Vaisala PTU300 Manuale utente

USER'S GUIDE

Vaisala Combined Pressure, Humidity,

and Temperature Transmitte

PTU300

M210796EN-F

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 http://www.vaisala.com/

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.

________________________________________________________________________________

VAISALA________________________________________________________________________ 1

Table of Contents

CHAPTER 1

GENERAL INFORMATION..........................................................................11

About This Manual.................................................................11

Contents of This Manual.....................................................11

Version Information.............................................................12

Related Manuals.................................................................12

Documentation Conventions...............................................12

Safety.......................................................................................13

ESD Protection .......................................................................13

Recycling ................................................................................14

Regulatory Compliances.......................................................14

EU Declaration of Conformity..............................................14

DNV Type Approval ............................................................15

Transmitters with LAN or WLAN Interface..........................15

Transmitters with WLAN Interface ......................................16

Patent Notice ..........................................................................16

Trademarks.............................................................................16

License Agreement................................................................17

Warranty..................................................................................17

CHAPTER 2

PRODUCT OVERVIEW................................................................................19

Introduction to PTU300..........................................................19

Basic Features and Options................................................20

New and Improved Features Compared to PTU200 .....20

Pressure Measurement.......................................................21

Structure of the Transmitter ................................................22

Probe Options .....................................................................24

Warmed Probe PTU307......................................................26

CHAPTER 3

INSTALLATION............................................................................................27

Mounting the Housing ...........................................................27

Standard Mounting without Mounting Plate........................27

Wall Mounting with Wall Mounting Kit.................................28

Mounting with DIN Rail Installation Kit................................30

Pole Installation with Installation Kit for Pole or Pipeline ....31

Mounting Rain Shield with Installation Kit...........................33

Panel Mounting Frame........................................................33

Wiring ......................................................................................35

Cable Bushings...................................................................35

Grounding the Cables.........................................................36

Grounding the Transmitter Housing....................................37

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2 ___________________________________________________________________ M210796EN-F

Alternate Wiring Systems......................................................37

Signal and Power Supply Wiring.........................................38

8-Pin Connector...................................................................39

D-9 Connector.....................................................................40

Connections to a 24 VAC Power Supply.............................41

Probe Mounting ......................................................................42

General Instructions for Probes with Cable.........................42

PTU303 for General Use.....................................................44

PTU307 for High Humidities................................................45

Temperature Probe (Optional) ............................................45

Optional Modules ...................................................................46

Power Supply Module .........................................................46

Installation......................................................................47

Warnings ........................................................................48

Galvanic Isolation for Output...............................................51

Third Analog Output ............................................................51

Installation and Wiring....................................................52

Relays..................................................................................53

Installation and Wiring....................................................53

Selecting the Activation State of the Relay....................53

RS-422/485 Interface ..........................................................55

Installation and Wiring....................................................56

LAN Interface.......................................................................59

WLAN Interface...................................................................60

Attaching the WLAN Antenna ........................................61

Data Logger Module............................................................62

CHAPTER 4

OPERATION.................................................................................................65

Getting Started........................................................................65

Display/Keypad (Optional).....................................................66

Basic Display.......................................................................66

Pressure 3h Trend and Tendency Reading........................67

Using Basic Display........................................................67

Pressure tendency graphics and codes.........................67

Using Serial Line............................................................69

Missing Trend.................................................................69

Graphic History....................................................................70

Information Display..............................................................72

Menus and Navigation.........................................................73

Changing the Language.................................................73

Rounding Setting............................................................74

Display Backlight Setting................................................74

Display Contrast Setting.................................................74

Keypad Lock (Keyguard)................................................75

Menu PIN Lock...............................................................75

Factory Settings .............................................................75

Display Alarms.....................................................................76

Configuring a Display Alarm...........................................77

MI70 Link Program for Data Handling ..................................79

Serial Line Communication...................................................80

User Port Connection..........................................................81

User Port Operating Modes............................................81

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VAISALA________________________________________________________________________ 3

Service Port Connection .....................................................82

Connection Cables.........................................................82

Installing the Driver for the USB Cable..........................82

Using the Service Port...................................................83

LAN Communication..............................................................83

IP Configuration ..................................................................84

Using Display/Keypad....................................................85

Using Serial Line............................................................86

Wireless LAN Configuration................................................87

Using Display/Keypad....................................................88

Using Serial Line............................................................89

Communication Protocol.....................................................90

Web Configuration for LAN and WLAN...............................90

Terminal Program Settings .................................................91

Opening a Serial/USB connection .................................92

Opening a Telnet Session (LAN/WLAN)........................93

List of Serial Commands.....................................................94

Getting Measurement Message from Serial Line................97

Starting Continuous Outputting......................................97

R................................................................................97

Stopping Continuous Outputting....................................97

S................................................................................97

Outputting Reading Once ..............................................97

SEND........................................................................97

Assign an Alias for the SEND Command ......................98

Communicating with a Transmitter in POLL Mode.............98

OPEN.............................................................................98

CLOSE...........................................................................98

Formatting Serial Line Message .........................................99

FTIME and FDATE.........................................................99

General Settings...................................................................100

Changing Quantities and Units .........................................100

Using Display/Keypad..................................................100

Using Serial Line..........................................................101

FORM......................................................................101

UNIT........................................................................103

Date and Time...................................................................104

Using Display/Keypad..................................................104

Using Serial Line..........................................................104

NMEA Data Format...........................................................105

GPS Commands...............................................................106

Pressure Compensation Settings.......................................107

Using Display/Keypad.......................................................107

Using Serial Line...............................................................108

PRES and XPRES.......................................................108

PFIX.............................................................................109

PSTAB .........................................................................109

Pressure Average Calculation...........................................110

Pressure.......................................................................110

Relative Humidity (RH) and Temperature (T)

Filtering ........................................................................111

FILT..............................................................................111

Device Information............................................................112

Using Serial Line..........................................................113

USER'S GUIDE____________________________________________________________________

4 ___________________________________________________________________ M210796EN-F

?....................................................................................113

LIGHT...........................................................................114

HELP............................................................................114

ERRS............................................................................115

VERS............................................................................115

Resetting Transmitter using Serial Line ............................115

RESET..........................................................................115

Locking Menu/Keypad using Serial Line...........................116

LOCK............................................................................116

Serial Output Settings..........................................................117

Using Display/Keypad .......................................................117

Using Serial Line ...............................................................118

SERI.............................................................................118

SMODE ........................................................................119

ADDR ...........................................................................119

INTV .............................................................................120

SDELAY .......................................................................120

ECHO...........................................................................120

Data Recording.....................................................................121

Selecting Data Recording Quantities ................................121

DSEL............................................................................121

View Recorded Data .........................................................122

DIR ...............................................................................122

PLAY ............................................................................124

Deleting the Recorded Files..............................................125

UNDELETE..................................................................125

Analog Output Settings .......................................................125

Changing Output Mode and Range...................................125

Analog Output Quantities..................................................127

AMODE/ASEL..............................................................128

Analog Output Tests..........................................................129

ITEST ...........................................................................129

Analog Output Fault Indication Setting..............................130

AERR............................................................................130

Operation of Relays..............................................................131

Quantity for Relay Output..................................................131

Measurement-Based Relay Output Modes.......................131

Relay Setpoints............................................................131

Hysteresis.....................................................................133

Relay Indicating Transmitter Error Status .........................133

Enabling/Disabling Relays.................................................135

Setting Relay Outputs .......................................................135

RSEL............................................................................137

Testing Operation Of Relays.............................................138

RTEST..........................................................................139

Sensor Functions .................................................................139

Chemical Purge (Optional)................................................139

Automatic Chemical Purge (Interval Purge).................140

Manual Chemical Purge...............................................140

Chemical Purge in Power Up.......................................141

Starting and Configuring Chemical Purge.........................141

Using Buttons On Motherboard....................................141

Using Display/Keypad (Optional).................................141

Using Serial Line..........................................................142

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VAISALA________________________________________________________________________ 5

PURGE...................................................................142

PUR.........................................................................142

Setting Sensor Heating.....................................................144

Setting Humidity Sensor Heating using

Display/Keypad............................................................144

Using Serial Line..........................................................145

XHEAT....................................................................145

CHAPTER 5

MODBUS....................................................................................................147

Overview of MODBUS Protocol Support ...........................147

Taking MODBUS into Use ................................................148

Enabling Serial MODBUS ....................................................149

Using Display/Keypad (Optional)......................................149

Using Serial Line...............................................................149

Enabling Ethernet MODBUS ...............................................151

Using Display/Keypad (Optional)......................................151

Using Serial Line...............................................................152

Diagnostic MODBUS Counters...........................................154

Viewing Counters using Display/Keypad..........................154

Viewing Counters using Service Port................................154

Disabling MODBUS..............................................................155

CHAPTER 6

MAINTENANCE .........................................................................................157

Periodic Maintenance ..........................................................157

Cleaning............................................................................157

Changing the Probe Filter.................................................157

Changing the Sensor...........................................................158

Error States.......................................................................159

Technical Support................................................................161

Product Returns...................................................................161

CHAPTER 7

CALIBRATION AND ADJUSTMENT.........................................................163

Pressure................................................................................163

Opening and Closing the Adjustment Mode .....................164

Pressure Adjustment...........................................................165

One-Point Adjustment Using Display/Keypad...................165

One-Point Adjustment using Serial Line...........................166

LCI...........................................................................166

LC............................................................................166

MPCI.......................................................................167

MPC........................................................................168

Relative Humidity Adjustment ............................................169

Using Push Buttons...........................................................169

Using Display/Keypad.......................................................170

Using Serial Line...............................................................171

CRH .............................................................................171

Relative Humidity Adjustment After Sensor Change .......173

USER'S GUIDE____________________________________________________________________

6 ___________________________________________________________________ M210796EN-F

Using Display/Keypad .......................................................173

Using Serial Line ...............................................................173

FCRH............................................................................173

Temperature Adjustment.....................................................174

Using Display/Keypad .......................................................174

Using Serial Line ...............................................................175

Analog Output Adjustment (Ch1 and Ch2)........................176

Using Display/Keypad .......................................................176

Using Serial Line ...............................................................176

ACAL............................................................................176

Feeding Adjustment Information........................................177

Using Display/Keypad .......................................................177

Using Serial Line ...............................................................177

CTEXT..........................................................................177

CDATE .........................................................................177

CHAPTER 8

TECHNICAL DATA ....................................................................................179

Specifications .......................................................................179

Performance......................................................................179

Barometric Pressure.....................................................179

Relative Humidity .........................................................180

Temperature (+ Operating Pressure Ranges) .............181

Optional Temperature Probe........................................181

Calculated Variables ....................................................182

Accuracies of Calculated Variables...................................182

Accuracy of Dewpoint Temperature °C........................182

Accuracy of Mixing Ratio g/kg (Ambient Pressure

1013 mbar)...................................................................183

Accuracy of Wet Bulb Temperature °C........................183

Accuracy of Absolute Humidity g/m³............................183

Dewpoint Temperature (PTU307 Warmed Probe Option) 184

Operating Conditions....................................................184

Inputs and Outputs.......................................................185

Mechanics ....................................................................186

Transmitter Weight.......................................................186

Technical Specifications of Optional Modules...................186

Power Supply Module ..................................................186

Analog Output Module..................................................187

Relay Module ...............................................................187

RS-485 Module ............................................................187

LAN Interface Module...................................................188

WLAN Interface Module...............................................188

Data Logger Module.....................................................188

Options and Accessories ....................................................189

Dimensions (mm/inch).........................................................190

PTU301 .............................................................................192

PTU303 .............................................................................193

PTU307 .............................................................................193

Temperature Probe ...........................................................193

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VAISALA________________________________________________________________________ 7

APPENDIX A

PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES.........195

Duct installation kits (for PTU303/307)...............................195

Duct Installation Kit for Temperature Probe

(for PTU307)..........................................................................196

Pressure Tight Swagelok Installation Kits

(For PTU307).........................................................................197

RH Probe Installation........................................................197

Temperature Probe Installation.........................................198

Examples of Vapor Tight Installations with

Cable Gland ..........................................................................199

RH-Probe Installations (for PTU303/307).........................199

T- Probe Installations (PTU307)........................................201

Meteorological Installation Kit (for PTU307)......................202

APPENDIX B

CALCULATION FORMULAS ....................................................................203

APPENDIX C

MODBUS REFERENCE.............................................................................207

Function Codes....................................................................207

Data Encoding...................................................................208

32-Bit Floating Point Format........................................208

16-Bit Integer Format...................................................209

Measurement Data (Read-Only).......................................210

Status Registers (Read-Only)...........................................211

Configuration Registers.....................................................211

Exception Status Outputs ...................................................212

Diagnostic Sub-Functions...................................................213

Device Identification Objects..............................................214

Exception Responses..........................................................214

USER'S GUIDE____________________________________________________________________

8 ___________________________________________________________________ M210796EN-F

List of Figures

Figure 1 Transmitter Body ......................................................................22

Figure 2 Inside the Transmitter...............................................................23

Figure 3 PTU301 Fixed Probe................................................................24

Figure 4 PTU301 Short Cable Probe......................................................24

Figure 5 Probe Options...........................................................................25

Figure 6 Standard Mounting...................................................................27

Figure 7 Mounting with Wall Mounting Kit ..............................................28

Figure 8 Dimensions of the Plastic Mounting Plate (mm/inch)...............28

Figure 9 Dimensions of the Probe Holder Plate (mm/inch)....................29

Figure 10 Mounting with DIN Rail Installation Kit .....................................30

Figure 11 Vertical Pole..............................................................................31

Figure 12 Horizontal Pole .........................................................................31

Figure 13 Mounting with Metal Wall Mounting Plate ................................32

Figure 14 Dimensions of Metal Mounting Plate (mm/inch).......................32

Figure 15 Mounting Rain Shield with Installation Kit ................................33

Figure 16 Panel Mounting Frame.............................................................34

Figure 17 Panel Mounting Dimensions (mm/inch)....................................34

Figure 18 Cable Bushings.........................................................................35

Figure 19 Grounding the Screen of Electrical Cable................................36

Figure 20 Screw Terminal Block on Motherboard ....................................38

Figure 21 Pinout of the Optional 8-Pin Connector....................................39

Figure 22 Wiring of Optional D-9 Connector.............................................40

Figure 23 Connections to 24 VAC Power Supply.....................................41

Figure 24 Measurement Error at 100 %RH..............................................42

Figure 25 Horizontal Mounting of Probe...................................................43

Figure 26 Vertical Mounting of Probe.......................................................43

Figure 27 Power Supply Module...............................................................46

Figure 28 Galvanic Output Isolation Module.............................................51

Figure 29 Third Analog Output .................................................................51

Figure 30 Third Analog Output Selection..................................................52

Figure 31 Relay Module............................................................................54

Figure 32 RS-485 Module.........................................................................55

Figure 33 4-Wire RS-485 Bus...................................................................57

Figure 34 2-Wire RS-485 Bus...................................................................58

Figure 35 LAN Interface Module...............................................................60

Figure 36 WLAN Interface Module ...........................................................61

Figure 37 Data Logger Module.................................................................63

Figure 38 Basic Display............................................................................66

Figure 39 Basic Display with P3H Trend and Tendency............................67

Figure 40 Pressure Tendency Description ...............................................68

Figure 41 Graphical Display .....................................................................70

Figure 42 Graphical Display with Data Logger.........................................71

Figure 43 Device Information on Display..................................................72

Figure 44 Main Menu................................................................................73

Figure 45 Alarm Limits Shown on Graph Screen .....................................76

Figure 46 Display Alarm Active.................................................................77

Figure 47 Display Alarms..........................................................................77

Figure 48 Modifying an Alarm Limit..........................................................78

Figure 49 Service Port Connector and User Port Terminal

on Motherboard ........................................................................80

Figure 50 Connection Example between PC Serial Port and User Port ..81

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