DPT145 User's Guide - M211371EN-B
Contents
1. seeeseeeeeeeeeeeeeennnnee 39 Output a Reading ONCE cccceececcseeeecceeeeeeceeseeesseseeeees 40 Configuring Measurement Parameters 40 Set Mixing RANG Gin t E 40 Set Molar Weight of Other Gas eseseseeessssse 41 Set Pressure Normalization Temperature 41 Set Measurement Output Format ssusss 42 Select UN fe IT 44 Configuring Serial Line Operation 44 Set Serial Line Operating Mode sse 44 Set Serial Line Settings seeesseeeeessssees 45 Set Transmitter Address eeeeeeeseeseeseeese 45 Set Serial Line Response Time sseusss 46 Other Commands 5 eel eise Copa or de 46 Opening the Transmitter in POLL Mode 46 Closing the Connection to a Transmitter in POLL Mode 47 Show Transmitter Uptime eeeeeseeeeseeeees 4T Reset Transmitter o oa e sede estt rut UE 47 Restore Factory Settings ccccccccccssseeeceeseesseeseeeseeeees 47 CHAPTER 6 IOUT TE NIN Gass swe Dacia ec ae see ees es eee ee eee 49 Periodic Maintenance cccsccccseccseseseeeseeseeeneeeneeeenesseneaes 49 C IGI EEE T A E ast Meeusut tu Ere E SLM n LUNES 49 Calibration and Adjustment2. eeeeesseeesssssss 49 Field Check Using an MI70 Indicator 50 Repair Maintenance ccccccesscsseecseeeeeeeeeeeeeseseneeseneseenenees 52 4 M211371EN B CHAPTER 7 TROUBLESHOOTING 5 esc coe nies ceca oe ceo ate o a E donee ove Po Eo nr d Osee v io ates 53 Solving Typical Problems e esses 53 Error Messa g6S deoa ise ee cs cescedi atA 54 Unknown Serial Settings uss 54 Technical SUDDOLIT icones pani t ceeds sce ace censos 55 Product RETIS iuc eaae Esel pla cue puede S vexu PUO ce Na Qa E PLANE CUES 55 CHAPTER 8 TECHNICAL DAT Aci petiisse oae dion eua uec anuo pute de did saeua o pue dude a dut asses 57 SDECINCALIONS scsi ee eet ioe 57 Spare Parts and Accessories eese 60 DIMENSIONS In ml peces e ex pio coi eveuo sop ve CH E REFLRIOEEN 61 VAISALA USER S GUIDE List of Figures Figure 1 DPT145 with DILO DN20 Adapter esee 14 Figure 2 Weather Shield s Sacctcas esterase staat cea ue ve ututdetvude bise 16 Figure 3 MIPS TSGS OM eae cm 18 Figure 4 DPT145 Startup SEQUENCE cccecccceececceseeeeeeeeeeeeeseneessaaees 20 Figure 5 DPT145 Configuration with the MI70 Indicator 21 Figure 6 Indoor Installation in a Circuit Breaker 22 Figure 7 Wiring Non Isolated RS 48
3. smode poll Serial mode POLL M211371EN B Chapter 5 VAISALA Operation Set Serial Line Settings Use the SERI command to set the serial line settings The new settings will be taken into use when the transmitter 1s reset or powered up Note that changing the serial line settings will slightly alter how the transmitter works with the MI70 indicator If you are not using the default settings of 19200 N 8 1 you will have to power off the MI70 before it can find the transmitter you will not be able to connect it on the fly SERI p d s cr where b baudrate 300 600 1200 2400 4800 9600 or 19200 D parity n none e even o odd d data bits 7 or 8 S stop bits 1 or 2 Example seri 9600 e 7 1 Baud E bs 2QODQ Bf al Set Transmitter Address To operate in the POLL mode the transmitter must have an address If multiple transmitters share the same serial line each transmitter must have a different address For a description of the serial interface modes see section Set Serial Line Operating Mode on page 44 ADDR address lt cr gt where address Transmitter address range 0 255 Example addr Address 0 2 45 USER S GUIDE Set Serial Line Response Time With the SDELAY command you can set delay response time of the serial line or view the currently set delay value Increasing the value by one increases the delay by 4 milliseconds For example the default
4. 992 bara Rhoo 6 0 kg m3 T 22 8 C POES S L TO Tdrfatme 6 2 TOSOH20 10979 ppm P i502 bara Pnorm 0 992 bara Rhoo 6 0 kg m3 T 22 8 C Command to set output format as Tdf and P with Modulus 256 checksum tomm S T Vora Wor Us 3 9 p pou p WW eee Age Sar Output example Tdf 12 95 Tdf 12 95 0 949 bara 72 C P C P 0 950 bara 6A Command to set output format as Tdf and P with start of text ASCII character 002 and end of text 003 ASCII codes and without line feed and carriage return at the end form 4002 3 1 ars mdr Us mg WEST pesce D EDS Output example ASCII codes not visible here Tat Diego R 952 paral diS dl 06 Be 10295 Darertuore ll o CG P 0 951 barardf li o C P 0 950 DaraTdf T2 o Q P 0 95912 baraTdr I2 C P 0 9502 bara M211371EN B Chapter 5 VAISALA Operation Table 6 FORM Command Parameters Measured Parameter Abbreviation in FORM Command Dewpoint frost point temperature Dewpoint frost point temperature Tdfa converted to atmospheric pressure ppm moisture by volume Pressure absolute PO Table 7 FORM Command Modifiers Modifier Description oO S O Stringconstantlength 1 15 characters ASCII code value decimal of a special character for example 027 for ESC ADDR Transmitter address 0 255 Currently active transmitter errors in a four bit field bitObit1 bit2bit3bit4 bitO T MEAS error bit1 P out of range error bit2 Fmeas er
5. After the measurement has stabilized check the difference between the readings It will give you an indication of the approximate drift of the DPT145 and its need for calibration The difference between the readings should be no greater than the combined measurement uncertainty of the DPT145 and the reference probe 8 Write down the results and repeat the comparison for each parameter you want to check 9 If adjustment is required contact a Vaisala Service Center or your local Vaisala representative to have the DPT145 adjusted Some notes on using the MI70 indicator with the DPT145 If you disconnect the DPT145 while the MI70 indicator is on the quantities measured will remain on the screen but no measurement will be shown Temperature measured by the DPT145 1s shown as parameter Ta not T in the MI70 The messages from the transmitter will appear in English even if the MI70 has been set to another language VAISALA 51 USER S GUIDE Repair Maintenance There are no user serviceable parts inside the transmitter If there is a problem with your transmitter that you are unable to solve yourself or with the help of the Vaisala Helpdesk contact a Vaisala Service Center to have the transmitter repaired For troubleshooting instructions and Vaisala contact information see Chapter 7 Troubleshooting on page 53 52 M211371EN B Chapter 7 Troubleshooting CHAPTER 7 TROUBLESHOOTING This chapter describes common
6. Shield 25 WV IPMN ne 28 USER S GUIDE Standard WINN usse a dee eee 28 Alternate Wiring for Power Supply 29 Stabilization of Dewpoint Reading After Installation 29 CHAPTER 5 OPERATION mE Toii 31 Transmitter Start Ubp reir oreet o cao nece eiue 31 Serial Communication eese eese eere nennen 32 Connecting to the Serial Interface 32 Installing the Driver for the USB Service Cable 32 Terminal Application Settings sssssuuse 33 List of Serial Commands eeeeeeee eene 35 Device Information secede esses ee seas cack 36 Show Device Information ccccceccccceececeeeeeeeneeeaeeeeeeeees 36 Show Currently Active Errors cccccceceeesseeeeeeeeeeeeeeeeenens 37 Show Command List cccccsecccsseecceseeceeseecceeeeceeeenaeees 37 Show Firmware Version ccccceecccceeecceeeeeeeeeceeeeeseeeesanees 38 Show Serial Number cccccseccccesceceececeeeeecseeeeseneesseaees 38 Serial Line Output Commands 38 Start Measurement Output eeeeseeseseeeeese 38 Stop Measurement Output eeeeeseeeeeeeeeese 39 Set Output Interval
7. Table 13 Performance Property Description Value Dewpoint accuracy 3 C 5 4 F see Figure 11 on page 58 Dewpoint stability typical drift lt 2 C 3 6 F 5a Pressure accuracy at 23 C 73 4 F 0 4 FS Pressure temperature dependence 0 1 FS 10 C 18 F Temperature accuracy 0 40 C 32 104 F 0 5 C 0 9 F 40 80 C 40 176 F 1 C 1 8 F Density accuracy pure SFs 1 10 bara 0 40 C 32 104 F 1 FS 40 60 C 40 140 F 2 2 ppm accuracy typical 5 1000 ppm 7 bar 7 ppm 15 of reading Sensor response time Pressure response time 1s Dewpoint response time 63 90 at 20 C and 1 bar 50 gt 10 C Tdf 5 s 10 s 10 gt 50 C Tdf 10 s 2 5 min system equilibrium related response time is typically longer VAISALA 57 USER S GUIDE 58 Not recommended for continuous measurement Accuracy 3 C Td O o N ab gt un o Q D TB E O Q D e Dewpoint measurement low limit 40 30 20 10 0 10 20 30 40 50 60 70 80 Temperature of measured gas C 1107 032 Figure 11 DPT145 Dewpoint Measurement Accuracy Table 14 Operating Environment Property Description Value Operating temperature of electronics 40 60 C 40 140 F Pressure 0 50
8. bar 0 725 psi Relative humidity 0 100 Measured gases SFe SF6 N mixture Table 15 Outputs Property Description Value Digital output RS 485 non isolated Vaisala protocol 4 pin M8 M211371EN B Chapter 8 Technical Data Table 16 General Property Description Value Vaisala MPS1 multiparameter sensor Operating voltage i 28 VDC 28 VDC in Pi temperatures 20 C 40 4 F Supply current during normal measurement during seli diagnostics max 300 mA pulsed Housing classification IP65 NEMA4 Weather shield to be used for continuous outdoor installations Storage temperature range transmitter only 40 80 C 40 176 F shipment package 20 80 C 4 176 F DILO DN20 ABB Malmkvist or Alstom G1 2 compatible connector Electromagnetic compatibility Complies with EMC standard EN61326 1 Electrical equipment for measurement control and laboratory use EMC requirements Industrial environment Tested levels EN IEC 61000 4 2 Electrostatic Discharge 8kV con 15kV air EN IEC 61000 4 3 RF field immunity 10V m 80MHz 4 2GHz EN IEC 61000 4 4 Electric Fast Transient 2kV power and signal EN IEC 61000 4 5 Surge 2kV power line to ground 1kV signal line to ground and power line to line EN IEC 61000 4 6 Conducted RF Immunity 10Vemf power line and digital output Mechanical vibration EN IEC 60068 2 6 Fc Sinusoidial vibration 6 g 5 500 Hz s
9. moisture inside it In still dry gas it takes a long time until vapor pressure inside the measurement cell reaches equilibrium with the main gas tank It 1s not unusual for the stabilization of the dewpoint reading to take several days after installation VAISALA 23 USER S GUIDE Installation Without Weather Shield 1 Remove the yellow transport protection plug when you are ready to install the transmitter Install the transmitter to the mechanical coupling and tighten by hand Use a wrench to tighten the connection Turn from the adapter not from the transmitter body Use sufficient force to achieve a tight installation The system must be leak free for accurate measurement Connect the cable to port II on the transmitter Use a cable with a suitable connector for your installation straight or angled Let some of the cable hang from the back of the transmitter so that condensation cannot run along the cable to the transmitter 24 M211371EN B Chapter 4 Installation Installation With Weather Shield 1 When DPT 145 is ordered with the weather shield the transmitter is delivered already attached to the shield If you have ordered the weather shield separately attach the transmitter to the weather shield before continuing this procedure Fit the clamp of the weather shield over the adapter not the transmitter body For ABB Malmkvist and Alstom G1 2 type adapters place the clamp over the n
10. problems their probable causes and remedies and provides contact information for technical support Solving Typical Problems Some problems can be solved by simply resetting the transmitter You can reset the transmitter by disconnecting the power or issuing the RESET command using the service port If resetting does not help and if the problem is related to transmitter software or settings you can restore the factory configuration of the transmitter by issuing the FRESTORE command If you are unable to solve your problem with the transmitter contact Vaisala technical support See section Technical Support on page 55 Table 9 Troubleshooting Table Possible Causes and Solutions Dewpoint reading is not stable This is normal behavior after installation See after installation reading section Stabilization of Dewpoint Reading indicates slow drying After Installation on page 29 Pressure reading is not stable Leak in the measurement environment reading indicates falling Locate and repair the leak pressure Dewpoint temperature may be rising Transmitter outputs stars Possible causes damaged sensor incorrect instead of measurement data supply voltage and unsuitable measurement environment Power cycle or reset the transmitter and see if the problem continues Check the active errors using the ERRS command Check the power supply Unable to access transmitter on Possible causes Incorrect wiring unknown th
11. terminal program There is no reason to uninstall the driver for normal use However if you wish to remove the driver files and all Vaisala USB cable devices you can do so by uninstalling the entry for Vaisala USB Instrument Driver from the Add or Remove Programs Programs and Features in Windows Vista in the Windows Control Panel 32 M211371EN B Chapter 5 VAISALA Operation Terminal Application Settings The serial interface settings of the DPT145 RS 485 line are presented in Table 4 below Table 4 Default Serial Interface Settings Property Description Value 19200 Bo Data bits Stop bits Flow control The steps below describe how to connect to the DPT145 using the PuTTY terminal application for Windows available for download at www vaisala com and a USB serial interface cable 1 Connect the USB serial interface cable between your PC and the RS 485 port of DPT145 port II start the PuTTY application 3 Select the Serial settings category and check that the correct COM port is selected in the Serial line to connect to field Note You can check which port the USB cable is using with the Vaisala USB Instrument Finder program that has been installed in the Windows Start menu 4 Check that the other serial settings are correct for your connection and change if necessary Flow control should be set to None unless you have a reason to change it 5 Click the Open button to open the connection wind
12. 145 Chapter 6 Maintenance provides information that is needed in basic maintenance of the DPT145 Chapter 7 Troubleshooting describes common problems their probable causes and remedies and provides contact information for technical support Chapter 8 Technical Data provides the technical data of the DPT145 USER S GUIDE Version Information Table 1 Manual Revisions Manual Code M211371EN B October 2011 This manual Updated technical specification Minor editorial corrections M211371EN A Previous version Related Manuals Table 2 Related Manuals Manual Code M211369EN DPT145 Quick Guide Documentation Conventions Throughout the manual important safety considerations are highlighted as follows WARNING Warning alerts you to a serious hazard If you do not read and follow instructions very carefully at this point there 1s a risk of injury or even death CAUTION Caution warns you of a potential hazard If you do not read and follow instructions carefully at this point the product could be damaged or important data could be lost NOTE Note highlights important information on using the product 8 M211371EN B Chapter 1 Safety WARNING CAUTION CAUTION CAUTION VAISALA General Information The DPT145 transmitter delivered to you has been tested for safety and approved as shipped from the factory Note the following precautions Ground the product and verify outdoor installati
13. 5 ccccccecceesseeeeeeeeeeeeseeeeeeeneeeees 28 Figure 8 Wiring Power Supply Using Port sssssss 29 Figure 9 PuTTY Terminal Application eeeeeeeeeeeeeeeee 34 Figure 10 Comparing Dewpoint Readings on MI70 51 Figure 11 DPT145 Dewpoint Measurement Accuracy 58 Figure 12 DPT145 with DILO DN20 Adapter esee 61 Figure 13 DPT145 with ABB Malmkvist Adapter 61 Figure 14 DPT145 with Alstom G1 2 Adapter sss 62 Figure 15 DPT145 with DILO DN20 Adapter and Weather Shield 62 List of Tables Table 1 Manual IeVISIOFlS i ose est metes be y DN Dese dURM EUR ORC ERAT LM LUE 8 Table 2 Related ManuallS ccccccccccccsccceseeceseeceeecceeeseucecaueesseeesseesnens 8 Table 3 Output Parameters of DPT145 ce ccecccseeeceeeeseeeneeeeeees 13 Table 4 Default Serial Interface Settings sseeesssssse 33 Table 5 List of Serial Commands cccccecccseseeceeeeeseeecaeeeseeeeseaees 35 Table 6 FORM Command Parameters c ccccccsseeceeeceseeeeeeeeeessaeees 43 Table 7 FORM Command Modifier S cccccceccccceeeceeeceeseeeeeeeeeeseeees 43 Table 8 Selection of Output Modes eeeeeeeeeeeeeeeeeeee 44 Table 9 Troubleshooting Tabl
14. 5 for SFe Gas is protected by for example the following patents and their corresponding national rights Finnish patent 98861 French patent 6650303 German patent 69418174 Japanese patent 3585973 UK patent 0665303 and U S patent 5607564 Trademarks BAROCAP and DRY CAPQ are registered trademarks of Vaisala Oyj Windows is a registered trademark of Microsoft Corporation in the United States and or other countries License Agreement VAISALA 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 1s provided by the applicable supply contract or Software License Agreement USER S GUIDE Warranty 12 Visit our Internet pages for more information and our standard warranty terms and conditions www vaisala com warranty Please observe that any such warranty may not be valid in case of damage due to normal wear and tear exceptional operating conditions negligent handling or installation or unauthorized modifications Please see the applicable supply contract or Conditions of Sale for details of the warranty for each product M211371EN B Chapter 2 Product Overview CHAPTER 2 PRODUCT OVERVIEW This chapter introduces the features advantages and the product nomenclature Introduction to DPT145 Vaisala Multiparameter Transmitter DPT145 for SF Gas is a digital transmitter with a non isolated RS 485 output Its compact size makes i
15. M211371EN B Chapter 6 Maintenance CHAPTER 6 MAINTENANCE This chapter provides information that is needed in basic maintenance of the DPT145 Periodic Maintenance Cleaning The body of the transmitter can be cleaned by wiping with a moistened lint free cloth Do not immerse the transmitter in liquid and do not use cleaning agents or solvents Calibration and Adjustment DPT145 is fully calibrated as shipped from factory If there is a reason to believe that device 1s not within the accuracy specifications you can perform a field check using the DM70 hand held dewpoint meter or an MI70 indicator with another DPT145 If the field check indicates that the DPT145 1s not within its accuracy specifications contact a Vaisala Service Center or your local Vaisala representative to have the DPT145 adjusted VAISALA 49 USER S GUIDE Field Check Using an MI70 Indicator Vaisala recommends the following equipment for field checking A fully charged MI70 indicator the measurement display that 1s included in the DM70 package A calibrated reference probe that is suitable for the intended measurement environment and dewpoint range The DMP74C probe 1s recommended for checking the dewpoint and temperature measurement accuracy For checking all parameters you can use another DPT145 transmitter as a reference You also need a connection cable Vaisala order code 219980 to connect the DPT145 to the MI70 indicator If you hav
16. VAISALA Vaisala Multiparameter Transmitter DPT145 for SF Gas e get SA Ties Y won RE Md V M211371EN B PUBLISHED BY Vaisala Oyj Phone int 358 9 8949 1 P O Box 26 Fax 358 9 8949 2227 FI 00421 Helsinki Finland Visit our Internet pages at www vaisala com Vaisala 2011 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 VAISALA CHAPTER 1 GENERAL INFORMATION 0 ccccccssceeeseeeeeeeeeecaneecaeeeesaseescaneeseaneeseaneesones 7 About This Manual ccccccsceceeseeeeeeesneeeeseeeeeeeeeeeeeneesanessees 7 Contents of This Manual c cccccceececeeeeeeeeeeeeeeeeeeeeeeeas 7 Version Information sssrini ASE 8 Related Manuals ccccccscccsececeseeceeeeeeeeceseeseusesseeeeaeesees 8 Documentation Conventions cccccceeceseeceeeeeeeeeeeeeeeeeees 8 SA OY e aac E E 9 ESO Protector a a sea est scenes 10 aile eire T 10 Regulatory Complia
17. adapter options are DILO DN20 ABB Malmkvist Alstom G1 2 Optional accessories Weather shield necessary for outdoor installations USB service cable for configuration and calibration 1107 031 Figure 1 DPT145 with DILO DN20 Adapter 14 M211371EN B Chapter 2 Product Overview Transmitter Parts 1107 033 DPT145 Transmitter Parts and Adapters Port I Supply voltage only optional does not have to be used Port II RS 485 line and supply voltage Type label Connection between transmitter body and adapter do not open DILO DN20 adapter 50 mm nut with MA5 X2 inner thread ABB Malmkvist adapter Alstom G1 2 adapter Transport protection cap remove only when ready to install CON DWN MN B WN ll VAISALA 15 USER S GUIDE Weather Shield The transmitter and its connectors are rated IP65 However installing the transmitter outside without protection is not recommended The installation should be such that the transmitter 1s not exposed to direct rain icing or solar radiation A suitable weather shield 1s available from Vaisala The weather shield 1s designed to clamp over the adapter and to accommodate the available cable options 1108 022 Figure 2 Weather Shield DPT145 is assembled to the weather shield at the factory if the weather shield is ordered with the transmitter Weather shields are also available separately 16 M211371EN B Chapter 3 Functional Descript
18. caused by physical damage to the sensor errs T MEAS error Show Command List Use the HELP command to show a list serial commands HELP lt cr gt Example help ADDR CLOSE ERRS FORM ERESOTORE INTV OPEN R RESET SDELAY SEND OERI SMODE SNUM TIME UNIT VERS PNORMT MIXRATIO N2MOLW 37 USER S GUIDE Show Firmware Version VERS lt cr gt Example vers DETI L20225 Show Serial Number SNUM lt cr gt Example snum Serial number F4040007 Serial Line Output Commands 38 Start Measurement Output Use the R command to start the continuous outputting of measurement values as an ASCII text string to the serial line The format of the measurement message is set with the FORM command R lt cr gt Example measurement message in default format r Tars L2 5 e Tafatm 53 0 Ce H20 15561 ppm 0 947 bara Pnorm 0 943 bara Rhoo 1 1 kg m3 T 24 5 C TACS 12 5 o Tdfarm 13 6 tC H20 15565 ppm P 0 947 bara Pnorm 0 942 bara Rhoo 1 1 kg m3 T 24 5 C Tdr 125 0 CO Idfatm 1545 Co AZO 15555 ppm P 0 949 bara Pnorm 0 943 bara Rhoo 1 1 kg m3 T 24 5 C Outputting the results continues in intervals issued with the command INTV You can stop the output by pressing the Esc key or with the command S Since the interface 1s half duplex you must enter the commands when the transmitter 1s not outputting M211371EN B Chapter 5 VAISALA Operation Stop Measurement Output You can s
19. e cccccccsccccseceesseeeeseeeeseeeesaeeeeseeeeesees 53 Table 10 Error Messages e o4 Table 11 Measured Parameters ccccscccsececsseceeeeceeeeseeeeeseeseaeeseeesees 57 Table 12 Calculated Parameters cccccccccceeccsseceeseeeeseeeeeseesesseeeeees 57 Table 13 PerormaNCE t EO Oo 0o M 57 Table 14 Operating EnviroOnMent ccccccseesceeeseeeeeeeeeeeeseeeeeesaeeeeeeas 58 Table 15 TOOTS a E 58 Table 16 Generale iiti bn o ON texte eos beset dod 59 Table 17 DPT145 Spare Parts and Accessories 60 M211371EN B Chapter 1 CHAPTER 1 General Information GENERAL INFORMATION This chapter provides general notes for the manual and the DPT145 About This Manual This manual provides information for installing operating and maintaining Vaisala Multiparameter Transmitter DPT145 for SF Gas Contents of This Manual This manual consists of the following chapters VAISALA Chapter 1 General Information provides general notes for the manual and the DPT145 Chapter 2 Product Overview introduces the features advantages and the product nomenclature Chapter 3 Functional Description describes the primary application and the sensor technology of DPT145 Chapter 4 Installation provides you with information that is intended to help you install the DPT145 Chapter 5 Operation contains information that 1s needed to operate the DPT
20. e RS 485 line serial settings transmitter in POLL mode with unknown address Check wiring Try connecting as instructed in section Unknown Serial Settings on page 54 Issue the command to make the transmitter respond in POLL mode VAISALA 53 USER S GUIDE Error Messages The transmitter has error codes that can be displayed on the serial line using the ERRS command See section Show Currently Active Errors on page 37 Table 10 Error Messages Possible Cause and Solution Contact a Vaisala service center Check and correct Internal transmitter error If the error remains after a reset and restoring the factory settings contact a Vaisala service center Unknown Serial Settings 54 If you are not sure what the current serial settings of your transmitter are follow the steps below to connect to the transmitter This procedure assumes you have the USB service cable available For more information on the USB service cable and the PuTTY terminal application see section Serial Communication on page 32 l Connect the USB service cable to your PC but do not connect it to the transmitter yet 2 Start a terminal application and open a terminal session using the default serial settings of 19200 8 N 1 3 Plug the USB service cable into the transmitter and immediately send the hash character 7 to the serial line it 4 The normal startup of the transmitter is now interrupted and the transmitter is available
21. e two DPT145 transmitters you need two cables In the procedure below the readings of the transmitter and the reference probe are checked simultaneously You can also check the reference probe and the DPT145 separately if they cannot be connected at the same time Perform the check as follows 1 Place the reference probe and the DPT145 in the reference environment 2 Connect the reference probe and the DPT145 to the MI70 indicator Reference probe to Port I DPT145 to Port II 3 Turn on the MI70 indicator Check and adjust the environment settings if prompted Refer to the DM70 User s Guide for the settings of the DMP74C probe 5 Disable the Auto power off function of the MI70 indicator to prevent the indicator from powering off in the middle of the check Check the setting in the Settings User Interface menu and change if necessary 6 The MI70 can display three parameters at one time To compare the readings of the DPT145 and the reference probe select the desired parameter from the Display Quantities and Units menu of the MI70 Select the same parameter from port I and II and the delta parameter that shows the difference between the two For example AT shows the difference in dewpoint between the two probes 50 M211371EN B Chapter 6 Maintenance B i PII i 0bara Tar 322 C la 32 1 Afar 01 C COT ite GE Chee 1108 039 Figure 10 Comparing Dewpoint Readings on MI70 7
22. ensor technology for industrial dewpoint measurement with BAROCAP pressure sensor technology Both technologies are integrated on the same MPS1 multiparameter sensor element allowing for a highly compact and versatile transmitter 1108 021 Figure 3 MPS1 Sensor There are several important advantages in using a transmitter with an integrated sensor Reduces installation work and cost Improves the leak tightness of the system as connection points are minimized Enables online monitoring of all supported parameters DRYCAP Technology Vaisala DRYCAP dewpoint measurement technology ensures accurate measurement with excellent long term stability This results in very low maintenance requirements for the transmitter The lasting performance is achieved with microprocessor technology and software that automatically performs self diagnostic functions in addition to the normal dewpoint measurement The self diagnostic procedures that are conducted are called auto calibration and sensor purge M211371EN B Chapter 3 VAISALA Functional Description Auto Calibration The auto calibration feature of the MPSI multiparameter sensor is an automatic procedure which greatly reduces the possible drift in the dry end of the dewpoint measurement It is performed at one hour intervals and when the power is switched on During auto calibration the sensor is warmed for a short period lt min and the sensor capacitance va
23. for transmitters in POLL mode RUN STOP or POLL UNIT m n Select metric or non metric units VERS Show transmitter firmware version PNORMT 100 100 Show or set the temperature for pressure normalization MIXRATIO 0 100 Show or set ratio 9o of SFg in the measured environment N2MOLW weight Show or set molecular weight of other gas 35 USER S GUIDE Device Information 36 Show Device Information The command outputs a listing of device information lt cr gt Command is a similar command that is designed to be used 1f the transmitter is in POLL mode but its address is unknown The transmitter will respond to the command even while in POLL mode Do not use the command if you have more than one transmitter on an RS 485 line Example 2 DET LeU Serial number Batch number Module number Sensor number Cal date Cal info Time Serial mode Baud P DS Output interval Serial delay Address Mixing ratio Ideal gas MolW F4040007 F3420050 F3410001 F1610000 2010907 Vaisala HEL 02 41 01 S OP 19200 N 8 1 5 9 TO 0 1004003 SFO and 0 00 ideal gas 2 9013401e 02 kg mol M211371EN B Chapter 5 VAISALA Operation Show Currently Active Errors Use the ERRS command to display the currently active transmitter error messages Possible errors and their causes are listed in Table 10 on page 54 ERRS lt cr gt Example errs No errors Example one active error
24. for commands with the default serial settings 5 You can now check the transmitter s information by issuing the command The transmitter s currently stored serial settings are visible on the line marked Baud P D S M211371EN B Chapter 7 Troubleshooting Technical Support For technical questions contact the Vaisala technical support by e mail at helpdesk vaisala com Provide at least the following supporting information Name and model of the product in question Serial number of the product Name and location of the installation site Name and contact information of a technically competent person who can provide further information on the problem Product Returns VAISALA If the product must be returned for service see www vaisala com returns For contact information of Vaisala Service Centers see www vaisala com servicecenters 55 USER S GUIDE 56 This page intentionally left blank M211371EN B Chapter 8 Technical Data CHAPTER 8 TECHNICAL DATA This chapter provides the technical data of the DPT145 Specifications Table 11 Measured Parameters Measured Range 50 30 C 58 86 F Pressure absolute 1 10 bar 14 5 145 psi 40 80 C 40 176 F Table 12 Calculated Parameters 1 12 bara 14 5 174 psia SFs or SFe Nz mixture density O 100 kg m Dewpoint converted to atmospheric 65 30 C 85 86 F pressure
25. however by delivering electrostatic discharges when touching removing or inserting any objects inside the equipment housing To make sure you are not delivering high static voltages yourself Handle ESD sensitive components on a properly grounded and protected ESD workbench When an ESD workbench is not available ground yourself to the equipment chassis with a wrist strap and a resistive connection cord Ifyou are unable to take either of the above precautions touch a conductive part of the equipment chassis with your other hand before touching ESD sensitive components Always hold component boards by the edges and avoid touching the component contacts Recycling Recycle all applicable material Dispose of the unit according to statutory regulations Do not dispose of with regular household refuse 10 M211371EN B Chapter 1 General Information Regulatory Compliances The Vaisala Multiparameter Transmitter DPT145 for SF Gas is in conformity with the provisions of the following EU directive s EMC Directive Conformity is shown by compliance with the following standards EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements for use in industrial locations EN 550022 Information technology equipment Radio disturbance characteristics Limits and methods of measurement C q b Patent Notice The Vaisala Multiparameter Transmitter DPT14
26. ion CHAPTER 3 FUNCTIONAL DESCRIPTION This chapter describes the primary application and the sensor technology of DPT145 Measurement Needs of SF Insulation Sulphur hexafluoride SF is used as an insulating gas in transmission and distribution equipment such as switchgears and circuit breakers It effectively prevents arcing during switch offs and protects equipment from failures In order to maintain SF insulation properties and to reduce the formation of unwanted secondary decomposition products the amount of water vapor in the gas insulated system GIS should be kept to a minimum Also the SF system needs to be pressure tight for best insulation performance and safe operation of the equipment There is always some diffusion of water molecules from high ambient water vapor pressure to low vapor pressure inside the system The more connection points the higher the diffusion rate DPT145 is ideally suited to the online monitoring of dewpoint pressure and temperature in such a system Sudden and minor leakages are immediately detected by the direct normalized pressure measurement while online dewpoint measurement alerts the user to moisture issues With online monitoring on site visits can be kept to a minimum The long calibration interval of DPT145 means practically service free operation VAISALA 17 USER S GUIDE Sensor Technology 18 MPS1 Multiparameter Sensor DPT145 combines Vaisala s proven DRYCAP s
27. ize its measurement performance and availability 20 M211371EN B Chapter 4 Installation CHAPTER 4 INSTALLATION This chapter provides you with information that 1s intended to help you install the DPT145 Transmitter Configuration Before Installation Depending on your application you may need to configure some transmitter features before physically installing it l By default DPT145 transmitters are configured for single transmitter operation Serial operation mode is STOP and address 1s 0 To configure transmitters for operation on a common line you must give each transmitter a unique address range 0 255 and set their serial operation mode to POLL 2 The default serial line settings may not be right for your RS 485 line 3 You may need to change the transmitter s settings for the measured gas You can configure the mixing ratio of SFe and the molar weight of the other gas An easy way to configure the measured gas is to connect the DPT145 to the MI70 indicator using the MI70 connection cable Vaisala order code 219980 You can change the settings in the Measurement Settings menu See Figure 5 below HEASUBPBEHEHT SETTINGS Address 5 HOLH 0 02801 m EXIT 1108 039 Figure 5 DPT145 Configuration with the MI70 Indicator VAISALA 21 USER S GUIDE For full configuration options use the USB service cable and a terminal program on a PC Instructions for using the serial line and the seria
28. l commands are provided in Chapter 5 Operation on page 31 Selecting the Location 22 Online dewpoint measurement in still gas is much more demanding than pressure or temperature measurement A very tight installation 1s crucial not only pressure tight but also vapor tight It is always best to connect the transmitter directly to the main SF gas volume not behind a sampling line Avoid extension pipes T pieces and multi connection points 1108 034 Figure 6 Indoor Installation in a Circuit Breaker M211371EN B Chapter 4 Installation Warning Read Before Installation CAUTION Do not drop or hit the transmitter The sensor 1s fragile and may break from a sudden shock When transporting the transmitter use the original shipping box from Vaisala CAUTION Do not open the connection between the adapter and the transmitter They are connected at the factory and the connection should remain unopened to guarantee tightness Use tools only on the nut of the adapter where the transport protection cap 1s connected NOTE Keep the transmitter dry and clean Do not remove the yellow transport protection cap before you are ready to install the transmitter Uncapped transmitters will absorb moisture which will affect the dewpoint measurement NOTE Connect the transmitter directly to the main SF gas volume not behind a sampling line After installation the transmitter will have a small amount of
29. lues are evaluated at the elevated temperature The possible dry end drift is then corrected to correspond to the calibrated values During the auto calibration the transmitter outputs the dewpoint value prior to the procedure Auto calibration is carried out only if several criteria for the measurement environment are fulfilled This ensures the reliability of the adjustments and maintains the excellent long term stability These criteria include for example a stable enough moisture level in the measured atmosphere If the conditions are not fulfilled the auto calibration function 1s postponed until satisfactory conditions are reached Sensor Purge Sensor purge is also an automatic procedure that minimizes the drift at the wet end readings of the dewpoint measurement Sensor purge 1s performed twice a day and five minutes after the power 1s switched on The sensor is heated for several minutes which will then evaporate all excess molecules out of the sensor polymer This together with the auto calibration results in a very small drift of the sensor due to the very linear behaviour of the polymer technology BAROCAP Technology The BAROCAPO silicon capacitive absolute pressure sensor was developed by Vaisala for barometric pressure measurement applications The BAROCAP sensor has excellent hysteresis and repeatability characteristics low temperature dependence and a very good long term stability The ruggedness of the BAROCAP se
30. mall amount of moisture inside it In still dry gas it takes a long time until vapor pressure inside the measurement cell reaches equilibrium with the main gas tank It is not unusual for the stabilization of the dewpoint reading to take several days after installation 29 USER S GUIDE 30 This page intentionally left blank M211371EN B Chapter 5 Operation CHAPTER 5 OPERATION This chapter contains information that is needed to operate the DPT145 Transmitter Start Up When the transmitter is connected to power supply there 1s a delay of five seconds as the transmitter starts up After the start up is complete the transmitter will behave according to the configured serial mode In STOP mode the transmitter outputs the transmitter model and software version In RUN mode a measurement output starts immediately In POLL mode the transmitter does not output anything after power up For a description of the modes see section Set Serial Line Operating Mode on page 44 For a description of how the diagnostic functions of the sensor affect the availability of live measurement at start up see section DPT145 Startup Sequence on page 20 VAISALA 31 USER S GUIDE Serial Communication Connecting to the Serial Interface DPT145 can be connected to a PC using the RS 485 line on Port II It is recommended that you use the USB service cable Vaisala order code 219690 for the connection since the cable also
31. nces cessere 11 Patent NOUUGCE c 11 E ciel dul CR 11 License Agreement eeeeeeeeeeeeeee nennen 11 lura 12 CHAPTER 2 PRODUCT OVERVIEW ocreses baec op eu ve eese Eee a Ue pce Osee e eo ee ioco Pee eee 13 Introduction to DPT145 aor etri errat cota eoe sire eo priv teneis 13 Basic Features and Options 14 Transmitter Parts ipio ra o a od ERE cer un 15 Weather Shield onec ieee ooi eic Eee ees 16 CHAPTER 3 FUNCTIONAL DESCRIPTION 1 eeeeeeneeee ene e nennen nnn nana 17 Measurement Needs of SF Insulation 17 Sensor Technology eeeeeeee eese nennen 18 MPS1 Multiparameter Sensor eeeesseesse 18 DRYCAPG Technology auditi iuberet stets i idus 18 Auto Calbrato nizen dada ieee ts 19 SENSOR PUJE discre A buta in ots 19 BAROGAP Technology xcii oaa Pate rb ebat Lo 19 DPT145 Startup Sequence esee 20 CHAPTER 4 BINS 18 F wgle lmcm c REN 21 Transmitter Configuration Before Installation 21 Selecting the Location eeee esses 22 Warning Read Before Installation 23 Installation Without Weather Shield 24 Installation With Weather
32. nsor is outstanding and the sensor is resistant to mechanical and thermal shocks The pressure measurement of the MPS1 multiparameter sensor is based on an advanced RC oscillator and reference capacitors against which the capacitive pressure sensor is continuously measured The microprocessor of the transmitter performs compensation for pressure linearity and temperature dependence 19 USER S GUIDE DPT145 Startup Sequence When the transmitter is powered up it will perform the sequence shown in Figure 4 below After a five second startup the transmitter will measure normally for five minutes after which it will perform the sensor purge and auto calibration functions This can take up to six minutes during which time the output is frozen it will display the last measured values before the sensor purge began Normal operation and output is typically achieved no later than 11 minutes after startup The sensor purge will repeat every 12 hours and auto calibration every hour The output will again be frozen for their duration Purge Autocal 3 4 min 2 min Startup Normal output Output frozen Normal output Time 5s 5 min 3 6 min Purge will repeat every 12 hours Autocal will repeat every 60 minutes is postponed if environment is not suitable 1108 033 Figure 4 DPT145 Startup Sequence The transmitter always performs this sequence when starting up Keep the transmitter continuously powered to optim
33. o X5 M211371EN B Chapter 5 VAISALA Operation Set Molar Weight of Other Gas Use the N2MOLW command to set the molar weight of the other gas not SF in the measurement environment N2MOLW weight lt cr gt where weight Molar weight of the other gas in kg mol The default is 2 8013401e 02 which is the molar mass of N2 Example n2molw OTHER GAS MOLAR 2 8013401e 02 kg mol Set Pressure Normalization Temperature Use the PNORMT command to set the temperature that 1s used to calculate the normalized pressure parameter PNORMT t lt cr gt where t Temperature in Celsius range 100 100 The default is 20 Example pnormt 20 P NORM T S 20 00 6 41 USER S GUIDE 42 Set Measurement Output Format Use the serial line command FORM to change the measurement message sent by the transmitter You can freely define the output message to include the desired parameters formatting options text strings and additional fields FORM modifier string lt cr gt where modifier string String of parameters and modifiers that defines the output format length 1 153 characters Maximum length may be shorter when text strings are used See Table 6 and Table 7 on page 43 and examples below You can return to the default format using the FORM command Example of default output continuous output from RUN mode Tars osl Tdfatm O 2 C H20 10670 ppm P 1 002 bara Pnorm 0
34. on grounding periodically to minimize shock hazard Do not modify the unit Improper modification can damage the product or lead to malfunction Do not drop or hit the transmitter The sensor is fragile and may break from a sudden shock When transporting the transmitter use the original shipping box from Vaisala Do not open the connection between the adapter and the transmitter They are connected at the factory and the connection should remain unopened to guarantee tightness Use tools only on the nut of the adapter where the transport protection cap is connected Keep the transmitter dry and clean Do not remove the yellow transport protection cap before you are ready to install the transmitter Uncapped transmitters will absorb moisture which will affect the dewpoint measurement Connect the transmitter directly to the main SF gas volume not behind a sampling line After installation the transmitter will have a small amount of moisture inside it In still dry gas it takes a long time until vapor pressure inside the measurement cell reaches equilibrium with the main gas tank It is not unusual for the stabilization of the dewpoint reading to take several days after installation USER S GUIDE ESD Protection Electrostatic Discharge ESD can cause immediate or latent damage to electronic circuits Vaisala products are adequately protected against ESD for their intended use It is possible to damage the product
35. otches in the adapter 2 Use an 8 mm box end wrench to loosen the four bolts that hold the weather shield cover Remove the cover It is not necessary to remove the bolts they can remain in place during installation 3 Remove the yellow transport protection plug Make sure the surfaces are clean and dry VAISALA 25 USER S GUIDE 4 Install the transmitter to the mechanical coupling and tighten by hand Try to keep the weather shield level 5 Use a wrench to tighten the connection Turn from the adapter not from the transmitter body Use sufficient force to achieve a tight installation The system must be leak free for accurate measurement If the weather shield 1s tilted after the installation you can straighten it by loosening the two nuts that keep the clamp tight Tighten the nuts after weather shield is straight Note The cable with the angled connector has a fixed direction and is designed to be routed straight down from port II If you rotate the transmitter inside the weather shield or if you have the Alstom G1 2 type adapter you may have to use a cable with a straight connector 26 M211371EN B Chapter 4 VAISALA 6 Installation Connect the cable to port II on the transmitter and route the cable to the cable clamp on the underside of the weather shield Attach the cable using a crosshead screwdriver Note Let some of the cable hang from the back of the transmitte
36. ow and start using the serial line Note If PuTTY is unable to open the serial port you selected it will show you an error message instead If this happens restart PuTTY and check the settings 6 You may need to adjust the Local echo setting in the Terminal category to see what you are typing on the serial line To access the configuration screen while a session is running click the right mouse button over the session window and select Change Settings from the pop up menu 33 USER S GUIDE r1 i PuTTY Configuration H Session Options controlling local serial and USE lines i Teminal Select a seral USB line Window USB Finder Configure the serial USB line speed baud Data bits stop bits Parity Flow control 0807 004 Figure 9 PuTTY Terminal Application 34 M211371EN B Chapter 5 Operation List of Serial Commands VAISALA All commands can be issued either in uppercase or lowercase In the command examples the keyboard input by the user 1s in bold type The notation lt cr gt refers to pressing the carriage return Enter key on your computer keyboard Enter a lt cr gt to clear the command buffer before starting to enter commands Table 5 List of Serial Commands device to POLL mode INTV 0 255 S MIN H Set the continuous output interval for RUN mode and R command Rs Start the continuous outputting SEND 0 255 Output readings once specify address
37. provides the operating power from the USB port If you have not used the USB service cable before install the driver that came with the cable Refer to section Installing the Driver for the USB Service Cable below for detailed instructions Installing the Driver for the USB Service Cable Before taking the USB service cable into use you must install the provided USB driver on your PC When installing the driver you must acknowledge any security prompts that may appear The driver is compatible with Windows 2000 Windows XP Windows Server 2003 and Windows Vista l Check that the USB service cable is not connected Disconnect the cable if you have already connected it 2 Insert the media that came with the cable or download the driver from www vaisala com 3 Execute the USB driver installation program setup exe and accept the installation defaults The installation of the driver may take several minutes 4 After the driver has been installed connect the USB service cable to a USB port on your PC Windows will detect the new device and use the driver automatically 5 The installation has reserved a COM port for the cable Verify the port number and the status of the cable using the Vaisala USB Instrument Finder program that has been installed in the Windows Start menu Windows will recognize each individual cable as a different device and reserve a new COM port Remember to use the correct port in the settings of your
38. r so that condensation cannot run along the cable to the transmitter For cables with a straight connector move the rubber plug to the bottom hole and route the cable from the back of the weather shield Replace the weather shield cover using an 8 mm box end wrench 2f USER S GUIDE Wiring 28 Standard Wiring Connect supply voltage and RS 485 to port II Port I does not need to be used at all and can remain covered UL 2G O4 O J U N SHIELD 1108 015 Figure 7 Wiring Non Isolated RS 485 Wire Colors for Vaisala Cables Pin Connection on Port Connection on Port II 1 VDC supply VDC supply 2 RS485DO 5 SNB eND Bue 4 RS 485 D1 Note the following The ground pin pin 3 on both ports is internally connected to each other and to transmitter chassis The chassis connection 1s through a 1 MQ resistor and a 40 nF capacitor that are connected in parallel The frames of the M8 connectors are not connected to the chassis M211371EN B Chapter 4 Installation Alternate Wiring for Power Supply If necessary you can provide supply voltage using Port I and only wire RS 485 for Port II Do not supply power from both ports 20 4 O 1108 016 Figure 8 Wiring Power Supply Using Port I Stabilization of Dewpoint Reading After Installation VAISALA After installation the transmitter will have a s
39. ror bit3 Flash csum error Transmitter serial number Time since transmitter was started or reset 7 Shows the name of the measurement unit using x number of characters For example U3 shows the name of the measurement unit with three characters 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 43 USER S GUIDE Select Unit Use the UNIT command to select metric or non metric output units UNIT x lt cr gt where x Selects the unit type to output m metric units for example Celsius n nonmetric units for example Fahrenheit Example unit m Units Metric Configuring Serial Line Operation 44 Set Serial Line Operating Mode Use the SMODE command to set the start up operating mode of the serial line SMODE mode lt cr gt where mode STOP RUN or POLL Table 8 Selection of Output Modes Mode Measurement Output Available Commands STOP Only with the SEND command All default mode Automatic output Only command S Only with the SEND addr SEND addr and OPEN addr command Other commands available after opening a line to the transmitter using the OPEN command Use with RS 485 buses where multiple transmitters can share the same line Selected output mode will be activated at next reset or power up Example
40. t well suited for integration into OEM systems DPT145 is always delivered with an integrated mechanical adapter DILO DN20 ABB Malmkvist or Alstom G1 2 The connection between the adapter and the transmitter 1s helium leak tested at the factory DPT145 combines online measurement of dewpoint pressure and temperature DPT145 also calculates four other quantities including SF density Table 3 Output Parameters of DPT145 Dewpoint frost point temperature Dewpoint frost point temperature Tdfatm ue F converted to atmospheric pressure ppm moisture by volume H20 ppm ppm Pressure absolute P jbera psa Pressure normalized to 20 C Pnorm bara psia 68 F Temperature O T o Oe E s When the dewpoint is below 0 C the transmitter outputs frostpoint for Ta VAISALA 13 USER S GUIDE Basic Features and Options Utilizes the Vaisala MPS1 multiparameter sensor with Vaisala s BAROCAP and DRYCAP technologies Measurement ranges of measured parameters Dewpoint 50 30 C 58 86 F Ta Pressure absolute 1 10 bar 14 5 145 psi Temperature 40 80 C 40 176 F Measurement is configurable for pure SF or mixed gas Non isolated RS 485 digital output Easy verification of dewpoint measurement with the Vaisala DRYCAP Hand Held Dewpoint Meter DM70 Delivered with an integrated mechanical adapter that must be specified during ordering The
41. top the measurement output by pressing ESC or with the S command S lt cr gt Set Output Interval Use the INTV command to change the output interval of the automatically repeating measurement messages The measurement messages are repeated in the RUN mode or after the R command has been given INTV n xxx lt cr gt where n time interval range 0 255 XXX time unit S MIN or H The shortest output interval with n 0 outputs the measurement messages as quickly as the transmitter s internal measurement cycle produces them without additional delay Example intv 1 min Output interval 1 MIN 39 USER S GUIDE Output a Reading Once Use the SEND command to output a single measurement message The output message is sent in the format that has been set using the FORM command SEND address lt cr gt where address Address of the transmitter range 0 255 Specifying the address 1s only necessary if the target transmitter 1s in POLL mode and has not been accessed with the OPEN command Example send Tgdre dcs Oo Tdiatm 16 2 C HZ0 T9529 ppm P 0 999 bara Pnorm 0 951 bara Rhoo 1 1 kg m3 T 25 4 C Configuring Measurement Parameters 40 Set Mixing Ratio Use the MIXRATIO command to set the mixing ratio of SF and the other gas MIXRATIO ratio cr where ratio Amount of SF in the measurement environment range 0 100 Example mixratio 50 MIX RATIO
42. value is 10 which equals a 40 ms answer delay SDELAY delay lt cr gt where delay Serial line delay range 0 255 Example sdelay 20 Serial delay 20 Other Commands Opening the Transmitter in POLL Mode Use the OPEN command to connect to a transmitter that is in POLL mode OPEN address lt cr gt where address Transmitter address range 0 255 Example target transmitter in POLL mode with address 5 open 5 DPT145 5 line opened for operator commands 46 M211371EN B Chapter 5 VAISALA Operation Closing the Connection to a Transmitter in POLL Mode The CLOSE command closes the connection to a transmitter CLOSE lt cr gt Example close line closed Show Transmitter Uptime Use the TIME command to show how long the transmitter has been operating since it was last reset or powered up TIME lt cr gt Example time Time e Oea AT Reset Transmitter Use the RESET command to reset the transmitter RESET lt cr gt When the RESET command is given the transmitter will restart as 1f it had just been powered on All transmitter settings are retained The serial line mode of the transmitter will be set to the mode that was set using the SMODE command Restore Factory Settings Use the FRESTORE command to restore the factory settings to the transmitter All user settings will be lost FRESTORE lt cr gt 47 USER S GUIDE 48 This page intentionally left blank
43. weep 60 min axis 3 axis VAISALA 59 USER S GUIDE Spare Parts and Accessories Table 17 DPT145 Spare Parts and Accessories DM70 Dewpoint Meter 60 M211371EN B Chapter 8 Technical Data Dimensions In mm 1108 017 Figure 12 DPT145 with DILO DN20 Adapter 1108 018 Figure 13 DPT145 with ABB Malmkvist Adapter VAISALA 61 USER S GUIDE 1108 019 Figure 14 DPT145 with Alstom G1 2 Adapter 1108 020 Figure 15 DPT145 with DILO DN20 Adapter and Weather Shield 62 M211371EN B www vaisala com M21137 1E N
Download Pdf Manuals
Related Search