Vaisala DRYCAP DMT340 SERIES Manual de usuario

USER'S GUIDE

Vaisala DRYCAP® Dewpoint and

Temperature Transmitter Series

DMT340

M210704EN-E

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.

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VAISALA________________________________________________________________________ 3

Table of Contents

CHAPTER 1

GENERAL INFORMATION..........................................................................13

About This Manual.................................................................13

Contents of This Manual.....................................................13

Version Information.............................................................14

General Safety Considerations...........................................14

Feedback.............................................................................14

Product Related Safety Precautions....................................15

ESD Protection....................................................................15

Recycling ................................................................................15

Regulatory Compliances.......................................................16

DNV Type Approval.......................................................16

Transmitters with LAN or WLAN Interface.....................16

Transmitters with WLAN Interface.................................17

Patent Notice ..........................................................................17

Trademarks.............................................................................17

License Agreement................................................................18

Warranty..................................................................................18

CHAPTER 2

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

Introduction to DMT340.........................................................19

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

Structure of the Transmitter ................................................21

Probe Options .....................................................................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................................28

Pole Installation with Installation Kit for Pole or Pipeline ....29

Mounting the Rain Shield with Installation Kit.....................30

Panel Mounting Frame........................................................30

Wiring ......................................................................................32

Cable Bushings...................................................................32

Grounding the Cables.........................................................33

Transmitter Housing Grounding..........................................34

Signal and Power Supply Wiring.........................................34

Connections to a 24 VAC Power Supply ............................35

Probe Mounting......................................................................36

DMT342 Small-size Flanged Probe for Use with Sampling

Cell......................................................................................37

DMT344 For High-pressure Applications............................39

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DMT347 Small Pressure-tight Probe...................................41

Pressure-Tight Swagelok Installation Kits for DMT347.......41

DMT348 For Pressurized Pipelines.....................................43

Tightening the Clasp Nut.....................................................45

Ball Valve Installation Kit for DMT348.................................46

Leak Screw Installation .......................................................49

Mounting the Probe Directly to the Process........................50

Sampling Cell for DMT348..................................................52

Optional Modules ...................................................................54

Power Supply Module .........................................................54

Installation......................................................................55

Warnings ........................................................................55

Galvanic Isolation for Output...............................................58

Installation......................................................................58

Third Analog Output ............................................................59

Installation and Wiring....................................................59

Alarm Relays.......................................................................60

Installation and Wiring....................................................60

Selecting the Activation State of the Relay....................61

RS-422/485 Interface ..........................................................62

Installation and Wiring....................................................62

LAN Interface.......................................................................64

WLAN Interface...................................................................65

Attaching the WLAN Antenna ........................................66

Data Logger Module............................................................66

8-pin Connector...................................................................69

CHAPTER 4

OPERATION.................................................................................................71

Getting Started........................................................................71

Display/Keypad.......................................................................71

Basic Display.......................................................................71

Graphic History....................................................................72

Menus and Navigation.........................................................74

Changing the Language.................................................75

Rounding Setting............................................................76

Display Backlight Setting................................................76

Display Contrast Setting.................................................76

Keypad Lock (Keyguard)................................................76

Menu PIN Lock...............................................................77

Factory Settings...................................................................77

Display Alarms.....................................................................78

Configuring a Display Alarm...........................................78

MI70 Link Program for Data Handling ..................................80

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

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

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

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

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

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

LAN Communication..............................................................84

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

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

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

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

Using Display/Keypad....................................................87

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

Telnet Settings....................................................................89

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

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

Opening a Serial/USB connection .................................91

Opening a Telnet session (LAN/WLAN)........................92

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

Getting the Measurement Message from Serial Line .........96

Starting Continuous Outputting......................................96

R................................................................................96

Stopping Continuous Outputting....................................96

S................................................................................96

Formatting Serial Line Message .........................................97

FTIME and FDATE.........................................................97

FST ................................................................................97

General Settings.....................................................................98

Changing the Quantities and Units.....................................98

Using Display/Keypad....................................................98

Using Serial Line............................................................99

FORM.............................................................................99

UNIT.............................................................................100

Pressure Compensation Setting .......................................101

Using Display/Keypad..................................................101

Using Buttons on the Motherboard..............................102

Using Serial Line..........................................................102

XPRES and PRES..................................................102

Date and Time...................................................................103

Using Display/Keypad..................................................103

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

User Port Serial Settings...................................................104

SERI.............................................................................105

SMODE........................................................................105

INTV.............................................................................106

ECHO...........................................................................106

Data Filtering.....................................................................106

FILT..............................................................................107

Device Information............................................................107

? ...................................................................................108

HELP............................................................................109

ERRS...........................................................................109

VERS ...........................................................................109

Resetting the Transmitter Using Serial Line .....................110

RESET.........................................................................110

Locking Menu/Keypad by Using Serial Line .....................110

LOCK ...........................................................................110

Data Recording.....................................................................111

Selecting the Data Recording Quantities..........................111

DSEL............................................................................111

View Recorded Data.........................................................111

DIR...............................................................................112

PLAY............................................................................113

Deleting the Recorded Files..............................................114

UNDELETE..................................................................114

Analog Output Settings.......................................................114

Changing the Output Mode and Range............................114

Analog Output Quantities..................................................116

AMODE/ASEL..............................................................117

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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 the Relays...........................................123

Operation of the Indication LEDs ......................................124

Setting the Relay Outputs .................................................124

RSEL............................................................................125

Testing the Operation of Relays........................................126

RTEST..........................................................................127

Operation of the RS-485 Module.........................................127

Networking Commands................................................127

SDELAY .......................................................................128

SERI.............................................................................128

ECHO...........................................................................128

SMODE ........................................................................128

INTV .............................................................................129

ADDR ...........................................................................129

OPEN [nn]....................................................................130

CLOSE .........................................................................130

Sensor Functions .................................................................130

AutoCal..............................................................................130

Automatic AutoCal........................................................131

Manual AutoCal............................................................131

Sensor Purge.....................................................................131

Manual Sensor Purge...................................................132

Interval Purge...............................................................132

Power-up Purge ...........................................................133

PUR.........................................................................133

PURGE....................................................................133

Sensor Warming................................................................134

CHAPTER 5

MAINTENANCE..........................................................................................135

Periodic Maintenance...........................................................135

Cleaning ............................................................................135

Changing the Probe Filter .................................................135

Calibration and Adjustment...............................................135

Error States .......................................................................136

Technical Support ................................................................138

Return Instructions ..............................................................138

Vaisala Service Centers.......................................................139

CHAPTER 6

CALIBRATION AND ADJUSTMENT.........................................................141

Calibration.............................................................................141

User Calibration and Adjustment.......................................141

Opening and Closing the Adjustment Mode......................142

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Adjustment Information.....................................................143

CTEXT and CDATE.....................................................143

Adjusting Dewpoint Td/f .......................................................144

Two-point Relative Humidity Adjustment using

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

Two-point Relative Humidity Adjustment Using Serial Line146

One-point Dewpoint Adjustment Using Display/Keypad...146

One-point Dewpoint Adjustment Using Serial Line...........148

Adjusting Temperature........................................................149

Adjusting Temperature Using Display/Keypad .................149

Adjusting Temperature Using Serial Line .........................150

CT ................................................................................150

Adjusting Analog Outputs...................................................151

Adjusting Analog Outputs using Display/Keypad..............151

Adjusting Analog Outputs using Serial Line......................152

ACAL............................................................................152

CHAPTER 7

TECHNICAL DATA....................................................................................153

Specifications.......................................................................153

Performance......................................................................153

Operating Environment.....................................................154

Inputs and Outputs............................................................154

Mechanics.........................................................................155

Probe Specifications .........................................................155

Technical Specifications of Optional Modules ..................156

Power Supply Module..................................................156

Analog Output Module.................................................156

Relay Module...............................................................156

RS-485 Module............................................................157

LAN Interface Module ..................................................157

WLAN Interface Module...............................................157

Data Logger Module ....................................................157

Options and Accessories....................................................158

Dimensions (mm/inch).........................................................160

APPENDIX A

CALCULATION FORMULAS ....................................................................165

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List of Figures

Figure 1 Transmitter Body......................................................................21

Figure 2 Inside the Transmitter...............................................................22

Figure 3 Probe Options ..........................................................................23

Figure 4 Standard Mounting...................................................................25

Figure 5 Mounting with Wall Mounting Kit..............................................26

Figure 6 Dimensions of the Plastic Mounting Plate (mm/inch)...............26

Figure 7 Mounting with Metal Wall Mounting Plate................................27

Figure 8 Dimensions of Metal Mounting Plate (mm/inch) ......................27

Figure 9 Mounting with DIN Rail Installation Kit.....................................28

Figure 10 Vertical Pole.............................................................................29

Figure 11 Horizontal Pole.........................................................................29

Figure 12 Mounting the 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 the Motherboard..............................34

Figure 18 Connections to 24 VAC Power Supply.....................................36

Figure 19 DMT342 Installation (without the Sampling Cell).....................37

Figure 20 HMP302SC Optional Sampling Cell.........................................38

Figure 21 DMT344 Probe.........................................................................39

Figure 22 Tightening the Nut....................................................................40

Figure 23 Cleaning of the Tightening Cone..............................................40

Figure 24 DMT347 Probe with Swagelok Installation Kit .........................41

Figure 25 DMT347 Probe Installation to Pipeline with Swagelok

Installation Kit...........................................................................42

Figure 26 DMT348 Probe.........................................................................43

Figure 27 Leak Screw in the DMT348 Probe...........................................44

Figure 28 Sealing of Fitting Body into Process ........................................44

Figure 29 Tightening the Clasp Nut..........................................................45

Figure 30 Installing the DMT348 Probe Through a Ball Valve Assembly 47

Figure 31 Probe in Leak Screw Installation..............................................49

Figure 32 DM240FA with Probe...............................................................50

Figure 33 Example of Installing the Probe Directly on the Process Pipe.51

Figure 34 Sampling Cells DMT242SC2 and DMT242SC ........................52

Figure 35 Installing the Probe in High Temperatures...............................53

Figure 36 Power Supply Module ..............................................................54

Figure 37 Galvanic Output Isolation Module............................................58

Figure 38 Third Analog Output.................................................................59

Figure 39 Third analog output selection...................................................60

Figure 40 Relay Module ...........................................................................61

Figure 41 RS-485-Module........................................................................62

Figure 42 4-Wire RS-485 Bus ..................................................................63

Figure 43 LAN Interface Module...............................................................65

Figure 44 WLAN Interface Module...........................................................66

Figure 45 Data Logger Module.................................................................68

Figure 46 Wiring of the Optional 8-pin Connector....................................69

Figure 47 Basic Display............................................................................72

Figure 48 Graphical Display.....................................................................72

Figure 49 Graphical Display with Data Logger.........................................73

Figure 50 Main Views...............................................................................75

Figure 51 Display Alarm Active ................................................................78

Figure 52 Display Alarms .........................................................................79

Figure 53 Modifying an Alarm Limit..........................................................79

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Figure 54 Service Port Connector and User Port Terminal on the Mother

Board........................................................................................81

Figure 55 Connection Example Between PC Serial Port and User Port..82

Figure 56 Network Interface Menu ...........................................................85

Figure 57 IP Configuration Menu..............................................................85

Figure 58 Wireless LAN Settings..............................................................88

Figure 59 Entering Network SSID.............................................................88

Figure 60 Selecting the Wireless Network Type.......................................88

Figure 61 Web Configuration Interface for WLAN....................................91

Figure 62 Opening a Serial Connection....................................................92

Figure 63 Opening a Telnet Connection...................................................93

Figure 64 Pressure Set Buttons on the Motherboard.............................102

Figure 65 Following Device Information on the Display .........................107

Figure 66 Current/Voltage Switches of Output Modules ........................115

Figure 67 Measurement-Based Relay Output Modes............................120

Figure 68 FAULT/ONLINE STATUS Relay Output Modes.....................123

Figure 69 Relay Availability ....................................................................124

Figure 70 Following AutoCal on the Display...........................................131

Figure 71 Performing Manual Purge.......................................................132

Figure 72 Activating Start-up Purge........................................................133

Figure 73 Error Indicator and Error Message.........................................136

Figure 74 Starting the Adjustment..........................................................144

Figure 75 Performing Purge ...................................................................144

Figure 76 Following the RH Trend on Graphical Display .......................145

Figure 77 Ending Adjustment of Point 1.................................................145

Figure 78 Proceeding to Adjustment of Point 2......................................145

Figure 79 Completing Adjustment of Point 2..........................................145

Figure 80 Following Stabilization............................................................147

Figure 81 Proceeding with T d/f Adjustment............................................147

Figure 82 Completing T d/f Adjustment....................................................147

Figure 83 Dewpoint Accuracy Graph......................................................153

Figure 84 DMT340 Transmitter Body Dimensions .................................160

Figure 85 WLAN Antenna Dimensions...................................................161

Figure 86 Sampling Cell Dimensions......................................................161

Figure 87 DMT342 Probe Dimensions ...................................................162

Figure 88 DMT344 Probe Dimensions ...................................................162

Figure 89 DMT347 Probe Dimensions ...................................................163

Figure 90 DMT348 Standard Probe Dimensions....................................163

Figure 91 NPT 1/2" Nut Dimensions.......................................................164

Figure 92 DMT348 Optional 400mm Probe Dimensions........................164

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