Vega Absolute SH-02 User manual

www.vega-absolute.ru
LORAWAN NB-IOT
MODEM
VEGA SH-02
User manual

Vega SH-2 / User Manual
2 Revision 06 – 06 July 2020
Document Information
Title LoRaWAN NB-IoT modem Vega SH-02
Document type Manual – Translation from Russian
Document number V02-SH2-01
Revision and date 06 - 06 July 2020
This document applies to the following products:
Product line
Product name
End devices Vega SH-02
Revision History
Revision Date Name Comments
01 25.03.2019 KEV Document creation date
02 05.04.2019 KEV Case dimensions are changed
03 15.07.2019 KEV Minor changes
04 09.10.2019 KEV Description of data collection and transmission settings
through the LoRaWAN was supplemented
05 22.10.2019 KEV Device operates only as LoRaWAN class A device,
communication protocol changed
06 06.07.2020 KEV Scheduled revision of the document, minor changes

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CONTENTS
INTRODUCTION............................................................................................................................................................................4
1 DESCRIPTION AND OPERATION ............................................................................................................................................5
Device description ....................................................................................................................................................................5
2 SPECIFICATION ..........................................................................................................................................................................6
3 OPERATION.................................................................................................................................................................................7
Contacts ......................................................................................................................................................................................7
Indication ....................................................................................................................................................................................9
Initial Startup ............................................................................................................................................................................11
LoRaWAN technology operation .........................................................................................................................................11
NB-IoT technology operation ..............................................................................................................................................12
Connecting via USB ................................................................................................................................................................13
4 VEGA LORAWAN CONFIGURATOR......................................................................................................................................14
Interface of the application ...................................................................................................................................................14
Connection to the device ......................................................................................................................................................15
“Device info” tab ......................................................................................................................................................................17
“LoRaWAN settings” tab .........................................................................................................................................................19
“Vega SH-02” tab.....................................................................................................................................................................23
5 COMMUNICATION PROTOCOL ...........................................................................................................................................26
Vega SH-02 modem transmits the following types of packets .....................................................................................26
VEGA SH-02 modem receives packets of the following types ......................................................................................26
Message format for MQTT broker sending ........................................................................................................................26
6 STORAGE AND TRANSPORTATION REQUIREMENTS ......................................................................................................30
7 CONTENT OF THE PACKAGE ................................................................................................................................................31
8 WARRANTY................................................................................................................................................................................32

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INTRODUCTION
This manual is designated for Vega SH-02 modem (hereinafter – the modem)
manufactured by Vega-Absolute OOO and provides information on powering and activation
procedure, control commands and functions of the modem.
This manual is targeted at specialists familiar with installation work fundamentals of
electronic and electrical equipment.
To provide the stable radio between the gateway and the end device it is
recommend avoiding the device installation in the places which are
barriers for the radio signal getting through like a reinforced floors and
walls, a basement, an underground facilities and wells, a metal case etc.
The necessary stage for the network deploying including a big quantity
of end devices is a radio planning work with nature experiments
Vega-Absolute OOO reserves the right to make changes to the manual related to the
improvement of equipment and software, as well as to eliminate typos and inaccuracies,
without prior notice.

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1 DESCRIPTION AND OPERATION
DEVICE DESCRIPTION
Vega SH-02 modem is designed for collection the data from external connected
devices, further accumulating and transmitting of this information in the LoRaWAN or LTE
NB-IoT network.
The modem collects the data from the external devices with configurable period of 5,
15, 30 minutes, 1, 6, 12 or 24 hours. Collected data is saved in modem memory as a packet
with specified time of collect and transmitted at the next communication session with
LoRaWAN network. Memory can hold up to 100 packets.
The modem has two digital inputs which may be configured as pulse or security.
Besides the device has two analog inputs, 1-Wire and RS-485 interfaces.
Communication period can be equal to 5, 15, 30 minutes, 1, 6, 12 and 24 hours. While
communication session the modem transmitting saved packets from the earliest to the latest.
The modem is powered by a one or two 6400 mAh built-in battery or an external
power supply 4.5…55 V.
The internal clock is set automatically when device connected to the "Vega LoRaWAN
Configurator" via USB, also adjustable via LoRaWAN.
The modem can transmit collected data via LoRaWAN or LTE NB-IoT technology (see
part 4).

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2 SPECIFICATION
Main
Digital inputs 2
Analog inputs 2
Interface 1-Wire / RS-485 (modbus)
USB-port micro-USB, type B
Operating temperatures -40…+85 °С
Communication channels LTE NB-IoT or LoRaWAN
Internal temperature sensor yes
Communication period 5, 15, 30 minutes, 1, 6, 12 or 24 hours
Data collection period 5, 15, 30 minutes, 1, 6, 12 or 24 hours
Memory amount for storing packets 100 packets
Cellular
Supported cellular standards LTE Cat NB1
Communication protocol MQTT
Battery life up 3 years with one battery and
communication period 24 hours
LTE NB-IoT antenna type
external
LoRaWAN
LoRaWAN class A
Quantity of LoRaWAN channels 16
Frequency plan RU868, EU868, IN865, AS923, AU915,
KR920, US915, KZ865, custom (EU868
based)
Activation type
ABP or OTAA
Type of the LoRaWAN antenna
external
Sensitivity -138 dBm
Radio coverage in restrained urban conditions
up to 5 km
Radio coverage within line of sight
up to 15 km
Transmitter power by default
25 mW (configurable)
Maximum transmitter power
100 mW
Battery life up
10 years with one battery and
communication period 24 hours
Power
Built-in battery 6400 /12800 mAh
External power supply 4.5…55 V
Case
Housing dimensions (without cable gland and SMA-
connector)
95 х 95 х 50 mm
Ingress protection rating
IP65

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3 OPERATION
CONTACTS
Description of contacts in the table below.
Contact
Name on the board
Description
1
COUNT1
Digital input 1
2
COUNT2 Digital input 2
3
GND
Ground
4
GND
Ground
5
ADC1 Analog input 1 (0…21 В)
6
ADC2
Analog input 2 (0…21 В)
7
RS485_A RS-485 Interface A
8
RS485_B
RS-485 Interface B
9
ONE_WIRE
1-Wire Interface
10
GND Ground
11
+V_EXT
External power +
12
GND External power -
Digital inputs COUNT1 and COUNT2 may operate in pulse or security mode. If the
input has not connected there is a logic ‘1’.

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In the pulse mode the modem counts the number of pulses at the input. Fixation is by
the impulse slump. In the security mode the modem monitors the input state change and
send an alarm message into the network by the one of events: security circuit close, unclose
or both of it. You can choose the event for security input triggering via the “Vega LoRaWAN
Configurator” application.
Analog inputs ADC1 and ADC2 may be used for measuring an external voltage from 0
to 21 V.
RS-485 (modbus) and 10Wire interfaces cannot connecting at the same time. Switching
between two interfaces carried out with jumpers on the XP4 and XP5 connectors on the
board.
1-Wire interface allows to connect is up to 10 external thermistors (see part 4).
Jumpers
disposition for
RS-485 interface
operating
Jumpers
disposition for
1-Wire interface
operating

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INDICATION
There is a red LED on the board. The indication is only used when the device is
activated in the LoRaWAN network, when data transmitting via NB-IoT technology and when
the operating modes are changed. Also, there is a green LED which used only for configuring
during manufacture.
LED signal
Meaning
Flash every 5 seconds Device not sleeping/USB connection
LoRaWAN technology
Series of short flashings Linking to the LoRaWAN network
One long flashing The device connected to the network
and is in active mode
Three long flashings Device switched to the «Storage» mode
Red LED on the
board

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NB-IoT technology
Two short flashings
every 2 seconds
Linking to the NB-IoT network
Three short flashings
every 2 seconds
The device connected to the network
and transmits the data on the server
Short flashings for 1.5
seconds
Successful data transmitting

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INITIAL STARTUP
The SH-02 modem can be powered from either an external power source or built-in
battery. To operate from the built-in battery, you must connect the battery connector to the
one of power connectors on the board which XP7 or XP6 marked. In case of operation with
two batteries you should use the both connectors.
The modem can operate through one of two technologies - LoRaWAN or LTE NB-IoT
what is choose via the “Vega LoRaWAN Configurator” application (see part 4).
LORAWAN TECHNOLOGY OPERATION
The modem supports two activation methods in the LoRaWAN network - ABP and
OTAA. Select one of the methods using “Vega LoRaWAN Configurator” application (See part
4).
1. ABP.After power supply connection, the device immediately begins to operate in
the "Active" mode.
2. OTAA.After pressing the start button, the device makes three attempts to connect to
the network within the set frequency plan. After the activation in the LoRaWAN network is
confirmed, the device sends a signal (LED flashing for 3 seconds) and switches to the "Active"
mode. If all attempts fail, the converter will continue to accumulate data and will attempt to
connect to the network every 24 hours.
Connectors for
batteries

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NB-IOT TECHNOLOGY OPERATION
Before starting it is necessary to configure data transmitting via “Vega LoRaWAN
Configurator” application (see part 4) and set SIM card in the slot on the board.
When some event occurs (schedule time, alarm etc.) the modem begins registration in
the network. After registration and data transmitting or if the data transmitting is unsuccessful
the modem switch to the lower power consumption mode until the next communication
session according to the schedule.
SIM card slot for
micro-SIM format

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CONNECTING VIA USB
The modem can be adjusted with the "Vega LoRaWAN Configurator" application (See
part 4). The modem must be connected to the computer via USB for that.
Before connecting the device to the computer for the first time, you must install the
driver for the COM port stsw-stm32102, which can be download from iotvega.com. After
running the executable file VCP_V1.4.0_Setup.exe, the installer window will appear:
In this window, you need to click Next, then Install, and then the installation will begin.
When the installation complete successfully, the following screen appears:
After pressing Finish the driver is ready for operation, - it is possible to connect the
modem via USB.

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4 VEGA LORAWAN CONFIGURATOR
The "Vega LoRaWAN Configurator" application (hereinafter referred to as the
configurator) is intended for setting up the device via USB.
For NB-IoT module testing you should to use an additional power – from
battery or an external, because USB power is not enough for NB-IoT module
operation
The configurator has two modes of operation - "Simple" and "Expert". In the "Simple"
mode, only basic settings are available. In the "Expert" mode, the basic settings, advanced
settings and the ability to check the coverage area of the signal from the gateways are
available. Next, the work of the application considering in the “Expert” mode.
INTERFACE OF THE APPLICATION
The "Vega LoRaWAN Configurator" application does not require the special installation.
When the executable file launching, the window for working with the application appears.

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The menu on the left allows you to switch between the “Simple” and “Expert” modes,
select the device model, connect to the device, or disconnect from it, get, and apply settings.
The application window contains three tabs – Device info, LoRaWAN settings and
device settings.
The language selection menu is in the upper right corner.
CONNECTION TO THE DEVICE
For the connection to the device, perform the following steps:
1. Connect the USB cable to the device.
2. Start the "Vega LoRaWAN Configurator" application.
3. Click the "Connect" button in the menu on the left.
The application automatically recognizes the type of device, and the device selection
menu becomes inactive.
To read the settings from the device, you need to click the "Get settings" button, until
this point the application will display the default settings or from the last connected device.

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After making the necessary changes to the settings, you should click the "Apply
settings" button and only then disconnect from the device with the "Disconnect" button.

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“DEVICE INFO” TAB
The "Device info" tab displays information about the device, its status, and also the data
needed to register the device in the LoRaWAN network.
ABP info - displays the data necessary to register the device in the LoRaWAN network
with ABP method (Activation By Personalization).
OTAA info - the data required to register the device in the LoRaWAN network with
OTAA method (Over The Air Activation) is displayed.
Key management (not displayed in the "Simple" mode) - allows you to change the
factory keys to register the device on the network and reset the keys back to the factory
settings.
Device info - the configurator reads information about the device model, its firmware
and automatically corrects the device's time when connected to it.
Update firmware - allows you to select the firmware file from your computer's hard
drive and load it into the device. The device will automatically disconnect from the
configurator when the download is complete. The current version of the device firmware can
be download from iotvega.com.

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Network info - shows the device status of connection to the LoRaWAN network and its
network address.
Join network button - launch the LoRaWAN network connection procedure with the
previously selected ABP or OTAA method. If the device is already connected to the network,
reconnection procedure will occur.
Link check (not displayed in the "Simple" mode) - when pressed, the device sends a
special signal to the LoRaWAN network, in response to which the network informs it of the
number of gateways that received this signal and the signal quality. This information may be
gotten only if the device is connected to the network.
Device output (not displayed in the "Simple" mode) - monitoring the device status, all
events in real time are displayed.

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“LORAWAN SETTINGS” TAB
The "LoRaWAN Settings" tab allows you to configure various parameters of the LoRa
network.
Region - allows you to select one of installed frequency plans or specify a custom
frequency plan. Custom frequency plan is EU-868 based.
The modem supports the next frequency plans:
Frequency plan
1
Channel
Frequency
Modulation
EU-868
1 868.1 MultiSF 125 kHz
2 868.3 MultiSF 125 kHz
3 868.5 MultiSF 125 kHz
RX2 869.525 SF12 125 kHz
RU-868
1 868.9 MultiSF 125 kHz
2 869.1 MultiSF 125 kHz
RX2 869.1 SF12 125 kHz
Custom Set up in application
In the device frequency plan, only those channels are active by default, on which
sending requests for connection to the network (join channels). The remaining channels (that
the device should use) can be transferring by the LoRaWAN network server during the device
activation procedure (only OTAA).
1By default, the device supports only two frequency plans and a custom, however it is able to order the firmware
for other frequency plans as: IN865, AS923, AU915, KR920, US915, KZ865

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If you select "Custom" in the "Region" field, you must manually specify the frequencies
that the device will use. To do this, click the "Edit" button, the channel frequency editing
window will appear:
This frequency plan allows you to set up to 16 channels, as well as the frequency and
speed of the second receiving window.
The first three channels and the second receiving window
parameters are mandatory. Without these parameters the custom
frequency plan will be considered empty
Activation type – displays ABP or OTAA device activation method.
Confirmed uplinks – when you choose "confirmed", the device will retry sending the
packet until it receives the server confirmation, or until the "Uplink number of transmission" is
over (see below).
If you choose to send a packet without confirmation, the modem will
not know whether the packet is delivered or not
ADR – this option activates the Adaptive Data Rate algorithm for automatic control of
the data transfer rate from the LoRaWAN network server side. The higher the quality of the
signal received by the network, the higher the speed will be installed on the device. This
option is recommended only on permanently installed devices.