Vaisala HPP272 User manual

M211972EN-B

User Guide

Vaisala PEROXCAPâHydrogen Peroxide,

Humidity and Temperature Probe

HPP272

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

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

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.

Local rules and regulations may

vary and they shall take

precedence over the information

contained in this manual. Vaisala

makes no representations on this

manual’s compliance with the

local rules and regulations

applicable at any given time, and

hereby disclaims any and all

responsibilities related thereto.

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.

This product contains software

developed by Vaisala or third

parties. 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.

Table of Contents

1. About This Document................................................................................... 5

1.1 Version Information.......................................................................................... 5

1.2 Related Manuals................................................................................................ 5

1.3 Documentation Conventions...........................................................................5

1.4 Trademarks........................................................................................................ 6

1.5 Patent Notice.....................................................................................................6

2. Product Overview........................................................................................... 7

2.1 Introduction to HPP272....................................................................................7

2.2 Basic Features and Options.............................................................................8

2.3 Safety..................................................................................................................8

2.4 ESD Protection.................................................................................................. 9

2.5 Measured Parameters.......................................................................................9

2.5.1 Understanding Relative Humidity and Relative Saturation................10

2.6 Probe Filter........................................................................................................11

2.7 Chemical Purge.................................................................................................11

2.8 Environmental Compensation for Pressure..................................................12

2.9 Measurement Filtering Factor........................................................................12

2.10 Connectivity to Vaisala Insight Software......................................................12

2.11 Additional Features with Indigo Transmitters..............................................13

3. H2O2Measurement....................................................................................... 14

3.1 Operating Principle of H2O2Measurement.................................................. 14

3.2 Typical Applications........................................................................................ 16

3.3 Condensation Monitoring...............................................................................18

4. Installation.......................................................................................................20

4.1 Wiring...............................................................................................................22

4.2 Power Supply.................................................................................................. 23

4.3 Setting Probe in Analog or Digital Mode.....................................................23

5. Operation......................................................................................................... 25

5.1 Probe Start-Up................................................................................................25

5.2 Behavior at Exposure to H2O2.......................................................................25

5.3 H2O2Concentration Reading When Not Exposed to H2O2.......................25

5.4 Modbus............................................................................................................ 26

5.5 Operation in Analog Mode............................................................................ 26

5.5.1 Analog Output Overrange Behavior.....................................................26

5.5.2 Triggering Purge in Analog Mode......................................................... 27

6. Vaisala Insight Software............................................................................ 28

6.1 Connecting to Insight Software....................................................................28

Table of Contents

7. Using Probe with Indigo Transmitters................................................. 29

7.1 Indigo Overview............................................................................................. 29

7.1.1 Wireless Conﬁguration Interface Overview.........................................30

7.2 Attaching Probes.............................................................................................31

7.3 Connecting to Wireless Conﬁguration Interface........................................ 32

7.4 Logging in to Wireless Conﬁguration Interface..........................................33

8. Maintenance....................................................................................................34

8.1 Cleaning the Probe.........................................................................................34

8.1.1 Chemical Tolerance.................................................................................34

8.2 Calibration and Adjustment.......................................................................... 35

9. Troubleshooting............................................................................................ 36

9.1 Problems and Their Possible Solutions........................................................36

9.2 Analog Output Error State............................................................................40

10. Technical Data.................................................................................................41

10.1 Dimensions......................................................................................................43

10.2 Accessories..................................................................................................... 44

Appendix A: Modbus Reference........................................................................45

A.1 Default Communication Settings................................................................. 45

A.2 Function Codes...............................................................................................45

A.3 Data Encoding................................................................................................ 45

A.3.1 32-Bit Floating Point or Integer Format...............................................45

A.3.2 16-Bit Integer Format............................................................................. 46

A.4 Modbus Registers...........................................................................................46

A.4.1 Measurement Data Registers.................................................................47

A.4.2 Conﬁguration Registers......................................................................... 48

A.4.3 Status Registers...................................................................................... 54

A.4.4 Device Identiﬁcation Objects.................................................................56

A.4.5 Test Value Registers................................................................................ 57

A.5 Modbus Communication Examples..............................................................58

Warranty........................................................................................................................ 61

Technical Support...................................................................................................... 61

Recycling....................................................................................................................... 61

HPP272 User Guide M211972EN-B

List of Figures

Figure 1 HPP272 Probe Parts...........................................................................................7

Figure 2 Eect of H2O and H2O2on relative saturation (RS) and

relative humidity (RH).....................................................................................10

Figure 3 Operating principle of PEROXCAP measurement................................... 15

Figure 4 Example behavior of H2O2concentration, relative

saturation (RS), and relative humidity (RH) in a

vaporized H2O2bio-decontamination cycle (non-

condensing conditions)...................................................................................17

Figure 5 Example: RS behavior in dierent temperatures when

H2O2concentration (500 ppm) and H2O concentration

(8850 ppm) are constant............................................................................... 18

Figure 6 Decontaminated space with dierent temperatures and

RS levels (H2O2and H2O concentration evenly distributed)................ 19

Figure 7 Probe M12/5 Pins..............................................................................................22

Figure 8 Wiring Example for Connecting HPP272 to a PLC in

Analog Mode..................................................................................................... 23

Figure 9 Pins on the M12 male connector.................................................................. 24

Figure 10 Connecting Probe to Insight.........................................................................28

Figure 11 Attaching Probes to Indigo............................................................................31

Figure 12 Enabling and Accessing Indigo's Wireless Conﬁguration

Interface..............................................................................................................32

Figure 13 Indigo Login View............................................................................................ 33

Figure 14 HPP272 Dimensions........................................................................................ 43

List of Figures

List of Tables

Table 1 Document Versions..............................................................................................5

Table 2 Related Manuals....................................................................................................5

Table 3 Applicable Patents or Applications.................................................................6

Table 4 Available Parameters...........................................................................................9

Table 5 Measurement Performance..............................................................................41

Table 6 Inputs and Outputs............................................................................................42

Table 7 Mechanical Speciﬁcations............................................................................... 43

Table 8 Operating Environment....................................................................................43

Table 9 Spare Parts and Accessories.......................................................................... 44

Table 10 Default Modbus Serial Communication Settings...................................... 45

Table 11 Modbus Function Codes.................................................................................. 45

Table 12 16-bit Signed Integer Format Details........................................................... 46

Table 13 Modbus Measurement Data Registers (Read-Only).................................47

Table 14 Modbus Conﬁguration Data Registers (Writable)....................................49

Table 15 Modbus Status Registers (Read-Only)........................................................ 54

Table 16 Error Codes in Register 0201hex (32-bit)..................................................... 55

Table 17 Error Codes in Register 0203hex (32-bit).................................................... 56

Table 18 Device Identiﬁcation Objects......................................................................... 56

Table 19 Test Value Registers...........................................................................................57

HPP272 User Guide M211972EN-B

1. About This Document

1.1 Version Information

This document provides instructions for installing, using, and maintaining Vaisala PEROXCAPâ

Hydrogen Peroxide, Humidity and Temperature Probe HPP272.

Table 1 Document Versions

Document

Code

Date Description

M211972EN-B December 2017 This document. Added description and Modbus registers for

pressure compensation, removed restriction not to perform a

purge during H2O2exposure, clariﬁed operating system

requirements for Vaisala Insight software, clariﬁed Indigo

200 transmitter compatibility with HPP272.

M211972EN-A September 2017 First version.

1.2 Related Manuals

Table 2 Related Manuals

Document Code Name

M211887EN Hydrogen Peroxide, Humidity and Temperature Probe HPP270 Series Quick

Guide

M211877EN Indigo 201 Analog Output Transmitter User Guide

1.3 Documentation Conventions

Warning alerts you to a serious hazard. If you do not read and

follow instructions carefully at this point, there is a risk of injury or even death.

WARNING!

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.

CAUTION!

Chapter 1 – About This Document

Note highlights important information on using the product.

Tip gives information for using the product more eciently.

Lists tools needed to perform the task.

Indicates that you need to take some notes during the task.

1.4 Trademarks

Vaisalaâ, HUMICAPâ, and PEROXCAPâare registered trademarks of Vaisala Oyj.

Indigo™is a trademark of Vaisala Oyj.

All other product or company names that may be mentioned in this publication are trade

names, trademarks, or registered trademarks of their respective owners.

1.5 Patent Notice

This product is protected by the following patents and patent applications and their

corresponding national rights:

Table 3 Applicable Patents or Applications

Issuing Oce Publication Number

European Patent Oce EP 3004868

State Intellectual Property Oce of the P.R.C. CN 105229463A

United States Patent and Trademark Oce US 20160084811

HPP272 User Guide M211972EN-B

2. Product Overview

2.1 Introduction to HPP272

Vaisala PEROXCAPâHydrogen Peroxide, Humidity and Temperature Probe HPP270 series is

designed for demanding hydrogen peroxide bio-decontamination processes. The probes are

suitable for a variety of applications such as isolator, material transfer hatch, and room bio-

decontamination.

Hydrogen Peroxide, Humidity and Temperature Probe HPP272 provides measurement for

vaporized H2O2concentration, relative saturation, relative humidity, and temperature.

The H2O2measurement is based on comparing the readings of two composite humidity

sensors to determine the vapor concentration of H2O2. The probes are easy to install with a

plug-in/plug-out M12/5 connection. The digital and analog output options include an RS-485

interface for Modbus communication and two current output channels.

The probe is not intended for safety level measurement.

The probe is not intended to be used in vacuum applications.

When there is H2O2in the probe's environment, the probe must

always be powered on. When powered on, the PEROXCAP sensor is heated,

which permits using the probe in condensing H2O2conditions, maintains

measurement performance, and lengthens the probe's lifetime. When the probe

is powered o, exposure to H2O2condensation can break the PEROXCAP sensor

within a day, and the sensor will not recover.

CAUTION!

21 543

Figure 1 HPP272 Probe Parts

1Yellow transport cap. Remove this cap

before using the probe.

2Filter covering the sensor. The ﬁlter is

an essential part of the measurement

technology: do not remove the ﬁlter.

Filters are available as spare parts.

3PEROXCAP sensor under the ﬁlter.

4H2O2and humidity probe.

5Temperature probe.

65-pin M12 connector.

Chapter 2 – Product Overview

More Information

‣Dimensions (page 43)

‣Operating Principle of H2O2 Measurement (page 14)

‣Installation (page 20)

‣Wiring (page 22)

2.2 Basic Features and Options

• Vaisala PEROXCAPâH2O2measurement technology with excellent long-term stability.

• Vaporized H2O2measurement range 0 ... 2000 ppm.

• Relative saturation (RS) measurement range 0 ... 100 %RS.

• Relative humidity (RH) measurement range 0 … 100 %RH.

• Temperature (T) measurement range +5 ... +70 °C.

• Robust design allowing the probe to be installed directly in the process environment.

When powered on, the probe withstands H2O2and H2O condensation. The probe also

withstands nitrogen gas.

• Protective ﬁlter over the sensors designed to withstand high air ﬂow rates and turbulence.

• Sensor heating to avoid condensation on the sensors.

• Chemical purge for optimized performance and lifetime.

• Pressure compensation for H2O2concentration (ppm), H2O concentration (ppm), and

relative saturation (%RS) measurement.

• Digital output: RS-485 interface for Modbus communication.

• Analog output: 2 x 4 ... 20 mA (default).

• Easy plug-in, plug-out.

• Can be used as a stand-alone probe or with Vaisala Indigo 200 series transmitters.

• Can be connected to Vaisala Insight software for conﬁguration, diagnostics, and

temporary online monitoring.

More Information

‣Technical Data (page 41)

2.3 Safety

Ground the product and verify installation grounding periodically

to minimize shock hazard.

WARNING!

When returning a product for calibration or repair, make sure it

has not been exposed to dangerous contamination, and is safe to handle

without special precautions.

WARNING!

HPP272 User Guide M211972EN-B

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