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Chapter 2 __________________________________________________________ Product Overview

VAISALA____________________________________________________________________ 21

0604-060

Figure 2

Inside the Transmitter

Numbers refer to Figure 2 above:

1 = Service

port

(RS-232)

DIP switches for analog output settings

Power supply and signal wiring screw terminals

Relay, RS-422/485, data logger, LAN, WLAN, or analog
output module (optional)

Grounding connector for power supply module

Adjustment buttons (chemical purge buttons) with indicator
led

Output isolation module (optional)

Temperature probe cable

Humidity probe cable

10 = BARO1

module

11 = Pressure

port

12 = Power

supply

module.

Содержание PTU300

Страница 1: ...USER S GUIDE Vaisala Combined Pressure Humidity and Temperature Transmitter PTU300 M210796EN C...

Страница 2: ...echanical including photocopying nor may its contents be communicated to a third party without prior written permission of the copyright holder The contents are subject to change without prior notice...

Страница 3: ...t 15 Warranty 16 CHAPTER 2 PRODUCT OVERVIEW 17 Introduction to PTU300 17 Basic Features and Options 18 New and improved features compared to PTU200 18 Pressure Measurement 19 Structure of the Transmit...

Страница 4: ...nterface 52 Installation and Wiring 52 LAN Interface 55 WLAN Interface 56 Attaching the WLAN Antenna 57 Data Logger Module 57 CHAPTER 4 OPERATION 59 Getting Started 59 Display Keypad Optional 59 Basic...

Страница 5: ...ing Reading Once 90 SEND 90 SEND D 91 SCOM 91 Formatting Serial Line Message 92 FTIME and FDATE 92 General Settings 92 Changing Quantities and Units 92 Using Display Keypad 93 Using Serial Line 93 FOR...

Страница 6: ...Analog Output Fault Indication Setting 119 AERR 119 Operation of Relays 120 Quantity For Relay Output 120 Measurement Based Relay Output Modes 120 Relay Setpoints 120 Hysteresis 121 Relay Indicating T...

Страница 7: ...USTMENT 145 Pressure 145 Opening And Closing the Adjustment Mode 146 Pressure Adjustment 147 1 point Adjustment Using Display Keypad 147 1 point Adjustment Using Serial Line 148 LCI 148 LC 148 MPCI 14...

Страница 8: ...er Weight 166 Technical Specifications of Optional Modules 166 Power Supply Module 166 Analog Output Module 166 Relay Module 167 RS 485 Module 167 LAN Interface Module 167 WLAN Interface Module 167 Da...

Страница 9: ...ions to 24 VAC Power Supply 38 Figure 21 Measurement Error at 100 RH 39 Figure 22 Horizontal Mounting of Probe 40 Figure 23 Vertical Mounting of Probe 40 Figure 24 Power Supply Module 43 Figure 25 Gal...

Страница 10: ...Buttons 146 Figure 67 Adjustment Menu 147 Figure 68 Selecting Point 1 Reference Type 151 Figure 69 Accuracy over Temperature Range 161 Figure 70 Accuracy in Dewpoint Measurement 164 Figure 71 Transmi...

Страница 11: ...Mode 65 Table 14 Default Serial Communication Settings for the User Port 74 Table 15 Communication Settings for the Service Port 76 Table 16 IP Settings for the LAN and WLAN Interfaces 77 Table 17 Wir...

Страница 12: ...User s Guide ______________________________________________________________________ 10 __________________________________________________________________ M210796EN C This page intentionally left blank...

Страница 13: ...he Vaisala Combined Pressure Humidity and Temperature Transmitter PTU300 Version Information Table 1 Manual Revisions Manual Code Description M210796EN A June 2006 First version M210796EN B June 2007...

Страница 14: ...be lost NOTE Note highlights important information on using the product Feedback Vaisala Customer Documentation Team welcomes your comments and suggestions on the quality and usefulness of this publi...

Страница 15: ...ng the boards Always hold the boards by the edges and avoid touching the component contacts Regulatory Compliances Transmitters with LAN or WLAN Interface This equipment has been tested and found to c...

Страница 16: ...ned to operate with a 2 dBi half wave antenna Antennas with a gain greater than 2 dB are strictly prohibited for use with this device The required antenna impedance is 50 ohms To reduce potential radi...

Страница 17: ...Windows Windows 2000 Windows Server 2003 Windows XP and Windows Vista are registered trademarks of Microsoft Corporation in the United States and or other countries License Agreement All rights to any...

Страница 18: ...t shall should Vaisala so require be sent to the works of Vaisala or to such other place as Vaisala may indicate in writing freight and insurance prepaid and properly packed and labelled unless Vaisal...

Страница 19: ...RS 422 485 optional can be selected A local display is also available The quantities measured and calculated by PTU300 are presented in Table 3 on page 19 The quantities available as an option are pre...

Страница 20: ...ng chemicals in the measuring environment pose a risk Warmed probe and sensor heating for high humidity conditions PTU307 Optional temperature sensor for PTU307 Optional modules isolated power supply...

Страница 21: ...etric Unit Non Metric Unit Pressure P See Table 5 below Relative Humidity RH RH RH Temperature T C F Table 4 Optional Quantities Measured by PTU300 Quantity Abbreviation Metric Unit Non Metric Unit De...

Страница 22: ...__________________________________ M210796EN C Structure of the Transmitter 0604 005 Figure 1 Transmitter Body The numbers refer to Figure 1 above 1 Signal powering cable gland or WLAN antenna connect...

Страница 23: ...e 1 Service port RS 232 2 DIP switches for analog output settings 3 Power supply and signal wiring screw terminals 4 Relay RS 422 485 data logger LAN WLAN or analog output module optional 5 Grounding...

Страница 24: ..._______________________________ M210796EN C Probe Options 0601 010 Figure 3 Probe Options Numbers refer to Figure 3 above 1 PTU301 Probe for wall mounting 2 PTU303 Probe for general use 3 PTU307 for d...

Страница 25: ...t observe the actual humidity in the ambient air If the condensed water is contaminated the life span of the probe may shorten and calibration may change PTU307 probe shall be used in applications whe...

Страница 26: ...User s Guide ______________________________________________________________________ 24 _______________________________________________________________ M210796EN C This page intentionally left blank...

Страница 27: ...N This chapter provides you with information that is intended to help you install the product Mounting the Housing The housing can be mounted either without the mounting plate or with optional mountin...

Страница 28: ...e installed directly on wall or onto a standard wall box also US junction box When wiring through back wall remove the plastic plug from the wiring hole in the transmitter before mounting 0503 004 Fig...

Страница 29: ...DIN rail installation kit includes a wall mounting kit 2 clip fasteners and 2 screws M4 x 10 DIN 7985 Vaisala order code 215094 1 Attach two spring holders to the plastic mounting plate by using the...

Страница 30: ...ole or pipeline Vaisala order code 215108 includes the metal mounting plate and 4 mounting nuts for pole mounting When mounting the arrow in the metal mounting plate must point upwards see Figure 10 o...

Страница 31: ...tallation kit and installation kit for pole or pipeline 0503 041 Figure 10 Mounting with Metal Wall Mounting Plate Numbers refer to Figure 10 above 1 Mount the plate to wall with 4 screws M8 not provi...

Страница 32: ...the mounting plate with 4 fixing screws provided Panel Mounting Frame To enable a neat and dirt free embedded installation of the transmitter a panel mounting frame is available as an option Vaisala...

Страница 33: ...______________________ 31 4 Remove the paper protecting the adhesive tape on the frame and attach the frame around the transmitter Refer to Figure 13 below 0704 002 Figure 13 Panel Mounting Frame The...

Страница 34: ...ld be 8 11 mm The number of cable bushings depends on the transmitter options See the following recommendations for the cable bushings 0604 059 Figure 15 Cable Bushings Numbers refer to Figure 15 abov...

Страница 35: ...__ Installation VAISALA____________________________________________________________________ 33 Grounding the Cables Ground the screen of the electrical cable properly to achieve the best possible EMC...

Страница 36: ...ansmitter Housing In case you need to ground the transmitter housing the grounding connector is found inside the housing see Figure 2 on page 21 above Make sure that the probe is connected to the same...

Страница 37: ...nals WARNING Make sure that you connect only de energized wires 1 Open the transmitter cover by taking out the four cover screws 2 Insert the power supply wires and signal wires through the cable bush...

Страница 38: ...is lit continuously during normal operation 7 Close the cover and replace the cover screws The transmitter is ready for use 8 Pin Connector 0503 026 Figure 18 Wiring of Optional 8 Pin Connector Table...

Страница 39: ..._______ 37 D 9 Connector Figure 19 Wiring of Optional D 9 Connector Table 7 Pin Assignments to RS 232 485 Serial Output Pin Wire Color Serial Signal RS 232 C RS 485 1 Red 2 White TX 3 Black RX 4 Yello...

Страница 40: ...f Figure 20 below If you have to connect several transmitters or other instruments to one AC supply the phase must always be connected to the connector of each transmitter see the lower part of Figure...

Страница 41: ...00 RH a difference of 1 C between the environment and the probe causes an error of 6 RH The graph below illustrates the measurement error at 100 RH when the difference between the ambient and sensor t...

Страница 42: ...umbers refer to Figure 22 above 1 To be sealed 2 To be insulated 3 Insulate the cable 4 Let the cable hang loosely This prevents condensed water running to the sensor along the cable 0507 022 Figure 2...

Страница 43: ...tallation kits and some installation examples see Appendix A below on page 173 PTU303 for General Use The PTU303 is a small size d 12mm probe for general use up to 80 C 176 F The probe is suitable for...

Страница 44: ...k connector Vaisala s Meteorological Installation kit The installation kits are available for both humidity and temperature probe Temperature Probe Optional An additional temperature probe is availabl...

Страница 45: ...onnected to the power supply module only by an authorized electrician A readily accessible disconnect device shall be incorporated in the fixed wiring 0506 027 Figure 24 Power Supply Module Numbers re...

Страница 46: ...on page 21 4 Connect the wires from the terminals of the power supply module marked with and to the terminals POWER 10 35 V 24V on the motherboard of the transmitter 5 Connect the AC mains voltage wi...

Страница 47: ...d alimentation du transmetteur lorsqu il est en service Ne pas raccorder le secteur au module d alimentation lorsque celui ci n est pas install dans le transmetteur PTU300 Toujours raccorder un borni...

Страница 48: ...de eisen van de richtlijn 73 23 EEG Laagspanningsrichtlijn De stroom kan aan de stroomtoevoer module aangesloten worden alleen door een bevoegde monteur Het is niet toegestaan de stroomtoevoer module...

Страница 49: ...ugin s eminimo jungties is produkts atbilst Zemsprieguma direkt vai 73 23 EEC Str vas piesl gumu var piesl gt pie baro anas avota modu a tikai autoriz ts elektri is Neatvienot baro anas avota moduli n...

Страница 50: ...00 can be ordered with optional output isolation module This module prevents harmful grounding loops NOTE Output isolation module is not needed when using the power supply module 0506 030 Figure 25 Ga...

Страница 51: ...ODULE 1 4 Take out the protective plug from the cable gland and thread the wires 5 Connect the wires to the screw terminals marked with Ch and Ch 6 Select the current voltage output by setting ON eith...

Страница 52: ...use attach the grounding wire to the grounding terminal 4 Connect the flat cable between the relay module and the MODULE 1 pins of the motherboard 5 Take out the protective plug from the cable gland...

Страница 53: ...e 1 Indication led for the relay 1 or 3 2 Relay test buttons 3 Flat cable pins 4 Indication led for relay 2 or 4 WARNING The relay module may contain dangerous voltages even if the transmitter power h...

Страница 54: ...tinue with the item 4 2 To attach the module open the transmitter cover and fasten the RS 485 module to the bottom of the housing with four screws 3 Connect the flat cable between the RS 485 module an...

Страница 55: ...you are connecting many transmitters to the same RS 485 bus make sure that switches 1 and 2 are OFF and terminate the bus with separate terminators at both ends This allows removing any transmitter w...

Страница 56: ...0796EN C Table 9 4 Wire Switch 3 On RS 485 master Data PTU300 TxA RxA TxB RxB RxA TxA RxB TxB Figure 31 2 Wire RS 485 Bus Table 10 2 Wire Switch 3 Off RS 485 master Data PTU300 A A B B 8 When operatin...

Страница 57: ...le using a standard twisted pair Ethernet cable 10 100Base T Transmitters with the optional LAN interface are delivered pre installed with a suitable cable and cable gland The LAN interface can use bo...

Страница 58: ...user can connect to the transmitter using the MI70 Link software or by using a telnet client program such as Hyperterminal When the WLAN Interface is in use serial communication using the User Port i...

Страница 59: ...for 3 parameters at a 10 second sampling interval When the memory is full the data recording will not stop Instead the oldest data is overwritten For each parameter and observation period the module...

Страница 60: ...ou can set the time by using the keypad display or the serial commands 0706 068 Figure 34 Data Logger Module The following numbers refer to Figure 34 above 1 Flat cable pins 2 Battery After a reset or...

Страница 61: ...uage with the arrow buttons and press the SELECT button the left hand button The pressure has an effect on humidity calculations and accuracy Therefore accurate calculations can be achieved only when...

Страница 62: ...units You can select 1 3 quantities for the basic display see section Changing Quantities and Units on page 92 0601 014 Figure 35 Basic Display Numbers refer to Figure 35 above 1 The Info shortcut ke...

Страница 63: ...____________________ 61 Pressure 3h Trend and Tendency Reading Using Basic Display 0604 056 Figure 36 P3H Tendency Display indicators for pressure 3h trend and tendency above where 1 Tendency Increasi...

Страница 64: ...scribed as follows 0604 055 Figure 37 Pressure Tendency Description where 0 Increasing then decreasing atmospheric pressure the same or higher than three hours ago 1 Increasing then steady or increasi...

Страница 65: ...rganization WMO publication Manual on Codes Vol I 1 International Codes Part A Alphanumerical Codes 1995 Edition WMO No 306 Section C Code Table 0200 a Using Serial Line Pressure 3h trend and tendency...

Страница 66: ...Max Min Calculations Observation Period Period for Trend Max Min Calculations Resolution 20 minutes 10 seconds 3 hours 90 seconds 1 day 12 minutes 10 days 2 hours 2 months 12 hours 1 year 3 days 4 ye...

Страница 67: ...transmitter s date and time setting the displayed timestamps in the history graph change accordingly For an explanation of the effect of changing the date and time manually see section Data Logger Mo...

Страница 68: ...dged errors if any device identification product name version and serial number adjustment information the latest date user made adjustments measuring settings information on chemical purge settings w...

Страница 69: ...c display mode 2 Scroll the list upwards or downwards by pressing the up down arrow buttons You can select an option by highlighting it 3 To open a submenu press the right arrow button 4 To return to...

Страница 70: ...t hand button to exit to the basic display Rounding Setting Round off one decimal by using the Rounding function The default setting is rounding on Rounding has no effect on quantities without decimal...

Страница 71: ...ng the menu PIN lock When this function is activated the basic display and graphical views are available but access elsewhere in the menu is locked The key symbol indicates the activation of this feat...

Страница 72: ...eral Settings on page 92 for a description of the other menu options Display Alarms The Display Alarm feature provides two independently configurable alarms for transmitters with the display keypad op...

Страница 73: ...e measured quantities have exceeded the limits Configuring a Display Alarm 1 Enter the Main Menu by pressing an arrow key on the keypad 2 Use the arrow keys to select Display followed by Alarms to ope...

Страница 74: ...8 Press the Exit button to leave the alarm configuration screen and return to the basic view MI70 Link Program for Data Handling The recorded data can be transferred to a PC by using MI70 Link program...

Страница 75: ...ogram detects the connection type automatically there is usually no need to select a COM port manually The MI70 Link program and the optional connection cables are available from Vaisala See list of a...

Страница 76: ...4800 Parity Even Data bits 7 Stop bits 1 Flow control None 1 2 3 4 5 6 7 8 9 RxD GND TxD Ch1 Ch1 Ch2 Ch2 ANALOG OUTPUTS USER PORT POWER RS 232 10 36 V 24 V IOIOI 0506 033 Figure 46 Connection Example...

Страница 77: ...pear The driver is compatible with Windows 2000 Windows XP Windows Server 2003 and Windows Vista 1 Check that the USB cable is not connected Disconnect the cable if you have already connected it 2 Ins...

Страница 78: ...erminal program and set the communication settings as follows Table 15 Communication Settings for the Service Port Parameter Value Bauds 19200 Parity None Data bits 8 Stop bits 1 Flow control None For...

Страница 79: ...The four part network ID of the transmitter Must be set manually if automatic configuration is not used Example value 192 168 0 222 Netmask Used together with the IP address to determine which networ...

Страница 80: ...configuration menu select Automatic configuration DHCP or enter the IP address Netmask and Gateway manually If automatic configuration is enabled manual configuration cannot be done 0709 004 Figure 48...

Страница 81: ...or OFF Enables or disables the Web Configuration page IP The four part network ID of the transmitter Must be set manually if automatic configuration is not used SUBNET Used together with the IP addres...

Страница 82: ...le 17 Wireless LAN Settings Parameter Description SSID The service set identifier i e network name of the wireless network to connect to 1 32 characters Security type The security type of the wireless...

Страница 83: ...10 Figure 50 Entering Network SSID 6 To change the currently selected Network type select the Type entry and press the Change button Select the new type from the list and press the Select button 0802...

Страница 84: ...ork type you will be asked to enter the security key With the WEP encryption you must enter the encryption key in hexadecimal 10 hexdecimals for 64 bit encryption or 26 hexadecimals for 128 bit encryp...

Страница 85: ...e Telnet settings The commands for changing the settings are SMODE INTV ADDR and ECHO Web Configuration for LAN and WLAN The LAN and WLAN interfaces both have a web configuration page that is accessib...

Страница 86: ...g instructions show a connection example with HyperTerminal program for the Microsoft Windows operating system NOTE HyperTerminal is not included with the Windows Vista operating system 1 Start HyperT...

Страница 87: ...al cable is connected and click OK If you are using the USB RJ45 cable to connect to the Service Port check the communications port that the cable is using with the USB Instrument Finder program that...

Страница 88: ...mitter s serial interface user port or service port If you are using the USB RJ45 cable you are connecting to the service port Verify that Flow control is set to None Click OK to start using the seria...

Страница 89: ...baud p d s User Port settings Default 4800 E 7 1 baud 300 115200 ADDR 0 99 Set the transmitter address for POLL mode NET View or set networking parameters for LAN and WLAN interfaces WLAN View or set...

Страница 90: ...ation LC Output the linear corrections in use LCI ON OFF Activate or deactivate the linear offset or offset gain pressure corrections LCI Enter new linear offset and offset gain pressure corrections t...

Страница 91: ...Description 0100P9 Data output query 0200P9 Data output query 9900P9 Data output query 9900SN Serial number query Table 27 Other Commands Command Description Output information about the device Outpu...

Страница 92: ...essage format can be changed with the FORM command Status of chemical purge and probe heating can be added with the FST command Date and time information can be added with commands FDATE and FTIME Sto...

Страница 93: ...743 Tdf C 189 2324 Capasitance pF 15 0709 RH raw calculated from scaled capasitance RH 15 0399 Enchancement factor corrected RH RH 23 9765 Temperature of the additional temperature probe optional C SC...

Страница 94: ...utputs enter FDATE x where x ON or OFF Example send RH 98 4 RH T 31 0 C ftime on Form time ON send 03 47 59 RH 98 4 RH T 31 0 C fdate on Form date ON send 2004 07 05 03 48 03 RH 98 4 RH T 31 0 C Gener...

Страница 95: ...the EXIT key to return to the basic display To select the display unit 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Display press the right arrow button 3 Select Units and press th...

Страница 96: ...acters 00 99 ERR Error flags for P T Ta RH 0000 1111 0 no error STAT Transmitter status in 7 character field for example N 0 no heating h 115 probe heating active power 115 255 H 159 0 purge heating a...

Страница 97: ...4 RH T 31 1 C UNIT Use this command to select metric or non metric output units With the command you can also set P units UNIT x y where x M or N or P y Pressure Units see Table 5 on page 19 where M M...

Страница 98: ...ow buttons to select and change the values 5 You can also change the date and time formats that are shown in the graphs The selected formats are only used in graphical display they do not change the f...

Страница 99: ...utput format is used The maximum length of FORM is 128 characters NOTE Check that the serial bus settings of the transmitter and those of the GPS receiver are the same A baud rate less than 9600 is re...

Страница 100: ...er r n CR LF _ space Output format send cr PASHS XDR P 0 99710 B S1630001 C 22 47 C S1630001 H 20 84 P S1660001 Example 2 PASHS XDR P 1 5_P_ B C _3 2_T_ C H _RH_ P _ r_ n_ Output format send cr PASHS...

Страница 101: ...ressure is taken into consideration Note that conversions from mmHg and inHg are defined at 0 C and for mmH2O and inH2O at 4 C NOTE Pressure compensation is intended to be used in normal air only When...

Страница 102: ...ow buttons 7 Press the OK key and then exit the menu Using Serial Line PRES and XPRES Command XPRES should be used if the value is changed frequently Its value is not retained at reset and when set to...

Страница 103: ...asurements The user also has to define the FORM command to include the OK stability indicator field The factory setting for the stability indicator level is 0 5 hPa Example pstab cr Stab indicator OFF...

Страница 104: ...rvice port are fixed and not changeable 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Interfaces and press the right arrow button 3 Select Serial interface and press the right arrow...

Страница 105: ...SERI b p d s to set communication settings for the user port SERI b p d s where b Bit rate 110 150 300 600 1200 2400 4800 9600 19200 38400 57600 115200 p Parity n none e even o odd d Data bits 7 or 8...

Страница 106: ...ll default mode RUN Automatic output Only command S POLL Only with the SEND addr command Use with RS 485 buses see Operation of the RS 485 Module on page 127 SEND One message at power up Selected outp...

Страница 107: ...nded filtering There are three filtering levels available AVRG x cr where X 1 60 s default 1 s The AVRG command is used to set and inspect the averaging time during which the individual measurement sa...

Страница 108: ...MAIN MENU 2 Select Measuring and press the right arrow button 3 Select Filtering and press the CHANGE key 4 Select Off Standard Extended and press the SELECT key 5 Press the EXIT key to return to the...

Страница 109: ...nd WLAN interfaces analog output information relay output information when applicable Using Serial Line Use the serial line command to check the current transmitter configuration Command is similar bu...

Страница 110: ...DELETE DIR DSEL DSEND ECHO ERRS FCRH FDATE FILT FORM FST FTIME HELP INTV ITEST MODS NET OPEN PLAY PRES R RESET SEND SERI SMODE TEST TIME UNDELETE UNIT VERS WLAN XPRES ERRS Use the command ERRS to disp...

Страница 111: ...the user from entering the menu using the keypad or to lock the keypad completely You can optionally set a 4 digit PIN code for example 4444 If a PIN code has been set the user will be prompted to en...

Страница 112: ...l view of the display or it can be listed out by using the serial line or MI70 Link program Selecting Data Recording Quantities If the device is provided with the optional display the recorded quantit...

Страница 113: ...number of recorded files to seven for each quantity Thus the total amount of the files varies between 6 and 21 See Table 12 on page 64 Select for example two quantities P and T The last column illust...

Страница 114: ...he PLAY command to output the selected file to the serial line If the data logger module is installed you can specify an interval to be outputted Data in the output is TAB delimited This is compatible...

Страница 115: ...r at 10 second resolution To make it easier to process the data it is recommended to select the largest suitable data interval and to specify the start and end times carefully Deleting the Recorded Fi...

Страница 116: ...Analog Output Settings The analog outputs are set in the factory according to the order form In case you want to change the settings follow these instructions See section Third Analog Output on page...

Страница 117: ...Current Voltage Switches of Output Modules Numbers refer to Figure 56 above 1 Current voltage selection output switches from 1 to 2 2 Current voltage range selection switches from 3 to 7 in analog out...

Страница 118: ...u have customized the error output setting AERR check that the set error values are still valid after changing the output mode range see section Analog Output Fault Indication Setting on page 119 Anal...

Страница 119: ...w buttons up down left right Press the OK key to confirm your setting 9 Press the EXIT key to return to the basic display AMODE ASEL Use the serial line to select and scale the analog output quantitie...

Страница 120: ...he MAIN MENU 2 Select System and press the right arrow button 3 Select Diagnostics and press the right arrow button 4 Select Analog output tests and press the right arrow button 5 Select one of the te...

Страница 121: ...use unexpected problems in process monitoring Use the display keypad to set the analog output fault indication 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Interfaces and press the...

Страница 122: ...output value is not necessarily shown Operation of Relays Quantity For Relay Output A relay monitors the quantity chosen for the relay output Any of the quantities available can be chosen Measurement...

Страница 123: ...oes out of range or the measurement fails NOTE If the measurement of the selected quantity fails or the transmitter loses its power the relay is released Hysteresis Hysteresis function is to prevent t...

Страница 124: ...e passes the exact value of the setpoint Relay Indicating Transmitter Error Status You can set a relay to follow the operation status of the device By selecting FAULT ONLINE STATUS for output quantity...

Страница 125: ...NE STATUS Relay Output Modes FAULT ONLINE STATUS relays are usually used in conjunction with an analog output to obtain validity information for the output value NOTE If transmitter loses its power al...

Страница 126: ...the arrow buttons to open the MAIN MENU 2 Select Interfaces and press the right arrow button 3 Select Relay outputs and press the right arrow button 4 Select Relay 1 2 3 4 press the right arrow butto...

Страница 127: ...indow limit switch Selecting relay 1 to follow dewpoint frost point temperature measurement and relay 2 to follow temperature measurement Two relay setpoints are set for both relays rsel rh t Rel1 RH...

Страница 128: ...00 C Rel2 T hyst 0 00 C 2 Rel2 T enabl OFF ON Testing Operation Of Relays Testing activates relays even if they are disabled Use the module push buttons to activate the relays Press the REL 1 or REL 2...

Страница 129: ...dule RS 485 interface enables communication between RS 485 network and PTU300 transmitter The RS 485 interface is isolated and offers a maximum communications rate of 115 200 bits s For maximum bus le...

Страница 130: ...he service port or RS 422 485 port Also the optional display keypad can be used see section User Port Serial Settings on page 102 SDELAY With the SDELAY command you can set delay response time for use...

Страница 131: ...mode SMODE xxxx where xxxx STOP RUN POLL or SEND In STOP mode measurements output only by command SEND all commands can be used In RUN mode outputting automatically only command S can be used to stop...

Страница 132: ...o enables the fastest possible output rate ADDR Addresses are required only for POLL mode see serial line command SMODE on page 104 Use the ADDR command to input the RS 485 transmitter address OPEN aa...

Страница 133: ...emical present in the measured gas for example The decrease of sensor gain due to an interfering chemical and the effect of the chemical purge process are illustrated below see Figure 60 on page 132 T...

Страница 134: ...rval Purge When PTU300 leaves the factory the automatic chemical purge if chosen takes place repeatedly with the time intervals set in the factory User can change the interval in which the purge takes...

Страница 135: ...sing Buttons On Motherboard Start manual chemical purge by pressing simultaneously two PURGE buttons on the motherboard inside the transmitter for a few seconds Indicator led flashes until purge is co...

Страница 136: ...he interval must be set between 1 hour 10 days Press the OK key Select Start up purge and press the ON OFF key Start manual purge by selecting Manual purge and pressing the START key 4 Press the EXIT...

Страница 137: ...terval is 14400 minutes 10 days Example pur Interval Purge ON Interval 600 min Power up Purge OFF Duration 60 s Settling 240 s Temperature 180 C Temp diff 0 5 C NOTE To activate the new interval setti...

Страница 138: ...predefined conditions are reached again NOTE During the sensor heating the outputs are locked to the values measured before the heating cycle Setting Humidity Sensor Heating Using Display Keypad When...

Страница 139: ...HEAT command without parameters Enter the values after question mark The available ranges include the following Extra heat RH limit heating function starts up above the setpoint 0 100 RH default 95 RH...

Страница 140: ...User s Guide ______________________________________________________________________ 138 ______________________________________________________________ M210796EN C This page intentionally left blank...

Страница 141: ...e with a soft lint free cloth moistened with mild detergent Changing the Probe Filter 1 Turn the filter counter clockwise to loosen it 2 Remove the filter from the probe Be careful not to touch the se...

Страница 142: ...o chapter Calibration and adjustment on page 145 NOTE When replacing the sensor the new sensor must be of the same type as the old sensor for example HUMICAP180L2 The sensor type can only be changed a...

Страница 143: ...section Analog Output Fault Indication Setting on page 119 the serial port outputs stars the cover LED is blinking optional display error indicator is lit 0706 008 Figure 65 Error Indicator and Error...

Страница 144: ...return the faulty unit to Vaisala Service 8 Additional temperature sensor short circuit Check the integrity of the temperature probe and the probe cable Clean the probe cable from dirt water ice or o...

Страница 145: ...isala Service 31 Internal system voltage out of range Internal transmitter failure Remove the transmitter and return the faulty unit to Vaisala Service Technical Support For technical questions contac...

Страница 146: ...on specified in step 2 in the box with the faulty product Also include a detailed return address 5 Ship the box to the address specified by your Vaisala contact Vaisala Service Centers Vaisala Service...

Страница 147: ...ommended that calibration and adjustment should be carried out by Vaisala See section Vaisala Service Centers on page 144 Calibration and adjustment is carried out either by using the push buttons on...

Страница 148: ...ections MPCI calibration date CDATE Opening And Closing the Adjustment Mode 1 Open the transmitter cover The buttons needed in adjustment are on the left hand side of the motherboard 2 If the chemical...

Страница 149: ...LED blinking with short pulses performing chemical purge NOTE If using a warmed probe PTU307 option probe heating will be interrupted when ADJ key is pressed Allow sufficient time for the probe to re...

Страница 150: ...on the motherboard of the transmitter LCI Use the command LCI to activate or deactivate the linear adjustment function to enter new linear offset and offset gain pressure corrections to the transmitt...

Страница 151: ...gives the required corrections When entering new multipoint corrections always start at the low pressure end and then go up the pressure range Key in the multipoint corrections for each pressure tran...

Страница 152: ...on 0 330 P1 7 reading 1200 000 P1 7 correction 0 340 P1 8 reading 0 000 P1 8 correction 0 000 Relative Humidity Adjustment Using Push Buttons A simple push button adjustment is carried out by using tw...

Страница 153: ...into a measurement hole of the 75 RH NaCl reference chamber of the humidity calibrator HMK15 Use the adapter fitting for the PTU307 probe 8 Wait at least 30 minutes for the sensor to stabilize the in...

Страница 154: ...nfirm the adjustment Press the OK key to return to the adjustment menu 10 Press the EXIT key to close the adjustment mode and return to the basic display Before closing the adjustment mode feed the ad...

Страница 155: ...for the HMT334 HMT335 PTU307 and HMT338 probes Press any key when ready 10 Let the probe stabilize for about 30 minutes You can follow the stabilization by typing C and pressing ENTER 11 When stabiliz...

Страница 156: ...mmand FCRH Example FCRH RH 1 82 1 ref 0 Press any key when ready RH 74 22 2 ref 75 OK The OK indicates that the calibration has succeeded Temperature Adjustment Using Display Keypad 1 Press the ADJ bu...

Страница 157: ...the ADJ button on the motherboard to open the adjustment mode If using a warmed probe for measuring probe heating will be interrupted when ADJ button is pressed Wait some time for the probe to reach...

Страница 158: ...rence conditions and replace the filter Analog Output Adjustment Ch1 and Ch2 In the analog output calibration the analog output is forced to the following values current output 2 mA and 18 mA voltage...

Страница 159: ...e adjustment mode and to return to the basic display Using Serial Line Enter the ACAL command and type the multimeter reading for each case Continue by pressing ENTER ACAL Example current outputs ACAL...

Страница 160: ...ding 17 characters at maximum Use the arrow buttons Press the OK key 5 Press the EXIT key to return to the basic display Using Serial Line CTEXT Use the CTEXT command to enter text to the adjustment i...

Страница 161: ...Linearity 0 05 hPa 0 10 hPa 0 20 hPa Hysteresis 0 03 hPa 0 03 hPa 0 08 hPa Repeatability 0 03 hPa 0 03 hPa 0 08 hPa Calibration uncertainty 0 07 hPa 0 15 hPa 0 20 hPa Accuracy at 20 C 0 10 hPa 0 20 h...

Страница 162: ...hysteresis and repeatability with HUMICAP 180 for typical applications HUMICAP 180C for applications with chemical purge and or warmed probe at 15 25 C 1 RH 0 90 RH 1 7 RH 90 100 RH at 20 40 C 1 0 0...

Страница 163: ...over temperature range see graph below 0605 104 Figure 69 Accuracy over Temperature Range Temperature sensor Pt 100 RTD 1 3 Class B IEC 751 Optional Temperature Probe Temperature measurement range 70...

Страница 164: ...uracies of the calculated variables depend on the calibration accuracy of the humidity and temperature sensors here the accuracies are given for 2 RH and 0 2 C Accuracy of Dewpoint Temperature C Relat...

Страница 165: ...29 0 29 0 30 0 30 0 31 0 31 20 0 45 0 45 0 45 0 44 0 44 0 44 0 43 0 43 0 42 0 42 40 0 84 0 77 0 72 0 67 0 64 0 61 0 58 0 56 0 54 0 52 60 1 45 1 20 1 03 0 91 0 83 0 76 0 71 0 67 0 63 0 60 80 2 23 1 64...

Страница 166: ...on the x axis and read the accuracy in dewpoint measurement on the y axis 0 1 2 3 4 5 0 20 40 60 80 100 Dewpoint difference C Accuracy in dewpoint measurement C 20 0 20 40 60 40 Dewpoint temperature...

Страница 167: ...at 20 C 0 05 full scale Temperature dependency of the analog outputs 0 005 C full scale Pressure 500 1100 hPa 50 1100 hPa Accuracy of analog outputs at 20 C 0 30 hPa 0 4 hPa Temperature dependency of...

Страница 168: ...3 3 Technical Specifications of Optional Modules Power Supply Module Operating voltage 100 240 VAC 50 60 Hz Connections screw terminals for 0 5 2 5 mm2 wire AWG 20 14 Bushing for 8 11 mm diameter cabl...

Страница 169: ...e range 40 60 C 40 140 F Operating modes 2 wire 1 pair half duplex 4 wire 2 pair full duplex Operating speed max 115 2 kbaud Bus isolation 300VDC Power consumption 24V max 50 mA External loads standar...

Страница 170: ...r Supply Module POWER 1 Galvanic Isolation Module DCDC 1 SENSORS HUMICAP180 HUMICAP180 HUMICAP180L2 HUMICAP180L2 PT100 Sensor 10429SP FILTERS PPS Plastic Grid with Stainless Steel Netting DRW010281SP...

Страница 171: ...Cable with RJ45 Connector 25917ZZ OUTPUT CABLES FOR 8 PIN CONNECTOR Connection Cable 5m 8 pin M12 Female Black 212142 Female Connector 8 pin M12 with Screw Terminals 212416 Male Connector 8 pin M12 w...

Страница 172: ..._____________________________________________________________________ 170 ______________________________________________________________ M210796EN C Dimensions mm inch 0601 043 Figure 71 Transmitter B...

Страница 173: ..._________________________________ Technical data VAISALA___________________________________________________________________ 171 0804 033 Figure 72 WLAN Antenna Dimensions PTU301 12 0 47 120 4 72 0508...

Страница 174: ...______________ 172 ______________________________________________________________ M210796EN C PTU303 0804 060 Figure 74 PTU303 Probe Dimensions PTU307 0804 061 Figure 75 PTU307 Probe Dimensions Temper...

Страница 175: ...ion kit includes a flange a sealing ring a supporting bar and probe attaching part for the probe and screws for attaching the flange to the duct wall Vaisala order codes 210697 for PTU303 and PTU307 a...

Страница 176: ...heat conduction in the bar and cable Duct Installation Kit for Temperature Probe for PTU307 Vaisala duct installation kit for the T probe includes flange supporting bar probe attaching part sealing r...

Страница 177: ...stallation Kits For PTU307 RH Probe Installation Swagelok installation kit for the relative humidity probe includes Swagelok connector with ISO3 8 or NPT1 2 thread Vaisala order codes SWG12ISO38 or SW...

Страница 178: ...obe Installation Swagelok installation kit for T probe includes Swagelok connector with either ISO1 8 or NPT1 8 thread Vaisala order codes SWG6ISO18 or SWG6NPT18 135 mm 33 mm 18 mm min max 30 mm 1 2 3...

Страница 179: ...____________________________ 177 Examples of Vapor Tight Installations with Cable Gland RH Probe Installations for PTU303 307 Cable gland AGRO is available from Vaisala order code HMP247CG 1 3 2 0508...

Страница 180: ...available from Vaisala Numbers refer to Figure 82 above 1 AGRO 1160 20 145 T 40 100 C Not available from Vaisala 2 In pressurized places use a locking ring example 11x 1 DIN471 T Probe Installations P...

Страница 181: ...___________ 179 0508 022 Figure 84 Wall Mounting Installation Wall Mounting Installation is not available from Vaisala Numbers refer to Figure 84 above 1 Cable gland For example AGRO 1100 12 91 065 2...

Страница 182: ...96EN C Example Of Climate Chamber Installation 135 mm 33 mm 18 mm min max 30 mm 1 2 3 4 P max 10 bar T max 180 C 1 2 3 4 5 6 7 8 9 10 11 12 0507 016 Figure 85 Climate Chamber Installation not Availabl...

Страница 183: ...ne 5 Temperature probe 6 Relative humidity probe 7 HMP247CG Cable gland AGRO available from Vaisala NOTE Let the cables hang loosely to prevent condensed water running to the probe Example Of Installa...

Страница 184: ...nless steel tube coming through the roof 11 Two thread bars holding the plastic adapter 12 Insulated pipe ending Meteorological Installation Kit for PTU307 The Vaisala meteorological Installation Kit...

Страница 185: ...humidity and temperature From these values dewpoint mixing ratio absolute humidity and enthalpy in normal pressure are calculated using the following equations Dewpoint 1 log A Pw m T T n d 1 Pw is th...

Страница 186: ...99 621 2 Absolute humidity T P a w 68 216 3 Enthalpy x x T h 5 2 00189 0 01 1 15 273 4 The water vapor saturation pressure Pws is calculated by using two equations 5 and 6 3 o i i iT C T 5 where T tem...

Страница 187: ...per million by volume is calculated using w w v P p P ppm 6 10 8 Symbols Td dewpoint temperature C Pw water vapor pressure hPa Pws water vapor saturation pressure hPa RH relative humidity x mixing rat...

Страница 188: ...__________________________________________________________ M210796EN C where R 287 J kg K T temperature K 10 where hQNH station elevation m g 9 81 m s2 R 287 J kg K T0 288 15 K 0 0065 K m 11 where p m...

Страница 189: ......

Страница 190: ...www vaisala com...

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