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www.vega-absolute.ru
LORAWAN NB-IOT
MODEM
VEGA SH-2
User manual
Modem Vega SH-2 can work with both LoRaWAN™
technology and NB-IoT data transfer technology.
There are two options for the device:
- with 6400 mAh battery;
- with 12800 mAh battery.
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Document Information
Title
LoRaWAN NB-IoT modem Vega SH-2
Document type
Manual – Translation from Russian
Document number
V02-SH2-01
Revision and date
02 - 05 April 2019
This document applies to the following products:
Product name
Type number
End devices
Vega SH-2
Revision History
Revision
Date
Name
Comments
01
25.03.2019
KEV
Document creation date
02
05.04.2019
KEV
Case dimensions are changed
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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 ................................................................................................................................................................ 12
4 VEGA LORAWAN CONFIGURATOR ...................................................................................................................................... 15
Interface of the application ................................................................................................................................................... 15
Connection to the device ...................................................................................................................................................... 16
“Device info” tab ...................................................................................................................................................................... 17
“LoRaWAN settings” tab ......................................................................................................................................................... 19
“Vega SH-2” tab ....................................................................................................................................................................... 24
5 COMMUNICATION PROTOCOL ........................................................................................................................................... 27
Vega SH-2 modem transmits the following types of packets ........................................................................................ 27
VEGA SH-2 modem receives packets of the following types......................................................................................... 28
Message format for MQTT broker sending ........................................................................................................................ 29
6 STORAGE AND TRANSPORTATION REQUIREMENTS ...................................................................................................... 31
7 CONTENT OF THE PACKAGE ................................................................................................................................................ 32
8 WARRANTY ................................................................................................................................................................................ 33
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INTRODUCTION
This manual is designated for Vega SH-2 modem (hereinafter – the modem)
manufactured by Vega-Absolute LLC 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.
The modem shall be installed and adjusted by qualified specialists in
order to ensure proper operation of the device
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1 DESCRIPTION AND OPERATION
DEVICE DESCRIPTION
Vega SH-2 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 collect 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
C
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
up to 100 mW (configurable)
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 SMAconnector)
95 х 95 х 50 mm
Ingress protection rating
IP65
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3 OPERATION
CONTACTS
The modem has 6 pairs of contacts which described 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 connection there is a logic ‘1’.
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In the pulse mode the modem counts the number of negative pulses at the input. 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 specify
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
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 (coordinates determinated or
data transmitted)
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INITIAL STARTUP
The SH-2 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 to 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 data transmitting event occurs (schedule, 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.
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.
SIM card slot for
micro-SIM format
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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:
Micro-USB port on
the board
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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.
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.
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.
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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.
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 current 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 whether the device is connected 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 occurs.
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 button only works
when 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 plan1
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).
1
By 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
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signal received by the network, the higher the speed will be installed on the device. This
option is recommended only on permanently installed devices.
RX1 offset (not displayed in the "Simple" mode) – specifies the time between end of
packet transmission and first receiving window opening. The second receiving window
always opens after 1 second after the first.
Join accept delay 1 (not displayed in the "Simple" mode) – sets the time that the device
will open the first receiving window to receive confirmation for the join request from the
LoRaWAN network while OTAA mode active. The second window always opens after 1
second after the first.
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Uplink number of transmission (not displayed in the "Simple" mode) – if the
"Confirmed uplinks" function is disabled, the device will simply send each packet as many
times as specified in this option. If "Confirmed uplinks" is enabled, the device will send packets
until it receives a confirmation or until it sends as many packets as specified in this option.
TX power (not displayed in the "Simple" mode) – the device RF transmitter power is
adjusted to this value when sending packets to the LoRaWAN network. This option can be
changed by the network server.
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TX datarate (not displayed in the "Simple" mode) – the device transmission datarate at
which it will transfer packets to the LoRaWAN network. This speed can be changed by the
network server if the ADR algorithm is enabled.
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“VEGA SH-2” TAB
The “Vega SH-2” tab contains the settings of the connected device.
Current state – displays the current parameters of the device - the number of counted
pulses at the inputs, LTE-modem state and signal quality, the battery level and the state of
analog inputs.
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LTE-modem signal quality is from 0 to 31 when there is a connection, but 99 value
means that there is no connection. See details in the table below.
Value displayed in application
Signal quality, dBm
0
-113 and lower
1
-111
2…30
-109…-53
31
-51 and more
99
No connection
100
-116 and lower
101
-115
102…190
-114…-26
191
-25 and more
199
No connection
“Force compose packet” button – by pressing the button the device collects readings
from all interfaces, forms the packet and put it in the black box.
One Wire – the settings of connection any external temperature sensors and its
readings. For adding a temperature sensor, you should to switch the auto adding mode on.
Every sensor will get a number in order it was connecting. After switching the auto adding
mode on, the device search for some new sensors on the bus. If there is a sensor then the
device adds it in memory and switch the auto adding mode off. To add the next sensor, you
should to switch the auto adding mode on again. All sensor removed from the device
memory by pressing the button “Delete all sensors”.
Interface settings – allows setting up the type of every input – it may be pulse or
security mode.
Guard settings – allows setting up the work of security inputs, namely, what kind of
security circuit state is reason to send an alarm message: short, open, or both.
Connection settings – a group of parameters that allows you to configure the collection
and transmission periods, and the time zone for the internal clock and choose the technology
of data transmitting and LTE-modem mode.
Wireless technology to use – LTE or LoRaWAN technology of data transmitting.
MQTT over LTE settings – setting for connection through LTE-modem.
“Force MQTT connection” button – by pressing the button the device initiate
extraordinary communication session through MQTT broker.
Modbus – the part contents settings for data reading via MODBUS protocol from the
external device connected to SH-2 through RS-485 interface.
The readings are read from the connected device at 00.00 on the internal clock of the
device if the data collection period is set to 24 hours, at 00.00 and at 12.00, if the period is 12
hours and so on. All readings are stored in the device memory until the next communication
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session. The data transfer period can be adjusted from 5 minutes to 24 hours. At the next
communication session, the device starts sending accumulated packets with readings, from
the earliest to the latest.
While LoRaWAN technology used it necessary to consider the setting of the uplinks’
confirmation. With the "Confirmed uplinks" option turned on, the device will send the next
packet only after receiving a confirmation of the delivery of the previous one. If such
confirmation has not been received after the fulfilled in the settings uplink number, device
completes the communication session until the next one according to the schedule. In this
case, the device continues to collect data according to the data collection period and store it
in memory. Non-transmitted packets remain in the device memory until the next
communication session.
With the "Confirmed uplinks" option turned off, the device just sends all accumulated
packets to the network in order from the earliest to the latest. There are no checks of package
delivery in this mode. There are no non-transmitted messages in the device memory.
While LTE NB-IoT technology used the device send all packets with
confirmation by default and it does not customized. Uplink number is 5.
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5 COMMUNICATION PROTOCOL
This part describes the SH-2 data exchange protocol with LoRaWAN and NB-IoT
network.
In fields consisting of several bytes, the little endian byte order is used
VEGA SH-2 MODEM TRANSMITS THE FOLLOWING TYPES OF PACKETS
1. Packet with current readings, sent regularly on LoRaWAN port 2
Size in bytes
Field description
1 byte
Packet type, this packet == 1
1 byte
Reason for packet was formed:
1 – by the schedule
2 – alarm on input 1
3 – alarm on input 2
4 – pressing the button in application
1 byte
Battery charge, %
4 bytes
Reading time for values in this packet (unixtime UTC)
1 byte
Temperature, °С
20 bytes
External temperature sensors’ readings, °С
4 bytes
Pulse number on the input 1
4 bytes
Pulse number on the input 2
2 bytes
Voltage value on the analog input 1, mV
2 bytes
Voltage value on the analog input 2, mV
The modem has internal clock and calendar; time and date is factory set. When sending
a packet with the current readings, the device uses the data taken at the nearest time, which is
multiple to the interval, set by the switches:
• 1 hour period: the readings of the beginning of the current hour are sent;
• 6 hours period: 00:00, 06:00, 12:00, 18:00 readings are sent;
• 12 hours period: 00:00, 12:00 readings are sent;
• 24 hours period: the readings of 00:00 of the current day are sent.
Time zone considered during collection data from an external meter.
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2. Packet with time correction request, sent every seven days on LoRaWAN port 4
Size in bytes
Field description
1 byte
Packet type, this packet == 255
4 bytes
Time of the modem at the moment of the packet transmission
(unixtime UTC)
After receiving this type of package, the application can send to modem the packet with
time correction.
VEGA SH-2 MODEM RECEIVES PACKETS OF THE FOLLOWING TYPES
1. Real-time clock adjustment – send by application on LoRaWAN port 4
Size in bytes
Field description
1 byte
Packet type, this packet == 255
8 bytes
The value in seconds for which you need to adjust the time.
Can be positive or negative
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MESSAGE FORMAT FOR MQTT BROKER SENDING
If the LTE technology used for data transmitting, then the data transmits via MQTT
protocol. You should to specify in the device settings the address and port of the server
where the data will be sent. Those settings specified in application. It must be MQTT broker as
a server (received side). You should to specify in the device settings the address and port of
the broker. Also, you should to specify a topic name where the data published and a client
name – the name which the device use for publishing. All those settings specified in “Vega
LoRaWAN Configurator” in part “MQTT over LTE settings”. For watching the data sending by
the device you should to deploy MQTT broker on a PC and subscribe some application on
MQTT broker.
Vega SH-2 sends the message on the server as a text of JSON format. See example
below.
{
"Message":{
"firmware":"SH-2 v0.1.4",
"num":1,
"date":"1.3.19",
"time":"8:43:27"
},
"LBS":{
"TAC":"9C8D",
"CID":"0856831D",
"ACT":"9",
"MCC":"250",
"MNC":"99",
"SQ":"21"
},
"CellStatus":{
"EARFCN":1240,
"PCID":354,
"RSRP":-775,
"RSRQ":-108,
"RSSI":-716,
"SNR":247
},
"Telemetry":{
"reason":"time",
"date":"1.1.17",
"time":"0:0:5",
"bat":99,
"pulse1":0,
"pulse2":0,
"ADC1":8,
"ADC2":8,
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"temp":28,
"onewire":[28.2, 27.9, 28.3, 0, 0, 0, 0, 0, 0, 0],
}
}
Transcription of the message fields:
Message – part with information about current message.
firmware – name and version of the device firmware
num – number of the message sent by the SH-2 device
date – date of the message sending
time – time of the message sending
LBS – part with information about the gateway parameters which resend that packet
TAC, CID, MCC, MNC – gateway identifications
ACT– technology (9 – LTE Cat.NB1)
SQ – gateway signal quality
CellStatus – part with information about the cellular state
EARFCN – the number of radio frequency channel (absolute)
PCID – physical network address
RSRP – input signal power
RSRQ – input signal quality
RSSI – indicator of the input signal power
SNR – signal to noise ratio
Telemetry – part with collected data (one packet)
reason – transmitting reason
date – date of the data collection
time – time of the data collection
bat – battery charge
pulse1 – pulse number on the input 1
pulse2 – pulse number on the input 2
ADC1 – voltage value on the analog input 1
ADC2 – voltage value on the analog input 2
temp – temperature of the processor
onewire – external temperature sensors’ readings
modbus2 – data from the RS-485 interface from an external MODBUS device (10
values of 16-bit register)
2
If the MODBUS mode on, then that data will transmit instead of onewire data and vice versa
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6 STORAGE AND TRANSPORTATION REQUIREMENTS
Vega SH-2 modem shall be stored in the original packaging in heated room at
temperatures +5°С to +40°С and relative humidity less than 85%.
The modem shall be transported in covered freight compartments of all types at any
distance at temperatures -40°C to +85°C.
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7 CONTENT OF THE PACKAGE
The modem is delivered complete with:
Vega SH-2 modem – 1 pc.
Antenna – 2 pcs.
6400 mAh battery – 1 or 2 pcs. 3
Factory certificate – 1 pc.
3
The number of delivered batteries depends on the order conditions
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8 WARRANTY
The warranty period for the device is 5 years from the date of sale.
The manufacturer is obligated to provide repair services or replace the failed device
during the entire warranty period.
The consumer is obliged to comply with the conditions and rules of transportation,
storage and operation specified in this user manual.
Warranty does not apply to:
- power supplies of devices;
- the device with mechanical, electrical and / or other damages and defects caused by
violation of the transportation, storage and operation requirements;
- the device with traces of repair performed not by the manufacturer's service center;
- the device with traces of oxidation or other signs of liquids leaking inside the device.
In the event of a warranty claim, contact the service center:
113/1, Kirova Str., Novosibirsk, 630008, Russia.
Tel.: +7 (383) 206-41-35.
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Vega SH-2 / User Manual
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Revision 02 – 05 April 2019
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User Manual © Vega-Absolute LLC 2018
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