Vaisala HUMICAP HMW90 SERIES User manual

USER'S GUIDE
Vaisala HUMICAP® Humidity and
Temperature Transmitte
r
HMW90 Series
M211399EN-A

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

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Table of Contents
CHAPTER 1
GENERAL INFORMATION............................................................................ 5
About This Manual ................................................................... 5
Contents of This Manual ....................................................... 5
Version Information ............................................................... 6
Related Manuals ................................................................... 6
Documentation Conventions................................................. 6
Safety......................................................................................... 6
ESD Protection...................................................................... 7
Recycling .................................................................................. 7
Regulatory Compliances ......................................................... 7
Patent Notice ............................................................................ 8
Trademarks ............................................................................... 8
License Agreement .................................................................. 8
Warranty.................................................................................... 8
CHAPTER 2
PRODUCT OVERVIEW.................................................................................. 9
Introduction to HMW90 Series ................................................ 9
HMW90 Series Transmitters.................................................. 10
Supported Quantities............................................................. 10
Transmitter parts.................................................................... 11
CHAPTER 3
INSTALLATION............................................................................................ 13
Configuration Before Installation ......................................... 13
Configuration Using DIP Switches ...................................... 14
Relay Configuration in Rotary Switch Mode ....................... 15
Selecting Location ................................................................. 17
Wiring ...................................................................................... 18
Wiring HMW92 .................................................................... 18
Wiring HMW93 .................................................................... 19
CHAPTER 4
OPERATION................................................................................................. 21
Display..................................................................................... 21
Startup Screens .................................................................. 21
Measurement Screen.......................................................... 22
Indicators on the Display..................................................... 22
Service Port ............................................................................ 23
Connecting With an MI70 Indicator..................................... 23
Connecting With a PC......................................................... 23
Installing the Driver for the USB Service Cable ............. 24

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Terminal Application Settings.........................................25
List of Serial Commands .......................................................27
Transmitter Information .........................................................28
Show Transmitter Information .............................................28
Show Transmitter Firmware Version...................................28
Show Transmitter Serial Number ........................................28
Show Transmitter Status .....................................................29
Show Measured Quantities .................................................30
Show Command List ...........................................................30
Show Command Help .........................................................31
Measurement Settings ...........................................................31
Set Environmental Parameters ...........................................31
Select Units .........................................................................32
Analog Output Settings .........................................................32
Set Analog Output Mode .....................................................32
Set Analog Output Scaling ..................................................33
Set Output Clipping and Error Limit.....................................34
Display Settings......................................................................35
Select Quantities to Display ................................................35
Serial Line Output Commands..............................................36
Start Measurement Output..................................................36
Stop Measurement Output ..................................................36
Output a Reading Once.......................................................36
Set Output Interval...............................................................37
Set Output Format...............................................................38
Serial Line Settings ................................................................39
Set Remote Echo ................................................................39
Set Serial Line Response Time...........................................40
Relay Configuration in Custom Mode ..................................40
Set Relay Mode...................................................................40
Set Relay Quantity and Limits.............................................41
Relay Configuration Examples............................................42
Calibration and Adjustment Commands..............................43
Adjust Humidity Measurement ............................................43
Show Current RH Adjustment ........................................43
1-point Adjustment of RH Measurement........................44
2-point Adjustment of RH Measurement........................44
Clear User Adjustment of RH Measurement..................45
Adjust Temperature Measurement......................................45
Show Current T Adjustment ...........................................45
1-point Adjustment of T Measurement...........................45
Clear User Adjustment of T Measurement.....................46
Enter Calibration and Adjustment Information ....................46
Testing Commands ................................................................47
Test Analog Outputs............................................................47
Test Relay Operation...........................................................48
Other Commands ...................................................................48
Enable Advanced Serial Commands...................................48
Revert to Factory Settings...................................................49
Reset Transmitter................................................................49

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CHAPTER 5
MAINTENANCE ........................................................................................... 50
Periodic Maintenance ............................................................ 50
Cleaning .............................................................................. 50
Calibration and Adjustment................................................. 51
Adjustment Using Display and Trimmers....................... 52
Adjustment Using an HM70 ........................................... 53
Adjustment Using a PC.................................................. 54
Repair Maintenance ............................................................... 55
Replacing the HTM10 Module............................................. 55
CHAPTER 6
TROUBLESHOOTING ................................................................................. 57
Problem Situations................................................................. 57
Error Messages ...................................................................... 58
Error Messages on the Display........................................... 58
Error Messages on the Serial Line...................................... 58
View Currently Active Errors .......................................... 58
View Error Table ............................................................ 59
Error State............................................................................... 60
Technical Support .................................................................. 60
Product Returns ..................................................................... 60
CHAPTER 7
TECHNICAL DATA ...................................................................................... 61
Specifications ......................................................................... 61
Spare Parts and Accessories................................................ 62
Dimensions in mm ................................................................. 63

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List of Figures
Figure 1 HMW90 Series Transmitters ......................................................9
Figure 2 Transmitter Parts – Outside......................................................11
Figure 3 Transmitter Parts - Inside .........................................................12
Figure 4 DIP Switch Settings ..................................................................14
Figure 5 Relay High in Rotary Switch Mode...........................................16
Figure 6 Relay Low in Rotary Switch Mode............................................16
Figure 7 Selecting Transmitter Location.................................................17
Figure 8 Wiring HMW92..........................................................................18
Figure 9 Wiring HMW93..........................................................................19
Figure 10 Three-Wire Wiring for HMW93 .................................................19
Figure 11 Connecting a Common AC Power Supply ...............................19
Figure 12 HMW93 Startup Screens..........................................................21
Figure 13 Measurement Screen – Normal Operation...............................22
Figure 14 Measurement Screen – Problem With Measurement ..............22
Figure 15 PuTTY Terminal Application.....................................................26
Figure 16 Relay Hi_Active in Custom Mode.............................................42
Figure 17 Relay Lo_active in Custom Mode.............................................42
Figure 18 Trimmer Centering Screen .......................................................52
Figure 19 Trimmer Centering Screen .......................................................52
Figure 20 Replacing the HTM10 Module..................................................55
Figure 21 HMW90 Series Dimensions......................................................63
Figure 22 Dimensions of the Mounting Base............................................63
List of Tables
Table 1 Manual Revisions .......................................................................6
Table 2 Related Manuals.........................................................................6
Table 3 HMW90 Series Transmitters ....................................................10
Table 4 Quantities Supported by HMW90 Series..................................10
Table 5 Rotary Switch and Relay Setpoint............................................15
Table 6 Serial Interface Settings ...........................................................25
Table 7 Basic Serial Commands ...........................................................27
Table 8 Advanced Serial Commands....................................................27
Table 9 FORM Command Parameters..................................................39
Table 10 FORM Command Modifiers......................................................39
Table 11 Troubleshooting Table..............................................................57
Table 12 Error Messages on the Display ................................................58
Table 13 Error Messages on the Serial Line ...........................................59
Table 14 Performance .............................................................................61
Table 15 Operating Environment.............................................................61
Table 16 Inputs and Outputs ...................................................................62
Table 17 Mechanics.................................................................................62
Table 18 HMW90 Series Spare Parts and Accessories..........................62

Chapter 1 ________________________________________________________ General Information
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CHAPTER 1
GENERAL INFORMATION
This chapter provides general notes for the manual and HMW90 series
transmitters.
About This Manual
This manual provides information for installing, operating, and
maintaining HMW90 series transmitters.
Contents of This Manual
This manual consists of the following chapters:
- Chapter 1, General Information, provides general notes for the manual
and HMW90 series transmitters.
- Chapter 2, Product Overview, introduces the features, advantages, and
the product nomenclature.
- Chapter 3, Installation, provides you with information that is intended
to help you install the HMW90 series transmitters.
- Chapter 4, Operation, contains information that is needed to operate
the HMW90 series transmitters.
- Chapter 5, Maintenance, provides information that is needed in basic
maintenance of the HMW90 series.
- Chapter 6, Troubleshooting, describes common problems, their
probable causes and remedies, and provides contact information for
technical support.
- Chapter 7, Technical Data, provides the technical data of the HMW90
series transmitters.

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Version Information
Table 1 Manual Revisions
Manual Code Description
M211399EN-A December 2011. This manual. First version.
Related Manuals
Table 2 Related Manuals
Manual Code Manual Name
M211398EN HMW92 and HMW93 Quick Guide
Documentation Conventions
Throughout the manual, important safety considerations are highlighted
as follows:
WARNING Warning alerts you to a serious hazard. If you do not read and follow
instructions very carefully at this point, there is a risk of injury or even
death.
CAUTION Caution warns you of a potential hazard. If you do not read and follow
instructions carefully at this point, the product could be damaged or
important data could be lost.
NOTE Note highlights important information on using the product.
Safety
The HMW90 series transmitter delivered to you has been tested and
approved as shipped from the factory. Note the following precautions:
CAUTION Do not modify the unit. Improper modification can damage the product
or lead to malfunction.

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ESD Protection
Electrostatic Discharge (ESD) can cause immediate or latent damage to
electronic circuits. Vaisala products are adequately protected against
ESD for their intended use. It is possible to damage the product,
however, by delivering electrostatic discharges when touching,
removing, or inserting any objects inside the equipment housing.
To make sure you are not delivering high static voltages yourself:
- Handle ESD sensitive components on a properly grounded and
protected ESD workbench.
- Always hold component boards by the edges and avoid touching the
component contacts.
Recycling
Recycle all applicable material.
Dispose of the unit according to statutory regulations. Do not dispose of
with regular household refuse.
Regulatory Compliances
The HMW90 series complies with the following performance and
environmental test standards:
- EMC-Directive
Conformity is shown by compliance with the following standards:
- EN 61326-1: Electrical equipment for measurement, control, and
laboratory use – EMC requirements – for use in industrial locations.
- EN 550022: Information technology equipment – Radio disturbance
characteristics – Limits and methods of measurement.

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Patent Notice
The HMW90 series is protected by, for example, the following patents
and their corresponding national rights:
Finnish patent 98861, French patent 6650303, German patent 69418174,
Japanese patent 3585973, UK patent 0665303, U.S. patent 5607564.
Trademarks
HUMICAP® is a registered trademark of Vaisala Oyj.
Windows® is a registered trademark of Microsoft Corporation in the
United States and/or other countries.
License Agreement
All rights to any software are held by Vaisala or third parties. The
customer is allowed to use the software only to the extent that is provided
by the applicable supply contract or Software License Agreement.
Warranty
Visit our Internet pages for our standard warranty terms and conditions:
www.vaisala.com/warranty.
Please observe that any such warranty may not be valid in case of
damage due to normal wear and tear, exceptional operating conditions,
negligent handling or installation, or unauthorized modifications. Please
see the applicable supply contract or Conditions of Sale for details of the
warranty for each product.