Vaisala PTU300 User manual

USER'S GUIDE
Vaisala Combined Pressure, Humidity
and Temperature Transmitte
r
PTU300
M210796EN-C

PUBLISHED BY
Vaisala Oyj Phone (int.): [phone]
P.O. Box 26 Fax: [phone]
FIN-00421 Helsinki
Finland
Visit our Internet pages at http://www.vaisala.com/
© 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.

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Table of Contents
CHAPTER 1
GENERAL INFORMATION..........................................................................11
About This Manual.................................................................11
Version Information.............................................................11
Related Manuals.................................................................11
General Safety Considerations...........................................12
Feedback.............................................................................12
Product Related Safety Precautions....................................12
ESD Protection.......................................................................13
Regulatory Compliances.......................................................13
Transmitters with LAN or WLAN Interface.....................13
Transmitters with WLAN Interface.................................14
Recycling ................................................................................14
Trademarks.............................................................................15
License Agreement................................................................15
Warranty..................................................................................16
CHAPTER 2
PRODUCT OVERVIEW................................................................................17
Introduction to PTU300..........................................................17
Basic Features and Options................................................18
New and improved features compared to PTU200........18
Pressure Measurement.......................................................19
Structure of the Transmitter ................................................20
Probe Options .....................................................................22
Warmed Probe PTU307......................................................23
CHAPTER 3
INSTALLATION............................................................................................25
Mounting the Housing ...........................................................25
Standard Mounting without Mounting Plate........................25
Wall Mounting with Wall Mounting Kit.................................26
Mounting with DIN Rail Installation Kit................................27
Pole Installation with Installation Kit for Pole or Pipeline....28
Mounting Rain Shield with Installation Kit...........................30
Panel Mounting Frame........................................................30
Wiring ......................................................................................32
Cable Bushings...................................................................32
Grounding the Cables.........................................................33
Grounding the Transmitter Housing....................................34
Alternate Wiring Systems......................................................34
Signal and Power Supply Wiring.........................................35
8-Pin Connector..................................................................36

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D-9 Connector.....................................................................37
Connections to a 24 VAC Power Supply.............................38
Probe Mounting ......................................................................39
General Instructions for Probes with Cable.........................39
PTU303 for General Use.....................................................41
PTU307 for High Humidities................................................41
Temperature Probe (Optional) ............................................42
Optional Modules ...................................................................43
Power Supply Module .........................................................43
Installation......................................................................44
Warnings ........................................................................45
Galvanic Isolation for Output...............................................48
Third Analog Output ............................................................48
Installation and Wiring....................................................49
Relays..................................................................................50
Installation and Wiring....................................................50
Selecting the Activation State of the Relay....................50
RS-422/485 Interface ..........................................................52
Installation and Wiring....................................................52
LAN Interface.......................................................................55
WLAN Interface...................................................................56
Attaching the WLAN Antenna ........................................57
Data Logger Module............................................................57
CHAPTER 4
OPERATION.................................................................................................59
Getting Started........................................................................59
Display/Keypad (Optional).....................................................59
Basic Display.......................................................................60
Pressure 3h Trend and Tendency Reading........................61
Using Basic Display........................................................61
Using Serial Line............................................................63
Missing trend..................................................................63
Graphic History....................................................................64
Information Display..............................................................66
Menus and Navigation.........................................................67
Changing the Language.................................................68
Rounding Setting............................................................68
Display Backlight Setting................................................68
Display Contrast Setting.................................................69
Keypad Lock (Keyguard)................................................69
Menu PIN Lock...............................................................69
Factory Settings .............................................................70
Display Alarms.....................................................................70
Configuring a Display Alarm...........................................71
MI70 Link Program for Data Handling ..................................72
Serial Line Communication...................................................73
User Port Connection..........................................................74
Service Port Connection......................................................75
Connection Cables.........................................................75
Installing the Driver for the USB Cable ..........................75
Using the Service Port....................................................76
LAN Communication..............................................................76

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IP Configuration ..................................................................77
Using Display/Keypad....................................................77
Using Serial Line............................................................79
Wireless LAN Configuration................................................80
Using Display/Keypad....................................................80
Using Serial Line............................................................82
Telnet Settings ....................................................................83
Web Configuration for LAN and WLAN...............................83
Terminal Program Settings .................................................84
List of Serial Commands.....................................................87
Getting Measurement Message from Serial Line................89
Starting Continuous Outputting......................................89
R................................................................................89
Stopping Continuous Outputting....................................90
S................................................................................90
Outputting Reading Once ..............................................90
SEND........................................................................90
SEND D ....................................................................91
SCOM .......................................................................91
Formatting Serial Line Message .........................................92
FTIME and FDATE.........................................................92
General Settings.....................................................................92
Changing Quantities and Units ...........................................92
Using Display/Keypad....................................................93
Using Serial Line............................................................93
FORM........................................................................93
UNIT..........................................................................95
Date and Time.....................................................................96
Using Display/Keypad....................................................96
Using Serial Line............................................................96
NMEA Data Format.............................................................97
GPS Commands.................................................................98
Pressure Compensation Settings.........................................99
Using Display/Keypad....................................................99
Using Serial Line..........................................................100
PRES and XPRES..................................................100
PFIX........................................................................101
PSTAB ....................................................................101
Pdmax limit works as follows..................................102
User Port Serial Settings.....................................................102
Using Display/Keypad.......................................................102
Using Serial Line..........................................................103
SERI.............................................................................103
SMODE........................................................................104
INTV.............................................................................104
ECHO...........................................................................104
Pressure Average Calculation...........................................105
Pressure.......................................................................105
Relative Humidity (RH) and Temperature (T) Filtering 106
FILT..............................................................................106
Device Information............................................................106
Using Serial Line..........................................................107
? ...................................................................................107
HELP............................................................................108
ERRS...........................................................................108

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VERS............................................................................108
Resetting Transmitter By Using Serial Line ......................109
RESET..........................................................................109
Locking Menu/Keypad by Using Serial Line......................109
LOCK............................................................................109
Data Recording.....................................................................110
Selecting Data Recording Quantities ................................110
DSEL............................................................................110
View Recorded Data .........................................................111
DIR ...............................................................................111
PLAY ............................................................................112
Deleting the Recorded Files..............................................113
UNDELETE..................................................................114
Analog Output Settings .......................................................114
Changing Output Mode and Range...................................114
Analog Output Quantities..................................................116
AMODE/ASEL..............................................................117
Analog Output Tests..........................................................118
ITEST ...........................................................................118
Analog Output Fault Indication Setting..............................119
AERR............................................................................119
Operation of Relays..............................................................120
Quantity For Relay Output.................................................120
Measurement-Based Relay Output Modes.......................120
Relay Setpoints............................................................120
Hysteresis.....................................................................121
Relay Indicating Transmitter Error Status .........................122
Enabling/Disabling Relays.................................................123
Setting Relay Outputs .......................................................124
RSEL............................................................................125
Testing Operation Of Relays.............................................126
RTEST..........................................................................127
Operation of the RS-485 Module.........................................127
Networking Commands.....................................................128
SDELAY .......................................................................128
SERI.............................................................................128
ECHO...........................................................................129
SMODE ........................................................................129
INTV .............................................................................129
ADDR ...........................................................................130
SEND............................................................................130
OPEN ...........................................................................130
CLOSE .........................................................................131
Sensor Functions .................................................................131
Chemical Purge (Optional)................................................131
Automatic Chemical Purge (Interval Purge).................132
Manual Chemical Purge...............................................132
Chemical Purge in Power Up.......................................133
Starting and Configuring Chemical Purge.........................133
Using Buttons On Motherboard....................................133
Using Display/Keypad (Optional).................................133
Using Serial Line..........................................................134
PURGE....................................................................134
PUR.........................................................................135

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Setting Sensor Heating.....................................................135
Setting Humidity Sensor Heating Using
Display/Keypad............................................................136
Using Serial Line..........................................................136
XHEAT....................................................................136
CHAPTER 5
MAINTENANCE .........................................................................................139
Periodic Maintenance ..........................................................139
Cleaning............................................................................139
Changing the Probe Filter.................................................139
Changing the Sensor...........................................................140
Error States.......................................................................141
Technical Support................................................................143
Return Instructions..............................................................143
Vaisala Service Centers.......................................................144
CHAPTER 6
CALIBRATION AND ADJUSTMENT.........................................................145
Pressure................................................................................145
Opening And Closing the Adjustment Mode.....................146
Pressure Adjustment...........................................................147
1-point Adjustment Using Display/Keypad........................147
1-point Adjustment Using Serial Line................................148
LCI...........................................................................148
LC............................................................................148
MPCI.......................................................................149
MPC........................................................................150
Relative Humidity Adjustment ............................................150
Using Push-Buttons ..........................................................150
Using Display/Keypad.......................................................151
Using Serial Line...............................................................152
CRH .............................................................................152
Relative Humidity Adjustment After Sensor Change .......154
Using Display/Keypad.......................................................154
Using Serial Line...............................................................154
FCRH...........................................................................154
Temperature Adjustment.....................................................154
Using Display/Keypad.......................................................154
Using Serial Line...............................................................155
CT ................................................................................155
CTA..............................................................................155
Analog Output Adjustment (Ch1 and Ch2)........................156
Using Display/Keypad.......................................................156
Using Serial Line...............................................................157
ACAL............................................................................157
Feeding Adjustment Information........................................157
Using Display/Keypad.......................................................157
Using Serial Line...............................................................158
CTEXT .........................................................................158
CDATE.........................................................................158

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CHAPTER 7
TECHNICAL DATA ....................................................................................159
Specifications .......................................................................159
Performance......................................................................159
Barometric pressure.....................................................159
Relative Humidity .........................................................160
Temperature (+ Operating pressure ranges) ...............160
Optional Temperature Probe........................................161
Calculated Variables ....................................................162
Accuracies Of Calculated Variables..................................162
Accuracy of Dewpoint Temperature °C........................162
Accuracy of Mixing Ratio g/kg (Ambient Pressure 1013
mbar)............................................................................163
Accuracy of Wet Bulb Temperature °C........................163
Accuracy of Absolute Humidity g/m³............................163
Dewpoint Temperature (PTU307 Warmed Probe Option)164
Operating Conditions....................................................164
Inputs and Outputs.......................................................165
Mechanics ....................................................................165
Transmitter Weight.......................................................166
Technical Specifications of Optional Modules...................166
Power Supply Module ..................................................166
Analog Output Module..................................................166
Relay Module ...............................................................167
RS-485 Module ............................................................167
LAN Interface Module...................................................167
WLAN Interface Module...............................................167
Data Logger Module.....................................................168
Options and Accessories ....................................................168
Dimensions (mm/inch).........................................................170
PTU301 .............................................................................171
PTU303 .............................................................................172
PTU307 .............................................................................172
Temperature Probe ...........................................................172
APPENDIX A
PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES .........173
Duct installation kits (for PTU303/307)...............................173
Duct Installation Kit for Temperature Probe (for PTU307)174
Pressure Tight Swagelok Installation Kits (For PTU307).175
RH Probe Installation.........................................................175
Temperature Probe Installation.........................................176
Examples of Vapor Tight Installations with Cable Gland.177
RH-Probe Installations (for PTU303/307) .........................177
T- Probe Installations (PTU307)........................................178
Example Of Climate Chamber Installation ........................180
Example Of Installation Through Roof ..............................181
Meteorological Installation Kit (for PTU307)......................182
APPENDIX B
CALCULATION FORMULAS.....................................................................183

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List of Figures
Figure 1 Transmitter Body......................................................................20
Figure 2 Inside the Transmitter...............................................................21
Figure 3 Probe Options ..........................................................................22
Figure 4 Standard Mounting...................................................................25
Figure 5 Mounting with Wall Mounting Kit..............................................26
Figure 6 Dimensions of the Plastic Mounting Plate (mm/inch)...............27
Figure 7 Mounting with DIN Rail Installation Kit.....................................27
Figure 8 Vertical Pole.............................................................................28
Figure 9 Horizontal Pole.........................................................................28
Figure 10 Mounting with Metal Wall Mounting Plate................................29
Figure 11 Dimensions of Metal Mounting Plate (mm/inch) ......................29
Figure 12 Mounting Rain Shield with Installation Kit................................30
Figure 13 Panel Mounting Frame.............................................................31
Figure 14 Panel Mounting Dimensions (mm/inch) ...................................31
Figure 15 Cable Bushings........................................................................32
Figure 16 Grounding the Screen of Electrical Cable................................33
Figure 17 Screw Terminal Block on Motherboard....................................35
Figure 18 Wiring of Optional 8-Pin Connector..........................................36
Figure 19 Wiring of Optional D-9 Connector............................................37
Figure 20 Connections to 24 VAC Power Supply.....................................38
Figure 21 Measurement Error at 100 %RH..............................................39
Figure 22 Horizontal Mounting of Probe...................................................40
Figure 23 Vertical Mounting of Probe.......................................................40
Figure 24 Power Supply Module ..............................................................43
Figure 25 Galvanic Output Isolation Module............................................48
Figure 26 Third Analog Output.................................................................48
Figure 27 Third analog output selection...................................................49
Figure 28 Relay Module ...........................................................................51
Figure 29 RS-485 Module ........................................................................52
Figure 30 4-Wire RS-485 Bus ..................................................................53
Figure 31 2-Wire RS-485 Bus ..................................................................54
Figure 32 LAN Interface Module...............................................................55
Figure 33 WLAN Interface Module...........................................................56
Figure 34 Data Logger Module.................................................................58
Figure 35 Basic Display............................................................................60
Figure 36 P3H Tendency............................................................................61
Figure 37 Pressure Tendency Description...............................................62
Figure 38 Graphical Display.....................................................................64
Figure 39 Graphical Display with Data Logger.........................................65
Figure 40 Device Information on Display .................................................66
Figure 41 Main Menu................................................................................67
Figure 42 Display Alarm Active ................................................................70
Figure 43 Display Alarms .........................................................................71
Figure 44 Modifying an Alarm Limit..........................................................72
Figure 45 Service Port Connector and User Port Terminal on Mother
Board........................................................................................73
Figure 46 Connection Example Between PC Serial Port and User Port..74
Figure 47 Network Interface Menu...........................................................78
Figure 48 IP Configuration Menu..............................................................78
Figure 49 Wireless LAN Settings..............................................................81
Figure 50 Entering Network SSID ............................................................81
Figure 51 Selecting the Wireless Network Type ......................................81

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Figure 52 Web Configuration Interface for WLAN....................................84
Figure 53 Connecting Using Serial Interface............................................85
Figure 54 Connecting Using a Network....................................................85
Figure 55 Hyper Terminal Serial Port Settings.........................................86
Figure 56 Current/Voltage Switches of Output Modules ........................115
Figure 57 Relay Output Modes...............................................................121
Figure 58 FAULT/ONLINE STATUS Relay Output Modes.....................123
Figure 59 Relay Indicators on Display....................................................124
Figure 60 Decrease of Sensor Gain.......................................................132
Figure 61 Purge Buttons on Motherboard ..............................................133
Figure 62 Chemical Purge Settings........................................................134
Figure 63 Performing Chemical Purge ...................................................134
Figure 64 Changing the Sensor..............................................................140
Figure 65 Error Indicator and Error Message.........................................141
Figure 66 Adjustment and Purge Buttons...............................................146
Figure 67 Adjustment Menu....................................................................147
Figure 68 Selecting Point 1 Reference Type..........................................151
Figure 69 Accuracy over Temperature Range........................................161
Figure 70 Accuracy in Dewpoint Measurement......................................164
Figure 71 Transmitter Body Dimensions ................................................170
Figure 72 WLAN Antenna Dimensions...................................................171
Figure 73 PTU301 Probe Dimensions....................................................171
Figure 74 PTU303 Probe Dimensions....................................................172
Figure 75 PTU307 Probe Dimensions....................................................172
Figure 76 Optional Temperature Probe Dimensions..............................172
Figure 77 Duct Mounting Installation Kit.................................................173
Figure 78 Duct Mounting Installation Kit for T-Probe..............................174
Figure 79 Swagelok Installation Kit for RH-probe...................................175
Figure 80 Swagelok Installation Kit for T-Probe.....................................176
Figure 81 Cable Installation with Cable Gland .......................................177
Figure 82 Probe Installation with Cable Gland .......................................178
Figure 83 Vapor Tight Installation...........................................................178
Figure 84 Wall Mounting Installation.......................................................179
Figure 85 Climate Chamber Installation (not Available from Vaisala)....180
Figure 86 Example of Installation Through Roof....................................181
Figure 87 Meteorological Installation Kit for Outdoor Installation...........182