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PP Systems WMA-5, Руководство по эксплуатации

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WMA-5 Operation Manual V. 1.01 

15 

[email protected] 

 

USB Memory Stick Port 

A USB Memory Stick Port is available on the front panel to allow users to save data directly to a USB 
flash drive (also commonly referred to as a “thumb drive” or “memory stick”).  When a USB flash drive is 
inserted into the USB Memory Stick port, the LED indicator will first turn red in recognition of the flash 
drive and then it will flash green indicating that it is available to save data to it. 

Flow Adjustment 

The WMA-5 features an internal electronic flow sensor for measuring the flow.  It is factory calibrated by 
the manufacturer and should remain within the accuracy tolerance for life.  Flow rate is adjustable by 
changing the Pump Power percent in the Flow settings in the touch display.   

Flow Range: 200-500 cc/min 

We recommend a flow rate of 280-340 cc/min for optimal performance. 

Important Note 

If the WMA-5 is reading low CO

2

, chances are that there is no flow through the analyzer.  Check the water 

trap to make sure that it is not filled with water. 

Absorber Column and CO

2

 Scrubber 

The absorber column contains a CO

2

 scrubbing desiccant commonly referred to as Soda Lime.  When air 

passes through this column, it removes all of the CO

2

 from the air stream.  The “Auto-Zero” facility built 

into the WMA-5 periodically switches the flow of gas from the analyzer through this column to check the 
analyzer zero.  This routine ensures long term stability and accuracy of the CO

2

 analyzer.  It automatically 

corrects for such things as sample cell contamination, source aging, detector sensitivity and changes in 
electronics.  

Soda Lime (CO

2

 Scrubber) 

Soda lime (Sodium Hydroxide) is used to remove CO

2

 from air entering the WMA-5. Both self-indicting 

(white to violet) and non-indicating Soda Lime can be can be used with the WMA-5.   Refer to Soda Lime 
on page 68 for maintenance and replacement information. 

Data Port 

The Data Port line can be connected to the COM port of a PC that is running a terminal emulation 
program (i.e. Hyperterminal).  Measure data is continuously sent through this port.   

 

 

 

 

 

Содержание WMA-5

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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