Maximum value that must not be exceeded when setting the zero value. EE_Calib_gas 1 000 60 000 20 000...
  • Page 26 EE_Power_save_mode False Switches power save mode on or off. EE_Sensor_Type Selects the sensor: THT or TBM EE_Serial Serial number of the ODOR easy device. Init with factory preset The parameter setting corresponds to the prior to any application adjustment. Send to PC The displayed parameters were send to the connected PC.

  • Page 27: Measure Menu

    5.2.7 Measure menu This menu can be used to manually start either a measurement or the various segments of the process. Furthermore, several parameters used for measurement can be changed under 1-7. The same parameters can also be edited under the EEPROM menu. Displayed are: - The current sensor value - The zero value of the sensor stored during prepurging - The last calculated concentration...
  • Page 28 Parameter Default Unit Description Edit_PrePurge 4 000 Time for which the device is purged with air before the zero value is set. Edit _Purge 4,000 Time for which the device is purged with before after measurement. Edit _Slope 5 000 Digits The sensor signal is permitted to fluctuate by a maximum of this...

  • Page 29: Changing The Calibration Gas Cylinder

    The ODOR easy is equipped with an electrochemical sensor. This sensor loses its sensitivity over the course of time and must then be replaced. Specified in the ODOR easy is a minimum signal strength that a calibration must reach in order to be accepted as valid (see Section 5.2.6, parameter EE_Calib_min.).
  • Page 30 Fig. 10: Sensor socket and sensor seal Fit the new sensor with the sensor seal and seat the new sensor vertically in the socket. As you • do so, note that the position of the sensor is defined by a lug. •...

  • Page 31: Power Failure

    8 Power failure The ODOR easy is designed in such a way that the system will automatically restart after a power failure and continue running it’s programmed measuring task. After a long power failure, it may take several hours before the sensor has stabilised again and is able to output correct measured values.
  • Page 32 (parameters) or in the program memory. Is automatically overwritten EEPROM >> with new default values. Invalid program in memory, FLASH >> return to the manufacturer. 'ERROR: ADC Error ' AD converter at its limit (0 or Check the sensor or sensor 65 535 digits).

  • Page 33: Technical Data

    11 Technical data 11.1 General requirements Dimensions Note 1.10 Dimensions approx. 270 x 240 x 90 mm 1.20 Weight approx. 3700 g 11.2 Electrical requirements Specification/requirement Note 2.10 Supply voltage 110/240V AC 50/60Hz, max. 24W; 12 V DC, optional 2.20 Current interface for outputting the measured results 4-20 mA 2.30 USB Interface type B...

  • Page 34: Software/Firmware

    11.5 Software/firmware Specification/requirement Note 5.10 The firmware can be loaded using a bootloader. 5.20 The device performs measurements autonomously. 5.30 The results of the measurements are output via a 4-20 mA interface. 11.6 Measurement area Specification/requirement Note 6.10 THT: 0-100 mg/m³ Measuring accuracy: ±10% for 10-25 mg/m³...

  • Page 35: Appendix

    13 Appendix 13.1 Setting the sensor type and the gain In order to change the settings, the screws must be undone from the sensor receptacle/electronics and the cover removed. The receptacle for the sensor and a DIP switch for setting the sensor type (THT or TBM (mercaptan)) and the gain are located here.

  • Page 36: Setting The Offset Voltages

    13.2 Setting the offset voltages The ODOR easy is designed in such a way that the system will automatically restart after a power failure and continue running it’s programmed measuring task. After a long power failure, it may take several hours before the sensor has stabilised again and is able to output correct measured values.

  • Page 37: Setting Up The Usb Interface By Hyperterminal

    13.3 Setting up the USB interface by Hyperterminal “ ” HyperTerminal program with drivers and system settings are saved on the supplied USB drive. These must be copied to the PC. “ ” Device Manager must then opened in Windows. Having done so, double click with the left mouse button on "Ports (COM &...
  • Page 38 The available COM and USB interfaces are then displayed. Now connect the ODOR easy to the PC using the USB cable. An additional USB serial port is then displayed and automatically assigned a COM number (in brackets), COM8 in this example.
  • Page 39 The user clicks with the left mouse button on "Browse my computer for driver software". The user clicks with the left mouse button on "Desktop" in "Browse for Folder". The user clicks with the left mouse button on "Close". The user clicks with the left mouse button on "Close"...
  • Page 40 The user double clicks with the left mouse button on "ODOR easy" in "HyperTerminal". Depending on the basic settings of the computer, there may be a query as to whether a modem is to be installed. Since the ODOR easy is not a modem, the query should be answered in the negative.
  • Page 41 The user clicks with the left mouse button on "Properties". The user clicks with the left mouse button on "Open" in "New Connection Properties". The user clicks with the left mouse button on "COM9" (example!). The COM port number is assigned differently by each computer. The user clicks with the left mouse button on "Configure…"...
  • Page 42 The user clicks with the left mouse button on "Open" in "COM9". (example!) The COM port number is assigned differently by each computer. The user clicks with the left mouse button on "115200". The user clicks with the left mouse button on "Open"...
  • Page 43 The user clicks with the left mouse button on "Apply" in "COM9 Properties" (example!). The COM port number is assigned differently by each computer. The user clicks with the left mouse button on "OK" in "COM9 Properties" (example!). The COM port number is assigned differently by each computer.
  • Page 44 The user clicks with the left mouse button on "VT52". The user clicks with the left mouse button on "OK" in "New Connection Properties". The user clicks with the left mouse button on "File" in "New Connection - HyperTerminal". The user clicks with the left mouse button on "Save as.."...
  • Page 45 The user clicks with the left mouse button on "ODOR easy.ht" in "Save.." The settings are now saved in the file "odor easy.ht" and can easily be reloaded at a later time. The user clicks with the left mouse button on "Open…"...

  • Page 46: Data Logging

    13.4 Data Logging NOTICE: The ODOR easy does not store any measurement data from previous measurements. The data logging function is intended only for logging device parameter data for fault diagnosis or sensor adjustment.
  • Page 47 Once you have started, press the “7” key to switch to the Data Logging menu. All data will now be recorded. When you are ready to stop recording and wish to evaluate the data, follow the following steps: This time specifies how long the value is maintained at the current interface after a measurement.

  • Page 48: Updating The Firmware

    13.5 Updating the firmware NOTICE: Perform an update only after consultation with the manufacturer! The system firmware can be flashed over the USB interface using a bootloader. Carry out the following steps to perform an update: In the main menu, press the “B” key to put the system into its bootloader mode.
  • Page 49 The progress of the update is signalled by the corresponding progress bar. Once the update has finished (see illustration), the device can be restarted by clicking the “traffic light” button. The device can now be operated in the normal way using HyperTerminal.

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