Elvaco CMa11L Manuel utilisateur

CMa11L User’s Manual English137

CMa11L

User's Manual

English

CMa11L User’s Manual English

page | 2 (22)

Content

1DOCUMENT NOTES ....................................................................................................................................... 3

COPYRIGHT AND TRADEMARK .............................................................................................................................. 3

CONTACTS........................................................................................................................................................ 3

2IMPORTANT USAGE AND SAFETY INFORMATION.......................................................................................... 4

3USING THIS MANUAL .................................................................................................................................... 5

PURPOSE AND AUDIENCE..................................................................................................................................... 5

ONLINE RESOURCES............................................................................................................................................ 5

SYMBOLS ......................................................................................................................................................... 5

4INTRODUCTION ............................................................................................................................................. 6

APPLICATION DESCRIPTION .................................................................................................................................. 6

5GETTING STARTED......................................................................................................................................... 7

PURPOSE.......................................................................................................................................................... 7

PRODUCT SPECIFICATION..................................................................................................................................... 7

MOUNT THE DEVICE ........................................................................................................................................... 7

DEMOUNT THE DEVICE........................................................................................................................................ 8

CONNECT THE DEVICE TO LORAWAN NETWORK...................................................................................................... 8

5.5.1 Product configuration ........................................................................................................................... 8

5.5.2 Network preparation ............................................................................................................................ 9

5.5.3 Activation and LED indications.............................................................................................................. 9

5.5.4 Deactivate/reboot sensor ................................................................................................................... 10

6ADMINSTRATION REFERENCE ......................................................................................................................11

PURPOSE........................................................................................................................................................ 11

SECURITY AND ACCESS CONTROL ......................................................................................................................... 11

CONFIGURATION OPTIONS ................................................................................................................................. 11

ADAPTIVE DATA RATE (ADR) ............................................................................................................................. 12

TRANSMIT INTERVAL......................................................................................................................................... 12

6.5.1 EcoMode ............................................................................................................................................. 12

6.5.2 Manual transmit interval .................................................................................................................... 13

6.5.3 MaxDTx............................................................................................................................................... 13

SDC DATA...................................................................................................................................................... 14

MESSAGE FORMATS ......................................................................................................................................... 14

6.7.1 Standard ............................................................................................................................................. 14

6.7.2 Compact.............................................................................................................................................. 15

6.7.3 JSON .................................................................................................................................................... 15

DOWNLINK..................................................................................................................................................... 16

7TROUBLESHOOTING .....................................................................................................................................17

NO TELEGRAMS ARE RECEIVED FROM THE SENSOR .................................................................................................. 17

TEMPERATURE VALUE IS INACCURATE................................................................................................................... 17

8TECHNICAL SPECIFICATIONS .........................................................................................................................18

9TYPE APPROVALS .........................................................................................................................................20

10 DOCUMENT HISTORY ...............................................................................................................................21

VERSIONS....................................................................................................................................................... 21

11 REFERENCES .............................................................................................................................................22

TERMS AND ABBREVIATIONS .............................................................................................................................. 22

NUMBER REPRESENTATION ................................................................................................................................ 22

CMa11L User’s Manual English

page | 3 (22)

1 Document notes

All information in this manual, including product data, diagrams, charts, etc. represents information on

products at the time of publication, and is subject to change without prior notice due to product

improvements or other reasons. It is therefore recommended that customers contact Elvaco AB for the

latest product information before purchasing a CMa11L product.

The documentation and product are provided on an “as is” basis only and may contain deficiencies or

inadequacies. Elvaco AB takes no responsibility for damages, liabilities or other losses by using this

product.

reproduced in any form by any means without the written permission of Elvaco AB. Printed in Sweden.

CMa11L is a trademark of Elvaco AB, Sweden.

Contacts

Elvaco AB

Kabelgatan 2T

434 37 Kungsbacka

SWEDEN

Phone: +46 300 30250

E-Mail: [email protected]om

Elvaco AB Technical Support

Phone: +46 300 434300

E-Mail: support@elvaco.se

Online: http://www.elvaco.com

CMa11L User’s Manual English

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2 Important usage and safety information

The following safety precautions must be observed during all phases of the operation, usage, service or

repair of any CMa11L product. Users of the product are advised to convey the following safety

information to users and operating personnel and to incorporate these guidelines into all manuals

supplied with the product. Failure to comply with these precautions violates safety standards of design,

manufacture and intended use of the product. Elvaco AB assumes no liability for customer’s failure to

comply with these precautions.

All instructions must be carefully read before CMa11L is installed and used. They contain important

information about how the product is used properly.

The installation of CMa11L should not be started before the technical specifications are fully understood.

The work must be performed in the order listed in this manual, and only by qualified personnel. The work

must also be done in accordance with national electrical specifications and applicable local regulations.

In order to avoid the product being damaged by static electricity, an ESD wristband should be worn when

handling the product.

The labelling of the product must not be changed, removed or made unrecognizable.

CMa11L User’s Manual English

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3 Using this manual

Purpose and audience

This manual covers information needed to mount, configure and use the CMa11L indoor temperature and

humidity sensor for LoRaWAN. It mainly targets installers and system integators.

Online resources

To download the latest version of this user’s manual, please visit the Elvaco website at

https://www.elvaco.se/en/.

Symbols

The following symbols are used throughout the manual to emphasize important information and useful

tips:

The Note symbol is used to mark information that is important to take into consideration for

safety reasons or to assure correct operation of the sensor.

The Tip symbol is used to mark information intended to help you get the most out of your

product. It can for example be used to highlight a possible customization option related to the

current section.

CMa11L User’s Manual English

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4 Introduction

Application description

Long range and extensive battery-life with LoRaWAN

CMa11L is a temperature and humidity sensor for high-accuracy measuring in indoor environments. The

sensor uses LoRaWAN, a low-power wide-area network (LPWAN) communication technique, to offer a

combination of long range and high energy-efficiency; by using EcoMode, the sensor achieves a

guaranteed battery-life of at least 12 years.

All data that is delivered from end-point to receiving application is encrypted with double layers of 128-bit

encryption keys to maximize security.

A completely digitalized metering chain

CMa11L supports Elvaco One-Touch Commissioning for secure and flexible deployment of your devices.

Simply download the Elvaco OTC App to claim your sensor and all product-specific keys are

automatically transferred to your user account.

Via the Elvaco OTC App, configuration profiles are easily created and shared with other users to make

the configuration of the sensors simple and faultless.

CMa11L User’s Manual English

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5 Getting started

Purpose

This chapter provides instructions on how to get started with CMa11L. After reading and carefully

following each step of this chapter, the sensor will be installed and operational.

Product specification

Mount the device

CMa11L is mounted on a wall by using the holes on its back cover.

Avoid mounting the sensor near supplementary heat sources, such as kitchen stoves or in

direct sunlight.

Make sure to mount the product at least 1.5 meters above the floor and at least 1 meter

from nearest radiator.

Do not mount the product on an external wall or near a door. If mounted over a conduit pipe,

make sure that the pipe is filled to prevent air flow.

1. NFC antenna

2. Green LED

3. Red LED

4. Product label

5. Push button

CMa11L User’s Manual English

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Demount the device

To demount the sensor, carefully insert the end of a screwdriver in the upper part of one of the enclosure

bottom holes, as illustrated by

Figure 1.

Figure 1: Demounting CMa11L

Connect the device to LoRaWAN network

5.5.1 Product configuration

The sensor is normally configured via the Elvaco OTC App, which is downloaded via the following link:

https://otc.elvaco.se/app. For more information about the Elvaco OTC App, please refer to the separate

Elvaco OTC App User’s manual available at Elvaco’s website.

To scan/configure to the sensor, start by locating the NFC antenna on your phone. Thereafter place it

next to the center of CMa11L and hold it still until the phone vibrates.

The Elvaco OTC App is only available for Android phones with Android 5.0 or later.

Table 1 provides a summary of all configurable parameter in CMa11L.

Parameter

Description

Default value

Device

Configuration lock

Used to prevent unauthorized access to the sensor.

When enabled, the device-specific Product Access Key

(PAK) is required to configure the device. The PAK is

assigned to the Elvaco OTC user login as part of

background process when claiming the device.

Open

Power mode

Used to activate/deactivate the sensor. Upon activation,

the sensor will automatically attempt to join the

LoRaWAN network. At delivery, the power mode of the

sensor will be “off”, i.e. no messages will be transmitted.

Off

Maximum daily

transmissions

(MaxDTx)

The maximally allowed number of transmissions of the

device per day. This setting only applies when

EcoMode is inactive.

Off

CMa11L User’s Manual English

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EcoMode

When activated, the transmit interval is adapted to the

current signal conditions on the LoRaWAN network in

order to achieve a guaranteed battery-life of at least 12

years.

Transmit interval

Sets how frequently the sensor transmits data (with a

minimum limit of 5 minutes). This setting only applies

when EcoMode is inactive.

Message format

Sets the format of the message that is transmitted from

the sensor. See section 6.7 for more detailed

information.

Standard

SDC mode

Activates/deactivates the SDC functionality in the

module.

Off

SDC data

By using this field, a 4-character ASCII message can be

sent from the end-user to the receiving application. See

section 6.6 for more information.

LoRaWAN

Activation type

Sets the way the product joins the LoRaWAN. When

using OTAA (Over-the-air activation), LoRaWAN keys

are automatically generated when the sensor joins the

network. In ABP (Activation by personalization) mode,

keys are manually added and stay static over time.

OTAA

Join EUI/App EUI

The ID of the application where data from the sensor will

end up.

0x 00 00 00 00 00 00

00 00

Device address

64-bit number used by the sensor to identify itself on the

LoRaWAN network. The device address only has to be

configured in ABP mode. When using OTAA mode, it will

be automatically generated when the sensor joins the

LoRaWAN network.

Device-specific

Table 1: Configurable parameters

5.5.2 Network preparation

In order for the CMa11L to connect to the LoRaWAN network, the network server needs to be prepared

with key and device information. More specifically, the device EUI, the application key and the Join EUI of

the sensor needs to be registered in the network server when using OTAA mode. (In ABP mode, the

following information needs to be added: Application Session key, Network Session key, Device

address.)

All keys are generated in production and provided to the device owner when the sensor is claimed (via

the OTC App or via batch claim). For security reasons, keys cannot be read from the device via NFC.

Elvaco strongly recommends using OTAA mode in order to facilitate deployment and

minimize the risk of duplicated keys.

5.5.3 Activation and LED indications

When the product information has been registered in the network server and the sensor has been

activated, it will automatically connect to the LoRaWAN network. There are two ways to activate the

sensor:

1. Press and hold the Push button (5) on the back of the product for at least 5 seconds until the

green LED lights up.

2. Start the Elvaco OTC app and scan the sensor by placing the back of your phone next to the

front of the sensor. Navigate to the Apply tab and set Power mode to “Active”. Click Apply and

place the device on top of the sensor in the same way as when the device was scanned.

CMa11L User’s Manual English

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Make sure to locate the NFC antenna on your phone before scanning the sensor. It should

be placed as close as possible to the sensor’s NFC antenna (1) to facilitate scanning of the

device.

Network join

When activated, the sensor will attempt to join the LoRaWAN network. Activation is indicated by a short

flash of the green and the red LED. When CMa11L succeeds in joining the LoRaWAN network, the green

LED will light up for 8 seconds, as indicated by Figure 2.

In case of failing eight join attempts, the sensor will wait for 60 minutes before initiating another join

attempt cycle in order to conserve battery. A new join attempt cycle can be manually started anytime by

pressing and holding the push button (5) for at least 5 seconds until the green LED lights up.

When the sensor has joined the LoRaWAN network, data will be transmitted every minute for 10 minutes

in order to calibrate to the appropriate data rate. After this initial calibration phase, the sensor will start

using its configured settings.

Figure 2: LED indication, network join

Soft start

In rare cases, if the battery is weak, the sensor will perform a soft start in order to be able to start up

despite the battery condition. It normally takes 10 minutes to complete. The phase is indicated by flashes

of the red LED every 10th second, as indicated by Figure 3.

Figure 3: Soft start

5.5.4 Deactivate/reboot sensor

To reboot the sensor, press and hold the push button (5) for 5-15 seconds. Release the button when the

green LED is lit.

To deactivate off the sensor, press and hold the push button for 15-20 seconds. Release the button when

the red LED is lit. The sensor can also be switched off by using the Elvaco OTC App.

Figure 4: Reboot/deactivate sensor

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