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Chapter 8 ____________________________________________________________ Technical Data

VAISALA ______________________________________________________________________ 169

Dewpoint Temperature (HMT337 Warmed
Probe Option)

Find the intersection of the dewpoint temperature curve and the dewpoint
difference reading (process temperature-dewpoint temperature) on the x-
axis and read the accuracy in dewpoint measurement on the y-axis.

0508-017

Figure 81

Accuracy in Dewpoint Measurement

Operating Environment

Operating temperature range

for humidity measurement

-70 ... +180 °C (-94 ... +356 °F)
see probe specifications

for transmitter body electronics

-40 ... +60 °C (40 ... +140 °F)

with display

0 ... +60 °C (+32 ... +140 °F)

Storage temperature range

without display

-55 … +80 °C (-67 … +176 °F)

with display

-40 … +80 °C (-40 … +176 °F)

Electromagnetic compatibility

EN61326-1: Electrical equipment for
measurement, control, and laboratory use –
EMC requirements – for use in industrial
locations

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Содержание HUMICAP HMT330 SERIES

Страница 1: ...USER S GUIDE Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT330 M210566EN J...

Страница 2: ...chanical 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 P...

Страница 3: ...eement 17 Warranty 17 CHAPTER 2 PRODUCT OVERVIEW 19 Introduction to HMT330 19 Basic Features and Options 20 Structure of the Transmitter 21 Probe Options 23 Warmed Probe HMT337 25 CHAPTER 3 INSTALLATI...

Страница 4: ...LAN Interface 62 WLAN Interface 63 Attaching the WLAN Antenna 64 Data Logger Module 65 8 Pin Connector 67 CHAPTER 4 OPERATION 69 Getting Started 69 Display Keypad Optional 69 Basic Display 69 Graphic...

Страница 5: ...ormatting Serial Line Message 98 FTIME and FDATE 98 FST 99 General Settings 100 Changing Quantities and Units 100 Using Display Keypad 100 Using Serial Line 101 FORM 101 UNIT 103 Pressure Compensation...

Страница 6: ...y Outputs 129 RSEL 130 Testing Operation of Relays 132 RTEST 132 Sensor Functions 133 Chemical Purge Optional 133 Automatic Chemical Purge Interval Purge 134 Manual Chemical Purge 134 Chemical Purge i...

Страница 7: ...160 Using Serial Line 160 FCRH 160 Temperature Adjustment 161 Using Display Keypad 161 Using Serial Line 161 Analog Output Adjustment 163 Using Display Keypad 163 Using Serial Line 163 ACAL 163 Feedin...

Страница 8: ...tion Kit for Temperature Probe for HMT337 182 Pressure Tight Swagelok Installation Kits for HMT337 183 RH Probe Installation 183 Temperature Probe Installation 183 Examples of Vapor Tight Installation...

Страница 9: ...Figure 21 Connections to 24 VAC Power Supply 39 Figure 22 Measurement Error at 100 RH 40 Figure 23 Horizontal Mounting of Probe 41 Figure 24 Vertical Mounting of Probe 42 Figure 25 HMT344 Probe 44 Fig...

Страница 10: ...Indicator and Error Message 151 Figure 77 Adjustment and Purge Buttons 156 Figure 78 Adjustment Menu 156 Figure 79 Selecting Point 1 Reference Type 158 Figure 80 Accuracy over Temperature Range 166 F...

Страница 11: ...asurement Commands 93 Table 18 Communication Commands 93 Table 19 Formatting Commands 93 Table 20 Data Recording Commands 94 Table 21 Chemical Purge Commands 94 Table 22 Calibration and Adjustment Com...

Страница 12: ...User s Guide ______________________________________________________________________ 10 __________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 13: ...w introduces the features advantages and the product nomenclature of HMT330 Chapter 3 Installation provides you with information that is intended to help you install the product Chapter 4 Operation co...

Страница 14: ...oduct Overview Updated Appendix C MODBUS Reference M210566EN I Previous version Applicable from transmitter software version 5 10 onward Added MODBUS protocol Updated serial line command descriptions...

Страница 15: ...ctrostatic Discharge ESD can cause immediate or latent damage to electronic circuits Vaisala products are adequately protected against ESD for their intended use However it is possible to damage the p...

Страница 16: ...th the provisions of the following EU directives Low Voltage Directive 2006 95 EC EMC Directive 2004 108 EC ROHS Directive 2002 95 EEC Conformity is shown by compliance with the following standards EN...

Страница 17: ...s equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against har...

Страница 18: ...e required antenna impedance is 50 ohms To reduce potential radio interference to other users the antenna type and its gain should be so chosen that the equivalent isotropically radiated power e i r p...

Страница 19: ...provided by the applicable supply contract or Software License Agreement Warranty Visit our Internet pages for more information and our standard warranty terms and conditions www vaisala com services...

Страница 20: ...User s Guide ______________________________________________________________________ 18 __________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 21: ...an be selected The quantities measured and calculated by HMT330 are presented in Table 3 below The quantities available as an option are presented in Table 4 below Table 3 Quantities Measured by HMT33...

Страница 22: ...ransmitter mounting kits for multiple installation purposes Chemical purge for applications where interfering chemicals in the measuring environment pose a risk Warmed probe and sensor heating for hig...

Страница 23: ...________________________________ 21 Structure of the Transmitter 1104 001 Figure 1 Transmitter Body The following numbers refer to Figure 1 above 1 Signal powering cable gland 2 Cable gland for option...

Страница 24: ...2 above 1 Service port RS 232 2 DIP switches for analog output settings 3 Power supply and signal wiring screw terminals 4 Relay data logger RS 422 485 LAN or WLAN module optional 5 Grounding connect...

Страница 25: ...ded for demanding wall mounted applications The standard version has a fixed probe 1102 025 Figure 3 HMT331 Fixed Probe The HMT331 short cable probe is a special version for use with the WLAN module a...

Страница 26: ...s The following numbers refer to Figure 5 1 HMT333 for ducts and tight spaces 2 HMT334 for high pressure and vacuum applications up to 100 bars 3 HMT335 for high temperatures up to 180 C vapor tight F...

Страница 27: ...t probe cannot 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 HMT337 probe shall be used in app...

Страница 28: ...User s Guide ______________________________________________________________________ 26 __________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 29: ...TION 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 moun...

Страница 30: ...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 Figure 7 Mounting with Wall Mounting Ki...

Страница 31: ..._______________________________________ 29 The HMT331 short cable probe is designed to be wall mounted with the probe holder plate Vaisala order code 226252 The probe holder plate is similar to the st...

Страница 32: ...30 to the plastic mounting plate with 4 screws provided 3 Press the transmitter onto the DIN rail so that the clip fasteners snap into the rail 0503 002 Figure 10 Mounting with the DIN Rail Installati...

Страница 33: ...Mounting nuts M8 4 pcs Metal mounting plate is included in rain shield with installation kit and installation kit for pole or pipeline 0503 041 Figure 13 Mounting with Metal Wall Mounting Plate The fo...

Страница 34: ...llation Kit 0503 008 Figure 15 Mounting the Rain Shield with the Installation Kit The following numbers refer to Figure 15 above 1 Assemble the rain shield with the installation kit Vaisala order code...

Страница 35: ...the installation hole and provide a more finished look Note that the panel mounting frame is not intended to bear the weight of the transmitter and does not include any mounting supports Use the pane...

Страница 36: ...al cable with screen and three to ten wires is recommended for power and analog serial connections The cable diameter should be 8 11 mm The number of cable bushings depends on the transmitter options...

Страница 37: ...is high electric noise level for example near a powerful electric motor in the operating environment it is recommended to use shielded cable or take care that the signal cables are separated from othe...

Страница 38: ...3 up to the screen braiding or screen foil 6 Mount lower part item 5 on the housing 7 Push the seal with the contact socket of the gland and item 2 3 flush into the lower part item 5 8 Attach the dome...

Страница 39: ...g signal terminals WARNING Make sure that you connect only de energized wires 1 Unfasten the four cover screws and open the transmitter cover 2 Insert the power supply wires and signal wires through t...

Страница 40: ...7 Close the cover and fasten the cover screws The transmitter is ready for use Connections to a 24 VAC Power Supply Separate floating supply for each transmitter is recommended see the upper part of...

Страница 41: ..._____________________________________________________________ Installation VAISALA _______________________________________________________________________ 39 0703 041 Figure 21 Connections to 24 VAC P...

Страница 42: ...be and measuring environment is the same Even a small difference in temperature between the environment and the probe causes an error As the curve below shows if the temperature is 20 C and the relati...

Страница 43: ...ions for Probes with a Cable Mount the probes with a cable horizontally this way any water condensing on the tube cannot flow onto the sensor 0507 024 Figure 23 Horizontal Mounting of Probe The follow...

Страница 44: ...4 Let the cable hang loosely This prevents condensed water running to the sensor along the cable NOTE Please do not attach a heated probe HMT337 to metal structures to avoid condensation problems caus...

Страница 45: ...s Duct mounting kit Cable gland HMT334 for High Pressure and Vacuum Applications The HMT334 probe is for the dewpoint measurements in pressurized rooms and industrial processes The probe is provided w...

Страница 46: ...ealing washer 5 Probe 12 mm 5 Tighten the nut a further 30 1 12 turn or if you have a torque wrench tighten it with a torque of 80 10 Nm 60 7 ft lbs 0503 034 Figure 26 Tightening the Nut NOTE When re...

Страница 47: ...t loosening of the probe by the action of pressure NOTE When installed in a process with a pressure differing from normal atmospheric pressure please enter the pressure value of the process in hPa or...

Страница 48: ...Optional An additional temperature probe is available to measure the ambient temperature when the HMT337 with probe warming is used The additional temperature probe allows you to measure other humidi...

Страница 49: ...e following numbers refer to Figure 28 above 1 Clasp nut 24 mm hex nut 2 Fitting body 27 mm hex head The following two fitting body options are available Fitting Body ISO1 2 solid structure Fitting Bo...

Страница 50: ...ch If you have suitable torque wrench tighten the nut to max 45 5 Nm 33 4 ft lbs 0505 276 Figure 30 Tightening the Clasp Nut The following numbers refer to Figure 30 above 1 Probe 2 Clasp nut 3 Fittin...

Страница 51: ...section PRES and XPRES on page 104 or using the MODBUS protocol see Configuration Registers on page 199 Optional Modules Power Supply Module The AC mains power connection may be connected to the power...

Страница 52: ...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 wires to the...

Страница 53: ...tion la terre T m tuote on pienj nnitedirektiivin 2006 95 EEC mukainen Vaihtovirtaliit nn n saa kytke tehonsy tt moduuliin ainoastaan valtuutettu s hk asentaja l irrota tehonsy tt moduulia l hettimest...

Страница 54: ...ermend aardcontact aansluiten Este producto cumple con la directiva de bajo voltaje 2006 95 EEC La conexi n de la alimentaci n principal al m dulo de alimentaci n s lo puede realizarla un electricista...

Страница 55: ...vota moduli no raid t ja kad piesl gta str va Nepievienot str vu baro anas avota modulim ja tas nav uzst d ts HMT330 raid t j Vienm r pievienot aizsarg jo u iezem tu termin lu Ten produkt spe nia wymo...

Страница 56: ...d 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 32 Galvanic Output Is...

Страница 57: ...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 either of t...

Страница 58: ...he MODULE 1 or MODULE 2 pins of the motherboard 5 Take out the protective plug from the cable gland and thread the relay wires 6 Connect the wires to the screw terminals NO C and NC Refer to section S...

Страница 59: ...n disconnected Before opening the transmitter you must switch off both the transmitter and the voltage connected to the relay terminals WARNING Do not connect the mains power to relay unit without gro...

Страница 60: ...E The data lines on earlier versions of the RS 422 485 module are marked A and B instead of D1 and D0 When the line is idle D1 has positive voltage compared to D0 When connecting the module be prepare...

Страница 61: ...330 to a master computer enable the internal termination of HMT330 by switching switches 1 and 2 ON Make sure that the master s end of the line is also terminated by using master s internal terminatio...

Страница 62: ...120R 120R Twisted pair Stub Stub Baud 19 2K Stub 10ft 3m Baud 112K Stub 1ft 0 3m Rx D0 Rx D1 Common Tx D0 Tx D1 Switch Term off Term off 2 4 wire on RS422 off Tx D0 Tx D1 Common Rx D0 Rx D1 Switch Ter...

Страница 63: ...2 4 wire off RS422 off Stub Stub Stub RS485 1 RS485 1 RS485 bus master Twisted pair Address NN Address MM Common D0 D1 Switch Term off Term off 2 4 wire off RS422 off Common D0 D1 5 4 3 2 1 5 4 3 2 1...

Страница 64: ...al LAN interface are delivered pre installed with a suitable cable and cable gland The LAN interface can use both static and dynamic network settings If the interface is configured to use dynamic sett...

Страница 65: ...WLAN Interface is in use serial communication using the RS 232 User Port is disabled The interface supports Wired Equivalent Privacy WEP and Wi Fi Protected Access WPA WPA2 For WEP 64 and 128 bit encr...

Страница 66: ...Module The following numbers refer to Figure 40 above 1 Flat cable connector 2 Connector for antenna cable connected to transmitter cover NOTE The WLAN interface is not recommended for use with the H...

Страница 67: ...eriod 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 years 12 days The quantities that are logged...

Страница 68: ...ery After a reset or a power up it will usually take at least 10 seconds before the data logger module is initialized The instrument will not start up before the data logger module is ready The indica...

Страница 69: ...ure 42 Pinout of the Optional 8 Pin Connector Table 10 Wiring of the Optional 8 Pin Connector Serial Signal Pin Wire RS 232 EIA 232 RS 485 EIA 485 Analog Signal 1 White Data out TX D1 2 Brown Serial G...

Страница 70: ...User s Guide ______________________________________________________________________ 68 __________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 71: ...al display and turning the transmitter on the first time the language selection menu window opens Select the language with arrow buttons and press the SELECT button the left hand button The pressure h...

Страница 72: ...an EXIT button a four second press on the right hand function button takes you directly to the basic display Graphic History The graphical display shows the data trend or min max graph of the selected...

Страница 73: ...ursor mode allows you to observe individual measuring points The numerical value at the cursor position is shown at the left upper corner The right upper corner shows the time from the present to the...

Страница 74: ...corded in the adjustment mode is not displayed A question mark after time tells you that at least one power failure dashed vertical line has occurred after the chosen moment In this case the exact tim...

Страница 75: ...irm the selection by pressing the left hand button 6 Press the right hand button to exit to the basic display Rounding Setting Round off one decimal by using the Rounding function The default setting...

Страница 76: ...d press the OPEN button for 4 seconds Menu PIN Lock You can prevent unauthorized changes of the device settings by activating the menu PIN lock When this function is activated the basic display graphi...

Страница 77: ...u options Display Alarms The Display Alarm feature provides two independently configurable alarms for transmitters with the display keypad option Each alarm tracks a selected quantity with a freely co...

Страница 78: ...l be shown on the display The next active alarm is revealed when the currently shown alarm is acknowledged by pressing the OK button Activated alarms are only shown on the screen there are no alarm me...

Страница 79: ...limit values move the selection over the Act above or Act below field and press the Set button You will be prompted to Modify or Remove the value 0802 070 Figure 50 Modifying an Alarm Limit When modif...

Страница 80: ...or graphical format for further use in a spreadsheet program such as Microsoft Excel or virtually any other application Follow the steps below to connect your transmitter to the MI70 Link program usi...

Страница 81: ...t or the Service Port For permanent interfacing to host system use the User Port You can change the serial settings and operate in RUN STOP SEND POLL and MODBUS modes For temporary connections use the...

Страница 82: ...tion Example between PC Serial Port and User Port Connections to pins 4 6 7 and 8 on PC serial port are required only if you are using software requiring hardware handshaking User Port Operating Modes...

Страница 83: ...Insert the media that came with the cable or download the driver from www vaisala com 3 Execute the USB driver installation program setup exe and accept the installation defaults The installation of t...

Страница 84: ...ts 8 Stop bits 1 Flow control None For a detailed explanation of using a terminal program see section Terminal Program Settings on page 90 4 Power up the HMT330 LAN Communication To enable LAN communi...

Страница 85: ...tatic network settings are used instead Web configuration If enabled the settings of the interface can be changed using a web browser The configuration page can be accessed by browsing to the IP addre...

Страница 86: ...work Interface Menu The Network Interface menu also allows you to configure the Communication Protocol enable or disable the Web configuration option or Disconnect all users that are currently accessi...

Страница 87: ...N 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 addr...

Страница 88: ...orking products The WLAN interface supports both WPA and WPA2 also known as 802 11i security when either WPA PSK mode is selected If your WLAN network is using some other security method than listed b...

Страница 89: ...nsmitter refreshes the network information 4 Press the arrow button to select Wireless LAN settings 0802 111 Figure 55 Wireless LAN Settings 5 The Name entry on the page shows the SSID of the currentl...

Страница 90: ...m the new settings Note that when new settings are saved all currently active WLAN connections are disconnected Using Serial Line Use the serial line command WLAN to view or set the wireless network s...

Страница 91: ...erface Communication Protocol 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...

Страница 92: ...he transmitter is configured to use the MODBUS protocol However you can always use PuTTY to access the transmitter through the Service Port Opening a Serial USB connection 1 Power up the HMT330 and st...

Страница 93: ...this happens restart PuTTY and check the settings Opening a Telnet session LAN WLAN NOTE The instructions below assume that the LAN WLAN interface on the transmitter is correctly configured and the ne...

Страница 94: ...__________ M210566EN J 0810 071 Figure 60 Opening a Telnet Connection 4 Click the Open button to open the connection window and start using the Telnet session If PuTTY is unable to connect the IP addr...

Страница 95: ...he continuous output interval for RUN mode SMODE STOP SEND RUN POLL MODBUS Set the serial interface mode SDELAY View or set user port RS232 or RS485 answer minimum delay SERI baud p d s User Port sett...

Страница 96: ...ot been overwritten Table 21 Chemical Purge Commands Command Description PUR Set the automatic chemical purge PURGE Start the manual chemical purge Table 22 Calibration and Adjustment Commands Command...

Страница 97: ...hPa Set the value for pressure compensations VERS Display the software version information XHEAT Sensor heating XPRES hPa Set the value for pressure compensations temporarily Getting Measurement Messa...

Страница 98: ...at depends on which parameters the transmitter can output SEND cr Examples send RH 98 4 RH T 31 1 C send RH 98 4 RH T 31 1 C Td 36 0 C Tdf 36 0 C a 42 4 g m3 x 38 8 g kg Tw 30 8 C ppm 62414 pw 59 53 h...

Страница 99: ...When all transmitters on the RS 485 bus are in POLL mode the OPEN command sets one transmitter temporarily to STOP mode so that other commands can be entered OPEN aa where aa Address of the transmitte...

Страница 100: ...on you can use the FORM command with modifiers TIME DATE and STAT See section FORM on page 101 FTIME and FDATE FTIME and FDATE commands will enable disable output of time and date to the serial line T...

Страница 101: ...w 15 6 C ppm 11980 pw 12 00 hPa pws 29 91 hPa h 43 2 kJ kg purge Purge started press any key to abort send S 134 RH 40 2 RH T 24 1 C Td 9 8 C Tdf 9 8 C a 8 8 g m3 x 7 5 g kg Tw 15 7 C ppm 12084 pw 12...

Страница 102: ...the Main Menu 2 Press the arrow button to select Display 3 Press arrow button to select Quantities 4 Select the quantity by using the arrow buttons Confirm the selection by pressing SELECT You can sel...

Страница 103: ...x cr where x Formatter string The formatter string consists of quantities and modifiers If no formatter string is entered the command will display the currently active formatter string Note that the h...

Страница 104: ...ting h 115 probe heating active power 115 255 H 159 0 purge heating active temperature 159 C S 115 0 purge cooling active temperature 115 C X 95 0 sensor heating active temperature 95 C SN Transmitter...

Страница 105: ...x cr where x Unit system to be used Options are M metric units N non metric units UNIT H2O y cr where y Unit to be used for H20 Options are PPMV parts per million by volume PPMW parts per million by w...

Страница 106: ...to set the pressure compensation To select the pressure unit using display keypad see section Changing Quantities and Units on page 100 1 Press any of the arrow buttons to open the Main Menu 2 Select...

Страница 107: ...1013 25 hPa Date and Time Using Display Keypad If the optional Data Logger Module is installed you can change the time and date using the display keypad 1 Press any of the arrow buttons to open the Ma...

Страница 108: ...re cleared to 2000 01 01 00 00 00 at reset or at power failure Data Filtering The averaging data filter calculates an average over a certain period of time The lowest measurement noise is achieved wit...

Страница 109: ...f any in progress Present or past unacknowledged errors if any Device information Current date and time only shown if data logger module installed Adjustment information fed by the user Measuring sett...

Страница 110: ...inki FIN Date 2011 02 09 Time 09 29 35 Serial mode STOP Baud P D S 19200 N 8 1 Output interval 10 s Address 0 Echo ON Pressure 1013 25 hPa Filter OFF Module 1 LOGGER 1 1024 MB HW B SW 3 Module 2 not i...

Страница 111: ...DSEL DSEND ECHO ERRS FCRH FILT FORM HELP INTV ITEST LIGHT LOCK MODBUS MODS PLAY PRES R RESET SCOM SDELAY SEND SERI SMODE SYSTEM TEST TIME UNDELETE UNIT VERS XPRES ERRS Use the ERRS command to display...

Страница 112: ...to the basic view LOCK x yyyy cr where x Keypad locking level range 0 2 The options are 0 No lock enables full access 1 Menu locked but graphs are accessible 2 Keypad completely disabled yyyy 4 digit...

Страница 113: ...uts the measurement message at the set interval If you select the RUN mode set the desired RUN interval also POLL mode enables multiple transmitters to share the same RS 485 line If you select the POL...

Страница 114: ...the service port SERI Use the SERI command to set the communication settings for the user port Changed settings will be activated at next reset or power up SERI b p d s cr where b Bit rate 110 150 300...

Страница 115: ...omatic output Only command S POLL Only with the SEND addr command SEND addr and OPEN addr Other commands available after opening a line to the transmitter using the OPEN command Use with RS 485 buses...

Страница 116: ...mple setting the output interval to 10 minutes intv 10 min Output interval 10 min Setting RUN output interval to zero enables the fastest possible output rate SDELAY With the SDELAY command you can se...

Страница 117: ...ed the transmitter uses it automatically Recorded data does not disappear from the memory when the power is switched off Collected data can be observed in a form of a graph in the graphical view of th...

Страница 118: ...H T and Tdf The last column illustrates the number of data points that has been stored in the file Example data logger module installed dir File description Oldest data available No of points 1 RH 10...

Страница 119: ...Tdf 2 h intervals 2008 03 31 18 03 41 135 17 Tdf 12 h intervals 2008 02 04 12 03 41 135 18 Tdf 3 d intervals 2007 03 04 00 03 41 135 PLAY Use the PLAY command to output the selected file to the seria...

Страница 120: ...a logger 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 Reco...

Страница 121: ...yet 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 pa...

Страница 122: ...Voltage Switches of Output Modules The following numbers refer to Figure 62 above 1 Current voltage selection output switches from 1 to 2 2 Current voltage range selection switches from 3 to 7 in ana...

Страница 123: ...nging the output mode range See section Analog Output Fault Indication Setting on page 124 Analog Output Quantities Use the display keypad to change and scale the analog output quantities 1 Press any...

Страница 124: ...and AMODE cr Example amode Ch1 output 0 1V Ch2 output 0 1V Select and scale the quantities for the analog outputs with the command ASEL Note that the optional quantities can be selected only if they h...

Страница 125: ...le Press TEST to confirm your selection All outputs are tested simultaneously The actual output value depends on the selected range 6 Press OK to stop testing Press EXIT to return to the basic display...

Страница 126: ...arrow button 3 Select Analog Outputs by pressing the arrow button 4 Select Output 1 2 3 by pressing the arrow button 5 Select Fault indication Press SET to confirm your selection Enter the fault indic...

Страница 127: ...Any of the quantities available can be chosen Measurement Based Relay Output Modes Relay Setpoints When the measured value is in between the above and below values the relay is passive When choosing l...

Страница 128: ...ure 63 Measurement Based Relay Output Modes Mode 4 is usually used if an alarm needs to be triggered when the measured value exceeds a safe range The relay is active when measurement is in range and i...

Страница 129: ...ty decreases relay releases at 55 RH NOTE If both setpoints are specified and above setpoint is lower than below setpoint the hysteresis works in the opposite direction that is relay is released when...

Страница 130: ..._______________ M210566EN J 1102 040 Figure 64 FAULT ONLINE STATUS Relay Output Modes FAULT ONLINE STATUS relays are usually used in conjunction with an analog output to obtain validity information fo...

Страница 131: ...surement OK Fault status Error active Measurement live Online status Purge or sensor heating active Hysteresis has an effect when relay switching is based on live measurement See section Hysteresis on...

Страница 132: ...m by pressing Change Select the Quantity by using the arrow buttons Confirm your selection by pressing Select 6 Select Act above Act below Press SET to confirm your selection If asked select MODIFY if...

Страница 133: ...mal limit switch Selecting relay 1 to follow relative humidity relay 2 to follow temperature relay 3 to follow dewpoint and relay 4 to follow dewpoint One setpoint is chosen for all the outputs rsel r...

Страница 134: ...peration of relays 1 Open the Main Menu by pressing any of the arrow buttons 2 Select System press the arrow button 3 Select Diagnostics press the arrow button 4 Select Relay tests press the arrow but...

Страница 135: ...ess are illustrated below see Figure 66 below The sensor polymer absorbs the interfering chemical and this reduces the ability of the polymer to absorb water molecules and consequently the sensor gain...

Страница 136: ...es place repeatedly with the time intervals set in the factory User can change the interval in which the purge takes place by using serial commands or with the optional display keypad This can be need...

Страница 137: ...ns on Motherboard Using Display Keypad Optional 1 Open the Main Menu by pressing any of the arrow buttons 2 Select Measuring press button 3 Select Chemical purge press button 1102 016 Figure 68 Chemic...

Страница 138: ...atic and power up chemical purge and set the interval for automatic purge If the sensor is exposed to chemicals it is recommended to have the chemical purge done at least once in 720 min 12 hours In a...

Страница 139: ...ter power up before taking measurements The output channels are locked for the first operation minutes to the initial measured values Sensor Heating This function is optionally available only in trans...

Страница 140: ...mit and define the heating temperature and duration of this function XHEAT Enables disables the sensor heating XHEAT xx cr where xx ON OFF Example xheat on Extra heat ON xheat off Extra heat OFF To co...

Страница 141: ...he connections they use are listed in Table 31 below Table 31 Supported MODBUS Variants Supported MODBUS Variant Connections MODBUS RTU Serial MODBUS RS 232 standard User Port RS 422 428 Interface opt...

Страница 142: ...age 143 After configuring the transmitter perform the transmitter installation and wiring according to the instructions in Chapter 3 Installation on page 27 The configuration instructions assume you a...

Страница 143: ...s screen Enable the MODBUS protocol Change the baud rate and parity if necessary Set the MODBUS device address 1101 033 Figure 70 Serial Interface Settings 4 After changing the settings press the EXIT...

Страница 144: ...he User Port For example to set the User Port serial settings to 19200 N 8 1 issue the following command seri 19200 N 8 1 NOTE The number of data bits must always be 8 for MODBUS RTU Serial MODBUS int...

Страница 145: ...is used Using Display Keypad Optional 1 Open the Main Menu by pressing any of the arrow buttons 2 Navigate to Interfaces Network Settings IP Configuration 3 On the IP Configuration screen set the netw...

Страница 146: ...Using Serial Line 1 Open the transmitter cover 2 Connect power supply wiring if not using the power supply module and power up the transmitter 3 Connect the USB service cable between a computer and t...

Страница 147: ...42 102 Subnet mask 0 0 0 0 255 255 0 0 Default gateway 0 0 0 0 Web config ON OFF Save changes Y N y OK b If you are using the WLAN Interface use the WLAN command to configure the network name SSID and...

Страница 148: ...ar the counters Enter the Main Menu and navigate to System Diagnostics MODBUS Counters 1101 037 Figure 74 MODBUS Counters Viewing Counters Using Service Port Use the MODBUS command to view the counter...

Страница 149: ...sabling MODBUS If you stop using MODBUS with the transmitter set the transmitter to some other operating mode using the display keypad option or the SMODE command For example to return the transmitter...

Страница 150: ...User s Guide ______________________________________________________________________ 148 _________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 151: ...ft 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 sensor with t...

Страница 152: ...nd not sensor replacement Refer to chapter Calibration and Adjustment on page 155 NOTE When replacing the sensor the new sensor must be of the same type as the old sensor for example HUMICAP180R The s...

Страница 153: ...Indication Setting on page 124 Serial port outputs stars instead of measurement data Display shows instead of measurement data Cover LED is blinking Error indicator is shown on the display 1103 068 Fi...

Страница 154: ...r E11 Internal EEPROM write error Internal transmitter failure Remove the transmitter and return the faulty unit to Vaisala Service E12 E13 Add on module 1 or 2 connection failure Turn off the power a...

Страница 155: ...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...

Страница 156: ...User s Guide ______________________________________________________________________ 154 _________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 157: ...of Vaisala Service Centers see www vaisala com services servicecenters html Calibration and adjustment is carried out either by using the push keys on the motherboard through the serial port or with...

Страница 158: ...J button on the motherboard inside the transmitter is pressed 0706 007 Figure 78 Adjustment Menu Table 33 Indicator Led Functions Indicator Led Function Description LED off adjustment locked LED on ad...

Страница 159: ...abilize the indicator LED is lit continuously Adjustment cannot be done if the conditions are not stabilized indicator LED is flashing 5 When the indicator LED is lit continuously press the button LiC...

Страница 160: ...ent hole of the dry end reference chamber for example LiCl 11 RH in the humidity calibrator HMK15 Use the adapter fitting for the probes of HMT334 HMT335 HMT337 and HMT338 7 Wait at least 30 minutes f...

Страница 161: ...CRH 6 Wait at least 30 minutes for the sensor to stabilize 7 Type C and press ENTER a few times to check if the reading is stabilized 8 When the reading is stabilized give the reference humidity afte...

Страница 162: ...ess the ADJ button on the motherboard to close the adjustment mode 14 Take the probe out of the reference conditions and replace the filter Relative Humidity Adjustment after Sensor Change Using Displ...

Страница 163: ...display 6 Press READY when stabilized Give the reference temperature using the arrow buttons When carrying out the 2 point adjustmentproceed to the next adjustment point and carry out the procedure as...

Страница 164: ...When the reading is stabilized give the second reference temperature after the question mark and press ENTER Please note that the difference between the two temperature references must be at least 30...

Страница 165: ...button to open the ADJUSTMENT MENU 2 Select Adjust analog outputs press button 3 Select the output to be adjusted Adjust analog output 1 2 press START 4 Measure the first analog output value with a mu...

Страница 166: ...opens the ADJUSTMENT MENU 2 Select Adjustment info press the button 3 Select Date press SET Give the date by using the arrow buttons Press OK 4 Select i press SET Enter information text including 17 c...

Страница 167: ...with chemical purge and or warmed probe HUMICAP 180RC 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 0 008 reading RH at 40 180 C 1 5...

Страница 168: ...ight 70 180 C 94 356 F HMT338 70 180 C 94 356 F 0 4 MPa 0 40 bar Accuracy at 20 C 68 F 0 2 C Accuracy over temperature range see graph below C C 0 7 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 1 0 2 0 3 0 4 0 5 0 6...

Страница 169: ...76 0 63 0 55 0 50 0 46 0 43 20 2 18 1 19 0 88 0 72 0 62 0 56 0 51 0 48 0 2 51 1 37 1 00 0 81 0 70 0 63 0 57 0 53 0 50 0 48 20 2 87 1 56 1 13 0 92 0 79 0 70 0 64 0 59 0 55 0 53 40 3 24 1 76 1 27 1 03...

Страница 170: ...85 0 80 0 75 120 3 85 2 40 1 81 1 48 1 28 1 13 1 03 0 95 0 88 0 83 140 4 57 2 73 2 03 1 65 1 41 1 25 1 13 1 04 0 97 0 91 160 5 25 3 06 2 25 1 82 1 55 1 37 1 24 1 13 1 05 0 99 Accuracy of Absolute Hum...

Страница 171: ...x axis and read the accuracy in dewpoint measurement on the y axis 0508 017 Figure 81 Accuracy in Dewpoint Measurement Operating Environment Operating temperature range for humidity measurement 70 180...

Страница 172: ...outputs RL 500 ohm 0 1V output RL 2 kohm 0 5V and 0 10V outputs RL 10 kohm Max wire size 0 5 mm2 AWG 20 stranded wires recommended Digital outputs RS 232 RS 422 485 optional LAN optional WLAN optional...

Страница 173: ...f 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 cable Operating temperature 40 60...

Страница 174: ...d max 115 2 kbaud Bus isolation 300VDC Power consumption at 24V max 50 mA External loads standard loads 32 RL 10kohm Storage temperature range 55 80 C 67 176 F Max wire size 1 5 mm2 AWG16 LAN Interfac...

Страница 175: ...Isolated RS485 Module RS485 1 Power Supply Module POWER 1 Galvanic Isolation Module DCDC 1 SENSORS HUMICAP180 HUMICAP180 HUMICAP180R HUMICAP180R PT100 Sensor 10429SP FILTERS PPS Plastic Grid with Stai...

Страница 176: ...to NPT1 2 210662SP Manual Press HM36854SP Plug Kit ISO 1 2 218773 CONNECTION CABLES Serial Interface Cable 19446ZZ USB RJ45 Serial Interface Cable 219685 MI70 Connection Cable with RJ45 Connector 211...

Страница 177: ..._____________________________________________________ Technical Data VAISALA ______________________________________________________________________ 175 Dimensions mm inch 0506 035 Figure 82 Transmitte...

Страница 178: ...s Guide ______________________________________________________________________ 176 _________________________________________________________________ M210566EN J 0804 035 Figure 83 WLAN Antenna Dimens...

Страница 179: ...______________________ Technical Data VAISALA ______________________________________________________________________ 177 HMT331 12 0 47 120 4 72 0508 030 Figure 84 HMT331 Fixed Probe Dimensions 0911 0...

Страница 180: ...__________________________________________________ 178 _________________________________________________________________ M210566EN J HMT333 0804 060 Figure 86 HMT333 Probe Dimensions HMT334 0804 059 F...

Страница 181: ..._______ Technical Data VAISALA ______________________________________________________________________ 179 HMT335 0508 020 Figure 88 HMT335 Probe Dimensions The flange is available as an option for the...

Страница 182: ...______________________________________ 180 _________________________________________________________________ M210566EN J HMT338 0508 078 Figure 90 HMT338 Probe Dimensions Temperature Probe 0804 062 Fi...

Страница 183: ...wall Vaisala order codes 210697 for HMT333 and HMT337 210696 for HMT335 no supporting bar and 215003 for temperature probe 0508 021 Figure 92 Duct Mounting Installation Kit The following numbers refer...

Страница 184: ...for the T probe includes flange supporting bar probe attaching part sealing ring and the fixing screws 4 pcs Vaisala order code 215003 0507 018 Figure 93 Duct Mounting Installation Kit for T Probe Th...

Страница 185: ...2NPT12 0508 032 Figure 94 Swagelok Installation Kit for RH probe The following numbers refer to Figure 94 1 Relative humidity probe 2 Duct connector 3 ISO3 8 or NPT1 2 thread 4 Swagelok connector 5 Fe...

Страница 186: ...able from Vaisala order code HMP247CG 1 3 2 0508 026 Figure 96 Cable Installation with Cable Gland The following numbers refer to Figure 96 1 Nut to be tightened to the body 2 Seal 3 Body and O ring 0...

Страница 187: ...ollowing numbers refer to Figure 98 1 Cable gland For example AGRO 1100 12 91 065 T 25 200 C 2 In pressurized processes use a locking ring example 6x 0 7 DIN471 0508 022 Figure 99 Wall Mounting Instal...

Страница 188: ...gure 100 Climate Chamber Installation not Available from Vaisala The following numbers refer to Figure 100 1 PTFE sleeve 2 Cable gland for example AGRO 1100 12 91 065 3 Stainless steel cable tie or si...

Страница 189: ...f The following numbers refer to Figure 101 1 Insulated probe cables 2 Sealings 3 Roof 4 Cable gland for temperature probe for example AGRO 1100 12 91 065 5 Temperature probe 6 Relative humidity probe...

Страница 190: ...lve assembly with a ball hole of 14 mm or more If you install the probe 12 mm in a process pipe please note that the nominal size of the pipe must be at least 1 inch 2 54 cm Use the manual press handl...

Страница 191: ...e is no need to shut down the process 2 Close the ball valve 3 Seal the threads on the fitting body refer to Figure 29 on page 47 4 Attach the fitting body to the ball valve and tighten it 5 Slide the...

Страница 192: ...Meteorological Installation Kit for HMT337 The Vaisala meteorological Installation Kit HMT330MIK Vaisala order code HMT330MIK enables the HMT337 to be installed outdoors to obtain reliable measurement...

Страница 193: ...m 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 the water vapor pressure The p...

Страница 194: ...por saturation pressure Pws is calculated by using two equations 5 and 6 3 o i i iT C T 5 where T temperature in K Ci coefficients C0 0 4931358 C1 0 46094296 10 2 C2 0 13746454 10 4 C3 0 12743214 10 7...

Страница 195: ..._______________________________ 193 Parts 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 pres...

Страница 196: ...User s Guide ______________________________________________________________________ 194 _________________________________________________________________ M210566EN J This page intentionally left blank...

Страница 197: ...0x04 Read Input Registers Class 1 05 0x05 Write Single Coil Class 1 06 0x06 Write Single Register Class 1 07 0x07 Read Exception Status Class 1 08 0x08 Diagnostics 15 0x0F Write Multiple Coils Class...

Страница 198: ...PDU The register map is the same for all MODBUS function codes For example function codes 03 and 04 return exactly same result as do 01 and 02 Function codes 01 and 02 return 0 if the corresponding r...

Страница 199: ...65535 1 65534 2 etc NOTE Measurement parameters with normally positive values for example 0 100 RH may occasionally return small negative values because of measurement inaccuracy These negative values...

Страница 200: ...floating point registers to write values outside this 16 bit signed integer range Maximum writable value is 32767 also for configuration registers that do not accept negative values Measurement Data R...

Страница 201: ...n Status function code 07 For details see section Exception Status Outputs on page 200 Configuration Registers Configuration parameter registers are used to configure the measurement Writing out of ra...

Страница 202: ...in progress write 1 for manual start Sensor heating on off 1287 1 Sensor heating on optional feature Flags 1281 and 1282 are mutually exclusive Some of the configuration registers might not have an ef...

Страница 203: ...s a logical OR of these two status registers 04 0x04 Force Listen Only Mode Puts device off line 10 0x0A Clear Counters and Diagnostic Register Diagnostic Register cannot be cleared 11 0x0B Return Bus...

Страница 204: ...rial number e g D0710040 0x81 CalibrationDate Date of the last calibration e g 2011 02 07 empty if not available 0x82 CalibrationText Information text of the last calibration empty if not available Ex...

Страница 205: ......

Страница 206: ...www vaisala com M210566EN...

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