background image

 

 

 

WMA-5 

CO

2

 Gas Analyzer

 

 

Operation Manual 

Version 1.01 

 

 

2015 PP Systems.  All Rights Reserved 

3

rd

 November 2016 

PP Systems 

110 Haverhill Road, Suite 301 

Amesbury, MA 01913  U.S.A. 

 

Tel: +1 978-834-0505  Fax: +1 978-834-0545 

Email: 

[email protected]

  URL: 

www.ppsystems.com 

Summary of Contents for WMA-5

Page 1: ...on Manual Version 1 01 2015 PP Systems All Rights Reserved 3 rd November 2016 PP Systems 110 Haverhill Road Suite 301 Amesbury MA 01913 U S A Tel 1 978 834 0505 Fax 1 978 834 0545 Email support ppsyst...

Page 2: ...1 H2O Sensor 11 Mechanical Specifications Mounting Instructions 11 System Power 11 Getting Familiar with the WMA 5 12 Touch Display 12 Status Box 12 Gas Ports 13 Water Trap 13 Terminal Block 13 Recomm...

Page 3: ...nu 29 Analog Settings 29 Averaging Settings 30 WMA ID Settings 30 Graph Setting 31 Settings 3 Menu 31 Host Settings 32 WiFi Settings 33 Memory Settings 33 Host Port Settings 34 Reset WiFi Settings 34...

Page 4: ...s Analysis Software 55 Communication Summary 58 Wireless Network Settings 58 Connecting To WMA 5 Via Direct Wireless Connection 59 Connecting to WMA 5 via a Local Area Network 60 Measure Format Settin...

Page 5: ...WMA 5 Operation Manual V 1 01 5 support ppsystems com Federal Communication Commission Interference Statement 73 Radiation Exposure Statement 74...

Page 6: ...d does not cover injury to persons or property or other consequential damage This manual is provided to help you install and operate the equipment Every effort has been made to ensure that the informa...

Page 7: ...rning equipment to PP Systems for service you must first get in contact with our Service Manager service ppsystems com to request a case number for reference and tracking purposes Contact Information...

Page 8: ...sensor inputs are available from the 22 pin terminal block Analog Output 0 2 5V CO2 range selectable and 4 20mA Digital Output RS232 and USB Air Filter Water Trap An external water trap and internal h...

Page 9: ...s is produced by the source and pulsed through a gold plated cell The interference filter narrows the bandwidth of the IR source received by the detector to the signature wavelength absorbed by the ta...

Page 10: ...GB effects The WMA 5 IRGAs are quite stable owing to their construction calibration and thermal environment but various circumstances can cause apparent changes over time Some changes may require reca...

Page 11: ...e humidity sensor is mounted into a manifold located inside the terminal block enclosure and is fitted in line to sample the incoming gas stream Readings are displayed and recorded in absolute vapor p...

Page 12: ...Electronic Paper Display EPD Resolution 264 x 176 pixel Ultra low power consumption Super Wide Viewing Angle near 180 Extra thin light SPI interface RoHS compliant Status Box All messages and warnings...

Page 13: ...ystem How the Water Trap Works As liquid is collected in the bowl the level starts to rise gas becomes trapped in the open end of the float and it too starts to rise The entire float assembly then beg...

Page 14: ...gth 10 Ft Maximum Shielded cable to Data Logger or Programmable Logic Controller Typical cable Belden 8413 2C 24 Shielded Length 5 Ft Maximum GND Alarm 1 Alarm 1 Alarm 2 Alarm 2 GND TX RS232 RX RS232...

Page 15: ...there is no flow through the analyzer Check the water trap to make sure that it is not filled with water Absorber Column and CO2 Scrubber The absorber column contains a CO2 scrubbing desiccant common...

Page 16: ...ity If you have any doubt about the freshness of the soda lime you should replace it All O rings are lubricated with silicone grease to ensure good seal and to avoid problems associated with breaking...

Page 17: ...tings Menu Zero Alarms Reset Abs Flow Alarm Sound CO2 Unit Analog Averaging WMA ID Graph Host WiFi Memory Host Port Reset WiFi Set Clock Defaults Info Menu Diagnostics Menu Calibration Menu ADC Zeros...

Page 18: ...een Info New screens are displayed by the user selecting either the lower left or the lower right buttons Generally speaking the left button brings you back to the previous screen and the right button...

Page 19: ...d screen is the Variables 1 screen which displays the values of six variables in real time CO2 H2O O2 Temperature Flow Rate and Pressure The Third screen is the Variables 2 screen which displays the v...

Page 20: ...period the proper CO2 value is displayed and the Status Box is blank The Main and right arrow buttons are operational during and after the warm up period Warming Up The status of W 54 1 means the WMA...

Page 21: ...displays the values of six variables in real time CO2 H2O O2 Temperature Flow Rate and Pressure Variables 1 Screen CO2 CO2 concentration reading ppm H2O H2O reading mb only if optional humidity sensor...

Page 22: ...stalled AUX AUX1 input voltage volts Left Arrow Button Displays the previous measurement screen the Variables 1 Screen Right Arrow Button Displays the next measurement screen the Graph Screen Graph Sc...

Page 23: ...the Measure screen This menu is the top level menu for all settings and user functionality of the system Main Menu Settings Button Controls major settings of the WMA 5 There are four sub menus under S...

Page 24: ...o Button Change view the settings associated with the zero zero type and time interval for performing zeros Alarms Button To set the CO2 limits low and high which will cause an alarm Reset Abs Button...

Page 25: ...more frequently initially after achieving the IRGA warm up temperature 55 o C At completion of warm up it will perform an initial zero then again after 3 minutes then again after 6 more minutes then...

Page 26: ...ical keypad will appear allowing a new number to be inputted See numerical keypad description under Zero Time section for details The WMA 5 is supplied with a factory default low alarm setting of 250...

Page 27: ...da lime is changed in the Auto Zero column to ensure reporting accuracy No Button Returns to the Settings 1 Menu without resetting the Zero Absorber capacity gauge Flow Settings This function allows t...

Page 28: ...o Select Yes or No enable or disable the Alarm Sound Back Button Returns to the Settings 1 Menu CO2 Units Settings CO2 Units Settings PPM Button Sets the units for CO2 in the Measure Screen Display to...

Page 29: ...averaging value range WMA ID Button To select an ID number of the WMA 5 Graph Button To set the CO2 Y axis range for the graph Back Button Returns to the Settings 1 Menu screen Right Arrow Button Cont...

Page 30: ...ns Thus when the CO2 concentration is changing rapidly averaging is suspended and the instrument can track changes at the basic instrument data rate of 1 second When the CO2 Avg Limit is set to 0 no r...

Page 31: ...ph Settings Max CO2 ppm Buttons To select the CO2 Y axis range for the Graph Screen Back Button Returns to the Settings 2 Menu Max CO2 Settings Radio Buttons Selects the CO2 Y axis range for the Graph...

Page 32: ...elect which Port to connect Host Reset WiFi Button To reset Wi Fi to Factory Settings if installed Back Button Returns to the Settings 2 Menu screen Right Arrow Button Continues to the Settings 4 Menu...

Page 33: ...on Returns to the Settings3 Menu Memory Settings Memory Measure Settings Format Button Determines the measure data format All data formats are available M1 M6 The default is M3 See the Measure Format...

Page 34: ...Connection Button To select which Port to connect Host USB Wi Fi Back Button Returns to the Settings 3 Menu Reset WiFi Settings Reset WiFi Settings Yes Button Reset Wi Fi to original Factory Settings...

Page 35: ...s This feature may be needed to correct an erroneous calibration or to simply undo undesirable configuration changes Back Button Returns to the Settings 3 Menu screen Right Arrow Button Continues to t...

Page 36: ...alues This feature may be needed to correct an erroneous calibration or to simply undo undesirable configuration changes No Button Returns to the Settings 4 Menu with no changes Calibration This WMA 5...

Page 37: ...ion the signal from the CO2 detector is referenced against a gas of known CO2 concentration The WMA 5 calibration procedure uses two reference points 1 Zero CO2 generated from air that has been scrubb...

Page 38: ...entration of the calibration gas that you are using This value must match the certified CO2 concentration of the calibration cylinder and be similar or higher than the anticipated measurement range of...

Page 39: ...not changing by more than 1 ppm after 30 seconds press the OK button To cancel without performing a Calibration press Stop If the process is successful the screen below will be displayed and the new...

Page 40: ...nnecting Reference Gas the WMA 5 During calibration the O2 Sensor readings are referenced against air of known O2 concentration Follow these instructions to calibrate the WMA 5 O2 Sensor 1 Connect the...

Page 41: ...the message Calibration failed will be displayed and no changes made The Back button returns the user back to the Main Menu Touch Calibration This function allows the user to calibrate the touch scree...

Page 42: ...Zero Button To retrieve the last 7 zero ADC values Hours Button To Display the WMA 5 Hours Voltages Button To Display the various measured voltages Back Button Returns to the Main Menu ADC Diagnostic...

Page 43: ...tton Puts the WMA 5 into Zero mode In Zero mode the A D value for CR should read approximately 40000 50000 if fresh soda lime is present in the absorber column The CR value in Zero mode should always...

Page 44: ...GA has been Powered Back Button Returns the display back to the Diagnostic Menu Voltage Diagnostics Voltage Diagnostics External V The measured voltage powering the WMA 5 Flow Sen V The voltage measur...

Page 45: ...ormation about serial numbers and the firmware versions Contact Button Information to contact PP Systems Back Button Returns to the Main Menu About About About Provides important information related t...

Page 46: ...WMA 5 Operation Manual V 1 01 46 support ppsystems com Contact Contact Contact Contact information for PP Systems Back Button Returns to the Information Menu...

Page 47: ...ut into a voltage With a 12V supply voltage the 4 20 mA can operate with a combined loop resistance shunt resistance plus cable resistance of approximately 500 Ohm or less With a 30V supply voltage th...

Page 48: ...B port for serial communication If needed the selection of the USB port can be changed or reset in Main Miscellaneous More Port RS232 For longer distance direct communication a standard RS232 output i...

Page 49: ...ure Settings section to modify these parameters Sending a command To initiate a command the Host i e Hyperterminal sends an ASCII string in CSV format to the WMA 5 The command can be sent with or with...

Page 50: ...hen it is warming up Standard commands are commands that are sent by the user CR represents a carriage return ASCII 13 WMA 5 Command Set Table WMA 5 Command Set Command Type Description Auto Indicates...

Page 51: ...E 11 CR In this example 11 is the Low Alarm error Fx Standard This command sets the Zero Valve x 0 Off x 1 On Example Sent from Host F1 CR Received from WMA 5 CR F1 In this example Zero Valve would b...

Page 52: ...age 0 4765 AUX1 Voltage 0 0000 and O2 Sensor Voltage 0 0000 S x v Standard This command sets a parameter in EEPROM non volatile memory The value of x is the number associated with a particular setting...

Page 53: ...returns the serial numbers and software versions of the WMA 5 controller the IRGA and the Display Example Sent from Host V CR Received from WMA 5 CR V WMA500007 01 02 IRGA00001 01 02 CR Where in this...

Page 54: ...Sound section 0 Off 1 On 0 Off 7 CO2 Concentration ppm See Analog Output Settings section 100 100000 2000 8 WMA ID See WMA ID section 0 9 1 9 Pump Power Percentage of the pump power i e air flow 0 100...

Page 55: ...USB interface GAS will run on Windows XP and above The GAS software is included on the flash drive that comes with each new instrument Part No xxxxx under the PC Utilities GAS_v x directory where x i...

Page 56: ...ation Manual V 1 01 56 support ppsystems com In the top left corner a box will appear listing all available WMA 5 devices Select one and click OK After clicking OK the main measurement screen will be...

Page 57: ...me segment Clicking the Advanced button will show a command line window for sending commands directly to and from the WMA 5 The Settings button allows the user to modify the parameters minimum and max...

Page 58: ...computer with a serial port PP Systems GAS Gas Analysis Software Graphical display of data and data logging Any serial device Custom user code Custom interface to user equipment or data loggers Wirele...

Page 59: ...nge of one another and each WMA 5 defaults to the SSID of WMA5 it will be difficult to determine which WMA 5 is connected to the wireless device When more than one WMA 5 is to be used it is recommende...

Page 60: ...the LAN can view the WMA 5 web pages 1 First connect to the WMA 5 using the SoftAP method described above from any wireless device Then navigate to the Wireless Network Settings Main Settings Yes 2 W...

Page 61: ...ssible and configurable through WLAN Profiles 6 Then once the WMA 5 is successfully connected a LAN view the Status page under the Interface wlan0 section to see the particular IP address that was ass...

Page 62: ...field of the browser enter IP address assigned to the WMA 5 such as 10 0 0 150 for the example shown Some browsers interpret that address as a search term rather than a LAN IP address so enter http 10...

Page 63: ...osition 20 22 AnT Temperature C of the gas sample position 23 26 Input 1 millivolts mV signal from sensor connected to AUX1 position 27 30 Input 2 millivolts mV signal from sensor connected to AUX2 po...

Page 64: ...as follows M4 Determines what data format is being displayed In this case M4 is Short format CO2 ppm CO2 reading in parts per million ppm mol m 2 s 1 Flow Rate cc min Rate of flow H20 Sensor Temperat...

Page 65: ...ing Air Pressure Relates to the atmospheric pressure reading Temperature Sensor1 Relates to temperature sensor 1 Temperature Sensor2 Relates to temperature sensor 2 Lamp Relates to lamp current Last Z...

Page 66: ...acter is invalid Example S1 1 CR 32 Invalid Parameter Host only Command is correct but parameter is not Example S 20 5 The value of 20 is an invalid parameter 33 Low Range Limit Host Only Value entere...

Page 67: ...ppsystems com drive 61 Disk DD Disk related message Disk detected This message is seen each time a disk is inserted into the drive 62 Disk DR Disk related message Disk removed This message is seen ea...

Page 68: ...ting soda lime but this type is no longer available and has since been replaced by the white to violet indicating soda lime For most applications running at low CO2 concentrations i e less than 2000 p...

Page 69: ...checked periodically However they must be present to prevent any of the column contents being drawn with the gas stream causing damage to the instrument End Cap O Rings Each end cap has two O rings o...

Page 70: ...e seal and extend the life of the O ring and to keep it from cracking or breaking Hydrophobic Filter An internal hydrophobic filter Part No 10045 1 is located inside the smaller terminal block enclosu...

Page 71: ...d last for many years If replacement is necessary please contact PP Systems Infrared Source The infrared source should last for many years and not require replacement The obvious sign of failure is th...

Page 72: ...Embedded Device Server According to ISO IEC Guide and EN 45014 Manufacturer s Name Address Lantronix Inc 167 Technology Drive Irvine CA 92618 USA Declares that the following product Product Name Model...

Page 73: ...llation This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications Ho...

Page 74: ...stems com Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment This equipment should be installed and operated with minimum...

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