Vaisala HUMICAP MMT330 User manual

USER'S GUIDE
Vaisala HUMICAP® Moisture and
Temperature Transmitter for Oil
MMT330
M210733EN-F

PUBLISHED BY
Vaisala Oyj Phone (int.): [phone]
P.O. Box 26 Fax: [phone]
FI-00421 Helsinki
Finland
Visit our Internet pages at http://www.vaisala.com/
© Vaisala 2011
No part of this manual may be reproduced in any form or by any means, electronic or
mechanical (including photocopying), nor may its contents be communicated to a third
party without prior written permission of the copyright holder.
The contents are subject to change without prior notice.
Please observe that this manual does not create any legally binding obligations for
Vaisala towards the customer or end user. All legally binding commitments and
agreements are included exclusively in the applicable supply contract or Conditions of
Sale.

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Table of Contents
CHAPTER 1
GENERAL INFORMATION..........................................................................11
About This Manual.................................................................11
Contents of This Manual.....................................................11
Version Information.............................................................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 MMT330.........................................................19
Basic Features and Options................................................20
Structure of the Transmitter ................................................21
Probe Options .....................................................................23
Typical Applications ............................................................24
Method Used for Measuring Moisture in Oil ..................24
Lubrication Oil in Paper Machines.................................24
Transformer Oil..............................................................25
CHAPTER 3
INSTALLATION............................................................................................27
Mounting the Housing ...........................................................27
Standard Mounting..............................................................27
Wall Mounting with Wall Mounting Kit.................................28
Mounting with DIN Rail Installation Kit................................29
Pole Installation with Installation Kit for Pole or Pipeline ....30
Mounting Rain Shield with Installation Kit...........................32
Panel Mounting Frame........................................................32
Wiring ......................................................................................34
Cable Bushings...................................................................34
Grounding the Cables.........................................................35
Grounding the Transmitter Housing....................................36

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Signal and Power Supply Wiring.........................................37
Connections to a 24 VAC Power Supply.............................39
MMT332 for High-Pressure Applications.............................40
MMT337 Small Pressure-Tight Probe.................................40
MMT337 Probe with Swagelok Connector for
Tight-place Installations.......................................................41
MMT338 for Pressurized Pipelines .....................................43
Tightening the Clasp Nut.....................................................44
Ball Valve Installation Kit for MMT338.................................45
Sampling Cell for MMT338..................................................48
Optional Modules ...................................................................49
Power Supply Module .........................................................49
Installation......................................................................50
Warnings ........................................................................51
Galvanic Isolation for Output...............................................54
Third Analog Output ............................................................54
Installation and Wiring....................................................55
Relays..................................................................................56
Installation and Wiring....................................................56
Selecting the Activation State of the Relay....................56
RS-422/485 Interface ..........................................................58
Installation and Wiring....................................................59
LAN Interface.......................................................................62
WLAN Interface...................................................................63
Attaching the WLAN Antenna ........................................64
Data Logger Module............................................................65
8-Pin Connector...................................................................67
CHAPTER 4
OPERATION.................................................................................................69
Getting Started........................................................................69
Display/Keypad (Optional).....................................................70
Basic Display.......................................................................70
Graphic History....................................................................71
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 .............................................................76
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
Service Port Connection......................................................82
Connection Cables.........................................................82
Installing the Driver for the USB Cable ..........................82
Using the Service Port....................................................83
LAN Communication..............................................................83

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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................96
Starting Continuous Outputting......................................96
Stopping Continuous Outputting....................................96
Outputting Reading Once ..............................................96
Assign an Alias for the SEND Command ......................97
Communicating with a Transmitter in POLL Mode.............97
OPEN.............................................................................97
CLOSE...........................................................................97
Formatting Serial Line Message .........................................98
FTIME and FDATE.........................................................98
General Settings.....................................................................99
Changing Quantities and Units ...........................................99
Using Display/Keypad....................................................99
Using Serial Line..........................................................100
FORM......................................................................100
UNIT........................................................................101
Date and Time...................................................................102
Using Display/Keypad..................................................102
Using Serial Line..........................................................102
Data Filtering.....................................................................103
FILT..............................................................................103
Device Information............................................................104
? ...................................................................................104
LIGHT...........................................................................105
HELP............................................................................106
ERRS...........................................................................106
VERS ...........................................................................106
Resetting Transmitter by Using Serial Line.......................107
RESET.........................................................................107
Locking Menu/Keypad Using Serial Line..........................107
LOCK ...........................................................................107
Serial Output Settings..........................................................108
Using Display/Keypad.......................................................108
Using Serial Line...............................................................109
SERI.............................................................................109
SMODE........................................................................110
ADDR...........................................................................110
INTV.............................................................................111
SDELAY.......................................................................111
ECHO...........................................................................111
Data Recording.....................................................................112
Selecting Data Recording Quantities................................112

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DSEL............................................................................112
View Recorded Data .........................................................113
DIR ...............................................................................113
PLAY ............................................................................114
Deleting the Recorded Files..............................................115
UNDELETE..................................................................115
Analog Output Settings .......................................................116
Changing Output Mode and Range...................................116
Analog Output Quantities..................................................118
AMODE/ASEL..............................................................118
Analog Output Tests..........................................................119
ITEST ...........................................................................120
Analog Output Fault Indication Setting..............................120
AERR............................................................................121
Operation of Relays..............................................................121
Quantity for Relay Output..................................................121
Relay Setpoints .................................................................121
Hysteresis..........................................................................123
Relay Indicating Transmitter Error Status .........................123
Enabling/Disabling Relays.................................................125
Setting Relay Outputs .......................................................125
RSEL............................................................................126
Testing Operation of Relays..............................................128
RTEST..........................................................................128
CHAPTER 5
MODBUS ....................................................................................................129
Overview of MODBUS Protocol Support............................129
Taking MODBUS into Use.................................................130
Enabling Serial MODBUS.....................................................131
Using Display/Keypad (Optional) ......................................131
Using Serial Line ...............................................................131
Enabling Ethernet MODBUS................................................133
Using Display/Keypad (Optional) ......................................133
Using Serial Line ...............................................................134
Diagnostic MODBUS Counters ...........................................136
Viewing Counters Using Display/Keypad..........................136
Viewing Counters Using Service Port ...............................136
Disabling MODBUS ..............................................................137
CHAPTER 6
PPM CONVERSION...................................................................................139
MMT330 ppm Conversion for Transformer Oils................139
Conversion Model with Average Coefficients...................139
Conversion Model with Oil-specific Coefficients..............140
Setting Oil Coefficients Using Serial Line..........................140
OIL.....................................................................................140
Using Display/Keypad .......................................................141
Determination of Oil-Specific Coefficients ........................141

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CHAPTER 7
MAINTENANCE .........................................................................................143
Periodic Maintenance ..........................................................143
Cleaning............................................................................143
Changing the Probe Filter.................................................143
Changing the Sensor...........................................................144
Error States.......................................................................145
Technical Support................................................................147
Product Returns...................................................................147
CHAPTER 8
CALIBRATION AND ADJUSTMENT.........................................................149
Cleaning the Sensor.............................................................150
Opening and Closing the Adjustment Mode .....................150
Relative Humidity Adjustment ............................................151
Using Push Buttons...........................................................151
Using Display/Keypad.......................................................152
Using Serial Line...............................................................153
CRH .............................................................................153
Relative Humidity Adjustment after Sensor Change........154
Using Display/Keypad.......................................................154
Using Serial Line...............................................................154
FCRH...........................................................................154
Temperature Adjustment.....................................................155
Using Display/Keypad.......................................................155
Using Serial Line...............................................................155
Analog Output Adjustment..................................................157
Using Display/Keypad.......................................................157
Using Serial Line...............................................................157
ACAL............................................................................157
Feeding Adjustment Information........................................158
Using Display/Keypad.......................................................158
Using Serial Line...............................................................158
CTEXT .........................................................................158
CDATE.........................................................................158
CHAPTER 9
TECHNICAL DATA....................................................................................159
Specifications.......................................................................159
Measured Values..............................................................159
Performance......................................................................159
Temperature.................................................................159
Operating Environment.....................................................160
Probe Specifications .........................................................160
MMT332.......................................................................160
MMT337.......................................................................160
MMT338.......................................................................160
Inputs and Outputs............................................................161
Mechanics.........................................................................161
Technical Specifications of Optional Modules ..................162
Power Supply Module..................................................162

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Analog Output Module..................................................162
Relay Module ...............................................................162
RS-485 Module ............................................................163
LAN Interface Module...................................................163
WLAN Interface Module...............................................163
Data Logger Module.....................................................163
Options and Accessories ....................................................164
Dimensions (mm/inch).........................................................165
MMT332 ............................................................................167
MMT337 ............................................................................167
MMT337 with Swagelok Connector...................................168
MMT338 ............................................................................168
APPENDIX A
MODBUS REFERENCE.............................................................................169
Function Codes.....................................................................169
Register Map.........................................................................170
Data Encoding...................................................................170
32-Bit Floating Point Format ........................................170
16-Bit Integer Format ...................................................171
Measurement Data (Read-Only).......................................172
Status Registers (Read-Only) ...........................................172
Configuration Registers.....................................................173
Exception Status Outputs....................................................173
Diagnostic Sub-Functions...................................................174
Device Identification Objects ..............................................175
Exception Responses..........................................................175

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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 The Water Solubility of Transformer Oils versus
Temperature.............................................................................26
Figure 5 Standard Mounting Dimensions (in mm/inch)..........................27
Figure 6 Mounting with Wall Mounting Kit..............................................28
Figure 7 Dimensions of the Plastic Mounting Plate (mm/inch)...............29
Figure 8 Mounting with DIN Rail Installation Kit.....................................29
Figure 9 Vertical Pole.............................................................................30
Figure 10 Horizontal Pole.........................................................................30
Figure 11 Mounting with Metal Wall Mounting Plate................................31
Figure 12 Dimensions of Metal Mounting Plate (mm/inch) ......................31
Figure 13 Mounting Rain Shield with Installation Kit................................32
Figure 14 Panel Mounting Frame.............................................................33
Figure 15 Panel Mounting Dimensions (mm/inch) ...................................33
Figure 16 Cable Bushings........................................................................34
Figure 17 Grounding the Screen of Electrical Cable................................35
Figure 18 Screw Terminal Block on Motherboard....................................37
Figure 19 Connections to 24 VAC Power Supply.....................................39
Figure 20 MMT332 Installation.................................................................40
Figure 21 MMT337 Probe with Swagelok Installation Kit.........................41
Figure 22 MMT337 Probe Installation to Pipeline with Swagelok
Installation Kit...........................................................................41
Figure 23 MMT338 Probe.........................................................................43
Figure 24 Sealing of Fitting Body into Process ........................................44
Figure 25 Tightening the Clasp Nut..........................................................44
Figure 26 Installing the MMT338 Probe through a Ball Valve Assembly.46
Figure 27 Sampling Cell DMT242SC2 .....................................................48
Figure 28 Power Supply Module ..............................................................49
Figure 29 Galvanic Output Isolation Module............................................54
Figure 30 Third Analog Output.................................................................54
Figure 31 Third Analog Output Selection.................................................55
Figure 32 Relay Module ...........................................................................57
Figure 33 RS-422/485 Module .................................................................58
Figure 34 4-Wire RS-485 Bus ..................................................................60
Figure 35 2-Wire RS-485 Bus ..................................................................61
Figure 36 LAN Interface Module...............................................................63
Figure 37 WLAN Interface Module...........................................................64
Figure 38 Data Logger Module.................................................................66
Figure 39 Pinout of the Optional 8-Pin Connector....................................67
Figure 40 Basic Display............................................................................70
Figure 41 Graphical Display.....................................................................71
Figure 42 Graphical Display with Data Logger.........................................72
Figure 43 Main Menus..............................................................................73
Figure 44 Display Alarm Active ................................................................77
Figure 45 Display Alarms .........................................................................77
Figure 46 Modifying an Alarm Limit..........................................................78
Figure 47 Service Port Connector and User Port Terminal
on Motherboard........................................................................80
Figure 48 Connection Example between PC Serial Port and User Port..81
Figure 49 Network Interface Menu...........................................................85

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Figure 50 IP Configuration Menu..............................................................85
Figure 51 Wireless LAN Settings..............................................................88
Figure 52 Entering Network SSID.............................................................88
Figure 53 Selecting the Wireless Network Type.......................................88
Figure 54 Web Configuration Interface for LAN .......................................91
Figure 55 Opening a Serial Connection....................................................92
Figure 56 Opening a Telnet Connection...................................................93
Figure 57 Device Information on Display................................................104
Figure 58 Current/Voltage Switches of Output Modules ........................116
Figure 59 Measurement-Based Relay Output Modes............................122
Figure 60 FAULT/ONLINE STATUS Relay Output Modes.....................124
Figure 61 Relay Indicators on Display....................................................126
Figure 62 Serial Interface Settings .........................................................131
Figure 63 IP Configuration......................................................................133
Figure 64 Wireless LAN Settings............................................................133
Figure 65 Communication Protocol ........................................................134
Figure 66 MODBUS Counters................................................................136
Figure 67 Changing the Sensor..............................................................144
Figure 68 Error Indicator and Error Message.........................................145
Figure 69 Adjustment and Purge Buttons...............................................150
Figure 70 Adjustment Menu....................................................................151
Figure 71 Selecting Point 1 Reference Type..........................................152
Figure 72 Transmitter Body Dimensions ................................................165
Figure 73 WLAN Antenna Dimensions...................................................166
Figure 74 MMT332 Probe Dimensions...................................................167
Figure 75 MMT337 Probe Dimensions...................................................167
Figure 76 MMT337 Probe with (Optional) Swagelok Connector,
Dimensions.............................................................................168
Figure 77 MMT338 Probe with Stainless Steel Filter (Oil Filter),
Dimensions.............................................................................168