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HMT330 User's Guide

1. Outdoor environment e g 10 9 JU GUM UU hol sii 7 Process 4 For example 5 6 85 C 85 RH VAISALA 0507 015 Figure 91 Example of Installation through Roof The following numbers refer to Figure 91 GO AJ Ohh Gn E Go r 10 11 12 Insulated probe cables Sealings Roof Cable gland for temperature probe for example AGRO 1100 12 91 065 Temperature probe Relative humidity probe Cable gland for relative humidity probe for example AGRO 1160 20 145 Plastic adapter to protect probes from condensation water coming from the pipe Diameter slightly smaller than tube diameter Plastic tube for probe 2 pcs Stainless steel tube coming through the roof Two thread bars holding the plastic adapter Insulated pipe ending 171 User s Guide Ball Valve Installation Kit for HMT338 The ball valve installation kit Vaisala order code BALLVALVE 1 is preferred when connecting the probe to a pressurized process or pipeline Use the ball valve set or a 1 2 ball valve assembly with a ball hole of 614 mm or more If you install the probe 412 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 handle to press the probe into the pressurized lt 10 bar process or pipeli
2. For a detailed explanation of using a terminal program see section Terminal Program Settings on page 78 4 Power up the HMT330 LAN Communication 76 To enable LAN communication a LAN or WLAN interface must be physically connected to the network and the networking settings must be suitable for your network For a description of interfaces see sections LAN Interface on page 56 and WLAN Interface on page 57 The LAN and WLAN interfaces both operate by accessing the serial interface User Port of the transmitter All commands that are available using the serial interface are available through the LAN and WLAN interfaces refer to section List of Serial Commands on page 87 For instructions on how to connect using a terminal program see section Terminal Program Settings on page 78 IP Configuration The IP settings of the LAN and WLAN interfaces are described in Table 14 The current settings can be viewed on the serial line or using the device information display see section Device Information on page 101 M210566EN F Chapter 4 VAISALA Operation Table 14 IP Settings for the LAN and WLAN Interfaces Parameter Automatic configuration DHCP Description If enabled the transmitter will retrieve its network settings including the IP Address from a server in the network If disabled static network settings are used instead Web configuration If enabled the settings of the interface can be
3. Description Duct Installation Kit for Temperature Probe Hem code 215003 Technical Data HMT338 Ball Valve ISO1 2 with Welding Joint BALLVALVE 1 Fitting Body 1SO1 2 Solid Structure DRW212076SP Fitting Body NPT1 2 Solid Structure NPTFITBODASP Thread Adapter ISO1 2 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 211339 Connector HMI41 Connection Cable with RJ45 25917ZZ Connector OUTPUT CABLES FOR 8 PIN CONNEC TOR Connection Cable 5m 8 pin M12 212142 Female Black Female Connector 8 pin M12 with 212416 Screw Terminals Male Connector 8 pin M12 with Cable 214806SP and Adapter CABLE BUSHINGS Cable Gland M20x1 5 for 8 11mm 214728SP Cable Cable Gland M20x1 5 for 11 14mm 214729 Cable Cable Gland M16x1 5 for Wall Mounting 216681SP Plate Pass Through Conduit Fitting M20x1 5 for NPT1 2 214780SP Conduit Dummy Plug M20x1 5 214672SP WINDOWS SOFTWARE Software Interface Kit 215005 OTHER HMK15 Calibration Adapter for 211302SP 12 mm Probes with gt 7 mm Sensor Pins HMK15 Calibration Adapter for 218377SP 12 mm Probes with lt 3 mm Sensor Pins 159 User s Guide Dimensions mm inch 183 7 20 169 6 65 116 4 57 0506 035 Figure 73 Transm
4. M210566EN F Chapter 3 Installation No common loop RECOMMENDED transmitter supply voltage supply voltage transmitter Common loop formed NOT recommended transmitter ze E yu supply voltage S EIS WE EI pe gt gt commor line ie D supply voltage 0 a SC e transmitter 0703 041 Figure 18 Connections to 24 VAC Power Supply VAISALA 35 User s Guide Probe Mounting 36 In humidity measurement and especially in calibration it is essential that temperature of the probe 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 relative humidity 100 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 temperature is 1 C gt N U kb DN A A BS CS 40 20 0 20 40 60 80 100 Temperature C 0507 023 Figure 19 Measurement Error at 100 RH M21 0566EN F Chapter 3 VAISALA Installation General Instructions 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 20
5. Chapter 1 General Information Recycling Ls Recycle all applicable material Dispose of batteries and the unit according to statutory regulations Do not dispose of with regular household refuse Trademarks HUMICAP is a registered trademark of Vaisala Microsoft 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 software are held by Vaisala or third parties The customer is allowed to use the software only to the extent that is provided by the applicable supply contract or Software License Agreement VAISALA 15 User s Guide Warranty Vaisala hereby represents and warrants all Products manufactured by Vaisala and sold hereunder to be free from defects in workmanship or material during a period of twelve 12 months from the date of delivery save for products for which a special warranty is given If any Product proves however to be defective in workmanship or material within the period herein provided Vaisala undertakes to the exclusion of any other remedy to repair or at its own option replace the defective Product or part thereof free of charge and otherwise on the same conditions as for the original Product or part without extension to original warranty time Defective parts replaced in accordance with this clause shall
6. 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 However it is possible to damage the product 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 Handle ESD sensitive components on a properly grounded and protected ESD workbench When this is not possible ground yourself to the equipment chassis before touching the boards Ground yourself with a wrist strap and a resistive connection cord When neither of the above is possible touch a conductive part of the equipment chassis with your other hand before touching the boards Always hold the boards by the edges and avoid touching the component contacts VAISALA 13 User s Guide Regulatory Compliances 14 Transmitters with LAN or WLAN Interface This 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 harmful interference in a residential installation Operation is subject to the following two conditions 1 this device may not cause interference and 2 this device must accept any interference including interference that may cause undesired operation of the d
7. NOTE User port cannot be used when the RS 485 module is connected 74 Service Port Connection Connection Cables To connect to the service port you need a suitable cable with an RJ45 connector Depending on the connections of your PC you can either use the Serial Connection Cable optional accessory 19446ZZ or the USB RJ45 Serial Connection Cable optional accessory 219685 The USB cable enables you to connect the transmitter to a PC via a standard type A USB port Note that the USB cable does not enable high speed data transfer since the bit rate is limited by the serial interface of the service port M210566EN F Chapter 4 VAISALA Operation Installing the Driver for the USB Cable Before taking the USB 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 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 1f you have already connected it 2 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 the driver may take several minutes 4 After the driver has been installed connect the USB cable to a USB port on your PC Windows will detect
8. 139 Relative Humidity Adjustment ooomoncccccnnoncnnnonannnnnnnnnnnnnnnnne 141 Using PUSH BUItONS reiii an R e NEEE 141 Using Display Keypad A 142 Using Serial O 143 CR etna tii Atalanta Mental ete a ee 143 Relative Humidity Adjustment after Sensor Change 144 Using Display Keypad AA 144 Using RENERT 144 FOR rines tania dls tia 145 Temperature ACjUStMENM cs seeccesseteeeeeseeeeeenseeeeeeeeeeeeenees 145 Using Display Keypad A 145 Using Serial TE 146 Analog Output AdjUStMeNt ccoocncccnnncnnnccncnnnnonannnnnnarrnnnane nes 147 Using Display Keypad coooocinoccnccccicconaconcncnancccnancnannn cnn 147 Using Serial LIS trials dotarse 147 A ebicare vavatte ce TESTEN 147 Feeding Adjustment Information cccccsesssseeeseeeee 148 Using Display Keypad AA 148 Using Serial Line seeeeeesseeese eese eesr nesr ner nenn nesn nennen nnenn 148 GTEX ia Ss 148 EECHER ee ee ii Ai Ad 148 CHAPTER 7 TECHNICAL DATA ee eege 149 Specifications sais scion ten T 149 Pernon tara adi 149 Relative Humidity ooooocccconnoccccnonoccccnanoncncnanannncnnnnnncncnnnos 149 Temperature Operating Pressure Ranges 150 Optional Temperature Probe sssessseesseeeseessereeeeseeeeee 151 Calculated Variables cccccseceesseeeeneeeesteeeeseeeeenees 151 Accuracies of Calculated Variables seeeeeeeee 151 Accuracy of Dewpoint Temperature C A 151 Accuracy of Mixing Ratio g kg Ambient Pressure 1013 Miarr
9. C Relative humidity Temp 10 20 30 40 50 60 70 80 90 100 40 0 20 0 20 0 20 0 20 0 20 0 20 0 20 0 20 20 0 21 0 21 0 22 0 22 0 22 0 22 0 23 023 0 0 27 0 28 0 28 0 29 0 29 029 0 30 0 30 031 0 31 20 0 45 045 045 044 044 044 043 043 042 0 42 40 0 84 0 77 0 72 0 67 0 64 0 61 O58 056 0 54 0 52 60 145 120 1 03 091 083 0 76 0 71 0 67 0 63 0 60 80 2 23 164 1 32 1 13 099 089 0 82 0 76 0 72 0 68 100 3 06 204 1 58 1 31 1 14 1 01 0 92 085 0 80 0 75 120 3 85 240 1 81 1 48 1 28 113 103 095 0 88 0 83 140 4 57 2 73 2 03 165 141 125 1 13 1 04 0 97 0 91 160 5 25 306 2 25 1 82 155 1 37 1 24 113 1 05 0 99 Accuracy of Absolute Humidity g m Relative humidity Temp 10 20 30 40 50 60 70 80 90 100 40 0 004 0 004 0 005 0 005 0 005 0 006 0 006 0 006 20 0 023 0 025 0 027 0 029 0 031 0 032 0 034 0 036 0 0 10 011 0 12 0 13 013 O14 015 015 016 0 17 20 0 37 0 39 041 043 045 047 0 49 0 51 053 0 55 40 1 08 1 13 118 124 1 29 1 34 139 144 149 1 54 60 2 73 284 295 3 07 318 329 340 352 3 63 3 74 80 6 08 6 30 651 673 695 7 17 7 39 7 61 7 83 8 05 100 122 126 130 134 138 142 146 150 153 15 7 120 226 233 23 9 246 252 258 265 27 1 278 284 140 39 1 400 41 0 420 430 440 450 459 469 47 9 160 635 649 664 67 8 69 2 70 7 72 1 735 749 76 4 152 M210566EN F Chapter 7 VAISALA Technical Data Dewpoint Temperature HMT337 Warmed Probe Option Find the intersection of the dewpoint temperature curve and the dewpoint differenc
10. Enthalpy h H kJ kg Btu lb Difference of T and Ty AT DT C F Basic Features and Options Several probes for various applications User friendly display Calculated output quantities available Different probe mounting kits sensor protection options and probe cable lengths Transmitter 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 high humidity conditions HMT337 Additional temperature sensor HMT337 USB connectivity for service connections via the optional USB RJ45 cable Optional modules isolated power supply power supply module RS 422 485 module LAN and WLAN interfaces data logger module with real time clock additional analog output module relay module 18 M210566EN F Chapter 2 Product Overview Structure of the Transmitter VAISALA im 0604 005 Figure 1 Transmitter Body The numbers refer to Figure 1 1 2 NN BW Signal powering cable gland Cable gland for optional module or WLAN antenna connector Cable gland for optional module Cover screw 4 pcs Display with keypad optional Cover LED 19 User s Guide 0508 010 Figure 2 Inside the Transmitter The following numbers refer to Figure 2 Service port RS 232 DIP switches for analog output settings Power su
11. FORM will return the default output format The default output format depends on the device configuration gt form gt send RH 98 4 RH T 31 1 C gt M210566EN F Chapter 4 Operation UNIT Use the UNIT command to select metric or non metric output units UNIT x where x MorN where M Metric units N _ Non metric units NOTE This command changes both the serial output and display units to either metric or non metric units When you want to output both metric and non metric units simultaneously on the display select the display units later by using the display keypad Pressure Compensation Setting The pressure has an effect on humidity calculations and accuracy Therefore accurate calculations can be achieved only when the process pressure is taken into consideration Note that conversions from mmHg and inHg are defined at 0 C and for mmH 0 and inH 0O at 4 C NOTE Pressure compensation is intended to be used in normal air only When measuring in other gases please contact Vaisala for further information VAISALA Using Display Keypad Use display keypad to set the pressure compensation To select the pressure unit using display keypad see section Changing Quantities and Units on page 92 95 User s Guide 96 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Measuring and press the arrow button to confirm your selection 3 Select Pressure co
12. gt appears when the heating period is over However the transmitter outputs are locked to the values measured before performing chemical purge until the settling time is over With PUR command you can enable or disable automatic 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 applications where the chemical exposure is not likely the interval can be longer It is not recommended to change duration settling temperature or temperature difference 129 User s Guide PUR Type PUR and press ENTER to proceed The maximum interval is 14400 minutes 10 days Example gt pur Interval Purge OFF Interval 720 min Power up Purge OFF Duration 120 s Settling 240 s Temperature 16 0 UC P Temp diff len t gt NOTE To activate the new interval settings immediately reset the transmitter NOTE When chemical purge in power up is enabled wait about 6 min after power up before taking measurements The output channels are locked for the first operation minutes to the initial measured values 130 M210566EN F Chapter 4 Operation Sensor Heating This function is optionally available only in transmitters with HUMICAP 180C or HUMICAP 180RC sensor It should be used only with the warmed probe The sensor heating is rec
13. 25 200 C 2 In pressurized processes use a locking ring example 6x 0 7 DIN471 4 ES H 2 l E Figure 89 Wall Mounting Installation Wall Mounting Installation is not available from Vaisala The following numbers refer to Figure 89 ABWN rR Il VAISALA Cable gland For example AGRO 1100 12 91 065 Compacted PTFE sleeve Silicon glue between the PTFE sleeve and the cable Temperature probe Recommended support to keep the probe in horizontal position 169 User s Guide Example of Climate Chamber Installation O OS VAN O N lt gt gt ININ Z Y NS IN 0507 016 Figure 90 Climate Chamber Installation not Available from Vaisala The following numbers refer to Figure 90 1 PTFE sleeve 2 Cable gland for example AGRO 1100 12 91 065 3 Stainless steel cable tie or similar fastener 4 To be sealed silicone 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 170 M210566EN F Appendix A Probe Installation Kits and Installation Examples Example of Installation Through Roof
14. 3 Use the arrow keys to select an alarm to configure The alarm editing page opens NOTE Changes you do on the alarm editing page will take effect immediately and may cause an alarm to appear on the screen VAISALA 4 To select a quantity for the alarm press the Change button and select the quantity from the list 5 To modify or remove the alarm 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 ALARH 1 Quantity T Act above 0 5 00 C Act below 0 00 C Hysteresis 1 00 C Y Alarm enable CANCEL 0802 070 Figure 45 Modifying an Alarm Limit When modifying the value use the arrow up and down buttons to change the value under the cursor Left and right arrow buttons move the cursor Select the OK button to accept the modified value or Cancel to undo the modification 6 Seta suitable Hysteresis value to prevent the alarm from being triggered unnecessarily by small measurement changes that pass the alarm limit repeatedly 7 Set or clear the Alarm enable checkbox to enable or disable the alarm 8 Press the Exit button to leave the alarm configuration screen and return to the basic view 71 User s Guide MI70 Link Program for Data Handling The recorded data can be transferred to a PC by using MI70 Link program You can examine the recorded data easily in Windows environm
15. Analog Output Module Outputs Operating temperature range Power consumption UA 1 V Uou0 5V 0 10V Tour O 20 mA External loads current outputs Max load cable loop resistance 0 1V 0 5 Vand0 10V Storage temperature range 3 pole screw terminal Max wire size 100 240 VAC 50 60 Hz screw terminals for 0 5 2 5 mm wire AWG 20 14 for 8 11 mm diameter cable 40 60 C 40 140 F 40 70 C 40 158 F 0 20 mA 4 20 mA 0 1V 0 5V 0 10V 40 60 C 40 140 F max 30 mA max 30 mA max 60 mA R lt 500 ohms 540 ohms Ru 2000 ohms R gt 10 000 ohms 55 80 C 67 176 F 1 5 mm AWGI16 155 User s Guide 156 Relay Module Operating temperature range Operating pressure range Power consumption 24 V Contacts SPDT change over for example Contact arrangement Form C Imax Imax Safety standard for the relay component Storage temperature range 3 pole screw terminal relay Max wire size RS 485 Module Operating temperature range Operating modes Operating speed max Bus isolation Power consumption 24V External loads standard loads Storage temperature range Max wire size LAN Interface Module Operating temperature range Storage temperature range Operating humidity range Power consumption 24V Ethernet type Connector Supported protocols WLAN Interface Module Operating tempera
16. EE 124 ADD BEE 124 SEND soni Seed 125 OPEN otto aho ilu 125 EE Egeter aere eth alone 125 Sensor FUNCTIONS cccccccnconononnonocncnnnnannnncn nene can cnn nano 126 Chemical Purge Optional 126 Automatic Chemical Purge Interval Purge 127 Manual Chemical Pure 127 Chemical Purge in Power Up 127 Starting and Configuring Chemical Purge sessseesseese 128 Using Buttons on Motherboard ssssssssennssennnnneenneene 128 Using Display Keypad Optional 128 Using Serial Line 2 0 0 ceesceeeteceeseeceeeeeeeeeessaeeeeeaeeeeaes 129 ll EE 129 PUR a e E tren 130 Sensor Heating nana cnn 131 Setting Humidity Sensor Heating ooooooccccconnninnncinnncco 131 AE Mi o ts oh det acens 131 CHAPTER 5 MAINTENANCE iiianoe geseet eege Seege Seege 133 Periodic MaintenanCe ommmmomccnnnncnincannnnaannanaca nara nnnaar rana 133 El aning iii ii donde 133 Changing the Probe Filter 133 Changing the Sensor commociccccnccncconannnnannnnnonerannnnnar rn 134 Error States iie a irite tt el ia eee Qe aaa 135 Technical Support c ccccesccessteeeeeeeesseeseseeeenseeeseseesesnenenseees 137 4 M210566EN F Return Instructions oooccccccnncocnnanccanananonnnancnnnnnanccnnnanonananana 137 Vaisala Service CenterS oncmonncccnnnnscrnnencanenenisnr ranas 138 CHAPTER 6 CALIBRATION AND ADJUSTMENT cc eccesseeesseeesseeeeeseeesseesesneeeenseees 139 Opening and Closing the Adjustment Mode
17. Flat cable pins Indication led for relay 2 or 4 1 2 3 4 The relay module may contain dangerous voltages even 1f the transmitter power has been disconnected Before opening the transmitter you must switch off both the transmitter and the voltage connected to the relay terminals Do not connect the mains power to relay unit without grounding the transmitter 53 User s Guide 54 RS 422 485 Interface ISOLATED RS 422 485 MODULE RS 485 1 0503 029 Figure 33 RS 485 Module The following numbers refer to Figure 33 1 2 3 Flat cable pins Selection switches Screw terminals for wiring Installation and Wiring 1 Disconnect the power In case the RS 485 module is installed in the factory continue with the item 4 Open the transmitter cover and attach the RS 485 module to the bottom of the housing with four screws Connect the flat cable between the RS 485 module and the motherboard s pins MODULE1 Communications Pull the network wirings through the cable gland Connect the twisted pair wires 1 or 2 pairs to the screw terminals as presented in Table 5 below Table 5 Connecting the Twisted Pair Wires to the Screw Screw terminal Data line Data line Terminals 2 wire RS 485 4 wire RS 485 422 not connected RxB not connected RxA Data pair shield Data pair shield B TxB OD amp Oo PO
18. User s Guide Ch2 11 mA ch2 12 mA 2 036 18 071 Feeding Adjustment Information This information is shown on the device information fields see section Device Information on page 101 Using Display Keypad 1 Ifyou are not in the adjustment menu press the ADJ button on the motherboard opens the ADJUSTMENT MENU 2 Select Adjustment info press the button Select Date press SET Give the date by using the arrow buttons Press OK 4 Select i press SET Enter information text including 17 characters at maximum by using the arrow buttons Press OK 5 Press EXIT to return to the basic display Using Serial Line CTEXT Use the CTEXT command to enter text to the adjustment information field Example gt ctext Adjust info not set HMK15 gt CDATE Use the CDATE command to enter date to adjustment information field Set the adjustment date in format Y Y Y Y MM DD Example gt cdate Adjust date not set 2004 05 21 gt 148 M210566EN F Chapter 7 Technical Data CHAPTER 7 TECHNICAL DATA This chapter provides the technical data of the product Specifications VAISALA Performance Relative Humidity Measurement range 0 100 RH Accuracy including non linearity hysteresis and repeatability with HUMICAP 180 HUMICAP 180R HUMICAP 180C HUMICAP 180RC at 15 25 C at 20 40 C at 40 180 C with HUMICAP 180L2 at 10 4
19. measured value time Relay is released when value is outside the setpoints 0610 076 Figure 59 Measurement Based Relay Output Modes 115 User s Guide 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 is released if the value goes 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 the relay switching back and forth when the measured value is near to the setpoint values Relay is activated when the measured value passes the exact value of the setpoint When returning and passing the setpoint again relay is not released before the value reaches the setpoint increased decreased by the hysteresis value Hysteresis should be smaller than difference of the setpoints Example When the active above value is 60 RH and the hysteresis value is 5 RH relay activates when the relative humidity reaches 60 RH As the humidity 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 the measured value passes the exact value of the setpoint Relay Indicating Transmitter Error Status You can set a relay
20. n elektrik Neodpojujte nap jec modul od sn ma e p i zapnut m nap jen Nep ipojujte s ov nap jen k nap jec mu modulu pokud nen instalov n ve sn ma i HMT330 V dy zapojte ochrannou zemn c svorku 49 User s Guide Galvanic Isolation for Output If galvanic isolation of the power supply line from the output signals 1s needed HMT330 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 50 ZB 0506 030 Figure 29 Galvanic Output Isolation Module The following number refers to Figure 29 1 Output isolation module Third Analog Output 0503 030 Figure 30 Third Analog Output The following numbers refer to Figure 30 1 Flat cable pins 2 Screw terminals for signal line 3 DIP switches to select the output mode and range M21 0566EN F Chapter 3 Installation Installation and Wiring 1 Disconnect the power In case the analog output module is installed in the factory continue with the step 4 Open the transmitter cover and fasten the analog output module to the position for MODULE 2 with four screws Refer to Figure 2 on page 20 Connect the flat cable between the analog output module and the motherboard s connector for MODULE 2 Take out the protective plug from the cable gland and thread the wire
21. 4500 Fax 1 781 933 8029 E mail us customersupportO vaisala com EUROPEAN SERVICE CENTER Vaisala Instruments Service Vanha Nurmij rventie 21 FIN 01670 Vantaa FINLAND Phone 358 9 8949 2658 Fax 358 9 8949 2295 E mail instruments service O vaisala com TOKYO SERVICE CENTER Vaisala KK 42 Kagurazaka 6 Chome Shinjuku Ku Tokyo 162 0825 JAPAN Phone 81 3 3266 9617 Fax 81 3 3266 9655 E mail aftersales asia vaisala com BEIJING SERVICE CENTER Vaisala China Ltd Floor 2 EAS Building No 21 Xiao Yun Road Dongsanhuan Beilu Chaoyang District Beijing P R CHINA 100027 Phone 86 10 8526 1199 Fax 86 10 8526 1155 E mail china service O vaisala com www vaisala com 138 M210566EN F Chapter 6 Calibration and Adjustment CHAPTER 6 CALIBRATION AND ADJUSTMENT The HMT330 is fully calibrated and adjusted as shipped from factory Typical calibration interval is one year Depending on the application it may be good to make more frequent checks Calibration must be done always when there is a reason to believe that the device is not within the accuracy specifications It is recommended that calibration and adjustment should be carried out by Vaisala See section Vaisala Service Centers on page 138 Calibration and adjustment is carried out either by using the push keys on the motherboard through the serial port or with the optional display keypad Vaisala portable instruments HM70 and HMI41 can also be us
22. Host address 192 168 0 25 Port number 23 Connect using TCP IP Winsock 0709 007 Figure 55 Connecting Using a Network 85 User s Guide 4 Ifyou selected a serial port you must match the port settings in the Properties window with the transmitter 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 serial connection COM1 Properties p Port Settings Bis per second EA Data bits 8 Parity None Stop bits 1 Flow control None EXA oc Cor a 0709 006 Figure 56 Hyper Terminal Serial Port Settings 5 Select File gt Save in the HyperTerminal main window to save the connection settings To use the saved settings later start HyperTerminal click cancel in the New Connection window and select File gt Open 86 M210566EN F Chapter 4 Operation List of Serial Commands VAISALA The bold text in the brackets is the default setting To issue a command type it on your computer and press the Enter key Table 16 Measurement Commands Command Description R Start the continuous outputting S Stop the continuous outputting INTV 0 255 S MIN H Set the continuous output interval for RUN mode SEND 0 99 Output the reading once SEND D Outputting the reading with the raw data
23. Logger Module 60 Wiring of Optional 8 Pin Connechor 61 Basic Display iii EENS 64 Graphical Display oooncococccononiconncccnoccnnnonnna nana nancccnnrn nana nnnannccn 64 Graphical Display with Data Logoger ees 65 Main MenUS ion i 67 Display Alarm Active ooooooccccnnnnccccnonoccccnononcccnnnanncccnnnrnnccnnnn cnc 70 Display Alarms cti dde 71 Modifying an Alarm Lime 71 Service Port Connector and User Port Terminal on Mother DON ota EE 73 Connection Example Between PC Serial Port and User Port 74 Network Interface Mem 78 IP Configuration Men 78 Wireless LAN Getngs rca 81 User s Guide Figure 51 Entering Network GI 81 Figure 52 Selecting the Wireless Network Type 81 Figure 53 Web Configuration Interface for WAN 84 Figure 54 Connecting Using Serial Interface ooonnnnninnididnndo nninnnnncicnccin 85 Figure 55 Connecting Using a Network oocincccinccnnnncnnnccccocccnccnnnanannnanccnns 85 Figure 56 Hyper Terminal Serial Port Settings ccececeseeeseeeeeneees 86 Figure 57 Device Information on Display eeeeeeeeeeeeeeeeeeeeeee en 102 Figure 58 Current Voltage Switches of Output Modules 110 Figure 59 Measurement Based Relay Output Modes 115 Figure 60 FAULT ONLINE STATUS Relay Output Modes 117 Figure 61 Relay Indicators on Display eeeeeeeeeeeeeeeeeeneerieere erene 118 Figure 62 Decrease of Sensor Gain ccccccececeeeeeeeeeeeceeeeeessa
24. 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 108 M210566EN F Chapter 4 Operation CAUTION Deleting the Recorded Files You can delete the recorded data files using the keypad display or the DELETE command on the serial line The deletion is always done for all data you cannot delete individual files Note that the transmitter automatically overwrites the old data when the memory is full so manual deletion of the recorded files is not necessary in normal use To delete the data files using the keypad display 1 Press any of the arrow buttons to open the MAIN MENU 2 Select System by pressing the arrow button Select Clear graph memories by pressing the CLEAR button Press the YES button to confirm the selection This function clears the entire data history of the transmitter including all graphs and the content of the optional data logger module UNDELETE Similarly to the DELETE command the UNDELETE command is used without any arguments It will recover all deleted data that has not been overwritten yet Analog Output Settings VAISALA 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 50 Changing Output Mode and Range Both output channels have their own DIP
25. a measurement hole of the 75 RH NaCl reference chamber of the humidity calibrator HMK15 Use the adapter fitting for the probes of HMT334 HMT335 HMT337 and HMT338 VAISALA 141 User s Guide 142 Wait at least 30 minutes for the sensor to stabilize the indicator led is lit continuously Adjustment cannot be done if the conditions are not stabilized indicator led is flashing Press the button NaCl 75 to adjust the 75 RH condition After adjustment transmitter returns to normal operation mode indicator led is unlit Using Display Keypad Note that the difference between the two humidity references must be at least 50 RH 1 Carry out the chemical purge if available 2 Press the ADJ button opens the ADJUSTMENT MENU 3 Select Adjust RH measurement press gt button 4 Select 1 point 2 point adjustment press Press START 5 Select the reference as guided by the display press SELECT POINT 1 REFERENCE TYPE Other enter value N2 chamber 0 LiCl chamber 11 NaCl chamber 75 Hi KSOy4 chamber 97 SELECT CANCEL 0706 005 Figure 70 Selecting Point 1 Reference Type Remove the filter from the probe and insert the probe into a measurement 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 Wait at least 30 minutes for the sensor to stabilize Follow the
26. be placed at the disposal of Vaisala Vaisala also warrants the quality of all repair and service works performed by its employees to products sold by it In case the repair or service works should appear inadequate or faulty and should this cause malfunction or nonfunction of the product to which the service was performed Vaisala shall at its free option either repair or have repaired or replace the product in question The working hours used by employees of Vaisala for such repair or replacement shall be free of charge to the client This service warranty shall be valid for a period of six 6 months from the date the service measures were completed This warranty is however subject to following conditions a A substantiated written claim as to any alleged defects shall have been received by Vaisala within thirty 30 days after the defect or fault became known or occurred and b The allegedly defective Product or part 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 Vaisala agrees to inspect and repair the Product or replace it on site 16 This warranty does not however apply when the defect has been caused through a normal wear and tear or accident b misuse or other unsuitable or unauthorized use of the Product or negligence or error in storing maintaining or in han
27. changed using a web browser The configuration page can be accessed by browsing to the IP address of the transmitter IP Address 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 network the transmitter is a part of Must be set manually if automatic configuration is not used A common netmask is 255 255 255 0 Gateway IP address of the server that enables the transmitter to access other networks Must be set manually if automatic configuration is not used Example value 192 168 0 1 MAC The MAC address is the unique hardware address of the LAN or WLAN interface Cannot be changed Using Display Keypad You can configure the IP settings of the LAN and WLAN interfaces using the display keypad as follows 1 Press any of the arrow buttons to open the MAIN MENU De Press the arrow button to select Interfaces Press gt arrow button to select Network settings There will be a delay as the transmitter refreshes the network information 4 You are now in the Network Interface menu Selecting the IP configuration option opens the IP configuration menu 77 User s Guide 78 NETWORK INTERFACE e rWireless LAN settings HD configuration e gt Telnet settings Y Web configuration F Disconnect all EXIT 0802 113 Figure 48 Network Inter
28. is pressed Allow sufficient time for the probe to reach ambient temperature before starting the adjustment procedure 140 M21 0566EN F Chapter 6 Calibration and Adjustment NOTE Fixed pressure compensation value of 1013 25 hPa is used when in adjustment mode Relative Humidity Adjustment Using Push Buttons A simple push button adjustment is carried out by using two relative humidity references 11 RH LiCl and 75 RH NaCl 1 Carry out the chemical purge if available LiCl reference 2 Press the ADJ button see Figure 68 on page 140 on the motherboard to open the adjustment mode The indicator led starts flashing 3 Remove the filter from the probe and insert the probe into a measurement hole of the 11 RH LiCl in the humidity calibrator HMK15 Use the adapter fitting for the probes of HMT334 HMT335 HMT337 and HMT338 4 Wait at least 30 minutes for the sensor to stabilize 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 LiCI 11 to adjust the 11 RH condition After adjustment transmitter returns to normal operation mode indicator LED is unlit NaCl reference 6 When adjusting in the second reference 75 RH press the ADJ button to open the adjustment mode The indicator led starts flashing 7 Insert the probe into
29. of the optional analog output channel 3 Enter always all the quantities for all outputs For quantities and their abbreviations see Table 2 on page 17 and Table 3 on page 18 Use the command ASEL xxx yyy as shown in the example below when using a device with two analog outputs Example gt asel rh t Chil RH low 0 00 SRH 0 Chl RH high 100 00 RH 100 Ch2 1 low 40 00 C 50 CH2 1 high 60 00 C 80 gt M210566EN F Chapter 4 VAISALA Operation Analog Output Tests Use the display keypad for testing to test the operation of the analog by forcing the outputs to known values Measure then the outputs with a current voltage meter Press any of the arrow buttons to open the MAIN MENU Select System by pressing the arrow button Select Diagnostics by pressing the arrow button Select Analog output tests by pressing the arrow button SE LO ES Select one of the testing options Force 0 50 100 of scale 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 ITEST Use the serial line to test the operation of the analog outputs Use the command ITEST to force the analog outputs to entered values The set values remain valid until you enter the command ITEST without parameters or RESET the transmitter ITEST aa aaa
30. on again 1 Open the MAIN MENU by pressing any of the Y A lt P arrow buttons Select Display press the gt arrow button Select Backlight press the CHANGE button Select On Off Automatic press the SELECT button Press EXIT to return to the basic display PO a SE Display Contrast Setting 1 Open the MAIN MENU by pressing any of the V A lt P arrow buttons 2 Select Display press the gt arrow button 3 Select Contrast press the ADJUST button 4 Adjust the contrast by pressing the dk arrow buttons 5 Press OK and EXIT to return to the basic display Keypad Lock Key guard This function locks the keypad and prevents unintentional key presses 1 Keep pressing the left hand function button for 4 seconds to lock the keypad at any display 2 To unlock the keypad press the OPEN button for 4 seconds M210566EN F Chapter 4 Operation 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 and graphical view are available but access to the menus is locked The key symbol indicates the activation of this feature 1 Open the MAIN MENU by pressing any of the V A lt P arrow buttons 2 Select System press the gt arrow button Select Menu PIN press the ON button 4 Entera PIN code by using the Y A arrow buttons Press OK to confirm the setting Now the PIN lock is on and a key symbol is show
31. reading once in STOP mode The output format depends on which parameters the transmitter can output Examples RH 98 4 RH T 31 1 C RH 98 4 SRH 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 hPa pws 60 52 hPa h 130 7 kJ kg Outputting Reading with Raw Data SEND D Example gt send d 24 1720 15 0399 3 5743 189 2324 15 0709 15 0399 23 9765 M210566EN F Chapter 4 VAISALA Operation Where the readings from the left are 24 1720 Temperature of the humidity probe C 15 0399 RH RH 3 5743 Tdf C 189 2324 Capacitance pF 15 0709 RH raw calculated from scaled capacitance RH 15 0399 Enhancement factor corrected RH RH 23 9765 Temperature of the additional temperature probe optional C Formatting Serial Line Message FTIME and FDATE FTIME and FDATE commands will enable disable output of time and date to the serial line To add time to R and SEND outputs enter FTIME x To add date to R and SEND outputs enter FDATE x where x ONor OFF Example gt send RH 98 4 RH T 31 0 C gt ftime on Form time ON gt send 03 47 59 RH 98 4 SRH T 31 0 C gt fdate on Form date ON gt send 2004 07 05 03 48 03 RH 98 4 SRH T 31 0 C gt FST To output the state of optional probe heating and chemical purge in connection with SEND and R commands enter FST x 91 User s Guide W
32. speed up the process and to avoid extra costs to you 1 Read the section Warranty on page 16 2 Contact a Vaisala Service Center or a local Vaisala representative The latest contact information and instructions are available from www vaisala com Addresses of the Service Centers are provided in section Vaisala Service Centers on page 138 Please have the following information on hand serial number of the unit date and place of purchase or last calibration description of the fault circumstances in which the fault occurs occurred name and contact information of a technically competent person who can provide further information on the problem 137 User s Guide 3 Pack the faulty product in a strong box of adequate size with proper cushioning material to avoid damage 4 Include the information 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 Centers perform calibrations and adjustments as well as repair and spare part services See contact information below Vaisala Service Centers also offer accredited calibrations maintenance contracts and a calibration reminder program Do not hesitate to contact them to get further information NORTH AMERICAN SERVICE CENTER Vaisala Inc 10 D Gill Street Woburn MA 01801 1068 USA Phone 1 781 933
33. stabilization from the GRAPH display Press READY when stabilized If you have chosen the Other reference value enter now the reference value by using the arrow buttons When carrying out the 2 point adjustment proceed to the next adjustment point and carry out the procedure as described in the previous items Answer YES to confirm the adjustment Press OK to return to the adjustment menu M21 0566EN F Chapter 6 VAISALA Calibration and Adjustment 10 Press EXIT to close the adjustment mode and return to the basic display Before closing the adjustment mode feed the adjustment information into the device see section Feeding Adjustment Information on page 148 Using Serial Line Note that the difference between the two humidity references must be at least 50 RH 1 Connect the HMT330 to a PC See section Serial Line Communication on page 72 Open a terminal program Carry out the chemical purge if available Press the ADJ button Remove the filter from the probe and insert the probe into a measurement 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 Enter the CRH command and press ENTER CRH Wait at least 30 minutes for the sensor to stabilize Type C and press ENTER a few times to check if the reading is stabilized When the reading is stabilized give the referen
34. switch module with 8 switches see the position in Figure 2 on page 20 DIP switches for analog output settings 109 User s Guide 1 Select the current voltage output switch ON either of the switches 1 or 2 2 Select the range switch ON one of the switches from 3 to 7 0503 045 Figure 58 Current Voltage Switches of Output Modules The following numbers refer to Figure 58 above 1 Current voltage selection output switches from 1 to 2 2 Current voltage range selection switches from 3 to 7 in analog output and 2 3 Switches for service use only Keep in OFF position always NOTE Only one of the switches 1 or 2 must be ON at a time Only one of the switches 3 to 7 must be ON at a time 110 M210566EN F Chapter 4 Operation Example 0 5 V voltage output selected for channel 1 and 4 20 mA selected for channel 2 OFF ON ok N E o ai a e d ai oo ok E nE o gt E a o s oo Selection Voltage output selected 0 5 V selected Current output selected 4 20 mA selected NOTE If you 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 114 VAISALA Analog Output Quantities Use the display keypad to change and scale t
35. to set the setpoint by using the arrow buttons Select REMOVE if you want to remove the setpoint M210566EN F Chapter 4 VAISALA Operation 7 Select Hysteresis by using the arrow buttons Press SET to set the hysteresis Press OK 8 Select Relay enable by using the arrow buttons press ON OFF to enable disable the relay RSEL Use the serial line to select the quantity setpoints and hysteresis or enable disable the relay outputs Enter the RSEL command RSEL q1 q2 q3 q4 ql quantity for the relay 1 or Fault Online q2 quantity for the relay 2 or Fault Online q3 quantity for the relay 3 or Fault Online q4 quantity for the relay 4 or Fault Online Factory setting all relays disabled Use the quantity abbreviations presented above See Table 2 on page 17 and Table 3 on page 18 Example of window 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 gt rsel rh t Rell RH above 0 00 SRH 30 Rell RH below 0 00 SRH 40 Rell RH hyst 0 00 SRH 2 Rell RH enabl OFF ON Rel2 T above 0 00 C 30 Rel2 1 below 0 00 C 40 Rel2 1 hyst 0 00 C 3 Rel2 1 enabl OFF ON gt 119 User s Guide 120 Example of normal limit switch Selecting relay 1 to follow relative humidity relay 2 to follow temperature relay 3 to follow dewpoint and relay 4 to
36. to transmitter 2 other transmitters stay in POLL mode gt CRH for example calibration performed gt CLOSE line closed VAISALA 125 User s Guide Sensor Functions Chemical Purge Optional In some specific applications the sensor gain may decrease gradually due to an interference caused by a particular chemical 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 62 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 decreases In chemical purge heating the humidity sensor to a temperature level of approximately 160 C for several minutes evaporates the interfering chemical The purge function starts with heating stage continues with settling and when the temperature of the sensor is decreased the transmitter returns to normal mode The whole cycle takes about 6 minutes NOTE Chemical purge function locks the output values for about 6 minutes 126 Calibration values ze zm wl PS wm wm Measured values after chemical OS exposure HA he A Output signal m lan e wm zm d wn wm wm wl Humidity 0508 035 Figure 62 Decrease of Sensor Gain M210566EN F Chapter 4 VAISALA Operation Before starting the chemical purge
37. you need to ground the transmitter housing the grounding connector is found inside the housing see Figure 2 on page 20 Note that the probe is connected to the same potential as the housing Make sure that different groundings are made to the same potential Otherwise harmful ground currents may be generated If it is needed to have galvanic isolation of the power supply line from the output signals the HMT330 can be ordered with an optional output isolation module This module prevents harmful grounding loops M210566EN F Chapter 3 Installation Signal and Power Supply Wiring When connecting the transmitter with 8 pin connector see section 8 Pin Connector on page 61 When wiring the power supply module see section Power Supply Module on page 45 POWER 10 36 Y 24 Wow VDOVDOSVODO ER PORT S 232 EI eg 29 Q S Es ANALOG OUTPUTS 0506 028 Figure 17 Screw Terminal Block on Motherboard The following numbers refer to Figure 17 1 Power supply terminals 10 35 VDC 24 VAC 2 User port RS 232 terminals 3 Analog 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 the cable bushing in the bottom of the transmitter see the grounding instructions in the previous sections 3 Connect the analog outp
38. 0 C at 40 180 C Factory calibration uncertainty 20 C for typical applications for typical applications for applications with chemical purge and or warmed probe for applications with chemical purge and or warmed probe 1 RH 0 90 RH 1 7 RH 90 100 RH 1 0 0 008 x reading RH 1 5 0 015 x reading RH for applications with demanding chemical environment 1 0 0 01 x reading RH 1 5 0 02 x reading RH 0 6 RH 0 40 RH 1 0 RH 40 97 RH Defined as 2 standard deviation limits Small variations possible see also calibration certificate 149 User s Guide 150 Response time 90 for HUMICAP 180 HUMICAP 180C and HUMICAP 180L2 at 20 C in still air 8 s with grid filter 20 s with grid steel netting filter 40 s with sintered filter Response time 90 for HUMICAP 180R and HUMICAP 180RC at 20 C in 0 1 m s air flow 17 s with grid filter 50 s with grid steel netting filter 60 s with sintered filter Temperature Operating Pressure Ranges HMT331 40 60 C 40 140 F HMT333 80 C 40 80 C 40 176 F HMT333 120 C 40 120 C 40 248 F HMT334 70 180 C 94 356 F HMT335 vapor tight HMT337 vapor tight HMT338 Accuracy at 20 C 68 F 0 10 MPa 0 100 bar 70 180 C 94 356 F 70 180 C 94 356 F
39. 104 Locking Menu Keypad by Using Serial Line 104 LOCK viii A E ti E 104 Data Recording ASA 105 Selecting Data Recording Quantities ooooooocnnnnnnnnnnin cn 105 Re DEE 105 View Recorded Data 106 DIR a nd e 106 PLA Ya ne ee 107 Deleting the Recorded Files AA 109 UNDELETE coimas ada 109 VAISALA User s Guide Analog Output Settings ccsceeeseseesseeeeseeeeeseeesseeeensees 109 Changing Output Mode and Hange 109 Analog Output Quantities oooonnccinnnccinnccnncccconocnnananncancncnno 111 AMODE ASEL tcc li id 112 Analog Output Tests 113 MES aii ii a E 113 Analog Output Fault Indication Geitmg 114 AER Rosca dt cat Ath alee ih See 114 Operation Of RelayS csssccseeeseseesseeeeseeeeeseeseeeseseeeeneeees 115 Quantity for Relay Output 115 Measurement Based Relay Output Modes ssssseeeseess 115 Relay Setoo nts uc latent eeveeneisseeetiete Se egi e 115 FAYSUSIOSIS iia talleres 116 Relay Indicating Transmitter Error Status oooonnnccncccnn 116 Enabling Disabling Helawvs AA 118 Setting Relay Outputs oooonocccncccnoccccononnnanaconancnnnnnanann canon 118 A Tn 119 Testing Operation of Helavs 120 RATES caida 121 Operation of the RS 485 Module ooooomnconccccconnccosannnanonennnness 121 Networking Commande coocconoccccocccononanonaccnanccnonrnn nana cnnnncno 122 SDELA Vit iio 122 SER hacia aid til trio 122 ECHO airada etal 123 SMODE rota roles 123 NENG ee d se dE
40. 232 454 9 13 17 9 Lengths for standard optional probes freely user adjustable length 0508 078 Figure 80 HMT338 Probe Dimensions Temperature Probe 130 5 12 0804 062 Figure 81 Optional Temperature Probe Dimensions M210566EN F Appendix A APPENDIX A Probe Installation Kits and Installation Examples PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES Duct Installation Kits for HMT333 337 335 Duct installation kit includes a flange a sealing ring a supporting bar a probe attaching part and screws for attaching the flange to the duct wall Vaisala order codes 210697 for HMT333 and HMT337 210696 for HMT335 no supporting bar and 215003 for temperature probe B 4 2 x 16 DIN 7981 drilling 16 22 mm 105 355 mm 0508 021 Figure 82 Duct Mounting Installation Kit The following numbers refer to Figure 82 Duct wall Flange Sealing ring Supporting bar not included in the kit for HMT335 Probe attaching part to be fixed with the supporting bar Relative humidity probe Du E UN NOTE When the temperature difference between the duct and the air outside the duct is remarkable the supporting bar must be installed as deep in the duct as possible This prevents errors caused by the heat conduction in the bar and cable VAISALA 165 User s Guide Duct Installation Kit for Temperature Probe for HMT337 Vaisala duct inst
41. 5 ElA 485 1 White Data out TX A 2 Brown serial GND serial GND Signal GND for both channels 3 Green Ch 2 4 Yellow Ch 1 5 Grey Supply Supply Supply 6 Pink Supply Supply Supply 7 Blue Data in RX B 8 Shield Red Cable shield Cable shield Cable shield VAISALA 61 User s Guide This page intentionally left blank 62 M210566EN F Chapter 4 Operation CHAPTER 4 OPERATION This chapter contains information that is needed to operate this product Getting Started Within a few seconds after power up the LED on the cover of the transmitter is lit continuously indicating normal operation When using the optional display and turning the transmitter on the first time the language selection menu window opens Select the language with V A arrow buttons and press the SELECT button the left hand Z button The pressure has an effect on humidity calculations and accuracy Therefore accurate calculations can be achieved only when the ambient pressure is taken into consideration For instructions on how to set the pressure see section Pressure Compensation Setting on page 95 Display Keypad Optional Basic Display Display shows you the measurement values of the selected quantities in the selected units You can select 3 quantities for the numerical basic display see section Changing Quantities and Units on page 92 VAISALA 63 User s Guide 0705 20
42. 6 IP Settings for the LAN and WLAN Interfaces 0snnnnnaenaaaaena 77 Wireless LAN Getngs 80 Measurement Commande 87 Formatting Commande 87 Data Recording Commande essseeseesseeeressiesriesrieerresrresrne 87 Chemical Purge Commande ssssesseesseesseessrnssrnssennsrnnssnnseenns 88 Calibration and Adjustment Commande 88 Setting and Testing the Analog Outputs ss sesesesse essensen 88 Setting and Testing the Relays ccccceeeeseseeeeeeeeeteeeeneeeees 88 Other Commande 89 FORM Command Moditters en nnne nn nnne ranner nn nennen 94 Multiplication Fachors nano nn nana 96 Selection of Output Modes oooonocccnccnnoncccnccccconcccnnrnnn naar 100 Filtering EE 101 Error Messages ccceceecceceesecceeeeceneeeeeneeneeeeeseneesesseneeeeenenees 136 Indicator Led Functions ssssssssesseneneenseeernrnnnnssnernnnnnnnenne 140 Calculated Variables Typical Hanges 151 Transmitter Weight in ko 155 User s Guide This page intentionally left blank 10 M210566EN F Chapter 1 General Information CHAPTER 1 GENERAL INFORMATION This chapter provides general notes for the manual and the product About This Manual This manual provides information for installing operating and maintaining Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT330 Contents of This Manual This manual consists of the following chapters VAISALA Chapter 1 General Information
43. 63 Graphic Rietonm cuicos il rada 64 Menus and Navioaton nana 66 Changing the Language ocococconccccnonicnnnccnnoncnonanananannnnnoos 67 Rounding Gettimg e neennesenssenssennsennsens 68 Display Backlight Getting 68 Display Contrast Geitmg 68 Keypad Lock Key ouard 68 Ment PIN LOCK oesreste EE EE A EEA 69 Factory Settings oooooccinnnncinnnnnnnccnnonnnnnccnnnrccnnnrnnnnrnnnnnc 69 Display Alarm Si circa dd aa 70 Configuring a Display Alamm 70 MI70 Link Program for Data Handling csseeeseeeeeees 72 Serial Line COMMUNICATION cconnnninnnnnncnnnnennnnsennnnc ranas 72 User Port Connection ooonccconcccononicnnoccnconcccnonann nara nnnn cara ncnninos 73 Service Port Connechon 74 Connection Cables occcccncccnnnicinocnoncccnonrnnnnrnnnnr cnn 74 Installing the Driver for the USB Cable eee 75 Using the Service Port 75 LAN Communication ooccccnnnnnncnnnnnnnononan narco nro nera 76 IP CGontfguration rra canon nn cnc rcnnnnn cnn 76 Using Display Keypad oooococccinccocicnnconcccnnncnancnnnanancnnnnnnnno 77 Using Serial Line 0 ccceesseeceseeeseeeceeneeeeeeeeeeeeeeeaeenenees 78 Wireless LAN Configuration cccccceesceceteeeeeteeeeeeeeeees 80 Using Display Keypad oococcccconococccnncococcnncnccncnonanancnnnnnnnno 80 Using Serial Line oooooonninninnidininninnnconnncccconccnnornnnncnnnncn 82 2 M210566EN F Telnet Settings AA 83 Web Configuration for LAN and WAN 83 Terminal Program Settings
44. 70 180 C 94 356 F 0 4 MPa 0 40 bar 0 2 C Accuracy over temperature range see graph below ACT 0 7 0 6 0 3 0 2 0 1 0 05 04 fg lt 0 1 0 2 0 3 0 4 0 5 0 6 0 7 80 60 Figure 71 Temperature sensor Ae sE Sa eG HE AR E Ge ene BA 40 20 0 20 40 60 80 100 120 140 160 180 0507 021 Accuracy over Temperature Range Pt 100 RTD 1 3 Class B IEC 751 M210566EN F Chapter 7 Technical Data Optional Temperature Probe Temperature measurement range 70 180 C 94 356 F Typical accuracy 0 1 C 0 18 F Sensor Pt100 PRT DIN IEC 751 class 1 4 B Cable length 2 m 5m and 10m Pressure tight Probe material up to 7 bar stainless steel Calculated Variables Table 30 Calculated Variables Typical Ranges Variable HMT331 probe HMT333 probe HMT334 335 337 338 robes Dewpoint temperature 20 60 C 20 80 C 20 100 C Mixing ratio O 160 g kg dry air 0 500 g kg dry air 0 500 g kg dry air Absolute humidity 0 160 g m 0 500 g m 0 500 g m Wet bulb temperature 0 60 C 0 100 C 0 100 C Enthalpy 40 1500 kJ kg 40 1500 kJ kg 40 1500 kJ kg Water vapor pressure 0 1000 hPa 0 1000 hPa 0 1000 hPa Accuracies of Calculated Variables Accuracies of the calculated variables dep
45. 9 Figure 39 Basic Display The following numbers refer to Figure 39 above 1 The Info shortcut button see section Device Information on page 101 2 The Graph shortcut button see section Graphic History on page 64 3 Quantities selected for display NOTE From any view 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 quantities one at a time The graph is updated automatically while measuring CUYA RH D ll eu E tre Na Coe Se eee 56 20min 15min 10min Smin NEXT EXIT 0705 210 Figure 40 Graphical Display Trend graph Shows you a curve of average values Each value is a calculated average over a period See Table 10 on page 65 below 64 M21 0566EN F Chapter 4 VAISALA Operation Max min graph Shows you the minimum and maximum values in a form of curve Each value is max min over a time period See Table 10 below Table 10 Periods for Trend and 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 year 12 days Shows the maximum logging period of the data logger module available when data logger module is installed Use the following func
46. A TxA M21 0566EN F Chapter 3 If you use RS 485 or RS 422 to connect just one HMT330 to a Installation 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 termination or with a separate terminator If 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 without blocking the bus operation NOTE If you use the internal termination of the transmitter at the end of the RS 485 bus instead of using separate terminators removing that transmitter will block the bus operation 7 Use the bus type 4 wire 2 wire to select the selection switch 3 In 4 wire mode RS 485 master sends data to the HMT330 through terminals RxA and RxB and receives data from HMT330 through terminals TxA and TxB TERMINATION TERMINATION Di E EE B le d j A le y mom i SHIELD gt i BT l Ayee STUB H RS485 BUS MASTER osbko seko sp oe pol 1 JUNCTION BOX H TWISTED PAIR ADDRESS NN SE ER EE EES EE F SWITCH 3 a d TERM OFF A fet
47. E The error output value is displayed only when there are minor electrical faults such as humidity sensor damage When there is a severe device malfunction the error output value is not necessarily shown 114 M210566EN F Chapter 4 Operation Operation of Relays Mode 1 Only above setpoint set measured value time Relay is active when value is above the setpoint Mode 3 Both setpoints set above gt below measured value time Relay is active when value is outside the setpoints VAISALA Quantity for Relay Output A relay monitors the quantity chosen for the relay output 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 lower value as above value and higher value as below value the relay is passive when the measured value is not between the setpoints You can also set only one setpoint See Figure 59 below for illustrative examples of the different measurement based relay output modes Mode 2 Only below setpoint set Legend Active above setpoint value Active below setpoint value Hysteresis value Relay is active NO C connected e Relay is released Relay is activated measured value time Relay is active when value is below the setpoint Mode 4 Both setpoints set above lt below
48. Horizontal Mounting of Probe The following numbers refer to Figure 20 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 probe along the cable 37 User s Guide When there is no alternative but to install the probe in the process vertically the point of entry must be carefully insulated The cable must also be allowed to hang loosely as this prevents any condensed water from running onto the probe along the cable 1 0507 022 Figure 21 Vertical Mounting of Probe The following numbers refer to Figure 21 1 Tobe sealed 2 Insulate the cable 3 To be insulated 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 caused by heat conduction along the metal 38 If the process temperature is much higher than that of the environment the whole probe and preferably plenty of cable must be inside the process This prevents measuring inaccuracy caused by heat conduction along the cable When mounted on the side of a duct or channel the probe must be inserted from the side of the duct If this is not possible and the probe must be inserted from the top the point of entry must be carefully insulated For Vaisala probe installation kits and some installation e
49. Message Interpretation Power outage Power failure marked also with dashed vertical line No data Quantity has not been selected for the display Device failure General device failure T meas failure Temperature measurement sensor failure RH meas failure Humidity measurement sensor failure Adj mode active Adjustment mode active data recorded 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 time difference between the present and the cursor position is not exactly known Menus and Navigation You can change settings and select functions in the menus 1 Open the MAIN MENU by pressing any of the V A lt P arrow buttons in the basic numeric display mode Move in the menus by using the A Y arrow buttons Open a submenu with gt button Press lt to return to the previous level ON a OS GE Function button EXIT returns you back to the basic display M210566EN F Chapter 4 VAISALA Operation MAIN MENU 47 CEET Heasuring interfaces gt System MEASURING Pressure compensation Chemical purge 3 Sensor heating Filtering Off EXIT SYSTEM gt Date and time lt 2 Menu PIN Language English Clear graph memories Factory settings EXIT Figure 42 Main Menus DISPLAY Units e aAlarms Rounding Backlight Always on O Con
50. P address Subnet mask Default gateway Web config MAC address Telnet gt gt net on off DHCP IP address Subnet mask Default gateway Web config MAC address Telnet OK gt VAISALA Disconnects all current sessions ON or OFF Enables or disables the automatic IP configuration ON or OFF Enables or disables the Web Configuration page The four part network ID of the transmitter Must be set manually if automatic configuration is not used Used together with the IP address to determine which network the transmitter is a part of Must be set manually if automatic configuration is not used IP address of the server that enables the transmitter to access other networks Must be set manually if automatic configuration is not used OFF 1925168 03 101 gt 255 255 255 0 192 168 0 1 OFF 2 003402 908 2e8d2 405 Not connected ON 192 168 0 104 ZOO LODO ZOO a O 192 168 0 1 OFF 00 54039d320 202205 Connected 79 User s Guide 80 gt net off 192 168 0 101 255 255 255 0 192 168 0 1 off DHCP OFF IP address 192 168 0 101 Subnet mask AS OUNAE Jo E O Default gateway 192 168 0 1 Web config OFF MAC address 00 40 9d 2c d2 05 Telnet Connected OK Wireless LAN Configuration The settings of the WLAN interface are described in Table 15 The current settings can be viewed on the serial line or using the device information display see section Device In
51. R502 DTR502 220 8 7 105 4 1 ZS OO gt OS AN a G Z a SS ES PA ZN SEE E NS emm MA ZAS Bes A LaS Alternative locations for ZA r an additional transmitter e mounting plate a Transmitter mounting plate A ZN 100 3 9 ZS W ZS WW ZS IS IS y AS l E LR d Y A LP E m PO gt 5 645 25 4 Le 800 31 5 800 31 5 T When Static pressure head SPH10 20 is in use the transmitter Pole mounting plate Support bar amp shield for has to be installed to the pole mast An airtight connection or support bars heated T2 probe transmitter between the transmitter and the Static pressure head is made mounting plate included in with a pressure hose To prevent the condensed water from blocking the option the hose as it freezes make sure that the hose won t hange loose Support bar amp radiation shield for additional T probe or for non heated BH probe or T2 probe 0804 063 Figure 93 Meteorological Installation Kit for Outdoor Installation 174 M21 0566EN F Appendix B Calculation Formulas APPENDIX B CALCULATION FORMULAS This Appendix contains the formulas used for the calculated output quantities The HMT330 series transmitters measure relative humidity and temperature From these values dewpoint mixing ratio absolute humidity and enthalpy in normal pressure are calculated using the following equations Dewpoint T Tj n Ge S A P is the water vapor pressure The param
52. SMODE Set the serial interface mode STOP RUN POLL SDELAY View or set user port RS232 or RS485 answer minimum delay SERI 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 wireless network parameters for WLAN interface OPEN 0 99 Open a temporary connection to a POLL mode device CLOSE Close the temporary connection Back to POLL mode Table 17 Formatting Commands Command Description FORM Set the output format of SEND and R commands TIME Set the time DATE Set the date FTIME ON OFF Add time to SEND and R outputs FDATE ON OFF Add date to SEND and R outputs FST ON OFF Add the state of probe heating and chemical purge in connection with SEND and R commands UNIT Select the metric or non metric output units Table 18 Data Recording Commands Command Description DIR Display recorded files PLAY 0 21 START END Output recorded data file Start and end times can only be specified if the data logger module is installed The times must be given in the following format 87 Command Description yyyy mm dd hh mm ss DSEL Select data recording and displa
53. a y i TERM OFF SHIELD 0d 1 i 2 4 WIRE ON B lei 1 l RS422 OFF A GR l rs P he ko le sp laolal H JUNCTION BOX TWISTED PAIR H ADDRESS MM ll CR i WITCH B er T i TERM OFF A L T TERM OFF SHIELD Leen d 2 4 wike ON B e T d RS422 OFF A hee rem o Juge E f RS485 1 IR ID RN JUNCTION BOX BAUD gt 19 2K STUB lt 10ft 3m TERMINATION TERMINATION BAUD gt 112K STUB lt 1ft 0 3m Figure 34 4 Wire RS 485 Bus Table 6 4 Wire Switch 3 On RS 485 master Data HMT330 TxA gt RxA TxB gt RxB RxA TxA RxB TxB VAISALA 55 User s Guide TERMINATION 1 SHIELD K j RS485 BUS MASTER Sosbosrbospor l 0 j j ADDRESS NN o SWITCH o TERM OFF TERM OFF SHIELD 037 2 4 WIRE OFF B le gt RS422 OFF A RS485 1 cabos ip 0425 i i H 1 ADDRESS MM H 51 snte Ea id D TERM OFF SHIELD ed RARA H 2 4 WIRE OFF B T R5422 OFF 4 aR RS485 1 a lia ect JUNCTION BOX Table 7 2 Wire Switch 3 Off RS 485 master Data HMT330 A gt A B gt B 8 When operating in communication mode RS 422 set both switches 3 and 4 to ON position 4 wire wiring is required for RS 422 mode 9 Connect the power and close the cover LAN Interface The optional LAN interface enables an Ethernet connection
54. able Gland AAA 168 Figure 88 Vapor Tight Installaton 169 Figure 89 Wall Mounting Insiallaton ee eeeeeeeceeeeeeeeeeeeneeeeees 169 Figure 90 Climate Chamber Installation not Available from Vaisala 170 Figure 91 Example of Installation through Roof s 171 Figure 92 Installing the HMT338 Probe Through a Ball Valve ASSOMDIY vest coved ale ita a i AV 172 Figure 93 Meteorological Installation Kit for Outdoor Installation 174 8 M210566EN F List of Tables 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 VAISALA Manual REVISIONS E 12 Quantities Measured by HMT 330 17 Optional Quantities Measured by HMT 330 18 HMT338 Probe Dumensons 43 Connecting the Twisted Pair Wires to the Screw Terminals 54 4 Wire Switch 3 Om 55 2 Wire Switch 3 Orusco paid 56 Observartion Periods and Resolution oooonccccncccnnnninnnocccanccncnos 59 Wiring of 8 Pin Connector escceeeeececeeeeeeeseeeeeteeeeseaeeneneees 61 Periods for Trend and Max Min Calculations 00 000100seeeaea 65 Graph Information Messages in Cursor Mode sssesseeseens 66 Default Serial Communication Settings for the User Port 73 Communication Settings for the Service Port 7
55. acters for 128 bit encryption A WPA key must be 8 63 ASCII characters WLAN SSID TYPE Where SSID The network name in 1 32 characters TYPE The security type of the wireless network The options are OPEN OPEN WEP WPA PSK TKIP WPA PSK CCMP Examples gt wlan Network SSID WLAN AP Type OPEN gt gt wlan accesspoint wpa psk tkip Network SSID accesspoint Type WPA PSK TKIP WPA PSK phrase thequickbrownfox Warning Active connection will be disconnected Save changes Y N y OK gt M210566EN F Chapter 4 VAISALA Operation Telnet Settings When a telnet connection is established via the LAN or WLAN interface the session has the same communication mode run interval poll address and echo settings as the serial port user port session would have These settings can be changed using the display keypad using the serial line user port or service port or on the fly during the telnet session The display menu path to the telnet settings is Main menu gt Interfaces Network Interface 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 accessible using a browser If you have not disabled the page from the network settings you can access it with a web browser at the IP address of the interface When accessing the web co
56. alarm limit The alarms can be configured for any quantity supported by the transmitter The configuration of the Display Alarms can only be done using the display keypad option An alarm is activated when the selected quantity goes higher than the high limit or lower than the low limit much in the same way as the relays When an alarm is activated an alarm note is displayed on the display and the lights of the display will blink ALARM T gt 25 0 C Alarm limit crossed on 2008 02 19 at 8 09 0802 041 Figure 43 Display Alarm Active Multiple alarms can be active at the same time the alarm that was triggered first will be shown on the display The next active alarm is revealed when the currently shown alarm is acknowledged by pressing the OK button Note that activated alarms are only shown on the screen There are no alarm messages output to the serial line or markers placed in the graph data After an alarm has been acknowledged you must refer to the data graphs to see when the 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 open the Display Alarms menu The Display Alarms menu shows the currently enabled and disabled alarms M210566EN F Chapter 4 Operation DISPLAY ALARHS eS bAlarm 2 disable EXIT 0802 069 Figure 44 Display Alarms
57. all junction box mounting 183 7 20 133 5 24 oO s 9 5 0 37 116 4 57 0804 065 Figure 6 Dimensions of the Plastic Mounting Plate mm inch M21 0566EN F Chapter 3 VAISALA Installation Mounting with DIN Rail Installation Kit 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 screws provided in the installation kit 2 Attach the HMT330 to the plastic mounting plate with the 4 screws provided for that purpose 3 Press the transmitter onto the DIN rail so that the clip fasteners snap into the rail 0503 002 Figure 7 Mounting with the DIN Rail Installation Kit 25 User s Guide 26 Pole Installation with Installation Kit for Pole or Pipeline Installation kit for pole 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 on page 27 below 0503 006 Figure 8 Vertical Pole The following numbers refer to Figure 8 1 Fixing brackets 2 pcs M8 provided for 30 102 mm poles 2 Mounting nuts M8 4 pcs 0503 007 Figure 9 Horizontal Pole The following number refers to Figure 9 1 Mounting nuts M8 4 pcs M21 0566EN F C
58. allation kit for the T probe includes flange supporting bar probe attaching part sealing ring and the fixing screws 4 pcs Vaisala order code 215003 75mm I 50 mm In 2 r git f a HEEL Wee B 4 2 x16 DIN7981 T drilling 16 22 mm 135 370 mm 0507 018 Figure 83 Duct Mounting Installation Kit for T Probe The following numbers refer to Figure 83 Duct wall Flange Sealing ring Supporting bar Probe support to be fixed to the supporting bar Retainer bushing to be fixed to the probe support Temperature probe to be fixed to the retainer bushing NYDN Bu nr Il 166 M210566EN F Appendix A Probe Installation Kits and Installation Examples Pressure Tight Swagelok Installation Kits for HMT337 VAISALA 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 SWG12NPT12 80mm Ll NN A J 0508 032 Figure 84 Swagelok Installation Kit for RH probe The following numbers refer to Figure 84 Relative humidity probe Duct connector SO3 8 or NPT1 2 thread Swagelok connector Ferrules Temperature Probe Installation Swagelok installation kit for T probe includes Swagelok connector with either ISO1 8 o
59. an the probe from dirt water ice or other contaminants 5 Temperature measurement Check the integrity of the humidity probe and malfunction the probe cable Clean the probe from dirt water ice or other contaminants 6 Temperature sensor current Check the integrity of the humidity probe and leak the probe cables Clean the probes from dirt water ice or other contaminants 7 Internal ADC read error Internal transmitter failure Remove the transmitter and return the faulty unit to Vaisala Service 8 Additional temperature Check the integrity of the temperature probe sensor short circuit and the probe cable Clean the probe cable from dirt water ice or other contaminants 9 Checksum error in the Internal transmitter failure Remove the internal configuration transmitter and return the faulty unit to Vaisala memory Service 10 Internal EEPROM read Internal transmitter failure Remove the error transmitter and return the faulty unit to Vaisala Service 11 Internal EEPROM write Internal transmitter failure Remove the error transmitter and return the faulty unit to Vaisala Service 12 13 Add on module 1 or 2 Turn off the power and check the module connection failure connection Turn on the power 14 Device internal temperature Ensure that the operating temperature is within out of range the valid range 15 Operating voltage out of Ensure that the operating voltage is within the range valid range 18 Internal ADC referen
60. at Extra heat Extra heat Extra heat gt xheat on Extra heat gt OFF RH temp time 95 90 100 85 30 10 ON 0 100 RH default 95 RH 0 200 C default 100 C 0 255 s default 30 s M210566EN F Chapter 5 Maintenance CHAPTER 5 MAINTENANCE This chapter contains information that is needed in basic maintenance of the product Periodic Maintenance Cleaning Clean the transmitter enclosure 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 sensor with the filter Without the filter in place the sensor is easily damaged handle the probe carefully 3 Install a new filter on the probe When using the stainless steel filter for oil and fuel cell take care to tighten the filter properly recommended force 5 Nm New filters can be ordered from Vaisala see section Options and Accessories on page 158 VAISALA 133 User s Guide Changing the Sensor The user can change the HUMICAP180 HUMICAP180L2 and HUMICAP180R sensors If the transmitter has the chemical purge and or warmed probe option which utilize the HUMICAP180C or HUMICAP180RC sensor the sensor cannot be changed by the user Changing the sensor should be considered corrective maintenance and it is not necessary in normal operation If the a
61. bb bbb where ad aaa Current or voltage value to be set for channel 1 mA or V bb bbb Current or voltage value to be set for channel 2 mA or V Example gt itest 20 5 Chi Td 20 000 mA H 672A Ch2 T 5 000 mA H 34F9 gt itest Chi Td 23 204 C 16 238 mA H FFFE ch2 TIT 3 22 889 C 8 573 mA H 5950 gt 113 User s Guide Analog Output Fault Indication Setting Factory default state for analog outputs during error condition is O V 0 mA Please be careful when selecting the new error value The error state of the transmitter should not cause unexpected problems in process monitoring Use the display keypad to set the analog output fault indication Press any of the arrow buttons to open the MAIN MENU Select Interfaces by pressing the arrow button Select Analog Outputs by pressing the arrow button Select Output 1 2 3 by pressing the arrow button A O Ae a Select Fault indication Press SET to confirm your selection Enter the fault indication value by using the arrow buttons Press OK to confirm your setting This value is outputted if a transmitter error occurs 6 Press EXIT to return to the basic display AERR Use the serial line AERR command to change the error output AERR Example gt aerr Chl error out 0 000V 5 0 Ch2 error out 0 000V 5 0 gt NOTE The error output value must be within a valid range of the output mode NOT
62. be at least 30 C Press OK Press YES to confirm the adjustment Press OK to return to the adjustment menu Press EXIT to close the adjustment mode and return to the basic display 145 User s Guide Using Serial Line 1 Press the ADJ key on the motherboard to open the adjustment mode If using a warmed probe for measuring probe heating will be interrupted when ADJ key is pressed Wait some time for the probe to reach ambient temperature 2 Remove the probe filter and insert the probe into the reference temperature 3 Enter the command CT or CTA for additional T probe and press ENTER CT or for additional T probe CTA 4 Type C and press ENTER a few times to check if the reading is stabilized Let the reading stabilize give the reference temperature after the question mark and press ENTER three times When using two reference temperatures 2 point calibration press ENTER only twice and insert the probe to the second reference 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 C Example 1 point adjustment gt ct T 6 06 Refl c T 6 06 Refl c T 6 06 Refl c T 6 06 Refl c T 6 06 Refl c T S 16 06 Ref1 16 0 Press any key when ready T 16 06 Ref2 OK gt 5 OK indicates that the calibration has succeeded Ente
63. ccuracy of the transmitter does not seem to be within specification it is more likely that the transmitter is in need of calibration and adjustment and not sensor replacement Refer to chapter Calibration and Adjustment on page 139 NOTE When replacing the sensor the new sensor must be of the same type as the old sensor for example HUMICAP180R The sensor type can only be changed at a Vaisala Service Center 1 Remove the filter from the probe See the instructions in section Changing the Probe Filter on page 133 2 Remove the damaged sensor and insert a new one Handle the new sensor by the plastic socket DO NOT TOUCH THE SENSOR PLATE 3 Perform a calibration and adjustment as instructed in section Relative Humidity Adjustment after Sensor Change on page 144 4 Attach a new filter on the probe When using the stainless steel filter take care to tighten the filter properly recommended force 5 Nm D AN 0508 079 Figure 66 Changing the Sensor The following numbers refer to Figure 66 above 1 Pull out the sensor 2 Plastic socket 134 M21 0566EN F Chapter 5 VAISALA Maintenance Error States In error state the quantity 1s not measured and the output is shown as follows Analog channel outputs 0 mA or 0 V you can use the serial line command AERR or display keypad to change this fault indication value see section Analog Output Fault Indication Setting on page 114 T
64. ce Internal transmitter failure Remove the voltage out of range transmitter and return the faulty unit to Vaisala Service 19 Internal analog output Internal transmitter failure Remove the reference voltage out of transmitter and return the faulty unit to Vaisala range Service 20 23 Configuration switches for Check and re set the switches see page 55 analog output 1 2 3 set incorrectly 24 25 EEPROM failure on add on Disconnect the power and check the analog module 1 or 2 output module connection M210566EN F Chapter 5 Maintenance Error Code Error Message Action 26 Communication module Disconnect the power and change the installed in incorrect add on communication module to another module slot module slot 28 29 Unknown incompatible Ensure that the module is compatible with the module installed in add on HMT330 module slot 1 or 2 30 Internal analog voltage out Internal transmitter failure Remove the of range transmitter and return the faulty unit to Vaisala Service 31 Internal system voltage out Internal transmitter failure Remove the of range Technical Support transmitter and return the faulty unit to Vaisala Service For technical questions contact the Vaisala technical support E mail helpdesk vaisala com Fax Return Instructions VAISALA 358 9 8949 2790 If the product needs repair please follow the instructions below to
65. ce humidity after the question mark and press ENTER gt crh RH 11 25 Refi RH 11 25 Refl RH 11 25 Refl RH 11 24 Refi RH c 11 24 Ref1 11 3 Press any key when ready OO OO Now the device is waiting for the high end reference Insert the probe into the measurement hole of the high end reference chamber for example NaCl 75 RH chamber in the humidity calibrator HMK15 Use the adapter fitting for the HMT334 HMT335 HMT337 and HMT338 probes Press any key when ready 143 User s Guide 10 11 12 13 14 Let the probe stabilize for about 30 minutes You can follow the stabilization by typing C and pressing ENTER When stabilized type the high end reference value after the question mark and press ENTER gt crh RH JI REFIL PE RH 11 24 Refl c RH 11 24 Refl 11 3 Press any key when ready RH 75 45 Ref2 c RH S 75 57 Ref2 E RH 757593 Reft2 He RH 7559 Bebe 2 V549 OK gt OK indicates that the adjustment has succeeded and the new calibration coefficients are calculated and stored Enter the adjustment information date and text to the memory of the transmitter see the commands CTEXT and CDATE Press the ADJ button on the motherboard to close the adjustment mode Take the probe out of the reference conditions and replace the filter Relative Humidity Adjustment after Sensor Change 144 Using Display Keypad When
66. 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 WIRELESS NETWORK TYPE v Open unencrypted dii Open WEP 23 WPA PSK TKIP EE WPA PSK CCMP SELECT CANCEL 0802 112 Figure 52 Selecting the Wireless Network Type 7 If you have selected an encrypted network type WEP or WPA you must enter the security key to be used Select the Key passphrase entry and press the Set button Enter the key in the same way as the SSID and press the OK button With the WEP encryption you must enter the encryption key in hexadecimal 10 hexdecimals for 64 bit encryption or 26 hexadecimals for 128 bit encryption A WPA key must be 8 63 ASCII characters 81 User s Guide 82 8 After setting the wireless network parameters press the Exit button in the Wireless Network Settings menu You will be asked to confirm 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 settings If you set an encrypted network 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 encryption or with plain ASCII characters 5 characters for 64 bit encryption or 13 char
67. command SEND addr When several transmitters are connected to the same line each transmitter must be entered an own address in the initial configuration and POLL mode must be used 123 User s Guide 124 INTV Use the INTV command to set the RUN mode output interval INTY n xxx where n 1 255 xxx S MINorH This command sets the RUN mode output interval The time interval is used only when the RUN mode is active For example the output interval is set to 10 minutes gt INTV 10 min Output intrv 10 min gt Setting RUN output interval to zero enables the fastest possible output rate ADDR Addresses are required only for POLL mode see serial line command SMODE on page 99 Use the ADDR command to input the RS 485 transmitter address OPEN aa where aa address 0 99 default 0 Example the transmitter is configured to address 99 gt ADDR Address 2 99 gt M210566EN F Chapter 4 Operation SEND Use the SEND command to output the reading once in POLL mode SEND aa where aa address of the transmitter OPEN 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 transmitter 0 99 CLOSE The CLOSE command switches the transmitter back to the POLL mode Example gt OPEN 2 opens the line
68. commands are presented in section List of Serial Commands on page 87 RS 485 configuration commands SERI ECHO SMODE INTV and ADDR may be entered by using either the service port or RS 422 485 port Also the optional display keypad can be used see section User Port Serial Settings on page 98 SDELAY With the SDELA Y command you can set delay response time for user port RS232 or RS485 or view currently set delay value Value corresponds to tens of milliseconds eg 5 0 050s minimum answer delay The value can be set between 0 254 Example gt sdelay Serial delay 220 20 gt sdelay Serial delay LO SERI Use the SERI command to input RS 485 bus settings SERI b p ds where 122 M210566EN F Chapter 4 VAISALA Operation where b bit rate 300 600 1200 2400 4800 9600 19200 38400 57600 115200 p parity n none e even o odd d databits 7 or 8 s stop bits 1 or 2 ECHO Use the ECHO command to enable disable echo of characters received over the serial line ECHO x where x ON OFF default OFF When using 2 wire connection echo must be always disabled SMODE Use the SMODE command to set the default serial interface mode SMODE xxxx where xxxx STOP RUN or POLL 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 In POLL mode measurements output only with
69. crew so that the connection feels tight 4 Mark both the fitting screw and the nut hex 39 User s Guide 0506 029 Figure 22 HMT344 Probe The following numbers refer to Figure 22 Tightening cone Nut Fitting screw M22x1 5 or NPT 1 2 Sealing washer Probe 012 mm nABRWN ra Il 5 Tighten the nut a further 30 1 12 turn or if you have a torque spanner tighten it with a torque of 80 10 Nm 60 7 ft lbs 0503 034 Figure 23 Tightening the Nut NOTE When re tightening the nut after detachment the nut must be tightened without increased effort 6 Clean and grease the tightening cone of the fitting screw after every tenth detachment Change the sealing washer every time the fitting screw is detached Use high vacuum grease for example Dow Corning or similar grease 40 M21 0566EN F Chapter 3 Installation 0503 033 Figure 24 Cleaning of Tightening Cone The following numbers refer to Figure 24 1 Fitting screw 2 Sealing washer 3 Tightening cone 4 Clean cotton stick CAUTION In pressurized processes it is essential to tighten the supporting nuts and screws very carefully to prevent 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 mbar into the transmitter memory via the serial line see comman
70. d PRES and XPRES on page 96 or by using display keypad HMT335 for High Temperatures HMT333 is installed similarly than the HMT333 probe but without the supporting bar Refer to Appendix A on page 165 for more information on the duct installation kit for HMT335 To avoid incorrect humidity readings the temperature differences between inside and outside of the duct must not be remarkable VAISALA 41 User s Guide HMT337 for High Humidity Applications The HMT337 is for environment where relative humidity is very high near saturation The warmed probe prevents the saturation of the sensor An additional temperature probe is also available See Appendix A on page 163 for a presentation of the following probe installation kits for HMT337 with installation examples Duct mounting kit Cable gland Pressure tight Swagelok 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 available to measure the ambient temperature when the HMT337 with probe warming is used The additional temperature probe allows you to measure other humidity quantities apart from dewpoint and mixing ratio The temperature probe must be connected to the transmitter at the factory Do not cut and re connect the cable yourself You must install the additional temperature probe in the same measu
71. disable the keypad PRES 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 Message from Serial Line Starting Continuous Outputting R Enter the R command to start the continuous output of measurements Example AE RH 60 5 SRH T 23 7 C Tdi 15 6 IC Td 15 6 IG a 13 0 g m3 x 11 1 g kg Tw 18 5 C H20 17889 Dm pw 17 81 hPa pws 29 43 hPa h 52 3 kJ kg dI 8 1 C If a value is too long to fit to the allocated space in the output or if there is an error in outputting the quantity the value is displayed with stars Example RH RH T 31 0 C You can change the format of the output with the following commands 89 User s Guide 90 Outputting interval can be changed with the INTV command Output message 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 Stopping Continuous Outputting S Use the S command to end the RUN mode After this command all other commands can be used You can also press the Esc button or reset the transmitter to stop the outputting See command SMODE to change the default power up operation mode Outputting Reading Once SEND Use the SEND command to output the
72. dling the Product or any equipment thereof c wrong installation or assembly or failure to service the Product or otherwise follow Vaisala s service instructions including any repairs or installation or assembly or service made by unauthorized personnel not approved by Vaisala or replacements with parts not manufactured or supplied by Vaisala d wm modifications or changes of the Product as well as any adding to it without Vaisala s prior authorization e other factors depending on the Customer or a third party Notwithstanding the aforesaid Vaisala s liability under this clause shall not apply to any defects arising out of materials designs or instructions provided by the Customer This warranty is expressly in lieu of and excludes all other conditions warranties and liabilities express or implied whether under law statute or otherwise including without limitation any implied warranties of merchantability or fitness for a particular purpose and all other obligations and liabilities of Vaisala or its representatives with respect to any defect or deficiency applicable to or resulting directly or indirectly from the Products supplied hereunder which obligations and liabilities are hereby expressly cancelled and waived Vaisala s liability shall under no circumstances exceed the invoice price of any Product for which a warranty claim is made nor shall Vaisala in any circumstances be liable for lost profits or other conse
73. e 17 93 User s Guide 94 The modifiers are presented in Table 24 below Table 24 FORM Command Modifiers Modifier Description x y Length modifier number of digits and decimal places t Tabulator Hr Carriage return tn Line feed EN String constant XXX Special character code xxx decimal for example 027 for ESC U5 Unit field and length ADDR Transmitter address with two characters 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 active temperature 159 C S 115 0 purge cooling active temperature 115 C X 95 0 sensor heating active temperature 95 C SN Transmitter serial number TIME Time hh mm ss DATE Date yyyy mm dd OK Pressure stability indicator two characters OK or 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 A3H Pressure tendency or 0 8 Example gt form RH 4 2 rh U5 t T t U3 r n RH 14 98 RH T 74 68 F gt send RH 16 03 RH T 74 66 F gt form Tfrost tdf U3 t Temp t U3 r n Tfrost 36 0 C Temp ALOE gt Command
74. e WLAN Interface Display Alarm feature added General Safety Considerations 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 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 lost NOTE Note highlights important information on using the product 12 M210566EN F Chapter 1 General Information Feedback Vaisala Customer Documentation Team welcomes your comments and suggestions on the quality and usefulness of this publication If you find errors or have other suggestions for improvement please indicate the chapter section and page number You can send comments to us by e mail manuals vaisala com Product Related Safety Precautions The Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT330 delivered to you has been tested for safety and approved as shipped from the factory Note the following precautions WARNING Ground the product and verify outdoor installation grounding periodically to minimize shock hazard CAUTION Do not modify the unit Improper modification can damage the product lead to malfunction or make the product noncompliant with applicable legislation
75. e through the information displays also with arrow buttons Press OK to return to the basic display 2 Use the serial line command to check the current transmitter configuration Command is similar but can also be used if the transmitter is in POLL mode Example gt HMT330 4 03 Serial number B2930015 Batch number B2350091 Adjust date 2006 07 19 Adjust info Helsinki FIN Date 2007 05 30 Time 13413455 Serial mode STOP Baud P D S 4800 E 7 1 M210566EN F Chapter 4 Operation Output interval Address Echo Pressure Filter Chl output Ch2 output Chl RH low Chl RH high Ch2 T low Ch2 T high Module 1 Module 2 gt HELP Os 0 ON 1013 25 hPa OFF 4 20mA 4 20mA 0 00 RH 100 00 RH 40 00 C 60 00 C LOGGER 1 not installed Use the command HELP to list the commands Example gt help ACAL ASCL ASE CRH CT DELETE DIR ERRS FCRH FST FTIME MODS NET R RESET TEST TIME WLAN XPRES gt ERRS ADDR AERR ALSEL CDATE CLOSE CODE CTA CTEXT DATE DSE DSEND ECHO FDATE FILT FORM HELP INTV ITEST OPEN PLAY PRES SEND SERI SMODE UNDELETE UNIT VERS Use the command ERRS to display transmitter error messages see Table 28 on page 136 Example gt ERRS NO ERRORS gt Example gt ERRS FAIL Error measurement mal
76. e reading process temperature dewpoint temperature on the x axis and read the accuracy in dewpoint measurement on the y axis Dewpoint temperature C Accuracy in dewpoint measurement C 0 20 40 60 80 100 Dewpoint difference C 0508 017 Figure 72 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 55 80 C 67 176 F Electromagnetic compatibility EN61326 1 1997 Am1 1998 Am2 2001 Industrial environment 153 User s Guide 154 Inputs and Outputs Operating voltage with optional power supply module Start up time after power up Power consumption 20 C Uin 24VDC RS 232 Uout 2x0 1V 0 5V 0 10V Tout 2 x 0 20 mA display and backlight during sensor purge Analog outputs 2 standard 3rd optional current output voltage output Accuracy of analog outputs at 20 C Temperature dependence of the analog outputs External loads current outputs 0 1V output 0 5V and 0 10V outputs Max wire size Digital outputs Relay outputs optional Display optional Menu languages Mechanics Cable bushing Conduit fitting User cable connector optional option 1 option 2 Probe cable dia
77. e serial port You can set the time by using the keypad display or the serial commands 59 User s Guide 60 0706 068 Figure 37 Data Logger Module The following numbers refer to Figure 37 above 1 Fiat cable pins 2 Battery After a reset or a power up it will usually take at least 10 seconds before the data logger module is initialized The real time clock and the data logging and reading functions are not available before the initialization is complete The indicator LED on the module will blink green during normal operation If the LED is lit in red color there is a problem with the module The transmitter will also indicate the problem by activating the Add on module connection failure error If the module is not operating correctly the transmitter must be sent to Vaisala for maintenance The data logger module must be installed at the factory when ordering the transmitter or by a Vaisala Service Center Once installed the module is automatically used by the transmitter When the module requires a new battery the transmitter must be sent to Vaisala for maintenance M21 0566EN F Chapter 3 Installation 8 Pin Connector 5 GREY GND 6 PINK 4 YEL CH1 7 BLU RX Jeck 3 GRN CH2 1 WHT TX 2 BRN 8 RED NC 0503 026 Figure 38 Wiring of Optional 8 Pin Connector Table 9 Wiring of 8 Pin Connector PIN Terminal Wire Serial Signal Analog Signal RS 232 ElA 232 RS 48
78. ect RUN interval for and press SET to confirm your selection 6 Use the arrow buttons to set the measuring interval and the unit Press OK to confirm your settings ds If you selected POLL communication mode select POLL address and press SET to confirm your selection 8 Use the arrow buttons to set the transmitter address Press OK to confirm the setting 9 Use the arrow buttons to select ECHO Press ON to turn to it on Press OFF to turn it off 10 Press EXIT to return to the basic display The new user port settings set using the display keypad are effective immediately 98 M210566EN F Chapter 4 VAISALA Operation Using Serial Line SERI Use the serial line command SERI b p d s to set communication settings for the user port SERI b pd s where b Bitrate 110 150 300 600 1200 2400 4800 9600 19200 38400 57600 115200 p Parity n none e even o odd d Daa bits 7 or 8 s Stop bits 1 or 2 Example gt SERI 600 N 8 1 600 N 8 1 gt You need to reset the transmitter to activate the new communication settings set with command SERI The settings can be changed one parameter at a time or all parameters at once gt SERI O changing parity only 4800 O 7 1 gt SERI 600 N 8 1 changing all parameters 600 N 8 1 gt SMODE Use the command SMODE to set the user port start up operating mode SMODE xxxx where xxx STOP RUN or POLL 99 User
79. ed 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 Ifthe chemical purge option is available it should be carried out always before calibration To start chemical purge press simultaneously two PURGE push keys on the motherboard for a few seconds Red indicator led flashes with short pulses until purge is complete up to 6 minutes Press the ADJ key to open the adjustment mode 4 Press the ADJ key again to close the adjustment mode VAISALA 139 User s Guide 0508 013 Figure 68 Adjustment and Purge Buttons The following numbers refer to Figure 68 above 1 Indicator led 2 Adjustment button 3 Press the purge buttons simultaneously to start chemical purge if available Adjustment menu is displayed only when ADJ button on the motherboard inside the transmitter is pressed ADJUSTMENT MENU 47 o rAdiust RH measurement djust T measurement Adjust analog outputs i Adjustment info EXIT 0 0706 007 Figure 69 Adjustment Menu Table 29 Indicator Led Functions Indicator Led Function Description LED off adjustment locked LED on adjustment available LED blinking evenly measurement not stabilized LED blinking with short pulses performing chemical purge NOTE If using a warmed probe HMT337 option probe heating will be interrupted when ADJ key
80. eeeeeeeeaees 126 Figure 63 Purge Buttons on Motberboard AAA 128 Figure 64 Chemical Purge Settings cccccccccceeseeeeeeeeeeeeeeeeeeeneeeeees 128 Figure 65 Performing Chemical Pure 129 Figure 66 Changing the Gensor 134 Figure 67 Error Indicator and Error Message sssssssssssseeseseresrressn 135 Figure 68 Adjustment and Purge Buttons 140 Figure 69 Adjustment Mem 140 Figure 70 Selecting Point 1 Reference Type 142 Figure 71 Accuracy over Temperature Hange 150 Figure 72 Accuracy in Dewpoint Measurement 153 Figure 73 Transmitter Body Dimensions ooocccinonninncnnnccccnnonanana canon 160 Figure 74 WLAN Antenna Dimensions A 161 Figure 75 HMT331 Probe Dimensions ieee eee eeeeee teens 161 Figure 76 HMT333 Probe Dimensions oooccccinnnccccnnococcnononancnnnanannnn nana 162 Figure 77 HMT334 Probe Dimensions coococcccnccccnnnonaccnononancnnnnnnncnn nana 162 Figure 78 HMT335 Probe Dimensions ieee eee eee eeeeee teens 163 Figure 79 HMT337 Probe Dimensions cece eee eee eeeeeeteees 163 Figure 80 HMT338 Probe Dimensions cee eee eee eeeeeeeee tees 164 Figure 81 Optional Temperature Probe Dimensions sseesseeeseeeseessen 164 Figure 82 Duct Mounting Installation Kn 165 Figure 83 Duct Mounting Installation Kit for T Probe 166 Figure 84 Swagelok Installation Kit for HH orobe 167 Figure 85 Swagelok Installation Kit for T Probe A 167 Figure 86 Cable Installation with Cable Gland AAA 168 Figure 87 Probe Installation with C
81. end 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 Relative humidity Temp 10 20 30 40 50 60 70 80 90 100 40 186 1 03 0 76 063 055 050 046 043 20 2 18 119 088 0 72 062 0 56 0 51 048 0 251 137 1 00 0 81 0 70 0 63 0 57 0 53 0 50 0 48 20 2 87 156 1 13 092 0 79 0 70 0 64 0 59 0 55 0 53 40 3 24 1 76 1 27 1 03 0 88 0 78 0 71 0 65 0 61 0 58 60 3 60 1 96 142 1 14 097 086 0 78 0 72 0 67 0 64 80 4 01 2 18 158 1 27 1 008 095 0 86 0 79 0 74 0 70 100 442 241 1 74 1 40 119 105 0 95 0 87 0 81 0 76 120 486 266 1 92 1 54 1 31 1 16 1 04 096 0 89 0 84 140 531 2 91 2 10 169 144 126 1 14 1 05 0 97 0 91 160 5 80 3 18 230 1 85 1 57 1 38 1 24 1 14 1 06 0 99 VAISALA 151 User s Guide Accuracy of Mixing Ratio g kg Ambient Pressure 1013 mbar Relative humidity Temp 10 20 30 40 50 60 70 80 90 100 40 0 003 0 003 0 003 0 003 0 003 0 004 0 004 0 004 20 0 017 0 018 0 019 0 021 0 022 0 023 0 025 0 026 0 0 08 0 09 0 09 0 10 0 10 011 011 012 0 13 0 18 20 0 31 0 33 035 037 0 39 0 41 043 045 0 47 0 49 40 0 97 1 03 1 10 1 17 124 1 31 138 146 1 54 1 62 60 2 68 291 3 16 343 3 72 404 438 475 5 15 5 58 80 6 73 7 73 8 92 10 34 12 05 14 14 16 71 19 92 24 01 29 29 100 16 26 21 34 28 89 40 75 60 86 98 85 183 66 438 56 120 40 83 74 66 172 36 Z Accuracy of Wet Bulb Temperature
82. ent and transfer it further to a spreadsheet program such as Microsoft Excel or virtually to any Windows program in numeric or graphical format MI70 Link program allows you also to monitor transmitter readings directly with a PC real time window function Use a MI70 Link version 1 2 or a newer one to be able to utilize all the functions of HMT330 1 Connect your PC to the transmitter using the serial interface LAN interface or the WLAN interface Refer to sections Serial Line Communication on page 72 and LAN Communication on page 76 2 Check that the HMT330 is powered Start the MI70 Link program 4 Ifyou are connecting through the LAN or WLAN interface you must enter the IP address of the transmitter You can check the IP address using the device information display see section Device Information on page 101 If you do not have the display keypad option you can use the NET command on the serial line see section IP Configuration on page 76 If you are connecting through the serial interface the program 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 accessories in section Options and Accessories on page 158 Serial Line Communication 72 Connect the serial interface by using either the user port or the service port For permanent interfacing to host system use t
83. ervals 2006 04 20 00 00 00 540 21 Tdf 12 d intervals 2002 12 16 00 00 00 135 gt 106 M210566EN F Chapter 4 Operation Example without data logger module gt dir File description Oldest data available No of points 1 RH 10 s intervals 2008 04 11 23 41 10 135 2 RH 90 s intervals 2008 04 11 20 41 11 135 3 RH 12 min intervals 2008 04 10 21 03 41 135 4 RH 2 h intervals 2008 03 31 18 03 41 135 5 RH 12 h intervals 2008 02 04 12 03 41 135 6 RH 3 d intervals 2007 03 04 00 03 41 135 7 7 10 s intervals 2008 04 11 23 41 11 135 8 T 90 s intervals 2008 04 11 20 41 11 135 9a E 12 min intervals 2008 04 10 21 03 41 135 10 P 2 h intervals 2008 03 31 18 03 41 135 a E 12 h intervals 2008 02 04 12 03 41 135 TZ rd 3 d intervals 2007 03 04 00 03 41 135 13 Taf 10 s intervals 2008 04 11 23 41 11 135 14 Tdf 90 s intervals 2008 04 11 20 41 11 135 15 Tdf 12 min intervals 2008 04 10 21 03 41 135 16 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 1 35 gt PLAY Use the 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 lt TAB gt delimited This is compatible with most spreadsheet programs Before giving the command set the local date and time with TIME and DATE commands if needed PLAY
84. eters A m and T depend on temperature according to the following table t A m Tn lt 0 C 6 1134 9 7911 273 47 0 50 C 6 1078 7 5000 237 3 50 100 C 5 9987 7 3313 229 1 100 150 C 5 8493 7 2756 225 0 150 180 C 6 2301 7 3033 230 0 1 Used for frostpoint calculation if the dewpoint is negative VAISALA 175 User s Guide 176 Mixing ratio P x 621 99 2 p P Absolute humidity EEG 3 T Enthalpy h f 273 15 1 01 0 00189 x 2 5 x 4 The water vapor saturation pressure Pws is calculated by using two equations 5 and 6 3 T CT 5 i o where T temperature in K C coefficients Co 0 4931358 C 0 46094296 10 2 C2 0 13746454 10 4 C3 0 12743214 10 7 3 D 1 InP b 0 b 1n0 6 i 1 where bj coefficients b j 0 58002206 104 bg 0 13914993 10 M210566EN F Appendix B Calculation Formulas where bj 0 48640239 10 1 b gt 0 41764768 10 4 b3 0 14452093 10 7 bg 6 5459673 The water vapor pressure is calculated using P RH 8 H Parts per million by volume is calculated using P ppm 10 2g 8 p E7 A Symbols Ta dewpoint temperature C w water vapor pressure hPa Pws water vapor saturation pressure hPa RH relative humidity x mixingratio g kg p atmospheric pressure hPa A absolute humidity g m3 T temperature K h en
85. evice This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there 1s no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help Transmitters with WLAN Interface This device has been designed 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 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 is not more than that permitted for successful communication This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme a la norme NMB 003 du Canada M210566EN F
86. f the LAN interface see section Device Information on page 101 0709 003 Figure 35 LAN Interface Module The following numbers refer to Figure 35 above 1 Flat cable connector 2 RJ45 connector with indicator LEDs for link and activity WLAN Interface The optional WLAN interface enables a wireless Ethernet connection IEEE 802 11b to the transmitter The interface supports Wired Equivalent Privacy WEP and Wi Fi Protected Access WPA For WEP 64 and 128 bit encryption is supported with open system or shared key authentication WPA is used in the Pre Shared Key PSK mode with either TKIP or CCMP protocol The WLAN interface provides the same capabilities as the serial connection The user can connect to the transmitter using the MI70 Link software or by using a telnet client program such as 57 User s Guide 58 Hyperterminal When the WLAN Interface is in use serial communication using the User Port is disabled Similarly to the LAN Interface the WLAN interface can use both static and dynamic network settings If the interface is configured to use dynamic settings the network where the WLAN interface is connected must have a DHCP server that provides the settings The WLAN interface also provides a web configuration interface which you can access by entering the IP address of the WLAN interface in the address field of a web browser 0802 103 Figure 36 WLAN Interface Module The following nu
87. face Menu The Network Interface menu also allows you to enable or disable the Web configuration option or Disconnect all users that are currently accessing the LAN or WLAN interface 5 In the IP 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 IP CONFIGURATION v Automatic conf DHCP IP addr 172 25 100 17 Netmsk 255 255 0 0 Gatew 172 25 0 1 MAC 00 40 9d 2a f a 60 OFF EXIT 0709 004 Figure 49 IP Configuration Menu To enter a value manually use the the A Y arrow buttons to select the parameter to change and press Change A cursor will appear in the first digit Move the cursor using the arrow buttons and change the value under the cursor using the A Y arrow buttons Confirm the selection by pressing OK 6 After configuring the desired parameters press EXIT to return to the basic display Using Serial Line Use the serial line command NET to view or set the network settings for the LAN and WLAN interfaces You can also refresh the network information or disconnect all active connections M210566EN F Chapter 4 Operation NET REFRESH DISCONNECT DHCP WEB DHCP IP SUBNET GATEWAY WEB where REFRESH Updates the network information and displays it DISCONNECT DHCP WEB IP SUBNET GATEWAY Examples gt net refresh OK DHCP I
88. follow dewpoint One setpoint is chosen for all the outputs gt rsel rh t td td Rell RH above 60 00 SRH 70 Rell RH below 70 00 RH Rell RH hyst 2 00 RH 2 Rell RH enabl ON on Rel2 T above 50 00 C 60 Rel2 T below 40 00 C Rel2 T hy st 2 27100 SEs 22 2 Rel2 T enabl ON on Rel3 Td above 5 00 C 10 Rel3 Td below 0 00 C Rel3 Td bet i 100 Cc 21 Rel3 Td enabl OFF on Rel4 Td above 0 00 C 20 Rel4 Td below 0 00 C Rel4 Td hyst 0 00 C 2 4 Rel gt Td enabl OFF on Example of using relay 1 as fault alarm selecting relay 1 to follow the fault status and relay 2 to follow the temperature measurement gt rsel fault t Rell FAUL above Rell FAUL below Rell FAUL hyst Rell FAUL enabl ON Rel2 T above 0 00 C 30 Rel2 T below 0 00 C Rel2 T hyst 0 00 C 2 Rel2 T enabl OFF ON gt 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 button to activate the corresponding relay Relay is activated led is lit Relay is not activated led is not lit M210566EN F Chapter 4 Operation Use the display keypad to test the operation of relays Open the MAIN MENU by pressing any of the arrow buttons Select System press the gt arrow button Select Diagnostics press the arrow button Se
89. formation on page 101 Table 15 Wireless LAN Settings Parameter SSID Description 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 network The options are OPEN OPEN WEP WPA PSK TKIP WPA PSK CCMP All other choices except OPEN require a security key see below Security key Using Display Keypad The encryption key or passphrase that is used with an encrypted network You can configure the Wireless LAN settings using the display keypad as follows 1 Press any of the arrow buttons to open the MAIN MENU De Press the arrow button to select Interfaces Press the arrow button to select Network settings There will be a delay as the transmitter refreshes the network information 4 Press the gt arrow button to select Wireless LAN settings M210566EN F Chapter 4 VAISALA Operation WIRELESS LAN SETTINGS Type Open unencrypte E Key passphrase EXIT 0802 111 Figure 50 Wireless LAN Settings 5 The Name entry on the page shows the SSID of the currently selected wireless network To change the SSID press the SET button Use the A Y arrow buttons to change the character under the cursor and lt gt arrow buttons to more the cursor Press the OK button when done Enter network name SSID CANCEL 0802 110 Figure 51 Entering Network SSID 6 To
90. function Error gt VAISALA Temperatur Humidity sensor open circuit 103 User s Guide 104 VERS Use the command VERS to display software version information Example gt vers HMT330 5 00 gt Resetting Transmitter Using Serial Line RESET This command resets the device The user port switches to start up output mode selected with command SMODE Locking Menu Keypad by Using Serial Line LOCK Use the LOCK command to prevent 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 enter the code when trying to access the menu Entering the code correctly will disable the lock until the user returns back to the basic view LOCK x Lyyyy where D 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 PIN code The code can only be set when keypad locking level is 1 M210566EN F Chapter 4 Operation Examples gt lock 1 4444 Keyboard lock 1 4444 gt gt lock 1 Keyboard lock 1 gt Data Recording VAISALA Data recording function is always on and collects data automatically into the memory of the device If the optional data logger module is installed the transmitter uses it automatical
91. g body to the ball valve and tighten it Slide the clasp nut of the probe toward the filter as far as it will go Insert the probe to the fitting body and manually tighten the clasp nut to the fitting body Open the ball valve Push the probe through the ball valve assembly into the process If the pressure is high use the pressing handle that is provided with the probe If you push the probe hard without using the handle you may damage the cable Note that the probe must be pushed so deep that the filter is completely inside the process flow Mark the fitting screw and the clasp nut Tighten the clasp nut with a fork spanner a further 50 60 ca 1 6 turn If you have a suitable torque spanner tighten the nut to max 45 5 Nm 33 4 ft lbs Refer to Figure 27 on page 44 173 User s Guide NOTE Take care not to tighten the clasp nut more than 60 to avoid difficulties when opening it If you wish to remove the probe from the process note that you have to pull the probe out far enough You cannot close the valve if the groove on the probe body is not visible 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 measurements for meteorological purposes For more information see HMT330MIK brochure and order form Radiation shield options DT
92. h Metal Wall Mounting Plate eee 27 Dimensions of the Metal Mounting Plate mm inch 27 Mounting the Rain Shield with the Installation Kit 28 Panel Mounting Frame ooccccconococononocccinonancccnnn noc cc nn cnc 29 Panel Mounting Dimensions MM inch 0occcncccncicnnnaccnancccnannas 29 Gable B SHINOS vos ii catan 30 Grounding the Screen of Electrical Cable nnnssnnnnnaennnaneee 31 Screw Terminal Block on Moiberboard 33 Connections to 24 VAC Power Guppiy 35 Measurement Error at 100 OCH 36 Horizontal Mounting Of PrOD8 ooonccccnnnccinoccnoncccconcccnonananonnnnn nos 37 Vertical Mounting Of Probe oooonncccnccccnocconocacancccnannnnnnannnancnnnns 38 HMT344 Probe coococccoccccconcconoccnnncncnonn corn nc nono cnn cnc 40 Tightening the NUT serosa eera rA ER 40 Cleaning of Tightening Come 41 HMT338 Pr bna iona aaiae aaa nan cnn nc 43 Sealing of Fitting Body into Process oooonncccnccononicnnconccancccnns 43 Tightening the ClaepNut 44 Power Supply Module 45 Galvanic Output Isolation Module c ccccesssseeesesteeeeeeees 50 Third Analog Output 50 Third analog output selection ooooocccconnccccnnnoccccnnnancccnnnancnnninnna 51 Relay Module seiere EEE ETA 53 SN simeristino aianei 54 4 Wire RS 485 BUS c cooococonococoncccconcccnonano nn cc nnnncnrnnc crac 55 LAN Interface Module 57 WLAN Interface Module oooconccccnncccicccconnoccnnncccnonccnnncnnannncnnnncno 58 Data
93. hapter 3 Installation Metal mounting plate is included in rain shield with installation kit and installation kit for pole or pipeline 0503 041 Figure 10 Mounting with Metal Wall Mounting Plate The following numbers refer to Figure 10 1 Mount the plate to wall with 4 screws M8 not provided 2 Attach the HMT330 to the mounting plate with 4 fixing screws M6 provided 3 Note the position of the arrow when mounting This side must be up when mounting 237 9 33 200 7 87 133 5 24 110 4 33 38 1 50 15 0 60 85 033 gt 179 7 05 110 4 33 0509 151 Figure 11 Dimensions of the Metal Mounting Plate mm inch VAISALA 27 User s Guide 28 Mounting Rain Shield with Installation Kit 0503 008 Figure 12 Mounting the Rain Shield with the Installation Kit The following numbers refer to Figure 12 1 Assemble the rain shield with the installation kit Vaisala order code 215109 to the metal mounting plate with 2 M6 mounting screws provided 2 Assemble the mounting plate with rain shield with installation kit to the wall or to the pole see pole installation 3 Assemble the HMT330 to 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 order code 216038 The frame i
94. he analog output quantities SL en te E Press any of the arrow buttons to open the MAIN MENU Select Interfaces by pressing the arrow button Select Analog outputs by pressing the arrow button Select Output 1 2 3 by pressing the arrow button Select Quantity by pressing the A Y arrow buttons Confirm your selection by pressing CHANGE 6 Select the quantity by using the arrow buttons Press SELECT to confirm your selection 111 User s Guide 112 7 Select Scale lower limit by pressing the A V arrow buttons Press SET to confirm your selection Press OK to confirm your setting 8 Select the upper limit by pressing the A W arrow buttons Use the arrow buttons to set the upper limit value Press SET to confirm your selection Press OK to confirm your setting 9 Press EXIT to return to the basic display AMODE ASEL Use the serial line to select and scale the analog output quantities Connect the transmitter to the PC Open the terminal connection between your PC and the transmitter 1 Check the analog output modes with the AMODE command Example gt amode Chl output Qe LN Ch2 output PO EV gt 2 Select and scale the quantities for the analog outputs with the command ASEL Note that the optional quantities can be selected only if they have been selected when ordering the device ASEL xxx yyy zzz where XXX Quantity of channel 1 yyy Quantity of channel 2 zzz Quantity
95. he serial port outputs stars The cover LED is blinking Optional display error indicator is lit ZG ERROR past unacknowledged Humidity sensor measurement malfunction 0 IEA Ia 0706 008 Figure 67 Error Indicator and Error Message The following number refers to Figure 67 above 1 Error Indicator The error indicator disappears when the error state is over and you have checked the error message Press the INFO button to display the error message You can also check the error message via the serial interface by using the command ERRS In case of constant error please contact Vaisala see Vaisala Service Centers on page 138 135 User s Guide 136 Table 28 Error Messages Error Code Error Message Action 0 Humidity sensor Check the integrity of the humidity probe and measurement malfunction the probe cable Clean the probe from dirt water ice or other contaminants 1 Humidity sensor short circuit Check the integrity of the humidity probe and the probe cable Clean the probe from dirt water ice or other contaminants 2 Humidity sensor open circuit Check the integrity of the humidity probe and the probe cable 3 Temperature sensor open Check the integrity of the humidity probe and circuit the probe cable 4 Temperature sensor short Check the integrity of the humidity probe and circuit the probe cable Cle
96. he user port You can change the serial settings and operate in RUN STOP and POLL modes For temporary connections use the service port The service port is always available with fixed serial settings M210566EN F Chapter 4 VAISALA Operation 0605 039 Figure 46 Service Port Connector and User Port Terminal on Mother Board The following numbers refer to Figure 46 above 1 Service port connector 2 User port terminals User Port Connection Use a suitable serial cable between the user port RxD GND and TxD screw terminals and the PC serial port see Figure 47 on page 74 Table 12 Default Serial Communication Settings for the User Port Parameter Value Bauds 4800 Parity Even Data bits 7 Stop bits 1 Flow control None 73 User s Guide POWER 10 36 V 24 V USER PORT RS 232 bas Le Z fo I ES D Chi Chi Ch2 Ch2 ANALOG OUTPUTS 0506 033 Figure 47 Connection 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 After power up the transmitter in STOP mode outputs the software version and the command prompt HMT330 5 00 gt In RUN mode a measurement output starts immediately after power up In POLL mode the transmitter does not output anything after power up see section SMODE on page 123
97. here x ON or OFF default Example gt fst on Form status ON gt send N O RH 40 1 SRH T 24 0 C Td 9 7 C Tdf 9 7 C a 8 7 g m3 x eS g kg Tw 15 6 C ppm 11980 pw 12 00 hPa pws 29 91 hPa h 43 2 kJ kg gt purge Purge started press any key to abort gt send S 134 RH 40 2 SRH 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 10 hPa pws 30 11 hPa h 43 5 kJ kg gt For more information on chemical purge see section Chemical Purge Optional on page 126 Where the state of the probe is indicated by the following letters and values IN xxx Normal operation where h xxx Probe heat power IX xxx Sensor heating Where xxx E Sensor temperature C H xxx Chemical purge where xxx Sensor temperature C S xxx Sensor cooling where xxx Sensor temperature C after purge General Settings Changing Quantities and Units To change quantities and units use serial commands or the optional display keypad See Table 2 on page 17 for available quantities and Table 3 on page 18 for optional quantities NOTE Only the quantities selected when ordering the device can be selected as a display output quantity 92 Using Display Keypad Use display keypad to select the display output quantities 1 Dress any of the arrow buttons to open the MAIN MENU M210566EN F Chapter 4 Ope
98. ignal powering 8 11 mm 2 Cable for optional module 8 11 mm 3 Cable for optional power supply module 8 11 mm NOTE When there 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 other cables 30 M21 0566EN F Chapter 3 VAISALA Installation Grounding the Cables Ground the screen of the electrical cable properly to achieve the best possible EMC performance Fig 1 TRI Ny SNS N MS 7 y J Xx Fig 3 SAN gt j 0504 049 Figure 16 Grounding the Screen of Electrical Cable 31 User s Guide 32 1 Cut back outer sheath to desired length 2 Cut back screen braiding or screen foil to dimension X see figure 3 3 Push the domed cap nut item 1 and the seal insert with contact socket of the gland item 2 3 onto the cable as shown in the diagram 4 Bend over the screen braiding or screen foil by about 90 item 4 5 Push the seal insert with the contact socket of the gland item 2 3 up to the screen braiding or screen foil 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 domed cap nut item 1 onto the lower part item 5 Grounding the Transmitter Housing In case
99. ion 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 years 12 days The quantities that are logged are the same that have been selected for measurement using the display keypad or the serial line When taking the transmitter into use verify that the desired quantities are selected If you change the quantities later the transmitter will start logging the new quantities and stop logging the quantities that are no longer selected Changing the quantities does not delete any measurement data that is already in memory The data logger module has a real time clock with a battery back up The clock has been set to the Coordinated Universal Time UTC at the factory and its time cannot be set by the user The data that is stored in the logger s memory is timestamped using the logger s clock When date and time are set on the transmitter they are stored to the transmitter s memory as an offset from the time on the logger s clock When browsing the stored data the time offset is applied to the timestamps shown in the graphical history and data outputted from the serial port The timestamps in the data logger s memory remain as they were originally stored You can compensate for the clock drift less than 2 min year by setting the time on the transmitter This updates the time offset used on the display and th
100. itter Body Dimensions 160 M210566EN F Chapter 7 VAISALA Technical Data 183 7 20 116 4 57 106 4 17 0804 035 Figure 74 WLAN Antenna Dimensions HMT331 12 0 47 0508 030 Figure 75 HMT331 Probe Dimensions 161 User s Guide 162 HMT333 G12 0 47 37 5 1 48 M9X1 78 5 3 09 98 5 3 88 Figure 76 HMT334 zro ZL 41 1 61 0804 060 HMT333 Probe Dimensions wcll LAN 10 FIXZZMN 120 4 72 l 170 6 69 ar Figure 77 0804 059 HMT334 Probe Dimensions M210566EN F Chapter 7 Technical Data HMT335 e 8 z e e geg co S 8 ks a K E D N f h S Va 41 1 61 N Ll BW fi 27 1 06 2 0 08 192 7 56 242 9 53 0508 020 Figure 78 HMT335 Probe Dimensions The flange is available as an option for the HMT335 probe HMT337 M9x1 37 5 1 48 79 5 3 13 99 5 3 92 e 0804 061 Figure 79 HMT337 Probe Dimensions VAISALA 163 User s Guide 164 HMT338 41 1 61 R 2 ISO 7 1 or NPT 13 5 0 53 41 149 371 1 61 5 87 14 6 194 416 7 64 16 4
101. lect Relay tests press the arrow button OSA DL Select Invert relay 1 press TEST Now the selected relay output is forced to opposite state Press OK to return to normal operation 6 Press EXIT to return to the basic display RTEST Use the serial line command RTEST to test the operation of the relays RTEST x1 x2 x3 x4 where x ON OFF Example Activate and then release all four relays gt rtest on on on on ON ON ON ON gt gt rtest off off off off OFF OFF OFF OFE gt Enter the command RTEST without parameters to stop testing Operation of the RS 485 Module VAISALA The RS 485 interface enables communication between RS 485 network and HMT330 transmitter The RS 485 interface is isolated and offers a maximum communications rate of 115 200 bits s For maximum bus length of 1 km use bit rate 19200 b s or less 121 User s Guide When selecting an RS 232 RS 485 converter for the network avoid self powered converters as they don t necessarily support the needed power consumption Echo function shall be always disabled OFF when using the 2 wire connection When using the 4 wire connection you can disable enable the echo setting NOTE User port on HMT330 main board cannot be used and connected when RS 485 module is connected Service port is operating normally Networking Commands Set the RS 422 485 interface by using the following commands The other serial line
102. ltem code MODULES Relay Module RELAY 1 Analog Output Module AOUT 1 Isolated RS485 Module RS485 1 Power Supply Module POWER 1 Galvanic Isolation Module DCDC 1 SENSORS HUMICAP 180 HUMICAP 180 HUMICAP180L2 HUMICAP180L2 HUMICAP180R HUMICAP180R PT100 Sensor 10429SP FILTERS PPS Plastic Grid with Stainless Steel DRW010281SP Netting PPS Plastic Grid Filter DRW010276SP Sintered Filter AISI 316L HM47280SP Stainless Steel Filter HM47453SP Stainless Steel Filter with Membrane 214848SP TRANSMITTER MOUNTING ACCESSORIES Wall Mounting Kit 214829 Installation Kit for Pole or Pipeline 215108 Rain Shield with Installation Kit 215109 DIN Rail Clips with 215094 Installation Plate Meteorological Installation Kit HMT330MIK Panel Mounting Frame 216038 PROBE MOUNTING ACCESSORIES HMT334 Fitting Body M22x1 5 17223SP Fitting Body NPT1 2 17225SP HMT335 Mounting Flange For HMT335 210696 HMT337 Swagelok for 12mm Probe 3 8 ISO SWG121S038 Thread Swagelok for 12mm Probe 1 2 ISO SWG12IS5012 Thread Swagelok for 12mm Probe 1 2 NPT SWG12NPT12 Thread Swagelok for 6mm Probe 1 2 ISO SWG6ISO12 Thread Swagelok for 6mm Probe 1 8 ISO SWG6ISO18 Thread Swagelok for 6mm Probe 1 8 NPT SWG6NPT18 Thread Cable Gland M20x1 5 with Split Seal HMP247CG Duct Installation Kit for HMT333 and 210697 HMT337 M210566EN F Chapter 7 VAISALA
103. ly 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 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 quantities are always those selected for the display Up to three quantities can be recorded at a time For instructions on how to select the display quantities with the keypad see section Changing Quantities and Units on page 92 DSEL Use the serial line command DSEL to select the quantities to be recorded if the transmitter is not equipped with display keypad DSEL xxx where xxx Data recording quantity See Table 2 on page 17 and Table 3 on page 18 for the quantities Example gt dsel rh t tdf RH T Tdf gt Enter the command without parameters and press ENTER to display the current recording parameters 105 User s Guide View Recorded Data If the device is provided with the optional display the graphical display shows the data of the selected quantities one at a time See section Graphic History on page 64 for details about graphical display You may also dump the logged data to the serial line in numeric form with the following commands DIR Use the serial line and enter the DIR command to check the available files Without the data l
104. mbers refer to Figure 36 above 1 Flat cable connector 2 Connector for antenna cable connected to transmitter cover Attaching the WLAN Antenna The LAN interface module must be installed at the factory when ordering the transmitter or by a Vaisala Service Center Before taking the transmitter into use the user must attach the antenna of the WLAN interface into the RP SMA connector on the transmitter cover The location of the antenna is shown in Figure 74 on page 161 Data Logger Module The optional data logger module extends the data storage for the measurement data When the data logger is present this storage is automatically used by the transmitter The stored data can be browsed M21 0566EN F Chapter 3 VAISALA Installation using the optional display module and accessed through the serial connections See sections Graphic History on page 64 and Data Recording on page 105 The data logger module contains non volatile flash memory providing 4 years 5 months of storage 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 stores the minimum and maximum values during the interval as well a data trend value that is averaged from samples taken during the interval see Table 8 on page 59 Table 8 Observartion Periods and Resolution Observat
105. meter HMT333 80 C Other probes Probe cable lengths Probe tube material HMT331 Other probes Housing material Housing classification 10 35 VDC 24 VAC 100 240 VAC 50 60 Hz 3s max 25 mA max 25 mA max 60 mA 20 mA 110 mA max 0 20 mA 4 20 mA 0 1V 0 5V 0 10V 0 05 full scale 0 005 C full scale RL lt 500 ohm RL gt 2 kohm RL gt 10 kohm 0 5 mm2 AWG 20 stranded wires recommended RS 232 RS 485 optional 0 5 A 250 VAC SPDT LCD with backlight graphic trend display English French Spanish German Japanese Russian Swedish Finnish Chinese M20x1 5 for cable diameter 8 11mm 0 31 0 43 1 2 NPT M12 series 8 pin male with plug female with 5 m 16 4 ft black cable with plug female with screw terminals 6 0 mm 5 5 mm 2m 5mor 10m Chromed ABS plastic AISI 316L G AISi 10 Mg DIN 1725 IP 65 NEMA 4 M21 0566EN F Chapter 7 VAISALA Technical Data Transmitter Weight Table 31 Transmitter Weight in kg Ib Probe Type Probe Cable Length 2m 5m 10m HMT333 1 1 2 4 1 2 2 6 1 5 3 3 HMT334 1 4 3 1 1 6 3 5 1 9 4 2 HMT335 1 3 2 9 1 4 3 1 1 7 3 7 HMT337 1 2 2 6 1 3 2 9 1 5 3 3 HMT338 178 mm 1 3 2 9 1 5 3 3 1 7 3 7 HMT338 400 mm 1 4 3 1 1 6 3 5 1 9 4 2 Technical Specifications of Optional Modules Power Supply Module Operating voltage Connections Bushing Operating temperature Storage temperature
106. min average Use display keypad to set the filtering level 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Measuring by pressing the gt arrow button 3 Select Filtering and press CHANGE to confirm your selection 4 Select Off Standard Extended and press SELECT to confirm your selection 5 Press EXIT to return to the basic display FILT Use the serial line command FILT xxx to set the filtering level FILT xxx where xxx OFF ON or EXT default OFF Device Information Use the display keypad or the serial line to display the device information Press the INFO button in the basic display to see the following information 101 User s Guide 102 Current sensor operation for example chemical purge if any in progress Present or past unacknowledged errors if any Device information Adjustment information fed by the user Measuring settings Information on chemical purge settings when applicable Display Alarm settings Serial interface information Network settings and status of the LAN and WLAN interfaces Analog output information Relay output information when applicable SERIAL INTERFACE Port type RS 232 4800 b s 7E 1 Comm mode STOP Echo is on 0706 002 Figure 57 Device Information on Display Proceed in the information views by pressing the MORE button as many times as you get the desired information You can brows
107. minal 46 M210566EN F Chapter 3 VAISALA Installation Warnings Dieses Produkt entspricht der Niederspannungsrichtlinie 73 23 EWG Das Netzmodul darf nur von einem dazu befugten Elektriker angeschlossen werden Trennen Sie das Netzmodul nicht vom Messwertgeber wenn der Strom eingeschaltet ist Verbinden Sie das Netzmodul nur mit der Spannungsquelle wenn es im Messwertgeber HMT330 montiert ist Das Erdungskabel muss zum Schutz immer angeschlossen sein Ce produit est conforme a la Directive relative 4 la Basse Tension 73 23 EEC Seul un lectricien comp tent est habilit raccorder le module d alimentation au secteur Ne pas d tacher le module 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 HMT330 Toujours raccorder un bornier de protection 4 la terre T m tuote on pienj nnitedirektiivin 73 23 EEC mukainen Vaihtovirtaliitinn n saa kytke tehonsy tt moduuliin ainoastaan valtuutettu s hk asentaja l irrota tehonsy tt moduulia l hettimest kun virta on kytkettyn l kytke verkkovirtaa tehonsy tt moduuliin jos kyseist moduulia ei ole asennettu HMT330 l hettimeen Kytke aina maadoitusliittimet Denna produkt uppfyller kraven i direktivet om l gsp nning 73 23 EEC N tanslutningen v xelstr msanslutningen f r bara anslutas till s
108. mpensation and press the arrow button to confirm you selection 4 Press SET and enter the pressure value in the chosen unit by using the arrow buttons 5 Press OK and EXIT to return to the basic display 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 0 last value set with PRES is used instead Use the serial line and do the following PRES aaaa a XPRES aaaa a where aaaa a Absolute process pressure hPa Example gt pres Pressure 1013 00 hPa gt pres 2000 Pressure 2000 00 hPa gt Table 25 Multiplication Factors From To hPa mbar 1 Pa N m2 0 01 mmHg torr 1 333224 inHg 33 86388 mmH20 0 09806650 inH20 2 490889 atm 1013 25 at 980 665 bar 1000 psia 68 94757 1 psia psi absolute Example 29 9213 inHg 29 9213 x 33 86388 1013 25 hPa M210566EN F Chapter 4 Operation 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 MAIN MENU 2 Select System and press the arrow button to confirm your selection Select Date and time and press the arrow button 4 Press the SET button to enter the adjustment mode and use the arrow buttons to select and change the values 5 You can als
109. n l csatlakoztasson f ldel v dd kapcsot Sis produktas atitinka direktyv d l emos tampos prietais 73 23 EB Elektros tinkl su energijos tiekimo moduliu sujungti gali tik galiotas elektrikas Niekada nei imkite energijos tiekimo modulio i si stuvo kai maitinimas yra jungtas Jei energijos tiekimo modulis n ra montuotas HMT330 si stuve nejunkite jo elektros tinkl Visada prijunkite prie apsaugin 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 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 spemia wymogi Dyrektywy niskonapi ciowej 73 23 EEC Napi cie zasilaj ce powinno zosta pod czone do modu u zasilacza tylko przez wykwalifikowanego elektryka Nie wolno od cza modu u zasilacza od nadajnika kiedy zasilanie jest w czone Nie wolno pod cza napi cia zasilaj cego do modu u zasilacza kiedy nie jest on zamontowany w nadajniku HMT330 Zawsze nale y pod cza zabezpieczaj cy zacisk uziemiajacy Tento v robek vyhovuje Sm rnici pro n zk nap t 73 23 EEC VAISALA P ipojen s ov ho nap jen k nap jec mu modulu sm prov d t pouze opr vn
110. n in a display 5 Press EXIT to return to the basic display Returning to the menu is possible only by entering the correct PIN code When you want to turn off the PIN lock go to the menu by giving the PIN code and select System Menu PIN press OFF button In case you have forgotten the PIN code open the transmitter cover and press the ADJ button once Wait for a few seconds and the adjustment menu opens Select Clear menu PIN press CLEAR NOTE You can also disable the keypad completely with serial command LOCK VAISALA Factory Settings Use the display keypad to restore the factory settings This operation does not affect the adjustments Only settings available in the menus are restored 1 Press any of the arrow buttons to open the MAIN MENU 2 Select System by pressing the arrow button Select Factory settings and press the REVERT button to confirm your selection Press the YES button to reset all settings to the factory defaults See section General Settings on page 92 for a description of the other menu options 69 User s Guide 70 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 configurable low and high limit Each alarm also has a configurable hysteresis value to prevent unnecessary triggering when the measurement fluctuates around an
111. n the motherboard inside the transmitter for a few seconds Indicator led flashes until purge is complete up to 6 minutes O sr 0508 011 Figure 63 Purge Buttons on Motherboard Using Display Keypad Optional Set the automatic and manual chemical purge by using the display keypad 1 Open the MAIN MENU by pressing any of the V A lt P arrow buttons 2 Select Measuring press button 3 Select Chemical purge press button CHEMICAL PURGE Automatic purge Interval 10 h ii Start u urge ul purse START EXIT 0706 006 Figure 64 Chemical Purge Settings M210566EN F Chapter 4 VAISALA Operation Turn on off the automatic purge by selecting Automatic purge press gt ON OFF button Set the automatic purge interval by selecting Interval press SET Set the purge interval and the unit hour day by using the arrow buttons The interval must be 1 hour 10 days Press OK Select Start up purge by using the arrow buttons Press On Off to turn the start up purge on off Start manual purge by selecting Manual purge and pressing START 4 Press EXIT to return to the basic display CHEMICAL PURGE A Chemical purge in progress F CANCEL 0706 004 Figure 65 Performing Chemical Purge Using Serial Line PURGE Enter the PURGE command to start chemical purge immediately gt purge Purge started press any key to abort gt The prompt
112. n validity information for the output value NOTE If transmitter loses its power all status based relays are released similarly to the case of an instrument failure VAISALA 117 User s Guide Enabling Disabling Relays You can deactivate the relay outputs for example for service purposes of your system Setting Relay Outputs NOTE When having only one relay module installed its relays are called relay 1 and relay 2 When having two relay modules the relays of the module connected to slot MODULE 1 are called relay 1 and relay 2 and relays connected to slot MODULE 2 are called relay 3 and relay 4 118 26 6 7 23 5 3 2 AA 12 om um 0706 003 Figure 61 Relay Indicators on Display The following number refers to Figure 61 above 1 Lists enabled relays Activation state shown in black Disabled relays are not shown Use the display keypad to set the relay outputs 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Interfaces confirm by pressing the gt arrow button 3 Select Relay outputs confirm by pressing the arrow button 4 Select Relay 1 2 3 4 confirm by pressing the arrow button 5 Select the Quantity confirm 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 you want
113. ne 0507 043 Figure 92 Installing the HMT338 Probe Through a Ball Valve Assembly The following numbers refer to Figure 92 Manual press tool Handle of the ball valve Probe Process chamber or pipeline Groove on the probe indicates the upper adjustment limit Filter Ball of the ball valve Fitting screw GO Du un Il 172 M210566EN F Appendix A Probe Installation Kits and Installation Examples NOTE The probe can be installed in the process through the ball valve assembly provided that the process pressure is less than 10 bars This way the process does not have to be shut down when installing or removing the probe However if the process is shut down before removing the probe the process pressure can be max 20 bars NOTE When measuring temperature dependent quantities make sure that the temperature at the measurement point is equal to that of the process otherwise the moisture reading may be incorrect VAISALA Follow the steps below to install the HMT338 probe through a ball valve assembly After the installation the probe should be sitting in the process chamber or pipeline as shown in Figure 92 on page 172 1 10 Shut down the process if the process pressure is more than 10 bars If the pressure is lower there is no need to shut down the process Close the ball valve Seal the threads on the fitting body refer to Figure 26 on page 43 Attach the fittin
114. neral Instructions for Probes with a Cable 37 HMT333 for Ducts and Tight Spaces ooocccccccconocicicnccccanccnn 39 HMT334 for High Pressure and Vacuum Applications 39 VAISALA User s Guide HMT335 for High Temperatures 41 HMT337 for High Humidity Applcatons 42 Temperature Probe Optional cccceeeseeeeseeeeesteeeeees 42 HMT338 for Pressurized Pipelines sseeeeee eee 42 Tightening the Clasp NUt oocccicccnnonccnnocccconccnnonnnanonananccnnnnns 44 Optional Modules cccsccsseeeeeeteeeseeeeeseeeenseeeseeeseseeeenseeeees 45 Power Supply Module cccceecceeeeeeeeeeeeeeeeeeeeeeessaeenenes 45 Install Cuetos ic bill a 46 UE Lille cuisine dt 47 Galvanic Isolation for Output 50 Third Analog Output escondite 50 Installation and Wuimg trenkia einne kas ieskkaskE 51 PROLAVS EE E E NEE EE TEET EEE 52 Installation and Wuimg ekkreskas inak 52 Selecting the Activation State of the Relay 52 RS 422 485 Interface A 54 Installation and Wiring eee cece eeeeeteeeeeeneeeeeeeaaes 54 LAN Interfaces ciu ade et veined cate 56 WLAN Interface 57 Attaching the WLAN Antenna A 58 Data Logger Module 58 8 Pin CONNECTION A 61 CHAPTER 4 OPERATION cion iio italia 63 Getting Started cccccseccesceeeeseeseeeseseeeeeseeeenseeesseeseeseenenseeees 63 Display Keypad Optionall ccccssecsseeeseeeesseeesseeeesseeeeeees 63 Basic DISplay eoero e o
115. nfiguration page you must first log in Username user Password vaisala The web configuration page provides similar network configuration options as the serial line and the display keypad It also has additional options for advanced users For example there are more options for securing the wireless network If these additional options are used they will appear as custom configurations when viewed from the serial line or the display keypad 83 User s Guide d VAISALA Vaisala WLAN Interface Configuration and Management Home Network Configuration Configuration Network y IP Settings System Management R p Connections Configure the network below IPv6 settings are shown here for informational purposes Administration IPv6 Link Local Address FE80 240 9DFF FE2C D1DF Site Local Adress none IPv4 and DNS Obtain an IP address automatically using DHCP Use the following IP address IP Address Subnet Mask 255 255 255 Default Gateway 92 168 Primary DNS Secondary DNS Changes to DHCP IP address Subnet Mask and DNS may effect your browser connection gt Wireless LAN Settings gt Wireless Security Settings gt Wireless 802 1x Authentication Settings gt Advanced Network Settings 0802 114 Figure 53 Web Configuration Interface for WLAN Terminal Program Settings The following instructions show a connection example with HyperTerminal program for
116. note the following The sensor is protected with a PPS grid with stainless steel netting a stainless steel sintered filter or with membrane SST filter The sensor temperature must be below 100 C At higher temperatures the chemicals evaporate spontaneously from the sensor and the chemical purge is not necessary Automatic Chemical Purge Interval Purge When HMT330 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 place by using serial commands or with the optional display keypad This can be needed if the measuring environment contains high concentrations of interfering chemicals The automatic chemical purge can also be turned off if necessary Manual Chemical Purge The chemical purge should be performed always before calibration see section Calibration and Adjustment on page 139 or when there is a reason to believe that a sensor has become exposed to an interfering chemical Make sure that the temperature of the sensor has come down to normal temperature before starting a calibration Chemical Purge in Power Up Chemical purge start up purge can be set to start within 10 seconds from the power up of the device 127 User s Guide 128 Starting and Configuring Chemical Purge Using Buttons on Motherboard Start manual chemical purge by pressing simultaneously two PURGE buttons o
117. o 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 formats that are used in the serial communication 6 Press EXIT to return to the basic display Using Serial Line To set time enter the TIME command To set date enter the DATE command TIME DATE These time and date settings are shown on the timestamps of PLA Y command When you want to include time and date in the R and SEND commands use the FTIME and FDATE commands Example gt TIME Time 13 42 49 gt DATE Date 2007 05 31 NOTE If the optional Data Logger Module is not installed time and date are cleared to 2000 01 01 00 00 00 at reset or at power failure VAISALA 97 User s Guide User Port Serial Settings Using Display Keypad The communication settings for the user port can be changed via the serial line or by using the optional display keypad The communication settings for the service port are fixed and not changeable 1 Press any of the arrow buttons to open the MAIN MENU 2 Select Interfaces and press the arrow button to confirm your selection 3 Select Serial interface and press the arrow button to confirm your selection 4 Select Bit rate Serial format Comm mode by pressing the CHANGE button Use the A Y arrow buttons to select and press SELECT to confirm your selection 5 If you selected RUN communication mode sel
118. oba 152 Accuracy of Wet Bulb Temperature C A 152 Accuracy of Absolute Humidity om 152 Dewpoint Temperature HMT337 Warmed Probe Option 153 Operating Environment sseseeeseeeeriesriesrsssrissrresrresrees 153 Inputs and Outputs oocccicnnicnnncconiconncannccono con no nr cnr nro nn 154 Mechanies ndo loci 154 Transmitter Weight 155 Technical Specifications of Optional Modules 155 Power Supply Module oooococccccocccococcnconcccconnconananana nono 155 Analog Output Module oooooccconccconoccconccccconccononanananncnnnos 155 Ee TE 156 SA 156 VAISALA User s Guide LAN Interface Module 156 WLAN Interface Module ooooooccnicocccccnococononoconanonnncnnnnos 156 Data Logger Module 157 Options and Accessories occccccconnnnnnnconennnnenanenennnarrnnnn naar 158 Dimensions MM NCh coccoonnninnconncnnonnnannnnnocnnnnonnnnnnnnonancnnns 160 MTS tica da dia 161 AMT S33 iii n 162 INECC 162 HMT iii acia 163 AMT iii dede tb 163 el 164 Temperature Probe sereta ai a a 164 APPENDIX A PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES 165 Duct Installation Kits for HMT333 337 335 0oocccccconocnnnos 165 Duct Installation Kit for Temperature Probe for HMT337 166 Pressure Tight Swagelok Installation Kits for HMT337 167 RH Probe Installaton 167 Temperature Probe Installation c cseeeeeeeeeeeeeeeees 167 Examples of Vapor Tight Installations with Cable Gland 168 RH Probe Ins
119. occur due to high humidity and rapid humidity changes The warmed probe is heated continuously so that its temperature is always higher than in environment This prevents condensation on the probe The power consumption of the warmed probe is slightly higher than other probes M210566EN F Chapter 3 Installation CHAPTER 3 INSTALLATION 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 mounting plates Standard Mounting without Mounting Plate Mount the housing by attaching the transmitter to a wall with 4 screws for example M6 not provided 169 6 65 96 3 78 0804 066 Figure 4 Standard Mounting VAISALA 23 User s Guide 24 Wall Mounting with Wall Mounting Kit When mounting with wall mounting kit the mounting plate Vaisala order code 214829 can be 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 T ld 0503 004 Figure 5 Mounting with Wall Mounting Kit The following numbers refer to Figure 5 1 Plastic mounting plate 2 Mount the plate to wall with 4 screws M6 not provided 3 The arched side up 4 Attach the HMT330 to the mounting plate with 4 fixing screws M3 provided 5 Holes for w
120. ogger module the device records six files six observation periods for each selected quantity The data logger raises the number of recorded files to seven for each quantity Thus the total amount of the files varies between 6 and 21 See Table 10 on page 65 Select for example three quantities RH T and Tdf The last column illustrates the number of data points that has been stored in the file Example data logger module installed gt dir File description Oldest data available No of points 1 RH 10 s intervals 2007 05 30 08 26 50 13996800 2 RH 90 s intervals 2007 05 30 05 25 30 1555200 3 RH 12 min intervals 2007 05 29 05 48 00 194400 4 RH 2 h intervals 2007 05 19 02 00 00 19440 5 RH 12 h intervals 2007 03 23 12 00 00 3240 6 RH 3 d intervals 2006 04 20 00 00 00 540 7 RH 12 d intervals 2002 12 16 00 00 00 135 8 E 10 s intervals 2007 05 30 08 26 50 13996800 Ow AE 90 s intervals 2007 05 30 05 25 30 1555200 TOST 12 min intervals 2007 05 29 05 48 00 194400 11 T 2 h intervals 2007 05 19 02 00 00 19440 12 T 12 h intervals 2007 03 23 12 00 00 3240 13 T 3 d intervals 2006 04 20 00 00 00 540 14 T 12 d intervals 2002 12 16 00 00 00 135 15 Tdf 10 s intervals 2007 05 30 08 26 50 13996800 16 Tdf 90 s intervals 2007 05 30 05 25 30 1555200 17 Tdf 12 min intervals 2007 05 29 05 48 00 194400 18 Tdf 2 h intervals 2007 05 19 02 00 00 19440 19 Tdf 12 h intervals 2007 03 23 12 00 00 3240 20 Tdf 3 d int
121. ommended for the high humidity environments where even a small temperature differences can cause water to condense on the sensor The sensor heating speeds up the recovery of the humidity sensor from condensation Sensor heating starts up when the relative humidity of the measuring environment reaches the RH value set by a user RH limit The user can define the RH sensor heating temperature as well as the duration of the heating After the heating cycle the humidity conditions are checked and new sensor heating is performed if the predefined conditions are reached again NOTE During the sensor heating the outputs are locked to the values measured before the heating cycle VAISALA Setting Humidity Sensor Heating When the HMT330 leaves the factory the sensor heating follows the factory default values You can enable disable the function change the RH limit and define the heating temperature and duration of this function XHEAT Enables disables the sensor heating XHEAT xx where xx ON OFF gt xheat on Extra heat ON gt xheat off Extra heat OFF gt 131 User s Guide 132 To configure the sensor heating use the XHEAT 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 Extra heating temperature Extra heating time Example gt xheat Extra he
122. ooooccinnccnnnccnnnnnnncccnanccccancccnnos 84 List of Serial Commandes oocomoncccccccnnonnnanorennonenanerannnr ranas 87 Getting Measurement Message from Serial Line 89 Starting Continuous Outputtng 89 Rias 89 Stopping Continuous Outputting ssssseseeee eeaeee eenean 90 TEE 90 Outputting Reading Once coooccccccccncoccnnnccccnnccnnancnnnncnnno 90 SA TT 90 SEND Diora ea eniran ienaa e ear aaea aankan airaa aa 90 Formatting Serial Line Message ccoooconcccinicccnoncnncccnnancnnnns 91 FTIME and EDATE ederis aeternae ana eainiie iE 91 EStdt TT 91 General Settings iia Sech 92 Changing Quantities and Units oooooonnnnccninncnnnnncnnoccnnnacnnanors 92 Using Displavibevpad A 92 Using Serial Lite steal ta ti n 93 FORM taa diia 93 CIR 95 Pressure Compensation Setting oooooonnnnnnncccnnnccnnncnnnnccccnns 95 Using Dieplavikevpad 95 Using Serial Une 96 PRES and XPRES a nesnesneseesnesneenesrnrrnsrnernsrrsrrnrrsrn 96 REIWEN 97 Using Dieplavikevpad 97 Using Serial Une 97 User Port Serial Geitings esenee eeen nern reenn nennen 98 Using Dieplavikevpad 98 Using Serial Une 99 SER E 99 SMODE utili daras 99 INV tirita 100 ECHO citar 100 Data Filtering ici ri 101 A TO 101 Device Information ooccconnnnonnnccnnccnononnnccnnnncccnnrrnnnnnnannnc 101 eege ee ees EE 102 HELP traca lit lane 103 ERRS imitacion 103 VERS stat ri 104 Resetting Transmitter Using Serial Line ooo n nn ci 104 RESET atari caba
123. os VAISALA USER S GUIDE Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT330 M210566EN F PUBLISHED BY Vaisala Oy Phone int 358 9 8949 1 P O Box 26 Fax 358 9 8949 2227 FIN 00421 Helsinki Finland Visit our Internet pages at http www vaisala com O Vaisala 2008 No part of this manual may be reproduced in any form or by any means electronic or mechanical 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 Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user All legally binding commitments and agreements are included exclusively in the applicable supply contract or Conditions of Sale Table of Contents CHAPTER 1 GENERAL INFORMATION 22c2 ccsscceseceeeeeeeeeeeeeeeeeseeeseeeseeeseeensaeessnensaes 11 About This Manual c scccceeseeeeeeeeeeeeeenseeeeeenseeeeeeenseeneeenees 11 Contents of This Manual 11 Version Information 12 General Safety Considerations eeeeeeeeeee erenneren 12 A ACK ss aie aan ar a a eE E na aa a Earann a a EEEE 13 Product Related Safety Precautions cssseereeeseees 13 ESD Proteci n ctricos dictada 13 Regulatory Compliance ocooonccnccccnonannnnnonennonenannnnnnanrnanannnna ns 14 Transmitters with LAN or WLAN In
124. p Nut 1 Adjust the probe to a suitable depth according to the type of installation 2 Tighten the clasp nut first manually Mark the fitting screw and the clasp nut 4 Tighten the nut a further 50 60 ca 1 6 turn with a wrench If you have suitable torque spanner tighten the nut to max 45 5 Nm 33 4 ft lbs 0505 276 Figure 27 Tightening the Clasp Nut The following numbers refer to Figure 27 on page 44 1 Probe 2 Clasp nut 3 Fitting screw 4 Pen NOTE Take care not to over tighten the clasp nut to avoid difficulties when opening it CAUTION Take care not to damage the probe body A damaged body makes the probe less tight and may prevent it from going through the clasp nut CAUTION In pressurized processes it is essential to tighten the supporting nuts and screws very carefully to prevent loosening of the probe by the action of pressure 44 M210566EN F Chapter 3 Installation 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 mbar into the transmitter memory via the serial line see command PRES and XPRES on page 96 or by using display keypad Optional Modules VAISALA Power Supply Module The AC mains power connection may be connected to the power supply module only by an authorized electrician A readily accessible disconnect device shall be incorpora
125. pply and signal wiring screw terminals Relay data logger RS 422 485 LAN or WLAN module optional Grounding connector Power supply module optional Relay data logger or analog output module optional Humidity probe cable Temperature probe cable optional Output isolation module optional Adjustment buttons chemical purge buttons with indicator LED un ra Il HN 00 Oy Li Il A Il 20 M21 0566EN F Chapter 2 Product Overview Probe Options gt Ll O 0507 033 Figure 3 Probe Options The following numbers refer to Figure 3 1 HMT331 for demanding wall mounted applications 2 HMT333 for ducts and tight spaces 3 HMT334 for high pressure and vacuum applications up to 100 bars 4 HMT335 for high temperatures up to 180 C vapor tight Flange available as an option 5 HMT337 for high humidity applications optional warmed and vapor tight probe 6 HMT338 for pressurized pipelines up to 40 bar Probe cable lengths are 2 m 5 m and 10 m VAISALA 21 User s Guide 22 Warmed Probe HMT337 Temperature difference between the probe and external environment can cause a risk of condensation on the sensor A wet probe cannot observe the actual humidity in the ambient air If the condensed water 1s contaminated the life span of the probe may shorten and calibration may change HMT337 probe shall be used in applications where condensation can
126. provides general notes for the manual and the product Chapter 2 Product Overview 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 contains information that is needed to operate this product Chapter 5 Maintenance contains information that is needed in basic maintenance of the product Chapter 6 Calibration and Adjustment provides information and instructions concerning calibration and adjustment of HMT330 Chapter 7 Technical Data provides the technical data of the product 11 User s Guide WARNING CAUTION Appendix A Probe Installation Kits and Installation Examples presents the installation kits available for HMT330 and provides some installation examples Appendix B Calculation Formulas presents the equations used in HMT330 to calculate values of dewpoint mixing ratio absolute humidity and enthalpy in normal pressure Version Information Table 1 Manual Revisions Manual Code Description M210566EN A September 2004 First release M210566EN B November 2004 M210566EN C September 2005 M210566EN D November 2006 M210566EN E June 2007 New options added Data logger module USB RJ45 cable new sensors HUMICAP 180R and HUMICAP 180RC Support for Chinese language M210566EN F May 2008 New options added LAN Interfac
127. quential loss whether direct or indirect or for special damages M210566EN F Chapter 2 CHAPTER 2 PRODUCT OVERVIEW Introduction to HMT330 VAISALA This chapter introduces the features advantages and the product nomenclature of the Vaisala HUMICAP Humidity and Temperature Transmitter Series HMT330 Product Overview The HMT330 transmitter provides reliable humidity measurement in a wide range of applications Analog outputs can be chosen between current and voltage signals Alternatively digital outputs RS 232 standard or RS 422 485 optional can be selected The quantities measured and calculated by HMT330 are presented in Table 2 below The quantities available as an option are presented in Table 3 below Table 2 Quantities Measured by HMT330 Quantity Abbreviati Metric Unit Non Metric on Unit Relative humidity RH RH RH RH Temperature T T C F 17 User s Guide Table 3 Optional Quantities Measured by HMT330 Quantity Abbreviati Metric Unit Non Metric on Unit Dewpoint Frostpoint TDF C F Temperature Tas Dewpoint Temperature Ta TD C F Absolute humidity a A g m grit Mixing ratio x A g kg gr lb Wetbulb temperature T TW C F Humid air volume dry air H20 ppmv ppm ppm ppmy volume by volume or by weight H20 Water vapor pressure Pw PW hPa Ib in Water vapor saturation PWS hPa lb in pressure Pws
128. r NPT 1 8 thread Vaisala order codes SWG6IS018 or SWG6NPTIS 135 mm UI Bb un 33 mm 18 mm min P max 10 bar T max 180 C imax 30 mm 3 0508 016 Figure 85 Swagelok Installation Kit for T Probe The following numbers refer to Figure 85 1 T probe 2 Duct connector 3 Swagelok connector 4 Ferrules 167 User s Guide Examples of Vapor Tight Installations with Cable Gland RH Probe Installations for HMT333 337 Cable gland AGRO is available from Vaisala order code HMP247CG 0508 026 Figure 86 Cable Installation with Cable Gland The following numbers refer to Figure 86 1 Nur to be tightened to the body 2 Seal 3 Body and O ring 0508 018 Figure 87 Probe Installation with Cable Gland Probe installation with cable gland is not available from Vaisala The following numbers refer to Figure 87 1 AGRO 1160 20 145 T 40 100 C Not available from Vaisala 2 In pressurized places use a locking ring for example 11x 1 DIN471 168 M21 0566EN F Appendix A Probe Installation Kits and Installation Examples T Probe Installations HMT337 Y 1 0508 015 Figure 88 Vapor Tight Installation Vapor Tight Installation is not available from Vaisala The following numbers refer to Figure 88 1 Cable gland For example AGRO 1100 12 91 065 T
129. r the calibration information date and text to the transmitter s memory see the serial commands CTEXT and CDATE 6 Press the ADJ button on the motherboard to close the adjustment mode 146 M210566EN F Chapter 6 Calibration and Adjustment 7 Take the probe out of the reference conditions and replace the filter Analog Output Adjustment In the analog output calibration the analog output is forced to the following values Current output 2 mA and 18 mA Voltage output 10 and 90 of the range Connect HMT330 to a calibrated current voltage meter in order to measure either current or voltage depending on the selected output type ue Display Keypad Press the ADJ button to open the ADJUSTMENT MENU 2 Select Adjust analog outputs press button Select the output to be adjusted Adjust analog output 1 2 press START 4 Measure the first analog output value with a multimeter Give the measured value by using the arrow buttons Press OK 5 Measure the second analog output value with a multimeter Give the measured value by using the arrow buttons Press OK 6 Press OK to return to the adjustment menu Press EXIT to close the 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 gt ACAL Chi TL mA 2 046 Chl 12 mA 18 087 VAISALA 147
130. ration 2 Press the arrow button to select Display Press arrow button to select Quantities 4 Select the quantity by using the A Y arrow buttons Confirm the selection by pressing SELECT You can select 1 3 display quantities at a time 5 Press EXIT to return to the basic display To select display units 1 Press any of the arrow buttons to open the MAIN MENU 2 Press the gt arrow button to select Display Use the A Y arrow buttons to select Units Confirm the selection by pressing the right hand arrow button 4 Use the A Y arrow buttons to select display units Confirm the selection by pressing CHANGE The unit changes from metric to non metric or the other way round 5 Press EXIT to return to the basic display NOTE Changing the display quantities units by using the display keypad VAISALA has no effect on the serial output data Using Serial Line Use the serial line command FORM to change the format or select a certain quantities for the output commands SEND and R Use the serial line command UNIT to select metric or non metric output units FORM Use the serial line command FORM to change the format or select a certain quantities for the output commands SEND and R FORM x where X Formatter string Formatter string consists of quantities and modifiers When entering the command use the abbreviations of the quantities For more information on quantities see Table 2 and Table 3 on pag
131. rement environment as the HMT337 probe Make sure that heat does not transfer from the warmed probe to the temperature probe For an example installation refer to section Example of Installation Through Roof on page 171 HMT338 for Pressurized Pipelines 42 Due to the sliding fit the HMT338 is easy to install into and remove from the pressurized process The probe is especially suitable for the measurements in pipelines See section Ball Valve Installation Kit for HMT338 on page 172 M210566EN F Chapter 3 VAISALA Installation R 0508 077 Figure 25 HMT338 Probe The following numbers refer to Figure 25 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 Body NPT1 2 solid structure Table 4 HMT338 Probe Dimensions Probe type Adjustment Range Standard 178 mm 120 mm Optional 00 mm 340 mm fitting body hex 24mm tapered thread a saws fi ql Yu TT See SS NS sealing with 1 LOCTITE No 542 activ No 7649 t 55 150 C 2 MEGA PIPE EXTRA No 7188 t 55 170 C 3 PTFE tape t 60 210 C NOTE the tape does not lock the parts together Therefore use two fork spanners hex 24 and 27 mm for tightening and opening the clasp nut of the probe 0507 025 Figure 26 Sealing of Fitting Body into Process 43 User s Guide Tightening the Clas
132. s Connect the wires to the screw terminals marked with Ch and Ch Select the current voltage output by setting ON either of the switches 1 or 2 Select the range by setting ON one of the switches 3 7 NOTE Only one of the switches 1 and 2 can be ON at a time Only one of the switches 3 7 can be ON at a time VAISALA Channel 3 OFF ON Selection Current output selection ON Current output selected Voltage output selection ON Voltage output selected 0 20 mA selection ON 0 20 mA selected 4 20 mA selection ON 4 20 mA selected 0 1 V selection ON 0 1 V selected 0 5 V selection ON 0 5 V selected 0 10 V selection ON 0 10 V selected For service use only keep always in OFF position 0508 029 Figure 31 Third analog output selection Connect the power Select the quantity and scale the channel via the serial line or display keypad see section Analog Output Quantities on page 111 For testing the analog output see section Analog Output Tests on page 113 For fault indication setting see section Analog Output Fault Indication Setting on page 114 51 User s Guide Relays HMT330 can be equipped with one or two configurable relay modules Each module contains two configurable relays See the contact ratings in section Technical Specifications of Optional Modules on page 155 Installation and Wiring 1 Disconnect the power and open the transmit
133. s Guide Table 26 Selection of Output Modes Mode Output Available Commande STOP Only with the SEND command All default mode RUN Automatic output Only command S POLL Only with the SEND adar Use with RS 485 buses see command Operation of the RS 485 Module on page 121 Selected output mode will be activated after power outages INTV Use the command INTV to set the outputting interval for the RUN mode INTV xxx yyy where xxx Output interval 0 255 0 the fastest possible output rate yyy Unit s min or h Example gt INTV 10 min Output intrv 10 min gt ECHO Use the command ECHO to set the user port echo The command either enables or disables echo of characters received ECHO x where x ON default or OFF NOTE You can use the SERI SMODE INTV and ECHO commands to change view the user port settings even if you are currently connected to the service port 100 M210566EN F Chapter 4 VAISALA Operation Data Filtering The averaging data filter calculates an average over a certain period of time The lowest measurement noise is achieved with the extended filtering There are three filtering levels available Table 27 Filtering Levels Setting Filtering level OFF No filtering ON default Standard short filtering approximately 15 s moving average EXTENDED Extended filtering default approximately 1
134. s a thin flexible plastic frame for the transmitter with adhesive tape on one side The frame is used to hide any rough edges of 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 panel mounting frame as follows 1 Use the frame as a template to mark the required size for the installation hole in the panel 2 Cut the hole in the panel Mount the transmitter through the panel with suitable supports M21 0566EN F Chapter 3 VAISALA Installation 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 following numbers refer to Figure 13 1 Panel not included 2 Panel mounting frame 200 7 87 119 4 69 155 6 10 154 6 06 0804 083 Figure 14 Panel Mounting Dimensions mm inch 29 User s Guide Wiring Cable Bushings A single electrical 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 See the following recommendations for the cable bushings 0503 010 Figure 15 Cable Bushings The following numbers refer to Figure 15 1 Cable for s
135. tallations for HMT 23234 168 T Probe Installations HMT 224 169 Example of Climate Chamber Installation 170 Example of Installation Through Hof 171 Ball Valve Installation Kit for HMT338 seen 172 Meteorological Installation Kit for HMT337 06 174 APPENDIX B CALCULATION FORMULAS cocococcocccconocnonenonanacencnnnacenonnnacennnnanacrnnannaennnnans 175 6 M210566EN F List of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Figure 12 Figure 13 Figure 14 Figure 15 Figure 16 Figure 17 Figure 18 Figure 19 Figure 20 Figure 21 Figure 22 Figure 23 Figure 24 Figure 25 Figure 26 Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 Figure 33 Figure 34 Figure 35 Figure 36 Figure 37 Figure 38 Figure 39 Figure 40 Figure 41 Figure 42 Figure 43 Figure 44 Figure 45 Figure 46 Figure 47 Figure 48 Figure 49 Figure 50 VAISALA Transmitter BOOY imc tala 19 Inside the Transmeri ankeniek e enaa anar 20 Probe OptiONS cutre des 21 Standard MOUNtINQ kesine eanna nnen etnas iaaa ataka eah 23 Mounting with Wall Mounting bn 24 Dimensions of the Plastic Mounting Plate mm inch 24 Mounting with the DIN Rail Installation Ki 25 Ve rtiCal POG vecindad tabla ellas iodo des 26 Horizontal Pole csssstcsssccessastenet ctanevesananceescssaqgeecatseeeesenseeestanenees 26 Mounting wit
136. ted in the fixed wiring 0506 027 Figure 28 Power Supply Module The following numbers refer to Figure 28 1 Connect AC mains voltage wires to these terminals 2 Grounding terminal 3 _ Incase the module is not installed in the factory Connect wires from these terminals to the POWER 10 36V 24V terminals of the mother board 4 5 a 45 User s Guide Installation 1 Disconnect the power and open the transmitter cover 2 Remove the protective plug from the cable gland and thread the wires In case the power supply module is installed in the factory continue with the step 5 3 Attach the power module to the bottom of the housing with four screws See the position Figure 2 on page 20 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 power supply module terminals marked with N and L 6 Attach the grounding wire to the grounding terminal on the right hand side of the transmitter 7 Connect the power The LED on the cover of the transmitter is lit continuously during normal operation WARNING Do not detach the power supply module from the transmitter when the power is on WARNING Do not connect the mains power to power supply module when it is not installed in the transmitter WARNING Always connect the protective ground ter
137. ter cover In case the relay module is installed in the factory continue with step 5 2 Attach the relay module to the bottom of the housing with four screws See the position in Figure 2 on page 20 3 When the mains power is in use attach the grounding wire to the grounding terminal 4 Connect the flat cable between the relay module and the 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 NC Refer to section Selecting the Activation State of the Relay below 7 Connect the power and close the cover Selecting the Activation State of the Relay The middlemost C terminal and either one of the terminals NO NC must be connected The polarity can be freely selected NO Normally open C Common relay NC Normally closed Relay NOT activated C and NC outputs are closed NO is open Relay IS activated C and NO outputs are closed NC is open NOTE For instructions on how to operate the relay for example select quantity for the relay output and set the relay setpoints see section Operation of Relays on page 115 52 M210566EN F Chapter 3 Installation WARNING WARNING VAISALA G ECH WK ago og oa po oo 0503 037 Figure 32 Relay Module The following numbers refer to Figure 32 Indication led for the relay 1 or 3 Relay test buttons
138. terface 0 001000 0 14 Transmitters with WLAN Interface s 14 FRROCY CHING E 15 Trademarks qu cecceeeceeeeneeeeeeneeeeeeeseeseenseeeeeeenseeeeeesseeeeeenseeeeeenees 15 License Agreement scccceseeeeeeseeeeeeeeseeeeeenseeneeenseeeeeeseeenes 15 VU CHAT 16 CHAPTER 2 PRODUCT OVERVIEW c ccsccceetsstscescestecessecstcceceseseeecrsnetentecnsesneesenseensesan 17 Introduction to HMT330 cccecceseseeeseeeeeseeeeeseeesseeeenseeeeeees 17 Basic Features and Options 0 cccccessceeeeeesseeeeeeeeeeeeees 18 Structure of the Transmitter 19 Probe OPTIONS pi esini e adele eel naevus edad 21 Warmed Probe HMT T337 ssssssesssssenssesssssnnnnseesrrrnnnnnssnssrene 22 CHAPTER 3 INSTALLATION c ooo iii inclinadas sni add 23 Mounting the Housing ccceeeeeeeseseeeeeeseeeeeseseeeeeeneeeeeeens 23 Standard Mounting without Mounting Plate 23 Wall Mounting with Wall Mounting Km 24 Mounting with DIN Rail Installation Kit eee 25 Pole Installation with Installation Kit for Pole or Pipeline 26 Mounting Rain Shield with Installation kt 28 Panel Mounting Frame 28 A ee 30 ASS 30 Grounding the Cables ooooonicccnnccononcconocnconcccnanncnnnannana cana no 31 Grounding the Transmitter Housing 32 Signal and Power Supply Wirinmg 33 Connections to a 24 VAC Power Supply eeeeeeeeeeeeeen 34 Probe Mounting omccoocnnnnnnnancnnnnacanacananaco nana cn narran nnnc nana 36 Ge
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140. the Microsoft Windows operating system NOTE HyperTerminal is not included with the Windows Vista operating system 84 1 Start HyperTerminal To get help for starting HyperTerminal click Start select Help to open Windows help and search for HyperTerminal 2 In the New Connection window of the HyperTerminal define a name for HMT330 serial connection for example Vaisala Transmitter Click OK M21 0566EN F Chapter 4 VAISALA Operation Select the connection type using the Connect using pull down menu If you are connecting to the transmitter using the serial interface select the PC communications port where the serial 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 has been installed in the Windows Start menu Connect To D Vaisala Transmitter Enter details for the phone number that you want to dial Country region Area code Phone number Connect using OMI SE E Se w 0709 005 Figure 54 Connecting Using Serial Interface If you are connecting using the LAN or WLAN interface select TCP IP Winsock Enter the IP address of the interface in the Host address field and 23 as the Port number Click OK to connect to the transmitter Connect To D Vaisala Transmitter Enter details for the host that you want to call
141. 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 If you are using the Vaisala MI70 Link application you do not need to check the COM port as the MI70 Link detects the USB connection automatically 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 Add or Remove Programs Programs and Features in Windows Vista in the Windows Control Panel Using the Service Port 1 Unfasten the screws on the transmitter cover and open the transmitter 2 Connect the desired cable serial interface cable or USB cable to your PC and the service port connector on the transmitter For the location of the service port refer to Figure 46 on page 73 3 Open a terminal program and set the communication settings as follows 75 User s Guide Table 13 Communication Settings for the Service Port Parameter Value Bauds 19200 Parity None Data bits 8 Stop bits 1 Flow control None
142. tions in the graphical display Press the NEXT button to change between the trend graph and max min graph for the quantities selected for display Press the EXIT button to return to the basic display Press the V A arrow buttons to zoom in and out in the graph window Press the lt P arrow buttons move the cursor vertical bar along the time axis The cursor 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 chosen moment without the logger module or the date and time at the cursor position when the logger module is installed If the optional data logger module is installed you can scroll the cursor off the screen to move to a new point on the time axis The new date will be displayed and the cursor will be centered at the date where the cursor scrolled off the screen T 0 41 C 2 21 2004 2 Figure 41 Graphical Display with Data Logger 65 User s Guide 66 The time that is shown below the graph is adjusted with the current time offset of the transmitter If you change the 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 Module on page 58 Table 11 Graph Information Messages in Cursor Mode
143. to follow the operation status of the device By selecting FAULT ONLINE STATUS for output quantity a relay changes state on the basis of the operation status as follows FAULT STATUS Normal operation relay active C and NO outputs are closed Not measuring state error state or power off relay released C and NC outputs are closed 116 M210566EN F Chapter 4 Operation ONLINE STATUS Live measurement data available relay active C and NO outputs are closed No live data for example error state chemical purge or adjustment mode relay released C and NC outputs are closed See Figure 60 below for illustrative examples of the FAULT ONLINE STATUSrelay output modes Analog output vs FAULT STATUS relay Legend AERR Analog output fault indication value set by user wi Outputs frozen because of e g Purge or Autocal A Measurement failure because of e g damaged sensor True value of the measurement parameter during the exceptional situation NX Relay active NO C connected Relay is released in case of a measurement failure only e Relay is activated o Relay is released Analog output vs ONLINE STATUS relay time Relay is released when the output values are frozen the adjustment mode is activated or an instrument failure is detected 0610 077 Figure 60 FAULT ONLINE STATUS Relay Output Modes FAULT ONLINE STATUS relays are usually used in conjunction with an analog output to obtai
144. to the transmitter The LAN interface provides the same capabilities as the serial connection The user can connect to the transmitter using the MITO Link software or by using a telnet client program such as Hyperterminal When the LAN Interface is in use serial communication using the User Port is disabled The LAN interface module must be installed at the factory when ordering the transmitter or by a Vaisala Service Center Once installed the module is automatically used by the transmitter The physical connection to the network is made to the RJ45 connector on the LAN interface module 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 56 M210566EN F Chapter 3 VAISALA Installation The LAN interface can use both static and dynamic network settings Tf the interface is configured to use dynamic settings the network where the LAN interface is connected must have a DHCP server that provides the settings The network configuration can be done using the optional display and keypad or by using the service port For instructions see section LAN Communication on page 76 The LAN interface also provides a web configuration interface which you can access by entering the IP address of the LAN interface in the address field of a web browser For instructions on how to verify the current settings and status o
145. tr mf rs rjningsmodulen av en beh rig elektriker Ta inte loss str mf rs rjningsmodulen fr n m taren n r str mmen r p Anslut inte str mf rs rjningsmodulen till n tet n r den inte r installerad i HMT330 m taren Anslut alltid en skyddande jordningsplint 47 User s Guide Questo prodotto conforme alla Direttiva sul basso voltaggio 73 23 CEE La conduttura elettrica pu essere collegata al modulo di alimentazione elettrica soltanto da un elettricista autorizzato Non staccare l alimentazione elettrica dal trasmettitore quando acceso Non collegare la corrente elettrica al modulo di alimentazione elettrica se non installato nel trasmettitore HMT330 Collegare sempre il morsetto protettivo a terra Dette produkt er i overensstemmelse med direktivet om lavsp nding 73 23 E S Netstr mskoblingen til m kun tilsluttes str mforsyningsmodulet af en autoriseret elinstallat r Str mforsyningsmodulet m ikke l sg res fra senderen mens sp ndingen er sluttet til Slut ikke netsp ndingen til str mforsyningsmodulet n r det ikke er installeret i HMT330 senderen Forbind altid den beskyttende jordklemme Dit product voldoet aan 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 van de transmitter los te koppelen wanneer de s
146. trast EXIT INTERFACES K kGertal mitert E nalog outputs EXIT 0705 208 0802 040 Some menu items such as Purge in the Measuring menu are only shown if supported by the transmitter and the installed options Changing the Language 1 Go back to the basic display by keeping the right hand Z button pressed for four seconds Open the Main menu by pressing any of the V A lt P buttons Scroll to the System menu option and press the button The menu option is indicated with the wrench amp symbol Scroll to the Language menu option and the left hand LZ button The menu option is indicated with the flag symbol Select the language with the V A buttons and confirm the selection by pressing the left hand LZ button Press the right hand LZ button to exit to the basic display 67 User s Guide 68 Rounding Setting Round off one decimal by using the Rounding function The default setting is rounding on Rounding has no effect on quantities without decimals 1 Open the MAIN MENU by pressing any of the V A lt P arrow buttons 2 Select Display and confirm by pressing the arrow button Select Rounding and press ON OFF button 4 Press EXIT to return to the basic display Display Backlight Setting As a default the display backlight is always on In the automatic mode the backlight stays on for 30 seconds from the last press of any button When pressing any button the light turns
147. troom aan is Het is niet toegestaan de stroom aan de stroomtoevoer module aan te sluiten als deze niet in een HMT330 transmitter is gemonteerd Altijd beschermend aardcontact aansluiten Este producto cumple con la directiva de bajo voltaje 73 23 EEC La conexi n de la alimentaci n principal al m dulo de alimentaci n s lo puede realizarla un electricista autorizado No desenchufe el m dulo de alimentaci n del transmisor cuando est encendido No conecte la alimentaci n principal al m dulo de alimentaci n cuando no est instalado en el transmisor HMT330 Conecte siempre el terminal de protecci n de conexi n a tierra See toode vastab madalpinge direktiivile 73 23 EEC 48 Voolukaabli v ib vooluallika mooduli k lge hendada ainult volitatud elektrik rge hendage vooluallika moodulit saatja k ljest lahti kui vool on sisse l litatud rge hendage voolukaablit vooluallika mooduli k lge kui seda pole HMT330 t pi saatjasse paigaldatud hendage alati kaitsev maandusklemm M210566EN F Chapter 3 Installation Ez a term k megfelel a Kisfesziilts g villamos term kek ir nyelvnek 73 23 EGK A h l zati fesziilts get csak feljogositott elektrotechnikus csatlakoztathatja a t pegys gmodulra A bekapcsolt t vad r l ne csatolja le a t pegys gmodult Ne csatlakoztassa a h l zati fesz lts get a tapegys gmodulhoz ha az nincs be p tve a HMT330 t vad ba Felt tle
148. ture range Storage temperature range Operating humidity range Power consumption 24V Connector Supported protocols Security 40 60 C 40 140 F 500 1300 mmHg max 30 mA 0 5 A 250 VAC 0 5 A 30 VDC TEC60950 UL1950 55 80 C 67 176 F 2 5 mm2 AWG14 40 60 C 40 140 F 2 wire 1 pair half duplex 4 wire 2 pair full duplex 115 2 kbaud 300VDC max 50 mA 32 RL gt 10kohm 55 80 C 67 176 F 1 5 mm2 AWG16 40 60 C 40 140 F 40 85 C 40 185 F 5 95 RH max 60 mA 10 100Base T RJ45 Telnet HTTP 20 60 C 4 140 F 40 85 C 40 185 F 5 95 RH max 80 mA RP SMA Telnet HTTP WEP 64 128 WPA M210566EN F Chapter 7 VAISALA Technical Data Data Logger Module Operating temperature range Storage temperature range Power consumption 24V Logged parameters Logging interval Maximum logging period Logged points Accuracy of the clock Battery lifetime at 40 30 C 40 86 F at 30 60 C 86 140 F 40 60 C 40 140 F 55 80 C 67 176 F max 10 mA up to three with trend min max values for each 10 s fixed 4 years 5 months 13 7 million points parameter better than 2 min year 7 years 5 years 157 User s Guide Options and Accessories 158 Description
149. using the optional display keypad follow the instructions on Using Display Keypad on page 142 but select Adj for new RH sensor instead of 1 point 2 point adjustment Using Serial Line After sensor change carry out the procedure as described in previous sections Just replace the CRH command with the FCRH command M210566EN F Chapter 6 Calibration and Adjustment FCRH Example gt FCRH RH 1 82 Ll ref 2 0 Press any key when ready RH OK gt 74 22 2 ref 2 TS The OK indicates that the calibration has succeeded Temperature Adjustment VAISALA Using Display Keypad 1 Press the ADJ button on the motherboard to open the ADJUSTMENT MENU If using a warmed probe for measuring probe heating will be interrupted when ADJ key is pressed Wait some time for the probe to reach ambient temperature Select gt Adjust T measurement press gt key Select 1 point 2 point adjustment press Press START Remove the filter from the probe and insert the probe into the reference temperature Wait at least 30 minutes for the sensor to stabilize Follow the stabilization from the GRAPH display Press READY when stabilized Give the reference temperature by using the arrow buttons When carrying out the 2 point adjustment proceed to the next adjustment point and carry out the procedure as described in the previous item Please note that the difference between the two temperature references must
150. ut cables to terminals Ch1 Ch1 Ch2 Ch2 Connect the RS 232 user port cables to terminals RxD GND and TxD For more information about the RS 232 connection refer to section Serial Line Communication on page 72 VAISALA 33 User s Guide CAUTION 34 4 When wiring the optional modules see the corresponding section for instructions RS 422 485 Interface on page 54 Relays on page 52 Third Analog Output on page 50 LAN Interface on page 56 WLAN Interface on page 57 5 Connect the power supply wires to the connectors POWER 10 35V 24V and terminals If you are using 24 VAC power supply see the note below before connecting the supply wires 6 Turn on the power The indicator led on the cover lit continuously during normal operation T 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 Figure 18 on page 35 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 18 24 VAC POWER SUPPLY USE To prevent fire and or damage if either 24 VAC wire is grounded or connected to a 0 or GND terminal of any other device you must connect the same wire on the terminal also on this instrument
151. x start_date start_time end_date end_time where D Number of the data file that will be outputted range 0 21 The numbers correspond to the output of the DIR command refer to the example on page 106 Selecting number 0 will output all data files start date Starting date of the interval to be outputted Must be given in the following format yyyy mm dd start_time Starting time of the interval to be outputted Must be given in the following format hh mm ss end date Ending date of the interval to be outputted Must be given in the following format yyyy mm dd end_time Ending time of the interval to be outputted Must be given in the following format hh mm ss VAISALA 107 User s Guide Example gt play 3 2007 05 05 00 00 00 2007 05 06 00 00 00 2007 05 05 00 00 00 RH 12 min intervals Date Time yyyy mm dd hh mm ss 2007 05 05 00 00 00 2007 05 05 00 12 00 2007 05 05 00 24 00 2007 05 05 00 36 00 2007 05 05 00 48 00 2007 05 05 01 00 00 trend SRH 19 1 95 20 21 LZ 19 16 30 01 21 57 09 min SRH 18 19 19 20 T73 18 99 09 28 98 72 62 max SRH L9 T9 21 5 21 Zils 19 33 39 17 44 11 84 121 The lt ESC gt key can be used to interrupt the output listing NOTE Output of large amounts of recorded data can result in huge data files and take a long time up to several days for the entire memory of the data logger at 10 second resolution
152. xamples see Appendix A on page 165 M21 0566EN F Chapter 3 VAISALA Installation HMT333 for Ducts and Tight Spaces The HMT333 is a small size 12mm general purpose probe suitable for ducts and channels with the installation kit available from Vaisala The HMT333 provides for two measuring range options The first probe version is equipped with a flexible cable and can be used when measuring in environments up to 80 C The second version is suitable for measuring in environments up to 120 C See Appendix A on page 165 for the following probe installation kits for HMT333 and installation examples 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 with a nut a fitting screw and a sealing washer Keep the fitting screw and the nut in place on the body of the probe during handling to prevent damage to the highly polished surface of the probe Follow the instructions below to achieve a leak tight assembly 1 Remove the fitting screw from the nut and the probe 2 Attach the fitting screw to the chamber wall with a sealing washer Tighten the fitting screw into the threaded sleeve with a torque spanner The tightening torque is 150 10 Nm 110 7 ft lbs 3 Insert the body of the probe into the fitting screw and attach the nut manually to the fitting s
153. y quantities DELETE Delete all data files including the memory of the optional data logger module UNDELETE Recover the deleted files that have not been overwritten Table 19 Chemical Purge Commands Command Description PUR Set the automatic chemical purge PURGE Start the manual chemical purge Table 20 Calibration and Adjustment Commands Command Description CRH Relative humidity calibration CT Temperature calibration CTA Additional temperature probe calibration FCRH Relative humidity calibration after sensor change CTEXT Give the text to calibration information field CDATE Set the calibration date ACAL Analog output calibration Table 21 Setting and Testing the Analog Outputs Command Description AMODE View the analog output modes ASEL Select the parameters for the analog outputs ITEST Test the analog outputs AERR Change the analog error output values Table 22 Setting and Testing the Relays Command Description RSEL Set and view the relays RTEST Test the relays M210566EN F Chapter 4 VAISALA Operation Table 23 Other Commands Command Description 2 Output information about the device 22 Output information about the device in POLL mode ECHO ON OFF Turn the serial interface echo ON OFF ERRS List present transmitter errors FILT Set the result filtering FIND All devices in POLL mode send their addresses HELP List the most common commands LOCK Lock the menu and

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