Vaisala HMDW110 User Manual

USER'S GUIDE

Vaisala HMDW110 Series Humidity and

Temperature Transmitters

M211726EN-A

PUBLISHED BY

Vaisala Oyj Street address: Vanha Nurmijärventie 21, FI-01670 Vantaa, Finland Mailing address: P.O. Box 26, FI-00421 Helsinki, Finland Phone: +358 9 8949 1 Fax: +358 9 8949 2227

Visit our Internet pages at www.vaisala.com.

No part of this manual may be reproduced, published or publicly displayed in any form or by any means, electronic or mechanical (including photocopying), normay its contents be modified, translated, adapted, sold or disclosed to a third party without prior written permission of the copyright holder. Translated manuals and translated portions of multilingual documents are based on the original English versions. In ambiguous cases, the English versions are applicable, not the translations.

The contents of this manual are subject to change without prior notice.

This manual does not create any legally binding obligations for Vaisala towards customers or end users. All legally binding obligations and agreements are included exclusively in the applicable supply contract orthe General Conditions of Sale and General Conditions of Service of Vaisala.

Table of Contents

1 General Information 3

About This Document 3 Documentation Conventions 3 Safety 4 ESD Protection 4 Recycling 4 Trademarks 4 Software License 5 Warranty 5

2 Product Overview 6

HMDW110 Series Overview 6 Output Parameters Explained 7 HMD110/112 Parts 8 HMW110/112 Parts 9 HMS110/112 Parts 10 Component Board 11 Analog Output Overrange Behavior 12

3 Installation 13

Selecting Location 13 HMD110/112 Installation 14 HMW110/112 Installation 16 HMS110/112 Installation 17 Wiring HMDW110 19

Wiring Both Current Loops With a Single Power Supply 20 HMDW110 Power Supply Requirements 20 Wiring HMDW110 with RDP100 21

4 Service Port 22

Connecting to the Service Port 22 Terminal Application Settings 23 Serial Commands 24 Device Information and Status 25 Serial Line Output and Communication 28

Measurement Output 28

Measurement Output Format 29

Serial Line Communication 31 Analog output 33 Calibration and Adjustment Commands 36 Other Commands 39

5 Maintenance 41

Cleaning 41 Calibration and Adjustment 41

Adjustment Types 42

Adjustment Points 42 Calibration and Adjustment Using a Hand-Held Meter and a Reference Probe 43 One-Point Humidity Calibration and Adjustment Using a Hand-Held Meter and HMK15 Humidity Calibrator 45 Two-Point Humidity Calibration and Adjustment using a computer and a HMK15 Humidity Calibrator 46 Two-Point Temperature Calibration and Adjustment using a Computer 49 Replacing the HUMICAP®Sensor on HMD110/112 and HMW110/112 51 Replacing the HUMICAP®Sensor on HMS110/112 52

5 Troubleshooting 54

Error Messages 54 Technical Support 55 Product returns 55

6 Technical Data 56

Specifications 56 Dimensions 58 Spare Parts and Accessories 59

1 General Information

1 GENERAL INFORMATION

About This Document

This document provides information for installing, operating, and maintaining HMDW110 series transmitters.

Table 1 Version Information

Docu ment Code Description

M211726EN-A This document. July2014. First version.

Table 2 Related Documents

Docu ment Code Description

M211692EN HMDW110 Series Quick Guide

M210297EN HM70 User's Guide

M210185EN HMK15 User's Guide

M211691EN RDP100 User's Guide

Documentation Conventions

Warnings alert 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.

Cautions warn 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.

Notes highlight important information on using the product.

1 General Information

Safety

The HMDW110 series transmitter delivered to you has been tested for safety and approved as shipped from the factory. Note the following precautions:

Do not modify the unit. Improper modification can damage the product or lead to malfunction.

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, avoid touching exposed component contacts during installation and maintenance.

Recycling

Recycle all applicable material.

Dispose of the unit according to statutory regulations. Do not dispose of with regular household refuse.

Trademarks

HUMICAP®is a registered trademark of Vaisala Oyj.

Windows®is a registered trademark of Microsoft Corporation.

All other trademarks referred to are the property of their respective owners.

1 General Information

Software License

This product contains software developed by Vaisala. Use of the software is governed by license terms and conditions included in the applicable supply contract or, in the absence of separate license terms and conditions, by the General License Conditions of Vaisala Group.

Warranty

Visit our Internet pages for more information and 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.

2 Product Overview

2 PRODUCT OVERVIEW

HMDW110 Series Overview

HMDW110 series transmitters are accurate humidity and temperature transmitters for measurements in HVAC and cleanroom applications. The series consists of the following models:

n HMD110/112 models for installation in ventilation ducts

n HMW110/112 models for wall installation

n HMS110/112 models for outdoor use

All models are loop-powered, with 2-wire current outputs for humidity and temperature. HMD112, HMW112, and HMS112 are standard models. HMD110, HMW110, and HMS110 are factory configurable models that are delivered with customer specific output settings, including calculated humidity parameters and special scaling of outputs.

HMDW110 series transmitters can be connected to Vaisala’s RDP100 panel display for real-time viewing of the measurements. HMDW110 series can also supply the operating power to the display using only the loop power from the outputs.

2 Product Overview

Output Parameters Explained

HMDW110 series transmitters offer several output parameters. Relative humidity (RH) and temperature (T) are the measured parameters, the others are calculated based on RH and T.

Table 3 HMDW110 Series Output Parameters

Parameter Symbol Units Description

Temperature T °C

Relative humidity

Dewpoint Td/f °C

Enthalpy h kJ/kg

Wet bulb temperature

RH % Ratio of the partial pressure of water vapor in the air to

Tw °C

°F

BTU/lb

°F

Check the type label on your transmitter to verify its output parameters and scaling of the output channels.

Temperature in Celsius or Fahrenheit scale.

the saturation vapor pressure of air at current temperature.

Temperature at which the water vapor in the air will condense into water at the current pressure. When the dewpoint is below 0 °C, the transmitter outputs frostpoint (Tf) instead of dewpoint.

Sum of the internal energy of a ther modynamic system.

The minimum temperature that can be r eached by evaporative cooling in the current conditions.

2 Product Overview

HMD110/112 Parts

Figure 1 HMD110/112 Parts

1 = PTFE membrane filter. 2 = Sensors for humidity and temperature. 3 = Fastening flange. 4 = Tightening screw for fastening flange. 5 = Type label. 6 = Transmitter cover. 7 = Component board. See Component Board on page11. 8 = Cable glands for 4 ... 8 mm diameter cable.

HMW110/112 Parts

Figure 2 HMW110/112 Parts

1 = Screw holes for mounting (2 pcs). 2 = Cable gland. 3 = Sensors for humidity and temperature. 4 = PTFE filter. 5 = Type label. 6 = Component board. See Component Board on page11. 7 = Probe. 8 = Transmitter cover with captive screws.

2 Product Overview

HMS110/112 Parts

Figure 3 HMS110/112 Parts

1 = Radiation shield. Do not remove for installation, only when replacing the

sensor or filter.

2 = Long screws that keep the radiation shield in place (2 pcs),

3mmhexsocket. 3 = Sensors for humidity and temperature under PTFE membrane filter. 4 = Component board. See Component Board on the facing page. 5 = Transmitter body. 6 = Screws for pole mounting (2 pcs, medium size Pozidriv). 7 = Clamp for pole mounting. The holes are threaded for the included pole

mounting screws and set screw. 8 = Set screw (medium size Pozidriv). Install after pole mounting to stop the

transmitter from turning. 9 = Medium size crosshead screws (6 pcs). 10 = Transmitter cover. 11 = Cable gland. Suitable for 4 ... 8 mm diameter cable.

2 Product Overview

Component Board

All HMDW110 transmitter models use the same component board and have two 4...20 mA outputs (loop powered). There is also a service port for configuration and calibration use.

Figure 4 HMDW110 Series Compo nen t Board

1 = Terminal block for 4 ... 20 mA current loop outputs. 2 = Service port connector (4-pin M8). 3 = Terminal block for RS-485 output to RDP100 display panel (optional).

You can pull out the terminal blocks from the component board for easier installation, and to disconnect the transmitter from power and RS-485 when using the service port.

2 Product Overview

Analog Output Overrange Behavior

Analog outputs of the HMDW100 series transmitters have a defined behavior when the values measured by the transmitter are outside the scaled analog output range:

n Output is clipped at the end of the scaled output range.

n You can allow the output exceed the scaled range by 10%with the aover

serial command.

n Output is set to error state (default 3.6 mA)if an error is active (for example,

due to sensor damage). You can change the error state using the aerr command.

For configuration of the analog outputs using serial commands, see section Analog output on page33.

3 I nstallation

3 INSTALLATION

Selecting Location

When mounting duct model transmitters:

n Avoid installing in a location where condensation may fall on the sensor

inside the duct.

n Position the sensor in the center of the duct.

n Select a site where the transmitter can be installed horizontally, onto the side

of the duct. Do not point the probe downward, as this will make condensation run down to the sensor.

When mounting wall model transmitters:

n Select a location that represents well the area of interest.

n Do not install on the ceiling.

n Avoid placing the transmitter near heat and moisture sources, close to the

discharge of the supply air ducts, and in direct sunlight.

When mounting outdoor transmitters:

n Install in a location with a good airflow around the transmitter.

n Avoid placing the transmitter near windows, air conditioning units, or other

heat and moisture sources such as cooling towers.

n Install the transmitter at least 2.5 m above ground level.

3 I nstallation

HMD110/112 Installation

n Medium size crosshead screwdriver (Pozidriv) for screws on

cover and flange.

n Small slotted screwdriver for screw terminals.

n Drill with 2.5 mm and 13 mm bits for making the installation

holes.

n Tools for cutting and stripping wires.

n 19 mm open-end wrench for tightening the cable gland.

Figure 5 HMD110/112 Installation

1. Remove the yellow transport protection cap and separate the fastening flange from the transmitter.

2. Use the flange to mark the location and size of the installation holes on the side of the duct.

3. Drill the installation holes in the duct. Secure the fastening flange to the duct with the two screws (included).

3 I nstallation

4. Push the probe of the transmitter through the flange and into the duct.The probe should reach far enough so that the sensor is located in the middle of the duct.

Figure 6 HMD110/112 Centering Inside Duct

5. Secure the transmitter to the flange by tightening the screw on the flange that holds the probe in place.

6. Open the transmitter cover, and route the cables through the cable glands. Connect the wires to the screw terminals according to the wiring instructions:

Wiring HMDW110 on page19

Wiring HMDW110 with RDP100 on page21

For the arrangement of the screw terminals, see section Component Board on page11.

7. Tighten the cable gland(s) and close the transmitter cover.

3 I nstallation

HMW110/112 Installation

n Medium size crosshead screwdriver (Pozidriv) for cover

screws.

n Small slotted screwdriver for screw terminals.

n Two installation screws: Ø ≤ 3.5 mm, head Ø≤8mm.

n Depending on the wall material and screw type, you may

need a drill and a suitable drill bit to make installation holes for screws.

n Tools for cutting and stripping wires.

n 19 mm open-end wrench for tightening the cable gland.

Figure 7 HMW110/112 Installation

1. Open the transmitter cover and use two screws (not included) to attach the transmitter to the wall. The probe and cable gland should point down.

3 I nstallation

2. Open the transmitter cover, and route the cable through the cable gland. Connect the wires to the screw terminals according to the wiring instructions:

Wiring HMDW110 on page19

Wiring HMDW110 with RDP100 on page21

For the arrangement of the screw terminals, see section Component Board on page11.

3. Tighten the cable gland and close the transmitter cover.

4. Remove the yellow transport protection cap from the probe.

HMS110/112 Installation

n Medium size crosshead screwdriver (Pozidriv).

n Small slotted screwdriver for screw terminals.

n Tools for cutting and stripping wires.

n 19 mm open-end wrench for tightening the cable gland.

Additional tools for pole installation:

n Zip ties for securing the cable to the pole.

Additional tools for wall installation:

n Drill and bits.

n Screws (2 pcs, Ø < 5.5 mm) and wall plugs.

n Cable clips for securing the cable to the wall.

1. Open the six screws that hold the transmitter cover.

2. Route the power and signal cable through the cable gland, and connect the wires to the screw terminals according to the wiring instructions:

Wiring HMDW110 on page19

Wiring HMDW110 with RDP100 on page21

For the arrangement of the screw terminals, see section Component Board on page11.

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