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ELSYS.se LoRaWAN ERS Desk Operating Manual Download Page 4

 

4 

Elektroniksystem i Umeå AB Industrivägen 12, 90130 Umeå, Sweden 
E-mail: 

[email protected]

 

ǀ

 Web: 

www.elsys.se

 

Description

 

This is an advanced indoor environment sensor for LoRaWAN® wireless 
network. ERS Desk is a sensor for measuring desk occupancy and is designed to 
be mounted under a desk or table. It also has internal sensors for measuring 
indoor temperature, humidity, light intensity, and motion. 

ERS Desk is a battery-

powered device. The motion sensor can be used for presence monitoring 
systems. ERS Desk is e

quipped 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, 

 

 

Summary of Contents for LoRaWAN ERS Desk

Page 1: ...ektroniksystem 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 2020 ...

Page 2: ...attery 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 equipment Never leave a discharged battery in the battery compartment The device must never be subjected to shocks or impacts To clean the device wipe with a soft moistened cloth Use another soft dry cloth to wipe dry Do not use any detergent or alcohol to clean t...

Page 3: ...iguration 9 NFC Configuration 9 Over the air configuration 10 Application parameters 10 Sensor behavior 10 NFC Read Write 10 Sensor startup 11 Sampling mode Periodic measurement 12 Schedule Transmission 12 Motion detection range 13 PIR Lens detection pattern 13 Desk occupancy 14 Specifications 16 Sensor payload format 16 Regulations 17 Legal Notices 17 Federal Communication Commission Interference...

Page 4: ... and is designed to be mounted under a desk or table It also has internal sensors for measuring indoor temperature humidity light intensity and motion ERS Desk is a battery powered device The motion sensor can be used for presence monitoring systems ERS Desk is equipped with NFC Near Field Communication and can easily be configured from a smartphone The barcode contains DevEUI and sensor type This...

Page 5: ...ancy even if people are sitting standing still Measures ambient temperature Measures ambient humidity Measures light intensity Easy installation Easy configuration May be installed under a desk or any surface Battery powered Long range communication Configurable over NFC Configurable over the air Ten years of battery life Supported channel plans US902 928 EU863 870 AS923 AU915 928 KR920 923 RU864 ...

Page 6: ...en installing place the device far enough from the edge of the table to make sure it is not possible to reach by the user Mounting close to the edge may result in damage to the device See pictures for an example The blue and red areas are the ranges of the two different occupancy sensors make sure that the thermopile sensor is facing the front as shown 1 Remove the back panel of the sensor with a ...

Page 7: ...ommended 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 3 Mount the back panel securely to the wall with at least 2 appropriate screws using some of t...

Page 8: ... Umeå AB Industrivägen 12 90130 Umeå Sweden E mail support elsys se ǀ Web www elsys se Service and maintenance No serviceable parts inside If service is needed other than battery replacement please contact your distributor ...

Page 9: ...r NFC Configuration 1 Download ELSYS Sensor Settings application from Google Play 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 Quick...

Page 10: ...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 it 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 connecti...

Page 11: ... 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 ...

Page 12: ...sensor makes periodic measurements according to the user configurations Schedule Transmission The sensor transmits the data according to the user configurations Note The configured sending interval can be overridden by network limitations Due to this the spreading factor and sending interval settings might result in longer intervals than intended ...

Page 13: ...re it will face direct or reflected sunlight Avoid installing near windows air conditioning or heating vents Such placements will give false values The PIR can cause self trigger if sensors are placed too close to each other Keep this in mind when you mount or test the sensors Note The PIR Lens has a blanking time of 20 seconds right after motion event and transmission Any movements during this ti...

Page 14: ...ccupancy is set to 0 The occupancy is set to 1 if the temperature difference is higher than the threshold When occupancy is set to 1 a new temperature measurement will happen every 60 seconds If temperature difference still is above the threshold occupancy is set to 2 The occupancy value will be 2 as long as the temperature difference is above the threshold If the temperature difference is below t...

Page 15: ...15 Elektroniksystem i Umeå AB Industrivägen 12 90130 Umeå Sweden E mail support elsys se ǀ Web www elsys se ...

Page 16: ...864 IN865 HK923 Range 8 km Operating conditions 0 to 50 C 0 to 85 RH non condensing Detection range Body heat detector 0 5 m Detection range Motion detector 5 m Infrared accuracy 0 5 C Detection field of view 90 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 resolut...

Page 17: ...ctive holders Federal Communication Commission Interference Statement NOTICE This device complies with Part 15 of the FCC Rules and with Industry Canada licence exempt RSS standard s 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 L...

Page 18: ...tions 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 or more of the following measures Reori...

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