Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: www.elsys.se
Specifications in this document are subject to change without notice.
©Elektroniksystem i Umeå AB 2019
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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,
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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
6
Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: 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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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: www.elsys.se
Sampling mode / Periodic
measurement
The sensor makes periodic
measurements according to the user
configurations.
Motion detection range
Actual range of the sensor can be influenced by
environmental conditions. Avoid installing the
sensor in areas where it will face direct or reflected
sunlight. Avoid installing near windows, air
conditioning, or heating vents. Such placements will
give false values.
Note: The PIR Lens has a blanking time of 20
seconds right after motion event and transmission.
Any movements during this time will be ignored
.
PIR Lens detection pattern
12
Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: www.elsys.se
Specifications
Sensor payload format
The device uses the standard ELSYS payload format. Please see the specified
document on our webpage.
Power supply:
3.6V DC
Battery type:
AA 14505 (Li-SOCI2)
EU directives compliance:
RoHS 2011/65/EU
WEEE 2012/19/EU
Radio protocol:
LoRaWAN®
Radio frequency band:
US902-928, EU863-870, AS923, AU915928, KR920-923, RU864, IN865 & HK923
Range:
8 km*
Recommended installation height:
1.6 m
Operating conditions
0 to 40 °C
0 to 85 % RH (non-condensing)
Sound range, mean value
35 – 70 dBspl
Sound range, peak value
65 – 99 dBspl
Sound resolution
1 dB
Temperature range
0 – 40 °C
Temperature resolution
0.1 °C
Temperature accuracy
± 0.2 °C
Humidity range
0 – 100 %
Humidity resolution
0.1 % RH
Humidity accuracy
± 2 % RH
Light range
4 – 2000 Lux
Light resolution
1 Lux
Light accuracy
± 10 Lux
Dimensions
86 x 86 x 28 mm
Battery life
Up to 2 years**
*Measured with settings: SF10, 868 Mhz. The range can be greater or less, depending on terrain and building
structure.
**Depending on settings and environmental factors.
13
Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: www.elsys.se
Regulations
Legal Notices
All information, including, but not limited to, information regarding the features,
functionality, and/or other product specification, are subject to change without
notice. ELSYS reserves all rights to revise or update its products, software, or
documentation without any obligation to notify any individual or entity. ELSYS
and ELSYS logo are trademarks of Elektroniksystem i Umeå AB. All other brands
and product names referred to herein are trademarks of their respective holders.
Federal Communication Commission Interference Statement
This equipment has been tested and found to comply with the limits for a Class
B digital device, according to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If
this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to
which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Non-modifications Statement
Any changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate this equipment.
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Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden
E-mail: support@elsys.se ǀ Web: www.elsys.se
Caution
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired
operation.
This device and its antenna(s) must not be co-located or operating in
conjunction with any other antenna or transmitter except in accordance with FCC
multi-transmitter product procedures.
Industry Canada Statement
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions:
(1) this device may not cause interference, and
(2) this device must accept any interference, including interference that may
cause undesired operation of the device.
Declaration of conformity
Hereby, Elektroniksystem i Umeå AB declares that ERS CO2 complies with the
essential requirements and other relevant provisions of Directive 1999/5/EC.
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