Elsys ERS Manuale utente

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Specifications in this document are subject to change without notice.

©Elektroniksystem i Umeå AB 2019

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Important safety information

Read this manual before attempting to install the device!

Failure to observe recommendations included in this manual may be

dangerous or cause a violation of the law. The manufacturer, Elektroniksystem i

Umeå AB will not be held responsible for any loss or damage resulting from not

following the instructions of this operating manual.

•The device must not be dismantled or modified in any way.

•The device is only intended for indoor use. Do not expose it to moisture.

•The device is not intended to be used as a reference sensor, and

Elektroniksystem i Umeå AB will not be held liable for any damage which

may result from inaccurate readings.

•The battery should be removed from the device if it is not to be used for

an extended period. Otherwise, the battery might leak and damage

the device. Never leave a discharged battery in the battery

compartment.

•The device must never be subjected to shocks or impacts.

Disposal note in accordance with ElektroG and WEEE Directive

2012/19/EU

The device, as well as all the individual parts, must not be disposed of with

household waste or industrial waste. You are obliged to dispose of the device at

the end of its service life in accordance with the requirements of ElektroG in

order to protect the environment and to reduce waste through recycling. For

additional information and how to carry out disposal, please contact the certified

disposal service providers. The sensors contain a lithium battery, which must be

disposed of separately.

 
3 
Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden 
E-mail: suppo[email protected] ǀWeb: www.elsys.se 
Contents 
 
Description .........................................................................................................................4 
Main features of ERS Sound.......................................................................................5 
Installation ..........................................................................................................................6 
Sensor configuration.........................................................................................................8 
NFC Configuration ........................................................................................................8 
Over the air configuration............................................................................................9 
Application parameters ................................................................................................9 
Sensor behavior.................................................................................................................9 
NFC Read / Write..........................................................................................................9 
Sensor startup............................................................................................................10 
Sampling mode / Periodic measurement ..............................................................11 
Motion detection range ............................................................................................11 
PIR Lens detection pattern ......................................................................................11 
Specifications ..................................................................................................................12 
Sensor payload format..............................................................................................12 
Regulations......................................................................................................................13 
Legal Notices..............................................................................................................13 
Federal Communication Commission Interference Statement...........................13 
Non-modifications Statement ..................................................................................13 
Caution ........................................................................................................................14 
Industry Canada Statement......................................................................................14 
Declaration of conformity.........................................................................................14 
 

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Description

This is an advanced indoor environment sensor for LoRaWAN® wireless

network. ERS Sound have internal sensors for measuring indoor sound levels

(peak and average), temperature, humidity, light intensity, and motion. ERS

Sound is a battery-powered device and is designed to be wall-mounted. The

motion sensor can be used for presence monitoring systems. ERS Sound is

equipped with NFC (Near Field Communication) and can easily be configured

from a smartphone.

The barcode contains DevEUI and sensor type. This label is located at the back

of your device,

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Main features of ERS Sound

•Compatible with LoRaWAN® specification 1.0.3

•Measures ambient sound levels (Peak and average)

•Never misses a sound event

•Measures ambient temperature

•Measures ambient humidity

•Measures light intensity

•Detects motion using a passive IR sensor

•Easy installation

•Easy configuration

•May be installed on a wall or any surface

•Battery-powered

•Long-range communication

•Configurable over NFC

•Configurable over the air

•Two years of battery life*

•Supported channel plans: US902-928, EU863-870, AS923, AU915-

928, KR920-923, RU864, IN865 & HK923

•CE Approved and RoHS compliant

*Depending on settings and environmental factors

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Installation

1. Remove the back panel of the sensor with a small screwdriver.

2. Install the batteries. The ERS Sound requires one or two AA batteries.

The battery type is 3.6V Lithium Battery (ER14505). You can use one

battery, but it’s recommended that you use two for best performance

and battery life. Use battery slot A if only one battery is used.

Caution: Using batteries other than the ones provided may result in loss of performance

and battery life, and also damage to the device. Dispose of properly, observing

environmental protection rules.

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

3. Mount the back panel on the wall using some of the six mounting holes.

It may also be mounted using adhesive tape.

Caution: This device must not be placed near any doors, machines (e.g.,

printer, coffee machine) or in other areas where there’s something that

can make loud sounds. Such placements will give false sound values

(both peak and average).

4. Attach the sensor part to the back panel.

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Sensor configuration

All sensor settings can be configured via a smartphone application with NFC

(Near Field Communication) or over the air via the network server and downlink

data to the sensor. The sampling rate, spreading factor, encryption keys, port,

and modes can be changed. All sensor settings can be locked from the server or

NFC to make end-users unable to read or change settings on the sensor.

NFC Configuration

1. Download ELSYS “Sensor Settings”application from Google Play or App

Store (from iOS 13) and install it on a smartphone or tablet. The device

must support NFC.

2. Enable NFC on the device and start the application.

3. Place your device on top of the NFC antenna on the sensor.

4. Remove the device. Current settings will be displayed in the application.

5. Use the application to change any settings if needed.

6. Quickly tap the device on top of the NFC antenna to give the new settings

to the sensor. Make sure that the application confirms your new settings.

7. Wait for the sensor to reboot (5 sec), indicated by the LED flashing. Sensor

settings have been updated.

See the section “Help”in the application for more information.

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Over the air configuration

All settings may be configured over the air via your LoRaWAN® infrastructure.

Please visit the support section on our webpage for more information regarding

downlink protocol.

Application parameters

All parameters for the “Sensor settings” application can be found in our settings

document. Please visit the support section on our webpage for more information.

Sensor behavior

NFC Read / Write

1. When reading or writing NFC

configuration data to the sensor, it starts

a timer and delays its action 5 seconds.

2. After the delay, the sensor determines if

the NFC data has changed or not. If the

data has changed, the sensor reboots

and starts from power-up.

3. Write your settings in the application

and then locate the NFC antenna of the

phone and sensor. Keep the two

devices close and don’t move them to

get the best connectivity as possible

when writing or reading data to the

sensor. Bad connection can be caused

by long distance, wrong location, or

rapid movement.

4. When you have written data to the sensor, let the sensor reboot and restart

before trying to write again.

You should always validate your settings by reading the NFC data after the

sensor has restarted.

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden

E-mail: suppo[email protected] ǀWeb: www.elsys.se

Sensor startup

1. When the sensor starts up, it loads

configuration from the internal memory and

merges it with user configuration.

2. When the configuration is done, the sensor

writes the new configuration to the NFC chip.

The sensor always writes new configurations

to the NFC chip when something changes in

the sensor or if NFC data is corrupted by an

NFC writer or phone. The sensor always writes

the new configuration to NFC chip at startup.

3. When the configuration is done, the sensor

tries to join the network if OTAA (Over the Air

Activation) is enabled.

4. The sensor LED flashes orange when it tries to

join a network. It will try to join every 10

seconds initially. This interval will increase to

save battery, at most up to one time per hour.

5. After successful connection to a network, the

sensor sends a settings packet and enters

sampling mode.

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