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GMW90 Series User's Guide M211659EN-A

1. Table 9 FORM Command Parameters Measured Parameter Abbreviation in FORM Command Carbon dioxide CO2 Relative humidity RH Temperature T Dew frost point temperature Tdf Dewpoint temperature Td Wetbulb temperature Tw Enthalpy h Mixing ratio x Absolute humidity a Dew frost point depression dTd Table 10 FORM Command Modifiers Modifier Description X Y Length modifier number of digits and decimal places t Tabulator r Carriage return n Line feed Ge String constant length 1 15 characters XXX ASCII code value decimal of a special character for example 027 for ESC Ux Shows the name of the measurement unit using x number of characters For example U3 shows the name of the measurement unit with three characters CS2 Modulus 256 checksum of message sent so far ASCII encoded hexadecimal notation CS4 Modulus 65536 checksum of message sent so far ASCII encoded hexadecimal notation CSX NMEA xor checksum of message sent so far ASCII encoded hexadecimal notation Operation NOTE When entering modifiers you can also use the backslash character instead of the hash VAISALA 45 User s Guide Serial Line Settings 46 Set Remote Echo Use the ECHO command to enable or disable remote echo by the transmitter ECHO 0n off lt cr gt Example gt echo on Echo ON Set Serial Line Turnaround
2. Property Data type Writable Value or Initial Value Object Identifier BACnet Object Identifier No 00 80 00 01 hex Object Type 2 Instance 1 Object Name Character String No OPER P Object Type BACnet Object Type No 2 Analog Value Present Value Real Yes 1013 25 Description Character String No Operation Pressure Units BACnet Engineering Units No 133 hectopascals Status Flags BACnet Status Flags No 0 FAULT FALSE Event State BACnet Event State No 0 NORMAL does not change Out of Service BOOLEAN No 0 FALSE Table 37 Status Flags Flag State Cause IN_ALARM FALSE Always FALSE FAULT FALSE Always FALSE OVERRIDDEN FALSE Always FALSE OUT OE SERVICE FALSE Always FALSE 84 M211659EN A Appendix A BACnet Reference Operation Altitude Object Set current atmospheric pressure to improve the calculation accuracy of pressure dependant humidity parameters NOTE Pressure and Altitude objects are linked together If Present Value in one object is changed Present Value in another object is changed accordingly Table 38 Operation Altitude Object Parameters Property Data type Writable Value or Initial Value Object Identifier BACnet Object Identifier No 00 80 00 02 hex Object Type 2 Instance 2 Object Name Character String No OPER Altitude Object Type BACnet Object Type No 2 Analog Value
3. cccccecccccccecesseeeeececeeeaeeneeeeeeeeeeeaaees Documentation Conventions sseesnnnerersensrrrrrireesrern Recycling 22 cac ose coco ea set ees net obec acted ca peace eedelcte seeeeccbev etude Ge venconees Regulatory Compliance ccccssseeeeeseeeeeeesseeeeeeeseeeeeessnnens Patent NOtice ics irri ein aal re Aere CERN Taen Nat Naena Trademarks ataare aeran aeran aaa aaaea aana i aain aati aaan Software LICENSE ieaiaia ina aaea Eno REESEN Warranty os srsersanarenninpaeins nanana rar aA NRA AON EAEEERENNAEE ENEE REENEN CHAPTER 2 PRODUGT OVER VIEW eege peaa Ea e e ae eege Geer Introduction to GMW90 Series ecceeeeeeeeeeeeneeeeeeees GMW90 Series Transmitters RSR ENEE En Output Parameters Explained ccsceseeeceeeeeeeeseeeeeeeeeees Transmitter Batterie egeuedeg eege ege Decorative Cover Option EEN En CHAPTER 3 INSTALLATION 6 ie oie ediedeccctiee satis secede cedet sliaedevecaesdvesuuesduvedecedseslieedvecceesdeesuueeds Configuration Before Installation c cccsesseeeseseeeeseseeeens Configuration of Digital Output Models eee DIP Switches of Digital Output Models 0 eee Addressing with BACnet Protocol ccceeeeeeeeeeees Addressing with Modbus Protocol Selecting Location eseeceseseeeeeseseeeeeseseeeeeeeseeeseneseeneneeseenens Installing the Mounting Base cccssseeeessseeeeeeeeeeeeeeeeeenens KU H WAKING GMW 95 TEE Connecting
4. gt pass 9000 gt ct reset OK Enter Calibration and Adjustment Information Use the CTEXT command to store a text string that describes the calibration and or adjustment To enter a text string with spaces enclose the string in quotation marks Use the CDATE to store the date CTEXT text lt cr gt CDATE YYYY MM DD lt cr gt Examples gt pass 9000 gt ctext adjusted rhlab Tech021 adjusted rhlab Tech021 gt edate 2011 12 08 Calibration date 2011 12 08 Other Commands 52 Enable Advanced Serial Commands Use the PASS command to enable the advanced serial commands PASS passcode lt cr gt where passcode Passcode to enable advanced commands is 9000 Example gt pass 9000 M211659EN A Chapter 4 VAISALA Operation Reset Transmitter Use the RESET command to reset the transmitter RESET lt cr gt Example gt reset Resetting GMW95R 1 1 28 5849 XM90 gt Set BACnet Parameters Use the BACNET command to show or set some of the transmitter s BACnet parameters You can also use the BACNET command to reinitialize the BACnet stack of the transmitter without having to reset or power cycle the transmitter BACNET parameter_name parameter_value reinit lt cr gt where parameter name Name of the BACnet parameter to change Available parameters are Instance BACnet instance number Unsigned value in range 0 4194302 Name BACnet Object_Name shown
5. Unknown Transmitter is installed in an unsuitable location for example near a heat source or in sunlight Relocate transmitter See section Selecting Location on page 24 Transmitter installed in improper orientation Advanced commands not enabled Reinstall transmitter with the arrow on the mounting base pointing up Issue the PASS 9000 command Remote echo enabled on the transmitter causing collisions on the RS 485 line Issue the ECHO OFF command to disable remote echo Intermittent connection problem between the transmitter and your terminal Issue the command again Cannot see what you are typing on the serial line Serial line echo not enabled Enable local echo on your terminal See section Terminal Application Settings on page 33 Unable to complete CO adjustment successfully Incorrect reference gas flow Breathing on transmitter while using ambient gas as reference Measurement not stabilized before attempting adjustment Incorrect calibration gas concentration s used for 2 point calibration Retry calibration after reading section Calibration and Adjustment on page 55 65 User s Guide Error Messages 66 Table 12 Error Messages Error Text Error ID on Possible Cause Remedy on Display Serial Line HTM1001 23 Communication Check that the HTM10 problem with module si
6. Average Maximum Power consumption Output type RS 485 end of line termination Supported protocols BACnet MS TP Operating mode Address range master mode Address range slave mode Modbus RTU Address range Service port Table 16 Property IP class Mechanics 24 VAC 20 50 60 Hz 20 mA at 24 VDC 50 mA at 24 VDC lt 0 6 W RS 485 galvanic isolation 1 5 kV Enable with jumper 120 O Selectable by DIP switch Selectable Master Slave 0 127 128 255 0 247 RS 485 line for temporary service use Description Value IP30 Standard housing color White RAL9003 Housing material ABS PC UL VO approved Output connector Screw terminals max wire size 2 mm AWG14 Service port connector 4 pin M8 Weight 163 g RAL code is only indicative with potential small variations in color shade M211659EN A Chapter 7 Technical Data Spare Parts and Accessories a Information on spare parts accessories and calibration products is available online at www vaisala com and store vaisala com KE kk Table 17 GMW 90 Series Spare Parts and Accessories Description Order Code Carbon dioxide measurement module GM10SP Temperature measurement module for CO2 T models TM10SP Humidity and temperature measurement module CO2 T RH models HTM10SP Decorative cover set 10 pcs 236285 Connection cable for HM70 GM70 hand
7. BACnet protocol active MAC 0 00h Device Instance 6 00000006h Name GMW95R_ H2930002 Location Location Description Description MAX MASTER 127 7Fh Node type Master Baud setting Auto Current baudrate 19200 ONT Baudrate locked No Baud detection interval 10 s DCC Communication enabled Valid frames 0 Invalid frames 0 Unwanted frames 0 Lost tokens 0 Failed TX 0 37 User s Guide 38 Example display full status gt status Device Name Copyright SW Name SW Model SW version Serial number Address SUB FUNCTIONS Serial Port COM1 Mode Error Manager Status Active errors MCI communication Status ERR Measurement module Status Factory date Measurement module Status Calibration BACnet module BACnet protocol MAC Device Instance Name Location Description MAX MASTER Node type Baud setting MODBUS module MODBUS protocol GMW95R Copyright Vaisala Oyj 2013 XM90 XM9x 1 1 28 5849 H2930002 0 STOP NORMAL 0 MCI NORMAL HTM10 NORMAL 20130720 GM10 NORMAL 20130819 BACNI ET active D 00h 6 O00000006h GMW95R_ H2930002 Location Description 127 7Fh Master Auto MODBUS inactive M211659EN A Chapter 4 Operation Show Measured Parameters Use the CALCS command to list the measurement parameters that are su
8. Present Value Real Yes 0 0 Description Character String No Operating Altitude Units BACnet Engineering Units Yes 31 meters or 33 feet Status Flags BACnet Status Flags No 0 FAULT FALSE Event State BACnet Event State No 0 NORMAL does not change Out of Service BOOLEAN No 0 FALSE Table 39 Status Flags Flag State Cause IN_ALARM FALSE Always FALSE FAULT FALSE Always FALSE OVERRIDDEN FALSE Always FALSE OUT OE SERVICE FALSE Always FALSE VAISALA 85 User s Guide BIBBs Supported Table 40 below lists all the BIBBs which per ANSI ASHRAE Standard 135 2008 could be supported by a BACnet Smart Sensor B ASC The checked BIBBs are supported by the device Table 40 BACnet Smart Sensor BIBBs Support Application Service B SS Designation Supported Data Sharing Read Property A DS RP A o Data Sharing Read Property B DS RP B v1 Data Sharing Read Property Multiple A DS RPM A o Data Sharing Read Property Multiple B DS RPM B vi Data Sharing Write Property A DS WP A o Data Sharing Write Property B DS WP B v1 Data Sharing Write Property Multiple B DS WPM B O Data Sharing COV Unsolicited A DS COVU A v1 Data Sharing COV Unsolicited B DS COVU B o Alarm and Event Notification Internal B AE N I B o Alarm and Event ACK B AE ACK B O Alarm and Event Information B AE INFO B o Alarm and Event Enrollment Summa
9. Confirm the automatic power off notification with Ok Select parameter for adjustment CO2 RH or T Screen shows the measured values and their difference Press Adjust to select the Adjustment mode Select the desired adjustment type using arrow buttons and press Select To same as reference Adjusts the measurement of the GMW90 transmitter to the same reading as the reference that is connected to the other port This option is not available if no reference for the selected parameter is connected to the MI70 indicator 1 point adjustment Adjusts the measurement of the GMW90 to a reference value that you specify Follow the instructions from the HM70 when using this option 2 point adjustment Adjusts the measurement of the GMW90 at two points to reference values that you specify This option is not available when adjusting temperature T Revert factory calib This option removes the currently applied user adjustment from the measurement module GM10 module for CO2 HTM10 module for RH or T Only the adjustment for the selected parameter is removed Complete the selected adjustment by following the instructions from the MI70 indicator 59 User s Guide 60 Adjustment Using a PC For more detailed instructions on using the Vaisala USB cable and a terminal application see section Connecting With a PC on page 32 For a description of the serial commands see section Calibration and Adjustment Commands on
10. Technical Support For technical questions contact the Vaisala technical support by e mail at helpdesk vaisala com Provide at least the following supporting information Name and model of the product in question Serial number of the product Name and location of the installation site Name and contact information of a technically competent person who can provide further information on the problem Product Returns VAISALA If the product must be returned for service see www vaisala com returns Depending on the transmitter condition Vaisala may replace measurement modules or the entire transmitter For contact information of Vaisala Service Centers see www vaisala com servicecenters 69 User s Guide This page intentionally left blank 70 M211659EN A Chapter 7 Technical Data CHAPTER 7 TECHNICAL DATA This chapter provides the technical data of the GMW90 series transmitters Specifications VAISALA Table 13 Property Carbon dioxide Performance Description Value Measurement range 0 5000 ppm Accuracy 20 30 C 68 86 F 10 20 C 30 40 C 50 68 F 86 104 F 30 ppm 2 of reading 35 ppm 2 7 of reading 45 ppm 3 8 of readin Stability in typical HVAC applications Total accuracy at room temperature 75 ppm at 600 and 1000 ppm including 5 years drift Carbon dioxide sensor
11. Delay With the SDELAY command you can set the turnaround delay of the transmitter time waited before replying to an incoming message or view the currently set delay value SDELAY delay lt cr gt where delay Turnaround delay in milliseconds range 1 1000 Example gt sdelay 5 COM1 transmit delay 5 M211659EN A Chapter 4 Operation Calibration and Adjustment Commands The following sections describe the calibration and adjustment commands of the GMW90 series For general information on performing calibration and adjustment on the serial line see section Adjustment Using a PC on page 60 NOTE You must enable advanced serial commands using the PASS 9000 command before using the calibration and adjustment commands Adjust CO Measurement Use the CCO2 command to adjust the carbon dioxide CO2 measurement You can do a 1 point or a 2 point adjustment or clear the adjustment information from the GM10 module Note that the factory adjustment will remain intact when user adjustment is cleared Remember to let the transmitter stabilize in the reference concentration before entering the adjustment command Three minutes is typically enough NOTE Before using the CCO2 command read section Notes for CO2 Adjustment on page 56 VAISALA Show Current CO Adjustment In addition to the user adjustable offset and gain values the CCO2 command displays diagnostic information that may b
12. ENUMERATED Vendor Name Character String N R Vaisala Oyj Fixed Vendor_Identifier Unsigned16 N R 339 Fixed Model_Name CharacterString N R Product model Nonvolatile For example GMW95 Firmware_Revision CharacterString N R X X X X Fixed BACnet interface Application _Software_R CharacterString N R X X X X Fixed evision Location Character String 50 Y O Location Nonvolatile Description Character String 50 Y O Description Nonvolatile Protocol_Version Unsigned N R 1 Fixed Protocol_Revision Unsigned N R 4 Fixed Protocol_Services BACnetProtocolServices N R Read Property Fixed Supported BIT STRING Read Property Multiple Write Property Device Communication Control Reinitialize Device Who Is Who Has Protocol_Object_Types BACnetObjectTypesSupp N R Analog Input Fixed _ Supported orted BIT STRING Analog Value Device Object_List BACnetARRAY N of N R Device Object Fixed BACnetObjectldentifier Al1 Carbon Dioxide Al2 Relative Humidity Al3 Temperature Al4 Dewpoint AIS Dewpoint Tdf Al6 Dewpoint depression Al7 Wet bulb temperature Al8 Absolute humidity Al9 Mixing ratio Al10 Enthalpy AV 1 Pressure AV2 Altitude 78 M211659EN A Appendix A BACnet Reference Property Data type Application Writable Value or Initial Value Persistence Type Conforma nce Code Max_APDU_Length_Ac Unsigned16 N R 244 Fixed cepted Max_Master U
13. Figure 2 Transmitter Parts Outside 1 GO AJ Ch GP 3 O II Locking screw for mounting base Not included M36 recommended Inlet for CO calibration gas Use a 3 mm inner diameter silicone tube and 0 4 l min flow Adjustment trimmers Service port Window for display only in models where the display is visible Locking screw for slide Not included M36 recommended Display CO level indicator LEDs Enabled on models with LED option Default settings Green LED bottom lit between 0 800 ppm CO2 Yellow LED middle lit between 800 1200 ppm CQ Red LED top lit between 1200 5000 ppm CO blinking at gt 5000 ppm CO Type label Holes for indicator LEDs only in models with LED option Grip for slide M211659EN A Chapter 2 Product Overview 1201 005 Figure 3 Opening the Transmitter 1 Push tab down with a screwdriver to open the transmitter To open use a screwdriver to push down the tab that holds the transmitter cover and mounting base together Pull the mounting base away from the cover starting from the top To close connect the bottom of the transmitter first and tilt the top forward to close the tab Closing the transmitter starts it up if power is supplied to the screw terminals CAUTION When opening or closing the transmitter avoid damaging the transmitter electronics with the two plastic supports on the mounting base VAISALA 1
14. Remember to leave sufficient clearance below the transmitter to operate the slide For mounting dimensions see section Dimensions in mm on page 74 NOTE When bringing a cable through the wall note that the hole may also supply air from outside the room into the transmitter This may affect the measurement readings For example fresh concrete binds CO and may cause low readings especially in new buildings Seal the cable opening if necessary 24 M211659EN A Chapter 3 Installation Installing the Mounting Base Use the mounting holes to attach the mounting base securely Use at least two screws not included The arrow on the mounting base must point straight up after installation Proper orientation is important air must flow through the vents on the bottom and top 1310 043 Figure 9 Installing the Mounting Base Wiring Connect the wiring to the screw terminals on the mounting base The supply voltage and terminal assignments are model specific Max wire size 2 mm AWGI4 You can bring the cable to the housing from above or from behind recommended If you are wiring a GMW90 series transmitter from above note that the GM10 module takes up significant space inside the transmitter To make sure there is enough space to close the transmitter use a lt 5 mm cable and route it from the left side of the mounting base See Figure 11 on page 26 After completing the wiring connect the t
15. Several Transmitters on Same EE Connecting a Common AC Power Supply to Several TRAMSIMITGIS seraa A E acces badecgetatedeetsiee CHAPTER 4 OPERATION eeng guten de vaste eut eegene ege gege de nates Dis play midid ensa See GEES SERA ER EES Startup Screens cccccececeececeececeeeeeeeseneaeeeeeeeseeeenaeeeeneees VAISALA User s Guide Measurement Screen ssossssneessserrrnretertertrnnnenesrerrr nnne eee 30 Indicators on the Display 31 Service Rort soccce aeaeaie aaen tadan entisen aaka ee See 31 Connecting With an MI70 Indicator ce eeeeeeeeteeeeenees 31 Connecting With a PC 32 Installing the Driver for the USB Service Cable 32 Terminal Application Settings cccceceeeeeeeeeees 33 List of Serial Commands ccccceeeesseeeeeeeeeeeeeesseeneeeeeeees 35 Transmitter Information 0 ccceceeeeeeeeeeeeeeeseeeeeeeeeeeeeeeenenees 36 Show Transmitter Information ecceeeeeeeeeeeeceeeeeeees 36 Show Transmitter Firmware Version 36 Show Transmitter Serial Number 36 Show Transmitter Status 0 ccccesseseeceeceeeeeseeesseseeeeeeees 37 Show Measured Parameters sssssesenerensseerrnrneneserrrr nne 39 Show Command Help 39 Show Command List c ecccceceeeeeececaeceeeeeeeseesaeaeeeeeees 40 Measurement Settings cccccssccccesseeeeeeseeeeesseeeeesseeeeeessenenees 40 Set Environmental Parameters
16. State ooo T auee OOOO U OO 0 NORMAL Reliability equals 0 NO FAULT DETECTED 1 FAULT Reliability not 0 82 M211659EN A Appendix A BACnet Reference Calculated Humidity Objects Table 31 Calculated Humidity Objects Instance Name Description Unit 4 Td Dewpoint 62 64 C F 5 Tdf Dewpoint 62 64 C F 6 dTd Dewpoint depression 121 120 A K A F 7 Tw Wet bulb temperature 62 64 C F 8 a Absolute humidity 217 2000 grams per cubic meter grains per cubic foot Vaisala defined unit 9 x Mixing ratio 28 2001 grams of water per kilogram dry air grains of water per pound Vaisala defined unit 10 h Enthalpy 149 24 kilojoules per kilogram dry air btus per pound of dry air Table 32 Calculated Humidity Object Properties Property Data type Writable Value or Initial Value Persistence Application Type Conformance Code Object_Identifier BACnetObjectldentifier No R 00 00 00 xx hex Nonvolatile Object Type 0 Instance x See Table 31 above Object_Name CharacterString No R See Table 31 above Nonvolatile Object_Type BACnetObjectType No R 0 Analog Input Fixed ENUMERATED Present_Value Real Yes 0 0 Volatile When Oos R Description CharacterStrin No O See table above Nonvolatile Units BACnetEngineeringUnits No R See table above Nonvolatile ENUMERATED Status_Flags BACnet Status Flags
17. Vaisala CARBOCAP GM10 Temperature Measurement range 5 55 C 23 131 F Accuracy 20 30 C 68 86 F 10 20 C 30 40 C 50 68 F 86 104 F 5 10 C 40 455 C 23 50 F 104 131 F 0 5 C 0 9 F 0 6 C 1 08 F 0 8 C 1 44 F Temperature sensor Digital temperature sensor Relative humidity Measurement range 0 95 RH non condensing Accuracy Temperature range 10 40 C 50 104 F 0 60 RH 60 80 RH 80 95 RH Temperature range 5 10 C 40 55 C 23 50 F 104 131 F 0 60 RH 60 80 RH 80 95 RH 2 5 RH 3 0 RH 4 0 RH 3 5 RH 4 0 RH 5 0 RH Stability in typical HVAC applications 0 5 RH year Humidity sensor Complies with CEC 400 2008 001 CMF Vaisala HUMICAP 180R 71 User s Guide 72 Table 14 Property Operating temperature range Operating humidity range Operating Environment Description Value 5 55 C 23 131 F 0 95 RH Dewpoint lt 30 C 86 F Storage temperature range 30 60 C 22 140 F Electromagnetic compliance EN61326 1 Industrial Environment Table 15 Inputs and Outputs Property Description Value Digital Models Supply voltage 18 35 VDC Current consumption with 120 Q termination
18. by GMW90 Series Parameter Symbol Unit s Description Carbon CO2 ppm Concentration of carbon dioxide dioxide gas Temperature T C Temperature in Celsius or F Fahrenheit scale Relative RH Ratio of the partial pressure of humidity water vapor in the air to the saturation vapor pressure of air at the current temperature Dewpoint Td C Temperature at which the water F vapor in the air will condense into water at the current pressure Dewpoint Tdf C Same as Td except when the F dewpoint is below 0 C the transmitter outputs frostpoint Tf instead of dewpoint Dewpoint dTd C Difference between ambient depression F temperature and dewpoint Tdf Wet bulb Tw C The minimum temperature that temperature F can be reached by evaporative cooling in the current conditions Absolute a g m3 Quantity of water in a cubic meter humidity gr ft3 or cubic foot of air Mixing ratio x g kg Ratio of water vapor mass per orl kilogram or pound of dry air Enthalpy h kJ kg Sum of the internal energy of a btu Ib thermodynamic system NOTE All of these parameters are visible and selectable using the service port serial line and MI70 indicator use even if your transmitter model does not have a humidity sensor However the transmitter will not show any measurement results for parameters that it cannot measure or calculate VAISALA 15 User s Guide Transmitter parts 16 1310 038
19. cccceceeseeeseceeeeeeees 40 Display Settings eea aer aae ra eaae EA cincnsds ensasntenswends 41 Select Parameters to Display 41 Serial Line Output CommandS sssssssssssssssnnnnnnennnnnnnnnnnnnnnnnn 42 Start Measurement Output 42 Stop Measurement Output 42 Output a Reading Omce 42 Set Output Interval nenese ttnrnensseenrnnnnnnsreenn nnn 43 Set Output Format 44 Serial Line Settings cccccceseeeeseeeeeeeeeeeeeeeeeeeeeeeeeseeneeeeseenens 46 Set Remote Echo 46 Set Serial Line Turnaround Delay 0 ceeceeeeeeeeteeeeeenees 46 Calibration and Adjustment Command cccseseeeeeseerees 47 Adjust CO Measurement nenne 47 Show Current CO Adiustmment eneee ne neee eee ee 47 1 point Adjustment of CO Measurement ee 48 2 point Adjustment of CO Measurement sssnnnneaeen 48 Clear User Adjustment of CO2 Measurement 49 Adjust Humidity Measurement cccceeeeeeeeeeeeeeeteeneees 49 Show Current RH Adjustment 0 eceeeeeeeeeeeeeeeee 49 1 point Adjustment of RH Measurement eee 50 2 point Adjustment of RH Measurement eee 50 Clear User Adjustment of RH Measurement 51 Adjust Temperature Measurement 51 Show Current T Adjustment c eeceeeeeeseeeeeenteeeeeeee 51 1 point Adjustment of T Measurement 51 Clear User Adjustment of T Measurement 52 Enter Calibration and Adjustment Information 000seaaaee 52 Other Commands aea an anaa enno raenek Aoi eberan aK
20. example the value on the gas cylinder label according to the graph below 800 700 600 500 400 300 200 100 0 Jows 1100 SS ppmco2 500 ppmco2 1000 ppmCcO2 2000 ppmco2 5000 ppmCO2 200 300 400 500 600 700 800 900 Correction ppmCO2 Ambient pressure hPa Figure 19 Effect of Pressure on CO2 Reading Notes for T Adjustment Temperature adjustment is always a simple 1 point offset correction Notes for RH Adjustment 1 point humidity adjustment affects both offset and gain depending on the adjustment condition In a dry condition for example 11 RH offset is adjusted more than gain The 1 point humidity adjustment requires that the target condition is at least 50 of the currently measured value This prevents the user from making excessive corrections that are very unlikely to be needed 57 User s Guide Adjustment Using Display and Trimmers CAUTION The trimmers only turn 135 degrees each way less than half a rotation Do not force the trimmer past the stopping point If you wish to apply a greater correction than allowed by the trimmer in a single adjustment simply adjust the transmitter again Corrections applied using the trimmers are cumulative NOTE User calibration settings adjustment by trimmers or service port are stored in the measurement modules If you replace a module there is no need to undo previous adjustments 1 T
21. held MI70 indicator or PC yAISALA 1310 036 Figure 1 GMW90 with Visible Display and Indicator LEDs VAISALA 13 User s Guide GMW90 Series Transmitters Table 4 below lists the most important differences between the GMW90 series transmitter models For technical specifications see Chapter 7 Technical Data on page 71 Table 4 GMWOU Series Transmitters Product Code Short Description GMW95 Carbon dioxide and temperature transmitter with digital output isolated RS 485 BACnet MS TP or Modbus protocol DIP switch setting display hidden under sliding cover GMW95D Carbon dioxide and temperature transmitter with digital output isolated RS 485 BACnet MS TP or Modbus protocol DIP switch setting visible display GMW95R Carbon dioxide humidity and temperature transmitter with digital output isolated RS 485 BACnet MS TP or Modbus protocol DIP switch setting display hidden under sliding cover GMW95RD Carbon dioxide humidity and temperature transmitter with digital output isolated RS 485 BACnet MS TP or Modbus protocol DIP switch setting visible display GMW90 GMW90 series wall mount transmitter that has been customized at Vaisala Check type label on transmitter body and terminal label on the mounting base 14 M211659EN A Chapter 2 Product Overview Output Parameters Explained Table 5 Parameters Supported
22. in the Device object String value no spaces Description BACnet Description shown in the Device object String value no spaces Location BACnet Location shown in the Device object String value no spaces Password Password used in ReinitializeDevice service String value no spaces MAX MASTER Max Master parameter in Device object Unsigned value range 127 parameter_value New value of the parameter See descriptions above for allowed values reinit Reinitializes the BACnet stack Must be given as the only argument for the BACNET command 53 User s Guide 54 Example show BACnet parameters gt pass 9000 gt bacnet Instance 6 00000006h Name GMW95R_ H2930002 Location Location Description Description Password 1234 MAX MASTER 127 007Fh COV_Interval 0 Autobaud_Interval 10 Example change Description to main ball and reinitialize the BACnet stack gt pass 9000 gt bacnet description main_hall Description main ball gt bacnet reinit Reinitialize signaled to BACnet stack M211659EN A Chapter 5 Maintenance CHAPTER 5 MAINTENANCE Cleaning This chapter provides information that is needed in basic maintenance of the GMW90 series The body of the transmitter can be cleaned by wiping with a moistened lint free cloth Do not use cleaning agents or solvents or blow pressurized air into the transmitter housing Do not attempt to clean cont
23. on CO2 Reading eeeeeseerreeeerrerrereses 57 Figure 20 Trimmer Centering Screen ssssseessrreseerreersrnesrrrrssrinnesrenneens 58 Figure 21 Adjustment Screen 0 ecccecceeceeeeeeeeeeeeeeeeeeeeeeeeeeeeseeneeeeseenaeees 58 Figure 22 Disconnecting the GM10 Module ssssssseeeeseeeeeeseerrsserrrsseeeesns 62 Figure 23 Replacing the HTM10 Module ceceeceeeeeeeeeeeeeenteeeeeeneeees 63 Figure 24 DIP Switches in Factory Reset Position c cc ceeeeeeeeeeees 68 Figure 25 GMW90 Series Dimensions cccceeeeeeeeeeeeeeeeteeneeeeeeeaees 74 Figure 26 Dimensions of the Mounting Base 74 4 M211659EN A List of Tables VAISALA Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Table 19 Table 20 Table 21 Table 22 Table 23 Table 24 Table 25 Table 26 Table 27 Table 28 Table 29 Table 30 Table 31 Table 32 Table 33 Table 34 Table 35 Table 36 Table 37 Table 38 Table 39 Table 40 Table 41 Table 42 Table 43 Table 44 Table 45 Table 46 Table 47 Table 48 Manual Revisions essneseeesseesrnnneteseentrnrttestrtrtnntnesternnnn nennen ent 8 Related Manuals cccccccecsecceceeeeeeeeeeneeceeeeeeeeeeencaeeeeeeneeeeees 8 Applicable Patent 10 GMW90 Series Transmitters neers ee nr nenssrerrnr renn 14 Parameters Supported by GMW90 Gertes 15 Serial Interfac
24. outside the GMW90 registers A quiet NaN value is returned for unavailable values Writing any NaN or infinite value is silently ignored NOTE A complete 32 bit floating point value should be read and written in a single Modbus transaction VAISALA 89 User s Guide Table 44 GMW90 Modbus Status Registers Read only Name Address Description Error code bits 15 0 0513 6913 Table 45 GMW90 Modbus Error Code Bits Bit Description 0 Any critical error is active Requires transmitter restart or maintenance 1 Any error is active May be recoverable 2 Internal error Flash 3 Module communication or compatibility error 4 HTM10 module error 5 Temperature measurement error 6 Humidity measurement error 7 GM10 module error 8 CO2 measurement error 9 Miscellaneous error Table 46 GMW90 Modbus Configuration Parameter Registers Metric Metric unit amp Non metric Non metric GD valid range float integer 0777 0779 1029 700 1100 hPa 7177 7179 7429 x1 0779 0780 1030 a 700 2300 m 7179 7180 7430 x1 Non metric unit amp valid range 700 1100 hPa 2300 10000 ft Pressure Elevation NOTE Elevation is linked to pressure according to the following equation p 101325 1 2 25577 10 hy where p is pressure in Pa and is altitude above sea level in m This means that changing altitude will also change pr
25. page 47 l Connect the GMW90 series transmitter to your PC using the Vaisala USB cable order code 219690 Start a terminal application and open a new session to the service port of the transmitter The serial line settings are 19200 N 8 1 Before changing the adjustment issue the following commands to see the transmitter s current adjustment information pass 9000 cco2 ct crh ctext cdate Note that the CRH command is not available if your transmitter does not support humidity measurement Place the entire transmitter in the desired reference condition and allow the measurement to stabilize Follow the stabilization from the serial line output from the R command or the display You can now use the CCO2 CT and CRH commands to adjust the transmitter s measurement Refer to the command descriptions for the available options After performing the adjustment verify from the serial line or the display that the measurement has been corrected After completing the adjustments you can enter a descriptive text string in the transmitter s memory using the CTEXT command and note the adjustment date using the CDATE command M211659EN A Chapter 5 Maintenance Repair Maintenance If you cannot restore the measurement accuracy of the transmitter by calibration and adjustment you can replace the measurement modules inside the transmitter Measurement modules are the small component boards that are connected
26. service port For connection instructions and serial line commands see Chapter 4 Operation on page 29 Some configuration actions can be done using the BACnet and Modbus protocols See the following appendices for protocol implementation details Appendix A BACnet Reference on page 75 Appendix B Modbus Reference on page 89 21 User s Guide DIP Switches of Digital Output Models Parity Even Non Metric Modbus 128 64 32 16 8 4 2 1 ON ARRAS 1 2 3 4 5 Bee amp Address Binary Weighting Metric BACnet Parity None 1209 016 Figure 6 DIP Switch Settings of Digital Output Models DIP Position Setting 1 Modbus Modbus protocol in use BACnet BACnet protocol in use 2 4 A B C Serial line baud rate Off Off Off Automatic default Off Off On 4800 not available with BACnet protocol Off On Off 9600 Off On On 19200 On Off Off 38400 On Off On 57600 On On Off 76800 On On On 115200 5 Parity Even Select 8E1 parity even for Modbus protocol Parity None Select 8N2 parity none for Modbus protocol 6 Non Metric Use non metric units on display and service port No effect on Modbus and BACnet Metric Use metric units on display and service port No effect on Modbus and BACnet 7 Not used 8 Not used NOTE If the serial line baud rate is set to Automatic the transmitter attempts to determine the baud rate of the traffic in
27. the RS 485 network The transmitter cycles through all baud rate choices listening for 10 seconds at each rate When it detects valid RS 485 traffic it remains at the detected baud rate until it is reset or power cycled 22 M211659EN A Chapter 3 Installation Dip switches marked Address Binary Weighting set the MAC address of the GMW90 series digital transmitter The address is encoded in eight bit binary form with each numbered switch representing a single bit For example 128 64 32 16 8 4 2 1 Binary 10100001 Decimal 161 128 32 1 1209 009 Figure 7 Example of Transmitter Addressing Addressing with BACnet Protocol BACnet MS TP MAC address range is 0 255 The transmitter is a BACnet MS TP master if address is below 128 Otherwise the transmitter is a slave Addressing with Modbus Protocol Transmitter is always a Modbus slave MAC Address range for Modbus slaves is 1 247 VAISALA 23 User s Guide Selecting Location The conditions at the location should represent well the area of interest Do not install the transmitter on the ceiling Avoid placing the transmitter near heat and moisture sources close to the discharge of the supply air ducts and in direct sunlight 1111 070 Figure 8 Selecting Transmitter Location Use the mounting holes to attach the mounting base securely Use at least two screws not included max screw diameter 4 mm
28. to the main transmitter component board See Figure 4 on page 18 User calibration settings adjustment by trimmers or service port are stored in the module If you replace the module you do not need to undo the previously applied correction VAISALA 61 User s Guide Replacing the GM10 Module To replace the module 2 62 Disconnect the transmitter body from the mounting base Locate the GM10 module on the transmitter The module is a separate component board with a golden cuvette that contains the CARBOCAP sensor The module is connected to the main transmitter board with a connector and held in place by a plastic clip on the other side See Figure 4 on page 18 Disconnect the module by carefully lifting the module from the connector side See Figure 22 below 1311 137 Figure 22 Disconnecting the GM10 Module Take the new GM10 module and place it in the hole for the module so that the plastic clip meets the component board Then lower the connector end of the module Push down on the module to secure the connector Reconnect the transmitter to the mounting base Verify that there are no errors when the transmitter starts up If there are see section Error Messages on page 66 M211659EN A Chapter 5 Maintenance CAUTION Replacing the HTM10 Module Handle the HTM10 module carefully When reinstalling the transmitter body to the mounting base avoid touching the module or the
29. 12 11 35 of ANSI ASHRAE standard 135 2008 79 User s Guide Carbon Dioxide Object Table 19 Carbon Dioxide Object Properties Property Data type Writable Value or Initial Value Persistence Application Type Conformance Code Object_Identifier BACnetObjectldentifier No R 00 00 00 01 hex Nonvolatile Object Type 0 Instance 1 Object_Name CharacterStrin No R CO2 Nonvolatile Object_Type BACnetObjectType No R 0 Analog Input Fixed ENUMERATED Present_Value Real Yes 0 0 Volatile When Oos R Description CharacterStrin No O Carbon Dioxide Nonvolatile Units BACnetEngineeringUnits No R 96 parts per million Nonvolatile ENUMERATED Status_Flags BACnet Status Flags Yes when OoS R O FAULT FALSE Volatile BIT STRING Reliability BACnet Reliability Yes when OoS O 0 NO FAULT Volatile ENUMERATED DETECTED Event State BACnetEventState No R 0 NORMAL Volatile ENUMERATED Out_of_Service BOOLEAN Yes R 0 FALSE Volatile COV_Increment Real Yes O NaN COV reporting Nonvolatile disabled Min_Pres_ Value Real No O 0 0 same as limit for Nonvolatile UNDER_RANGE Max_Pres_Value Real No O 2400 same as limit for Nonvolatile OVER_RANGE Table 20 Status Flags Flag State Cause IN ALARM FALSE Event State equals 0 NORMAL TRUE Event State not 0 FAULT FALSE Reliability equals 0 NO FAULT DETEC
30. 7 User s Guide 18 1310 039 Figure 4 Transmitter Parts Inside 1 2 3 4 5 6 m m kK M CO SS AA ra CH Nn II II Mounting base Opening for cable wiring from top Terminal label Opening for cable wiring from behind recommended Label for RS 485 baud rate DIP switch settings Orientation arrow should point up after the mounting base has been installed Screw terminals Place for zip tie for cable strain relief Transmitter body RS 485 termination jumper connects a 120 Q resistor GM10 module measures CO2 DIP switches for common configuration options Grip for slide TM10 module measures temperature only or HTM10 module measures humidity and temperature HUMICAPT sensor on models with humidity measurement M211659EN A Chapter 2 Product Overview Decorative Cover Option VAISALA The decorative cover is an installation accessory for HMW90 and GMW90 series transmitters that can be used to hide the transmitter from view The cover material is transparent polycarbonate but the idea is to customize it to match the wall the transmitter is on There are two easy ways to change the cover s appearance Paint the cover to the same color as the wall Insert a piece of wallpaper under the lid You can also use the cover as a holder for printed material for example an informational sign You must remove the slidin
31. AISALA 75 User s Guide Standard Object Types Supported OOOMOOODDAOODOOOADADADOARKOOAODAADAARDA Data Link Layer Options Kl Analog Input Analog Output Analog Value Averaging Binary Input Binary Value Calendar Command Device Event Enrollment File Group Life Safety Point Life Safety Zone Binary Output Loop Multistate Input Multistate Output Multistate Value Notification Class Program Schedule Trend Log BACnet Internet Protocol IP Annex J BACnet IP Annex J Foreign Device ISO 88023 Ethernet Clause 7 O ANSI ATA 878 1 2 5 MB ARCNET network Clause 8 O ANSI ATA 878 1 RS485 ARCNET network Clause 8 baud rates KH Master Slave Token Passing MS TP master Clause 9 baud rates 9600 19200 38400 57600 76800 115200 KM MS TP slave Clause 9 baud rates 9600 19200 38400 57600 76800 115200 O Point To Point EIA 232 Clause 10 baud rates O Point To Point modem Clause 10 baud rates O LonTalk protocol Clause 11 medium O Other 76 M211659EN A Appendix A BACnet Reference Device Address Binding O Yes MI No Is static device binding supported required for two way communication between MS TP slaves and other devices Networking Options O Router Clause 6 O Annex H BACnet Tunneling Router over IP O BACnet IP Broadcast Management Device BBMD Character Sets Supported VI UTF 8 ANSI X3 4 O IBM Microsoft DoubleByte Cha
32. Altitude Object Parameters AA 85 SaS Te EE 85 BACnet Smart Sensor BIBBs Support sssssssesenensseserenrrenseene 86 BACnet Standard Application Services Support sss sssess0se 87 Modbus Functions Supported by GMWOU sssssssseseeneneneene 89 GMW90 Modbus Measurement Data Registers 0011000011 89 GMW90 Modbus Status Registers Head on 90 GMW90 Modbus Error Code Bis 90 GMW90 Modbus Configuration Parameter Registers 90 GMW90 Modbus Device Identification nsssesennenene eenen 90 GMW90 Modbus Exception Responses sssssssenensseeerenr eeen 90 User s Guide This page intentionally left blank 6 M211659EN A Chapter 1 General Information CHAPTER 1 GENERAL INFORMATION This chapter provides general notes for the manual and the products that are covered About This Manual This manual provides information for installing operating and maintaining GMW90 series transmitters All transmitter models in the series are covered which means that some information in the manual is model specific Contents of This Manual This manual consists of the following chapters VAISALA Chapter 1 General Information provides general notes for the manual and the products that are covered Chapter 2 Product Overview introduces the GMW90 series transmitters Chapter 3 Installation provides you with information that is intended to help you install the GMW90 series trans
33. BIT Yes when OoS 0 FAULT FALSE Volatile STRING R Reliability BACnet Reliability Yes when OoS 0 NO FAULT DETECTED Volatile ENUMERATED O Event State BACnetEventState No R 0 NORMAL Volatile ENUMERATED Out of _Service BOOLEAN Yes R 0 FALSE Volatile COV_lIncrement Real Yes O NaN COV reporting Nonvolatile disabled Table 33 Status Flags Flag State Cause IN_ALARM FALSE Event State equals 0 NORMAL TRUE Event State not 0 FAULT FALSE Reliability equals 0 NO FAULT DETECTED TRUE Reliability not 0 OVERRIDDEN FALSE Always FALSE OUT_OF_SERVICE FALSE Present Value may NOT be written via BACnet TRUE Present Value may be written via BACnet VAISALA 83 User s Guide Table 34 Reliability State Cause 0 NO FAULT DETECTED 1 NO SENSOR No contact to measurement module 2 OVER_RANGE RH over 100 3 UNDER_RANGE RH under 0 7 UNRELIABLE OTHER Other measurement error Table 35 Event State State Cause 0 NORMAL Reliability equals 0 NO FAULT DETECTED 1 FAULT Reliability not 0 Operation Pressure Object Set current atmospheric pressure to improve the calculation accuracy of pressure dependent humidity parameters NOTE Pressure and Altitude objects are linked together If Present Value in one object is changed Present Value in another object is changed accordingly Table 36 Operation Pressure Object Properties
34. HUMICAP sensor VAISALA To replace the module l 2 Disconnect the transmitter body from the mounting base With your fingers push apart the two plastic holders that hold the module Pull out the module Keep the module straight while pulling it out otherwise the pins may twist in the connector and damage it UTY 1112 028 Figure 23 Replacing the HTM10 Module Take the new module and align the pins to the connector on the transmitter s component board Push down on the module so that the plastic holders clip into place Try not to tilt the module so that the pins will meet the connector straight on Reconnect the transmitter to the mounting base Verify that there are no errors when the transmitter starts up If there are see section Error Messages on page 66 63 User s Guide This page intentionally left blank 64 M211659EN A Chapter 6 Troubleshooting CHAPTER 6 TROUBLESHOOTING This chapter describes possible problems their probable causes and remedies and provides contact information for technical support Problem Situations Table 11 Troubleshooting Table Problem Transmitter reports an error on the display or serial line Possible Cause Multiple causes Remedy Refer to Table 12 on page 66 Temperature reading shown by the transmitter is too high Transmitter does not recognize a valid serial command responds with message FAIL 1 command
35. TED TRUE Reliability not 0 OVERRIDDEN FALSE Always FALSE OUT_OF_SERVICE FALSE Present Value may NOT be written via BACnet TRUE Present Value may be written via BACnet Table 21 Reliability State Cause ONO FAULT _ DETECTED 1 NO_SENSOR No contact to measurement module 2 OVER_RANGE CO2 level over BAC_CO2_MAX_VALUE 3 UNDER_RANGE CO2 level under BAC_CO2_MIN_VALUE 7 UNRELIABLE OTHER Other measurement error Table 22 Event State State ooo T auee OOOO U OO 0 NORMAL Reliability equals 0 NO FAULT DETECTED 1 FAULT Reliability not 0 80 M211659EN A Appendix A BACnet Reference Temperature Object Table 23 Temperature Object Properties Property Data type Writable Value or Initial Value Persistence Application Type Conformance Code Object_Identifier BACnetObjectldentifier No R 00 00 00 03 hex Nonvolatile Object Type 0 Instance 3 Object_Name CharacterString No R Ch Nonvolatile Object_Type BACnetObjectType No R 0 Analog Input Fixed ENUMERATED Present_Value Real Yes 0 0 Volatile When Oos R Description CharacterString No O Temperature Nonvolatile Units BACnetEngineeringUnits Yes R 62 degrees Celsius Nonvolatile ENUMERATED Possible units are C 62 or F 64 Status_Flags BACnet Status Flags BIT Yes when OoS 0 FAULT FALSE Volatile STRING R Reliability BACnet Reliability Yes when OoS 0 NO FA
36. ULT Volatile ENUMERATED O DETECTED Event State BACnetEventState No R 0 NORMAL Volatile ENUMERATED Out_of_Service BOOLEAN Yes R 0 FALSE Volatile COV_Increment Real Yes O NaN COV reporting Nonvolatile disabled Min_Pres_Value Real No O 40 0 same as limit for Nonvolatile UNDER_RANGE Max_Pres_Value Real No O 80 0 same as limit for Nonvolatile OVER_RANGE Table 24 Status Flags Flag State Cause IN_ ALARM FALSE Event State equals 0 NORMAL TRUE Event State not 0 FAULT FALSE Reliability equals 0 NO FAULT DETECTED TRUE Reliability not 0 OVERRIDDEN FALSE Always FALSE OUT_OF_SERVICE FALSE Present Value may NOT be written via BACnet TRUE Present Value may be written via BACnet Table 25 Reliability State Cause 0 NO_FAULT_ DETECTED 1 NO_SENSOR No contact to measurement module 2 OVER_RANGE T over 80 C 3 UNDER_RANGE T under 40 C 7 UNRELIABLE_OTHER Other measurement error Table 26 Event State State ooo T auee OOOO U OO 0 NORMAL Reliability equals 0 NO FAULT DETECTED 1 FAULT Reliability not 0 VAISALA 81 User s Guide Relative Humidity Object Table 27 Relative Humidity Object Properties Property Data type Writable Value or Initial Value Persistence Application Type Conformance Code Object_Identifier BACnetObjectldentifier No R 00 00 00 02 hex Nonvolatile Object Type 0 Instance 2 Object_Name Chara
37. V pressure lt cr gt where pressure Ambient pressure in hPa Example gt env 1013 3 Pressure hPa 3 10133 M211659EN A Chapter 4 Operation Display Settings Select Parameters to Display Use the DSEL command to select the parameters that are displayed on the transmitter screen You can select parameters by abbreviation If only one parameter is selected it is shown vertically centered on the transmitter screen DSEL Q Q2 03 lt cr gt where Q1 First parameter to show on the screen Available parameters are CO2 carbon dioxide level CO2_10 carbon dioxide level in 10 ppm steps RH relative humidity T temperature Tdf dew frost point temperature Td dew point temperature Tw wetbulb temperature h enthalpy x mixing ratio a absolute humidity dTd dew frost point depression Q2 Second parameter to show on the screen Available parameters are the same as for Q1 Q3 Third parameter to show on the screen Available parameters are the same as for Q1 Example show currently displayed parameters gt pass 9000 gt dsel Quant 1 RH Quant 2 Se ZP Quant 3 See Example change display to only show CO2 gt dsel CO2 OK VAISALA 41 User s Guide Serial Line Output Commands Start Measurement Output Use the R command to start the continuous outputting of measurement values as an ASCII text string to the serial line The format of the measurement message is set with the FORM command R lt
38. VAISALA USER S GUIDE Vaisala CARBOCAP Carbon Dioxide Temperature and Humidity Transmitters GMW90 Series M211659EN A PUBLISHED BY Vaisala Oyj Phone int 358 9 8949 1 P O Box 26 Fax 358 9 8949 2227 FI 00421 Helsinki Finland Visit our Internet pages at www vaisala com Vaisala 2013 No part of this manual may be reproduced published or publicly displayed in any form or by any means electronic or mechanical including photocopying nor may its contents be modified translated adapted sold or disclosed to a third party without prior written permission of the copyright holder Translated manuals and translated portions of multilingual documents are based on the original English versions In ambiguous cases the English versions are applicable not the translations The contents of this manual are subject to change without prior notice This manual does not create any legally binding obligations for Vaisala towards customers or end users All legally binding obligations and agreements are included exclusively in the applicable supply contract or the General Conditions of Sale and General Conditions of Service of Vaisala Table of Contents CHAPTER 1 GENERAL INFORMATION 000 ccccccsesssceeeseeeseseeessesesneesesneeseseaessaesneneeseaes About This Manual cccccccssssssseeeeeeeeeeacsesseeeeseeeeeanseasees Contents of This Manual Version Information Related Manuals
39. W90 Modbus Measurement Data Registers Name Metric float Metric Metric Non metric Non metric Non metric integer unit float integer unit CO2 0001 0002 0257 x1 ppm 6401 6402 6657 x1 ppm RH 0003 0004 0258 x0 01 RH_ 6403 0004 6458 x0 01 RH T 0005 0006 0259 x0 01 C 6405 0006 6459 x0 01 F Td 0007 0008 0260 x0 01 C 6407 0008 6460 x0 01 F Tdf 0009 0010 0261 x0 01 C 6409 0010 6461 x0 01 F dTd 0011 0012 0262 x0 01 C 6411 0012 6462 x0 01 F Tw 0013 0014 0263 x0 01 C 6413 0014 6463 x0 01 F a 0015 0016 0264 x0 01 g m3 6415 0016 6464 x0 01 gr ft3 D 0017 0018 0265 x0 01 g kg 6417 0018 6465 x0 01 gr Ib h 0019 0020 0266 x0 01 kJ kg 6419 0020 6466 x0 01 btu Ib Values read from the integer registers must be multiplied with the provided multiplier to get the actual value All integer values are signed Available measurements depend on the transmitter model Values may be unavailable also in case of device failure Read status registers or exception status outputs to check for failures Accessing unavailable unsupported or temporarily missing measurement data does not generate an exception Unavailable value a quiet NaN for floating point data or 0x8000 for integer data is returned instead An exception is generated only for any access
40. a taia 52 Enable Advanced Serial Commandes 52 Reset Transmitter 53 Set BACnet Parameters ccccceeeeeeceeceeeeeeeteeseeeeeeeees 53 CHAPTER 5 MAINTE NAN C E eee rear reae Ar E Arara E Ena ra E A rarm Pi Aradas kO R ona nines SEEEEN 55 Cleaning a EEE AERAR 55 Calibration and Adjustment sssssesseennnrennnnrnnnnnnnnnnnnnnnnnnnn 55 2 M211659EN A Adjustment Methods A 55 Notes for CO Adiustment 56 Using Calibration Gas vs Ambient Gas 56 Effect of Temperature on CO Measurement 56 Effect of Pressure on CO Meaesurerment a0000000 57 Notes for T Adjustment 00 ccc eceeeeeeeeneeeeeenneeeeeeteeeeeeaes 57 Notes for RH Adjustment eeceeeeeeeeeeeeeeteeeeeeneeeeeeaes 57 Adjustment Using Display and Trimmers 58 Adjustment Using a Hand Held Meter 59 Adjustment Using a PC 60 Repair Maintenance cc eeceeceeeceeeeeseeeeeeeeeseeeeeseeneeeeeeens 61 Replacing the GM10 Module 62 Replacing the HTM10 Module 63 CHAPTER 6 TROUBLESHOOTING geesde Seege EE SEhEe 65 Problem Situations cccccessseeeeseseeeeesseeeeeessseeeeeseeeenenesseenees 65 Error Messages 2 teEEEEeENEE deed cdencteneecerceceaevstenese 66 Viewing Error Messages on Serial Line eeeeeeeeees 67 View Currently Active Errors 0 ccsceeeeseeeeeesteeeeeenaes 67 View Error TaD sca sitiiscislatce has ees iasdoettaagiee AAE 67 Reverting to Factory Settings cccssseeecssseeesest
41. alibrate and adjust RH measurement CT Calibrate and adjust T measurement CTEXT Show or set calibration information DSEL Select parameters to display on screen FRESTORE Restore transmitter to factory settings VAISALA 35 User s Guide Transmitter Information 36 Show Transmitter Information The command outputs a listing of device information lt cr gt Example gt Device GMW95R SW version 1 1 28 5849 SNUM H2930002 HTM10 module information Software version P 0 eae ad pe SNUM H2950107 GM10 module information Software version Se KR SNUM J04C030105 Show Transmitter Firmware Version Use the VERS command to show the transmitter model and firmware version VERS lt cr gt Example gt vers GMW95R 1 1 28 Show Transmitter Serial Number Use the SNUM command to show the transmitter serial number SNUM lt cr gt Example gt snum Serial number H2930002 M211659EN A Chapter 4 VAISALA Operation Show Transmitter Status Use the STATUS command to view detailed information on transmitter model and configuration STATUS function lt cr gt where Function Optional switch to display a more detailed status for BACnet or Modbus protocol available on transmitter models with digital output Available switches are bacnet and modbus Example display detailed BACnet status gt status bacnet BACnet module BACNET
42. aminated measurement modules Dirty modules should always be replaced with new calibrated modules Calibration and Adjustment VAISALA GMW90 series transmitters are fully calibrated as shipped from factory GMW90 series transmitters have a display that makes it easy to compare the measured readings against any portable calibration reference Note that depending on the ordered configuration the display may be hidden under the sliding cover Adjustment Methods You can adjust the measurements in the following ways l point adjustment using the trimmers under the sliding cover See section Adjustment Using Display and Trimmers on page 58 1 point or 2 point adjustment using the service port See the following sections Adjustment Using a Hand Held Meter on page 59 Adjustment Using a PC on page 60 If adjustment is not enough to restore the measurement accuracy of the transmitter you can also replace the measurement modules See section Repair Maintenance on page 61 55 User s Guide 56 Notes for CO Adjustment 1 point CO adjustment affects either offset or gain depending on the gas concentration l point adjustment below 700 ppm affects the measurement offset above 700 ppm it affects the gain 2 point adjustment will adjust both offset and gain Choose the adjustment points as follows For first point use as low concentration as possible Preferably 0 ppm must be below 700 ppm For second poi
43. ansmitter should be showing The 2 point correction is not applied immediately you must use the CRH SAVE command to store your adjustment to the HTM10 module If you have entered user adjustments using the CRH command but do not wish to commit them use the CRH CANCEL command CRH SAVE CANCEL lt cr gt Example two point adjustment low point 11 RH and high point 75 RH gt pass 9000 gt crh lo 11 OK gt crh hi 75 OK gt crh save OK M211659EN A Chapter 4 VAISALA Operation Clear User Adjustment of RH Measurement CRH RESET lt cr gt Example gt pass 9000 gt crh reset OK Adjust Temperature Measurement Use the CT command to perform an adjustment of the temperature measurement You can do a 1 point adjustment or clear the adjustment information from the HTM10 module Note that the factory adjustment will remain intact when user adjustment is cleared Show Current T Adjustment CT lt cr gt Example showing default temperature offset gt pass 9000 gt ct Temperature offset 0 000 1 point Adjustment of T Measurement Place the transmitter in the reference condition and allow it to stabilize before entering the adjustment CT x lt cr gt where x The reference temperature in degrees Celsius that the transmitter should be showing Example gt pass 9000 gt ct 23 OK 51 User s Guide Clear User Adjustment of T Measurement CT RESET lt cr gt Example
44. ary GetEventInformation LAm Am Router To Network Could Be Router To Network l Have Initialize Routing Table Initialize Routing Table Ack LifeSafetyOperation ReadProperty ReadPropertyConditional ReadPropertyMultiple ReadRange ReinitializeDevice RemoveListElement SubscribeCOV SubscribeCOVProperty TimeSynchronization UnconfirmedCOVNotification UnconfirmedEventNotification UnconfirmedPrivate Transfer UnconfirmedTextMessage UTCTimeSynchronization VT Close VT Data VT Open Who Has Who ls Who ls Router To Network WriteProperty WritePropertyMultiple VAISALA OOOO OOOO OO DIEN HO 0 00 00 DIEN EIN EI REIDEN 0 9 OOO 00 0 0 0 0 0 0 0 0 0 0 0 OVO NH EIDEN EIDEN EDD DI ENEE BEID RL OFF EIDEN EN DIEN 0 0 0 0 0 DIEN RL DIEN 0 O 0 0 0 0 0 0 87 User s Guide This page intentionally left blank 88 M211659EN A Appendix B Modbus Reference APPENDIX B MODBUS REFERENCE This appendix describes the Modbus protocol implementation of the GMW90 series digital transmitters Table 42 Modbus Functions Supported by GMW90 Function Code Name 03 0x03 Read Holding Registers 04 0x04 Read Input Register 06 0x06 Write Single Register 16 0x10 Write Multiple Registers 43 14 0x2B Ox0E Read Device Identification Table 43 GM
45. cense terms and conditions by the General License Conditions of Vaisala Group Visit our Internet pages for standard warranty terms and conditions www vaisala com wartranty Please observe that any such warranty may not be valid in case of damage due to normal wear and tear exceptional operating conditions negligent handling or installation or unauthorized modifications Please see the applicable supply contract or Conditions of Sale for details of the warranty for each product 11 User s Guide This page intentionally left blank 12 M211659EN A Chapter 2 Product Overview CHAPTER 2 PRODUCT OVERVIEW This chapter introduces the GMW90 series transmitters Introduction to GMW90 Series GMW90 series transmitters are wall mount transmitters for building automation applications GMW90 series transmitters measure carbon dioxide CO2 and temperature T with the option for humidity measurements The CO measurement is based on a new generation CARBOCAP sensor which uses a novel silicon based microchip emitter instead of an incandescent light bulb All transmitter models in the series share the following common features Detachable mounting base for easy installation and wiring Display visible or hidden behind the cover Sliding cover for accessing maintenance functions Adjustment trimmers DIP switches for most common configuration tasks RS 485 line for temporary service use with hand
46. cr gt Example measurement message in default format gt r RH 26 44 RH T 24 27 C CO2 449 ppm RH 26 45 RH T 24 27 C CO2 449 ppm RH 26 43 RH T 24 27 C CO2 449 ppm RH 26 43 RH T 24 27 C CO2 449 ppm Outputting the results continues in intervals issued with the command INTV You can stop the output with the S command Since the interface is half duplex you must enter the commands when the transmitter is not outputting Stop Measurement Output You can stop the measurement output with the S command S lt cr gt Output a Reading Once Use the SEND command to output a single measurement message SEND lt cr gt Example gt send RH 26 44 RH T 24 27 C CO2 449 ppm 42 M211659EN A Chapter 4 VAISALA Operation Set Output Interval Use the INTV command to change the output interval of the automatically repeating measurement messages The measurement messages are repeated in the RUN mode or after the R command has been given INTV n xxx lt cr gt where n time interval range 0 9999 Xxx time unit S MIN or H The shortest output interval with n 0 outputs the measurement messages as quickly as the transmitter produces them without additional delay Example gt intv 1 min Output interval 1 min 43 User s Guide 44 Set Output Format Use the serial line command FORM to change the measurement message sent by the transmitter on t
47. cterString No R RH Nonvolatile Object_Type BACnetObjectType No R 0 Analog Input Fixed ENUMERATED Present_Value Real Yes 0 0 Volatile When Oos R Description CharacterString No O Relative Humidity Nonvolatile Units BACnetEngineeringUnits No R 29 percent relative Nonvolatile ENUMERATED humidity Status_Flags BACnet Status Flags BIT Yes when OoS 0 FAULT FALSE Volatile STRING R Reliability BACnet Reliability Yes when OoS 0 NO FAULT Volatile ENUMERATED O DETECTED Event State BACnetEventState No R 0 NORMAL Volatile ENUMERATED Out_of_Service BOOLEAN Yes R 0 FALSE Volatile COV_Increment Real Yes O NaN COV reporting Nonvolatile disabled Min_Pres_Value Real No O 0 0 same as limit for Nonvolatile UNDER_RANGE Max_Pres_Value Real No O 100 same as limit for Nonvolatile OVER_RANGE Table 28 Status Flags Flag State Cause IN_ALARM FALSE Event State equals 0 NORMAL TRUE Event State not 0 FAULT FALSE Reliability equals 0 NO FAULT DETECTED TRUE Reliability not 0 OVERRIDDEN FALSE Always FALSE OUT_OF_SERVICE FALSE Present Value may NOT be written via BACnet TRUE Present Value may be written via BACnet Table 29 Reliability State Cause 0 NO FAULT DETECTED 1 NO SENSOR No contact to measurement module 2 OVER_RANGE RH over 100 3 UNDER_RANGE RH under 0 7 UNRELIABLE OTHER Other measurement error Table 30 Event State
48. e Settings 0 ee ceeeeeeeeeeeeeeeeeeeeeeeeeneeeeeeaes 33 Basic Serial Commande ssssseenseeeeennreneeeettnnrnnnerrrtrnn rense ene 35 Advanced Serial Commande nenese 35 FORM Command Parameters sssesseseneneeeeeenrneneererrnrrenssene 45 FORM Command Modtiers nnne nsererrrnrrenserene 45 Troubleshooting Table 65 Error Messages aan acti alienate iain 66 Perfomance E 71 Operating Environment 72 Inputs and Outputs arreen cece cece a 72 Merens ie otra ede aie trees el re ele ns A ots 72 GMW90 Series Spare Parts and Accessories 00000000010 73 Device Object Properttes A 78 Carbon Dioxide Object Properties A 80 Status FlagS sek a sda alae anita 80 Reliability iesen ege deni toad EEN 80 Event Statez aic ante bree ied ee ee ae ed 80 Temperature Object Properties ccccccseseeeeeeeeeeeeeseneees 81 Status Flags E 81 Reliability Srni adie einen ee dent 81 EVent State scx niaan aie e deet 81 Relative Humidity Object Properties 2 0 0 0 eeeeeeeeeeeeeeeeeneeees 82 status Klees arctan tier EE 82 Reliability ioscan s cideetistinien eine ented 82 EVeENnt State smon vents geess 82 Calculated Humidity Objects A 83 Calculated Humidity Object Properties 0 0 0 eeeeeeeeeeeeenees 83 status Flags tiniest eine ania 83 Reliability Srn er ieee e 84 Event States eeh sete ttt See Eege e 84 Operation Pressure Object Properties sssessesenenese eerren 84 Status Flags egdeges an Eege ces 84 Operation
49. e useful to Vaisala Helpdesk if there is a problem with the adjustment CCO2 lt cr gt Example gt pass 9000 gt cco2 User gain 1 000 User offset E 38 36 9 CO2 pre adjust 464 625 30s delta 13 904 30s stddev 4 429 Adjustability CAN ADJUST 47 User s Guide 48 1 point Adjustment of CO Measurement The 1 point adjustment adjusts either offset or gain depending on the CO concentration CCO2 ONE x lt cr gt where x The reference CO concentration ppm that the transmitter should be showing Example gt pass 9000 gt cco2 one 440 OK 2 point Adjustment of CO Measurement The 2 point adjustment adjusts both offset and gain CCO2 LO HI x lt cr gt where LO Adjustment point at low concentration lt 700 ppm HI Adjustment point at high concentration gt 700 ppm x The reference CO concentration ppm that the transmitter should be showing The 2 point correction is not applied immediately you must use the CCO2 SAVE command to store your adjustment to the GM10 module If you have entered user adjustments using the CCO2 command but do not wish to commit them use the CCO2 CANCEL command CCO2 SAVE CANCEL lt cr gt Example two point adjustment low concentration 0 ppm and high concentration 1000 ppm gt pass 9000 gt eco2 lo 0 OK gt cco2 hi 1000 OK gt cco2 save OK M211659EN A Chapter 4 Operation Clear User Adjus
50. eenesseeens 68 Reverting to Factory Settings Using DIP Switches 68 Reverting to Factory Settings Using Service Port 69 Technical Support ccceeeceeeeeseeeeeeeeeeeeeeeeneeeeeeeeseeeeeeneeees 69 Product ROTUNNS roria ene aE ANE E AOAR ERS 69 CHAPTER 7 TECHNICAL DATA ercsi iniaa aE dE hie a aa AA 71 Specifications Asseaation EE SEEENEEEEE ER NESRAEERCEEEAEENEe 71 Spare Parts and ACCeESSOTLICS cccecsseeeeeceeeeeeeeseeeeeeeeeeees 73 Dimensions In mm Qo eee eeeeee ee eeee ee eeeeee ence eeeeeeeeeseeeeeeeeeeeneneeeeenens 74 APPENDIX A BACNET REFERENCE wieocciccstcecaveticg det sceheciesdecegsu stun caveats cdeestetec erdecersestunses 75 BACnet Protocol Implementation Conformance Statement nice cissccecsevsaceseesceeeeetteaverevetecesseenaeesevaceeevevteessvnceeess 75 Transmitter Models and Objects cccssscsseeceeeseereeeeeeees 77 Device ODjeCt aora aaee aE EA E AEA AA 78 Carbon Dioxide ObjeCt cceeccseseereeeeseeeeeeeseeeeesesnenenseeeenens 80 Temperature Object ceccescecesseeeeeeseeeseeeseeeeeeesenseeeseenseeeseaes 81 Relative Humidity Object cccssseeeesseneeeesseeeeeeseeteeneseeenees 82 Calculated Humidity Objects ccccsesseeeseseeeeeeeeeeeeeeeenenens 83 Operation Pressure Object ccceseeccseseeeessseeeeeeeseeeeeeeseenens 84 Operation Altitude Object ccceseeesssseeeseseeeseseseeneneeseenens 85 BIBBS Supported 0EEEERNERERNEEEELEENEEEENNEEEEEEENNEEEEE teceeceen
51. essure and vice versa Table 47 GMW90 Modbus Device Identification Object Id Object Name Description 0x00 VendorName Vaisala 0x01 ProductCode Transmitter model for example GMW95 0x02 MajorMinorVersion Software version for example 1 0 0 0x03 VendorUrl http www vaisala com 0x04 ProductName GMW90 0x80 SerialNumber Serial number e g HO710040 0x81 CalibrationDate Date of the last calibration for example 2012 08 07 empty if not available 0x82 CalibrationText Information text of the last calibration empty if not available Table 48 GMW90 Modbus Exception Responses Code Name Reason 01 ILLEGAL FUNCTION Unsupported function code 02 ILLEGAL DATA ADDRESS Address out of valid ranges 03 ILLEGAL DATA VALUE Otherwise invalid request 90 M211659EN A www vaisala com M27165 9 EN
52. eyboard input by the user is in bold type The notation lt cr gt refers to pressing the carriage return Enter key on your computer keyboard Enter a lt cr gt to clear the command buffer before starting to enter commands Some commands such as CRH are not available if the required feature is not present on the transmitter or the command is not relevant Table 7 Basic Serial Commands Command Description Show transmitter information CALCS Show all measured and calculated parameters ECHO Show or set remote echo mode ENV Show or set environmental parameters ERRT Show error table ERRS Show currently active errors FORM modifier string Show or set output format HELP Show list of currently available serial commands INTV 0 9999 s min h Set continuous output interval for R command PASS 9000 Access advanced serial commands R Start the continuous outputting RESET Reset the transmitter S Stop the continuous outputting SDELAY 0 255 Show or set serial line turnaround delay in milliseconds SEND Output measurement message once SNUM Show transmitter serial number STATUS Show transmitter status VERS Show transmitter firmware version Table 8 Advanced Serial Commands Command Description BACNET Show or set BACnet parameters CCO2 Calibrate and adjust CO measurement CDATE Show or set calibration date CRH C
53. g cover of the transmitter to install the decorative cover Installation instructions are included with the cover 1310 042 Figure 5 Decorative Cover 1 Decorative cover lid If you intend to paint the cover paint the outer surface of this part and leave the other part entirely unpainted 2 Space for wallpaper or printed insert The decorative cover is delivered with a quick guide that can be used as a stencil for cutting the required shape 3 Decorative cover base part 19 User s Guide 20 This page intentionally left blank M211659EN A Chapter 3 Installation CHAPTER 3 INSTALLATION This chapter provides you with information that is intended to help you install the GMW90 series transmitters Configuration Before Installation If you need to change the settings of the transmitter it is best to do this before it has been installed Configuration of Digital Output Models Digital output models of the GMW90 series have the following configuration interfaces VAISALA DIP switches on the component board control operating protocol serial line settings and transmitter MAC address For instructions see DIP Switches of Digital Output Models on page 22 You can set a jumper for RS 485 line termination on the component board 120 Q resistor For location of the jumper see Figure 4 on page 18 Other settings are configured in software You can change most configuration settings through the
54. he mounting base 2 Make a note of the DIP switch positions before changing anything so you can restore the positions later 3 Set the DIP switches in the leftmost DIP switch bank as shown in Figure 24 below Do not move the switches in the other bank Parity Even Non Metric NAPA VkkNkkNNN 1 4 6 7 8 2 3 Modbus Metric BACnet Parity None 1209 028 Figure 24 DIP Switches in Factory Reset Position 4 Reconnect the transmitter cover to the mounting base so it powers up Check the screen after power up when the DIP switches are in factory reset position you will see a notification text Disconnect the transmitter cover again 6 Set the DIP switches to the positions they were before Reconnect the transmitter cover to the mounting base Check the startup screens to verify the configuration 68 M211659EN A Chapter 6 Troubleshooting Reverting to Factory Settings Using Service Port Use the FRESTORE command to restore the transmitter to factory settings FRESTORE lt cr gt NOTE After using the FRESTORE command reset the transmitter using the RESET command Example gt pass 9000 gt frestore Restoring HTM10 factory parameters HTM10 factory parameters restored Restoring GM10 factory parameters GM10 factory parameters restored Restoring GMW95R factory settings 110 110 parameters restored gt reset Resetting GMW95R 1 1 28 5849 XM90 gt
55. he service port You can freely define the output message to include the desired parameters formatting options text strings and additional fields FORM modifier string lt cr gt where modifier string String of parameters and modifiers that defines the output format length 1 150 characters Maximum length may be shorter when text strings are used See Table 9 and Table 10 on page 45 and examples below Command to set default format gt form Example of default output default depends on transmitter model RH 26 44 RH T 24 27 C CO2 449 ppm RH 26 45 RH T 24 27 C CO2 449 ppm RH 26 43 RH T 24 27 C CO2 449 ppm RH 26 43 RH T 24 27 C CO2 449 ppm Command to set output format as CO and T with Modulus 256 checksum gt form CO2 U4 4 0 CO2 T U3 3 2 t CS2 r An Output example 24 26 C E9 24 27 C E8 24 27 C E6 24 27 TC E6 CO2 479 ppm CO2 477 ppm CO2 475 ppm CO2 475 ppm HAHAH Command to set output format as CO and T with start of text ASCII character 002 and end of text 003 ASCII codes and without line feed and carriage return at the end gt form 002 CO2 U4 4 0 CO2 T U3 3 2 t 003 Output example ASCII codes not visible here CO2 817 ppm T 24 26 CCO2 806 ppm T 24 27 CCO2 800 ppm T 24 27 CCO2 788 ppm T 24 27 CO2 781 ppm T 24 27 CCO2 768 ppm T 24 27 C M211659EN A Chapter 4
56. held meter 219980 USB cable for PC connection 219690 Standard white sliding cover blank DRW237354SP Standard white sliding cover with hole for display DRW237339SP VAISALA 73 User s Guide Dimensions in mm TATE 0 IP ees V 1 Lach j 81 _ G os S 1111 061 Figure 25 GMW90 Series Dimensions 59 5 29 8 30 5 1310 037 Figure 26 Dimensions of the Mounting Base 74 M211659EN A Appendix A BACnet Reference APPENDIX A BACNET REFERENCE This appendix describes the BACnet protocol implementation of the GMW90 series digital transmitters BACnet Protocol Implementation Conformance Statement This statement is a part of the BACnet standard and is required for its use EC Product Model Numbers _ GMWS5 GMWSSR BACnet Standardized Device Profile O BACnet Operator Workstation B OWS Annex L O BACnet Building Controller B BC O BACnet Advanced Application Controller B AAC O BACnet Application Specific Controller B ASC KM BACnet Smart Sensor B SS O BACnet Smart Actuator B SA List of all BACnet Interoperability DS RP B DS RPM B DS WP B DS COVU A Building Blocks Supported DM DDB B DM DOB B DM DCC B DM RD B Annex K See also section BIBBs Supported on page 86 Segmentation Capability O Segmentation Requests Supported O Segmentation Responses Supported V
57. hird screen shows the currently configured pressure compensation setting VAIS AL A BACnet MODBUS Settings natante Address Pressure GMWOAD D HanO 1013 3 hPa Sit 1 1 5 HOT GET ee e Serial line J45 470005 MAL 7 Fh 28400 ON 3 HIT H3130008 Wetz GMi0 J15E1008 Master Doud rate Status 38400 1310 049 1310 047 Figure 15 GMw95 Startup Screens After the startup screens the transmitter shows the measurement screen It shows the measured parameters and currently active indicators VAISALA 29 User s Guide 30 Measurement Screen Measurement screen shows the measured parameters and currently active indicators Temperature 29 2 C Humidity 43 3 coz A94 ppm 1310 040 Figure 16 Measurement Screen Normal Operation If there is a problem with measurement affected readings are replaced with stars The alarm indicator and an error message will also appear on the screen Temperature 29 0 C Humidity Ree et s i coz Air 1310 041 Figure 17 Measurement Screen Problem With Humidity Measurement M211659EN A Chapter 4 Operation Indicators on the Display Indicator Position on Screen Meaning Top right Communication arrows Down arrow is t4 shown when transmitter detects valid traffic on the RS 458 line Up arrow is shown when transmitter is transmitting to the RS 485 line AUS Top left MI70 connection indicator Is
58. ing controller Transmitter Transmitter Transmitter d d AADA lt Ko BACnet or MODBUS master 5 i E E e Zz el TAA ki Set RS 485 Connect shield on controller side termination jumper 1209 015 Figure 13 Several Transmitters on Same RS 485 Line 27 User s Guide Connecting a Common AC Power Supply to Several Transmitters If you are connecting a common 24 VAC power supply to several transmitters make sure to connect the same terminal to Vs and Na on all transmitters This will avoid a short circuit through the shared common line at the controller see Figure 14 below GMW90 CONTROLLER L Supply voltage 24 VAC Shared common line Supply voltage 1310 046 Figure 14 Connecting a Common AC Power Supply 28 M211659EN A Chapter 4 Operation CHAPTER 4 OPERATION This chapter contains information that is needed to operate the GMW90 series transmitters Display Startup Screens When the transmitter is powered on it displays a sequence of information screens The screens are shown for a few seconds each The first screen identifies the transmitter and the connected measurement modules and shows if the transmitter is operating normally status OK or if there is an error status ERROR The second screen shows configuration information that is relevant to the selected communication protocol BACnet or Modbus The t
59. mitters Chapter 4 Operation contains information that is needed to operate the GMW90 series transmitters Chapter 5 Maintenance provides information that is needed in basic maintenance of the GMW90 series Chapter 6 Troubleshooting describes possible problems their probable causes and remedies and provides contact information for technical support Chapter 7 Technical Data provides the technical data of the GMW90 series transmitters Appendix A BACnet Reference describes the BACnet protocol implementation of the GMW90 series digital transmitters Appendix B Modbus Reference describes the Modbus protocol implementation of the GMW90 series digital transmitters User s Guide WARNING Version Information Table 1 Manual Revisions Manual Code Description M211659EN A November 2013 This manual First version Related Manuals Table 2 Related Manuals M211511EN HMW90 and GMW90 Series Quick Guide for Digital Output models M211476EN Decorative Cover Quick Guide Documentation Conventions Throughout the manual important safety considerations are highlighted as follows Warning alerts you to a serious hazard If you do not read and follow instructions very carefully at this point there is a risk of injury or even death CAUTION Caution warns you of a potential hazard If you do not read and follow instructions carefully at this point the product could be damaged or important data could be los
60. ns 86 Application Services Supporten 87 APPENDIX B MODBUS REFERENCE iccii scccdecseiectdesecied ctesceaidesestadevesleagenecues AKNAN EA TENAAAN 89 VAISALA User s Guide List of Figures Figure 1 GMW 90 with Visible Display and Indicator LED 13 Figure 2 Transmitter Parts Outside cc eeeeeeeteeeeeeeeteeeeeeneeeeeeaaes 16 Figure 3 Opening the Transmitter 17 Figure 4 Transmitter Parts Inside eee eeeneeeeeeneeeeeeeneeeeeeeneeeeeeaaes 18 Figure 5 Decorative COVEN sarisini dai eri da reai daa 19 Figure 6 DIP Switch Settings of Digital Output Models ee 22 Figure 7 Example of Transmitter Addressing seeeeeeeeeeeeeeeeeeene eee 23 Figure 8 Selecting Transmitter Location 24 Figure 9 Installing the Mounting Base ceeeeeeeeeteeeeeeeteeeeeenteeeereae 25 Figure 10 Wiring from Behind Recommended sseeeeseeeeeeeeeeeereeeeneene 26 Figure 171 Wiring from Above iserrise irrita niei in ennir e hana aA EUEN AEA ERRETEN AAE 26 Figure 12 Wiring GMW 9G aeea a RE AR EONA 27 Figure 13 Several Transmitters on Same RS 485 Une 27 Figure 14 Connecting a Common AC Power Supply n se 28 Figure 15 GMW95 Startup Gcreens ee eeeeeeeeeeeeeeeeeeeeeeteeneeeeeeenaeees 29 Figure 16 Measurement Screen Normal Operation o n 30 Figure 17 Measurement Screen Problem With Humidity Measurement renr a a a GENRA 30 Figure 18 PuTTY Terminal Applicetton nenen renn renesse nea 34 Figure 19 Effect of Pressure
61. nsigned16 1 127 Y R O 127 Nonvolatile Max_Info_Frames Unsigned N R O 1 Fixed Segmentation_Supporte BACnetSegmentation N R 3 No segmentation Fixed d ENUMERATED APDU_Timeout Unsigned N R 3000 ms Fixed APDU_Retries Unsigned N R 0 Fixed Device_Address_Bindin List of N R NULL Fixed BACnetAddressBinding Database Revision Unsigned N R 0 Volatile Object_Identifier Must be unique in BACnet network As Object VAISALA Identifier is 22 bits long its value range is 0 4194303 Each device is assigned a random value in this range at Vaisala factory Object_Name Must be unique in BACnet network Default object name contains the name and serial number of the device For example transmitter model GMW 95 with serial number G1234567 receives the default object name GMW95_G1234567 System_Status System status can be OPERATIONAL 0 or NON OPERATIONAL 4 Device goes to NON OPERATIONAL state in case of fatal error Protocol_Services Who Is I Am Who Has I Have and UnconfirmedCOVNotification services are available only when XMW90 is MS TP master Reinitialize Device service must be password protected According to BACnet protocol password is character string having max 20 characters Default password is 1234 Password can be changed through the service port by using the BACNET command See section Set BACnet Parameters on page 53 Database_revision This is changed during operation according to section
62. nt use as high concentration as is relevant for your application Must be within 700 5000 ppm Using Calibration Gas vs Ambient Gas You can adjust using a calibration gas with a known concentration recommended or adjust using the ambient gas When using a calibration gas feed the gas to the adjustment inlet at a flow rate of 0 3 0 7 L min For location of the inlet see Figure 2 on page 16 After connecting the gas supply to the field adjustment inlet wait for at least three minutes for the reading to stabilize When using ambient gas for adjustment avoid breathing near the transmitter during the adjustment Regardless of the CO reference used it is important to let the CO2 measurement stabilize before performing the adjustment Three minutes is typically enough Also allow for the stabilization period after adjustment before verifying the result Effect of Temperature on CO Measurement The device is fully temperature compensated using internal temperature measurement M211659EN A Chapter 5 VAISALA Maintenance Effect of Pressure on CO Measurement Ambient pressure affects the CO reading of GMW90 If the ambient pressure differs from the normal pressure 1013 hPa the transmitter can correct the reading if you enter the correct pressure value to the transmitter using an MI70 indicator or a PC ENV command When adjusting the transmitter you can also correct your reference concentration for
63. o enter the adjustment screen open the slide and rotate the CO2 T or RH trimmer slightly during normal measurement If the trimmer is not centered you see the trimmer centering screen first Simply turn the trimmer to the center and wait for the progress bar to complete Center trimmer to start C 1111 075 Figure 20 Trimmer Centering Screen 2 Inthe adjustment screen turn the trimmer to set the desired correction To commit the change stop turning the trimmer and wait Adjust C02 ppm Current 404 Correction 1310 092 Figure 21 Adjustment Screen 3 If you have adjusted the CO measurement wait for three minutes for the reading to stabilize 4 Verify the adjusted measurement from measurement screen 58 M211659EN A Chapter 5 Maintenance Adjustment Using a Hand Held Meter GMW90 transmitters can be adjusted using Vaisala hand held meters HM70 for humidity and temperature and GM70 for carbon dioxide and temperature 1 VAISALA Connect the GMW90 series transmitter to the MI70 indicator using the connection cable Vaisala order code 219980 MI70 indicator is the hand held display device that is included with HM70 and GM70 Depending on the connected devices you may be prompted by the to check the currently applied environment settings Check the settings when prompted In the Functions menu of the MI70 indicator select Calibrate XMW9x and press Start Confirm Yes
64. of the transmitter Start the PuTTY application 3 Select the Serial settings category and check that the correct COM port is selected in the Serial line to connect to field Note You can check which port the USB cable is using with the Vaisala USB Instrument Finder program that has been installed in the Windows Start menu 4 Check that the other serial settings are correct for your connection and change if necessary Flow control should be set to None unless you have a reason to change it 5 Click the Open button to open the connection window and start using the serial line If PuTTY is unable to open the serial port you selected it will show you an error message instead If this happens restart PuTTY and check the settings VAISALA 6 You may need to adjust the Local echo setting in the Terminal category to see what you are typing on the serial line You must enable either local echo on the terminal side or remote echo on the transmitter side adjustable using the ECHO command To access the configuration screen while a session is running click the right mouse button over the session window and select Change Settings from the pop up menu 33 User s Guide X PuTTY Configuration 0807 004 Figure 18 PuTTY Terminal Application 34 M211659EN A Chapter 4 Operation List of Serial Commands All commands can be issued either in uppercase or lowercase In the command examples the k
65. plicable material Dispose of the unit according to statutory regulations Do not dispose of with regular household refuse Regulatory Compliances GMW90 series transmitters comply with the following performance and environmental test standards EMC Directive Conformity is shown by compliance with the following standards EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements for use in industrial locations EN 550022 Information technology equipment Radio disturbance characteristics Limits and methods of measurement CE Patent Notice GMW90 series are protected by the following patents and their corresponding national rights Table 3 Applicable Patents Patent Issued By Patent Number United States Patent and Trademark Office US 5 827 438 US 6 177 673 European Patent Office EP0776023 EP0922972 German Patent and Trade Mark Office 69615635 Japan Patent Office 4263285 Finnish Patent Office 112005 105598 10 M211659EN A Chapter 1 General Information Trademarks CARBOCAP is a registered trademark of Vaisala Oyj All other trademarks are the property of their respective owners Software License Warranty VAISALA This product contains software developed by Vaisala Use of the software is governed by license terms and conditions included in the applicable supply contract or in the absence of separate li
66. pported by the GMW90 series transmitters CO2 RH and T are measured directly by the transmitter the rest are calculated based on the measured values CALCS lt cr gt Example gt calcs RH Relative Humidity T Temperature Tdf Dew Frost point temperature Td Dew point temperature Tw Wetbulb temperature h Enthalpy x Mixing ratio a Absolute humidity dTd Dew frostpoint depression CO2 Filtered CO2 NOTE CALCS command also lists all humidity parameters even if your transmitter model does not measure humidity VAISALA Show Command Help To see a short description of an individual command issue the command with a question mark as a parameter Example gt calcs Display measured quantities 39 User s Guide Show Command List Use the HELP command to list the currently available serial commands If the PASS command has not been used only the basic serial commands are available HELP lt cr gt Example shows basic serial commands advanced commands are not enabled here gt help CALCS ECHO ENV RRT RRS RM Ip GO si D Do Do mm Dim rm bi bi Measurement Settings 40 Set Environmental Parameters Use the ENV command to set environmental parameters that affect the measurement For GMW90 series transmitters you can set the ambient pressure value that is used for pressure compensation of CO measurement and calculated humidity parameters EN
67. r carbon dioxide and humidity measurement Environment menu in the MI70 31 User s Guide 32 Connecting With a PC Connecting with a PC allows you to configure and troubleshoot your transmitter using serial line commands For a list of commands see section List of Serial Commands on page 35 When connecting using a PC use the Vaisala USB cable Vaisala order code 219690 and a suitable terminal application If you have not used the Vaisala USB cable before install the driver before attempting to use the cable Refer to section Installing the Driver for the USB Service Cable on page 32 for detailed instructions For more information on using a terminal application see section Terminal Application Settings on page 33 Installing the Driver for the USB Service Cable Before taking the USB service cable into use you must install the provided USB driver on your PC When installing the driver you must acknowledge any security prompts that may appear 1 Check that the USB service cable is not connected Disconnect the cable if you have already connected it 2 Insert the media that came with the cable or download the latest driver from www vaisala com 3 Execute the USB driver installation program setup exe and accept the installation defaults The installation of the driver may take several minutes 4 After the driver has been installed connect the USB service cable to a USB port on your PC Windows
68. racter Set DBCS O ISO 8859 1 O ISO 10646 Universal Character Set 2 UCS2 O ISO 10646 UCS 4 O Japanese Industrial Standard JIS C 6226 Types of non BACnet equipment None network s supported Transmitter Models and Objects The availability of BACnet objects depends on the transmitter model The following objects are present on all GMW90 series models Device object Carbon dioxide object Temperature object The following additional objects are present on models that include relative humidity measurement for example GMW95R Relative humidity object Calculated humidity objects Operation pressure object Operation altitude object VAISALA T7 User s Guide Device Object Note the following Writable means writable via BACnet Max Master and Max_Info_ Frames are required in a Master device UV Configured at Vaisala factory to a unique value See additional information after the table Table 18 Device Object Properties Property Data type Application Writable Value or Initial Value Persistence Type Conforma nce Code Object_Identifier BACnetObjectldentifier Y R 02 00 00 00 hex Nonvolatile Object Type 8 Instance xxxxxxx UV Object_Name CharacterString 50 Y R XMW90_Yxxxxxxx UV Nonvolatile Object_Type BACnetObjectType N R 8 Device Object Fixed ENUMERATED System_Status BACnetDeviceStatus N R 0 Operational Volatile
69. ransmitter body over the mounting base Note that mounting bases are model specific WARNING Connect only de energized wires VAISALA 25 User s Guide Ve 18 95 VOC 24VAC Shid GND Da we BC BBB Automatic BBE 32400 A a RR 400 KN 57600 BA 9800 a 76800 Baud WER 115200 Apg 19209 Rate Figure 10 i gt qT up Ve 18 5 VOC 24VAC Shid GND d EH I eemg Figure 11 Wiring from Above 1310 044 Wiring from Behind Recommended 1310 045 26 M211659EN A Chapter 3 VAISALA Installation Wiring GMW95 The RS 485 line of the transmitter is isolated from the power supply A separate ground reference terminal GND is provided for the RS 485 connection If you are using a shielded cable you can use the Shld terminal to hold the exposed part of the shield Note that the Shld terminal is floating not electrically connected BALL ShldGND D D Vs Vs Power supply 18 35 VDC or 24 VAC 20 RS 485 1209 014 Figure 12 Wiring GMW95 Connecting Several Transmitters on Same RS 485 Line Set the RS 485 termination jumper to ON on the transmitter that is at the end of the line This terminates the line with a 120 Q resistor For location of the jumper see section Transmitter Parts Inside on page 6 Connect the cable shield to ground on the building controller side Build
70. recover Other errors may be recoverable if their cause is removed ERRT lt cr gt Example gt errt Id Level State Error text T 0O CRITICAL OFF FLASH memory corrupted 23 O CRITICAL OFF Parameter read using defaults 3 0O CRITICAL OFF Parameter write 4 O CRITICAL OFF HTM10 03 FLASH Corrupted 213 0 ERROR OFF HTM10 04 RH measurement 22s 0 ERROR OFF HTM10 05 T measurement 23 0 ERROR OFF HTM10 01 Continuous communication failure 42 Hz ERROR OFF HTM10 06 Device Descriptor mismatch 43 0O CRITICAL OFF Factory parameter memory not consistent TO 0 ERROR OFF GM10 01 Continuous communication failure 81 O CRITICAL OFF GM10 03 FLASH Corrupted 82 0 CRITICAL OFF GM10 04 MEM I 28 0 ERROR OFF GM10 10 Device Descriptor mismatch 88 0 ERROR OFF GM10 11 Module uncalibrated 89 0 ERROR OFF GM10 12 CO2 measurement VAISALA 67 User s Guide Reverting to Factory Settings GMW90 series transmitters including factory customized transmitters can be reverted to their original shipping configuration using the DIP switches or the service port Reverting the transmitter to factory settings clears all user configuration that has been done using the service port User made adjustments are also cleared from the GM10 and HTM10 measurement modules The factory calibration will remain Reverting to Factory Settings Using DIP Switches Disconnect the transmitter cover from t
71. ry B AE ESUM B O Scheduling External B SCHED E B o Trending Viewing and Modifying Trends Internal B T VMT I B o Trending Automated Trend Retrieval B T ATR B O Device Management Dynamic Device Binding A DM DDB A o Device Management Dynamic Device Binding B DM DDB B v1 Device Management Dynamic Object Binding A DM DOB A o Device Management Dynamic Object Binding B DM DOB B v1 Device Management Device Communication Control B DM DCC B v Device Management Time Synchronization B DM TS B O Device Management UTC Time Synchronization B DM UTC B o Device Management Reinitialize Device B DM RD B vi Device Management Backup and Restore B DM BR B o Network Management Connection Establishment A NM CE A O 86 M211659EN A Appendix A BACnet Reference Application Services Supported Table 41 below lists all the BACnet standard application services The checked services are supported by the device Table 41 Application Service AcknowledgeAlarm BACnet Standard Application Services Support Initiates Requests Executes Requests AddListElement AtomicReadFile AtomicWriteFile ConfirmedCOVNotification ConfirmedEventNotification ConfirmedPrivate Transfer ConfirmedTextMessage CreateObject DeleteObject DeviceCommunicationControl Disconnect Connection To Network Establish Connection To Network GetAlarmSummary GetEnrollmentSumm
72. shown when an i MI70 Indicator is connected to the service port Bottom left Alert indicator and error text Is shown if an ty error is active The error message is written after the indicator See section Error Messages on page 66 Service Port CAUTION VAISALA You can connect to the service port on the GMW90 series transmitters using a PC or an MI70 indicator The MI70 indicator is the hand held display device that is included with for example the Vaisala CARBOC ART Hand Held Carbon Dioxide Meter GM70 The service port is not galvanically isolated from the rest of the transmitter electronics Connect only equipment with a floating power supply not grounded to the service port If you connect a device that is grounded to a different potential than the transmitter s power supply you will affect the accuracy of the transmitter s analog outputs You may even affect the transmitter s functionality or cause damage to the transmitter Connecting With an MI70 Indicator When connecting using an MI70 indicator use the connection cable for GM70 hand held meter Vaisala order code 219980 The following functionality is available when using the MI70 Standard MI70 functions such as viewing logging and graphs of measurement results Calibration and adjustment fuctions for the transmitter For more information see section Adjustment Using a on page 59 Setting of the pressure compensation value fo
73. t NOTE Note highlights important information on using the product M211659EN A Chapter 1 General Information Safety The transmitter delivered to you has been tested and approved as shipped from the factory Note the following precautions WARNING Connect only de energized wires CAUTION If you connect more than one transmitter to a single 24 VAC transformer always connect the phase to the Vs connector in each transmitter CAUTION The trimmers only turn 135 degrees each way less than half a rotation Do not force the trimmer past the stopping point CAUTION Do not modify the unit Improper modification can damage the product or lead to malfunction ESD Protection Electrostatic Discharge ESD can cause immediate or latent damage to electronic circuits Vaisala products are adequately protected against ESD for their intended use It is possible to damage the product however by delivering electrostatic discharges when touching removing or inserting any objects inside the equipment housing To make sure you are not delivering high static voltages yourself When installing the transmitter do not touch exposed contacts on the component board Handle ESD sensitive components on a properly grounded and protected ESD workbench Always hold component boards by the edges and avoid touching the component contacts VAISALA 9 User s Guide Recycling fs Recycle all ap
74. tment of CO Measurement CCO2 RESET lt cr gt Example gt pass 9000 gt cco2 reset OK Adjust Humidity Measurement Use the CRH command to perform a humidity adjustment of the relative humidity RH measurement You can do a 1 point or a 2 point adjustment or clear the adjustment information from the HTM10 module Note that the factory adjustment will remain intact when user adjustment is cleared NOTE VAISALA Before using the CRH command read section Notes for RH Adjustment on page 57 Show Current RH Adjustment CRH lt cr gt Example showing default offset and gain gt pass 9000 gt crh RH Gain 1 000 RH Offset 0 000 49 User s Guide 50 1 point Adjustment of RH Measurement The 1 point adjustment adjusts both offset and gain depending on the adjustment condition The same type of adjustment is done when turning the RH trimmer Place the transmitter in the reference condition and allow it to stabilize before entering the adjustment CRH ONE x lt cr gt where x The reference humidity condition RH that the transmitter should be showing Example gt pass 9000 gt erh one 11 OK 2 point Adjustment of RH Measurement CRH ZO HI x lt cr gt where LO Adjustment point at the dry end low RH HI Adjustment point at the wet end high RH The difference between the two points should be at least 30 RH x The reference humidity condition RH that the tr
75. ts firmly in place HTM10 module Remove and reconnect HTM1004 21 Problem with Check for missing or humidity damaged HUMICAP measurement sensor on the HTM10 module Check for condensation on the HUMICAP sensor Wait for the sensor to dry out HTM1003 l4 Internal problem Restart the transmitter with HTM10 Replace the module if HTM1005 22 module unable to remove the problem HMT1006 42 GM10 01 79 Communication Check that the GM10 module problem with sits firmly in place Remove GM10 module and reconnect GM10 03 81 Internal problem Restart the transmitter GM10 04 82 with GM10 Replace the module if GM10 10 28 module unable to remove the GM1011 88 DE GM10 12 89 Dirty or damaged Replace module GM10 module Internal 1 1 Internal problem Restart the transmitter with the Restore the factory Internal 2 2 transmitter settings using service Internal 3 3 port or DIP switches if Internal 4 43 reset does not help M211659EN A Chapter 6 Troubleshooting Viewing Error Messages on Serial Line View Currently Active Errors Use the ERRS command to view currently active errors on the serial line ERRS lt cr gt Example gt errs NO ERRORS View Error Table Use the ERRT command to view the table of possible transmitter errors The table includes error ID error count since last reset level current state and error text Critical errors require a transmitter reset to
76. will detect the new device and use the driver automatically 5 The installation has reserved a COM port for the cable Verify the port number and the status of the cable using the Vaisala USB Instrument Finder program that has been installed in the Windows Start menu Windows will recognize each individual cable as a different device and reserve a new COM port Remember to use the correct port in the settings of your terminal program There is no reason to uninstall the driver for normal use However if you wish to remove the driver files and all Vaisala USB cable devices you can do so by uninstalling the entry for Vaisala USB Instrument Driver from the Programs and Features menu in the Windows Control Panel In Windows XP and earlier Windows versions the menu is called Add or Remove Programs M211659EN A Chapter 4 Operation Terminal Application Settings The serial interface settings of the service port are presented in Table 6 below The settings are fixed and cannot be changed by the user Table 6 Serial Interface Settings Property Description Value Baud rate 19200 Parity None Data bits 8 Stop bits 1 Flow control None The steps below describe how to connect to the transmitter using the PuTTY terminal application for Windows available for download at www vaisala com and a USB serial interface cable 1 Connect the USB serial interface cable between your PC and the service port

GMW90 Series User's Guide M211659EN-A

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