Vega Absolute NB-14 Manual de usuario
www.vega-absolute.ru
NB-IOT MODEM WITH RESISTANCE CONTROL
VEGA NB-14
USER MANUAL
DOCUMENT REVISION
FIRMWARE VERSION
04 0.7
Vega NB-14 / User Manual
2 Revision 04 of 24 January 2022
CONTENTS
INTRODUCTION......................................................................................................................................................................... 3
1 DEVICE PURPOSE AND OPERATION PRINCIPAL.............................................................................................................. 4
Device Purpose ....................................................................................................................................................................... 4
Operation Algorithm.............................................................................................................................................................. 4
Functional ................................................................................................................................................................................ 5
Marking ..................................................................................................................................................................................... 5
2 SPECIFICATION ....................................................................................................................................................................... 6
Device Specification .............................................................................................................................................................. 6
Default Device Settings ......................................................................................................................................................... 7
3 OPERATION.............................................................................................................................................................................. 8
Device Appearance ................................................................................................................................................................ 8
Contacts ................................................................................................................................................................................. 10
Hall Sensor ............................................................................................................................................................................. 12
Buttons ................................................................................................................................................................................... 13
Indication ............................................................................................................................................................................... 14
Mounting Recomendations................................................................................................................................................ 15
4 COMMUNICATION PROTOCOL ........................................................................................................................................ 17
5 STORAGE AND TRANSPORTATION REQUIREMENTS ................................................................................................... 19
6 CONTENT OF THE PACKAGE ............................................................................................................................................. 20
7 WARRANTY ............................................................................................................................................................................. 21
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INTRODUCTION
This manual is designated for Vega NB-14 modem resistance control (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.
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 DEVICE PURPOSE AND OPERATION PRINCIPAL
DEVICE PURPOSE
Vega NB-14 modem is designed for monitor of insulation state of the warm network
pipelines and for control of integrity of pipelines signal wires, further accumulating and
transmitting of this information in NB-IoT network.
Modem allows to detect the following defects:
wet insulation;
the breakage of the signal wires;
closing of the signal wire to the pipe (detected like ‘wet insulation’ defect).
Modem does not detect a reason and a place of defect appearing
In addition, Vega NB-14 can be used as a security device – two additional inputs operate
in security mode, there is also Hall sensor.
The modem can be used on pipelines with polyurethane foam heat insulation and/or
collect data from 1-Wire interface connected temperature sensors etc.
The modem is may powered by one or two batteries with capacity 6400 mAh.
OPERATION ALGORITHM
The readings collecting from the meter with a configurable period 5, 15, 30 minutes, 1,
6, 12 or 24 hours. The readings stored in the device memory and transmitting during the next
communication session with the NB-IoT network.
The adjustable data transfer period can be equal to 5, 15, 30 minutes, 1, 6, 12 and 24
hours. Data transferring in random point in time during set period. At the next communication
session, the device starts sending accumulated packets with readings, from the earliest to the
latest.
The device operates with confirmation all the time and send the next packet only after
receiving a confirmation of the delivery of the previous one. If such confirmation was not
received, NB-14 completes the communication session until the next one according to the
schedule. Herewith, 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.
The internal clock is set automatically when device connected to the "Vega NB-IoT
Configurator" via USB.
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FUNCTIONAL
Vega NB-14 modem has the following features:
Resistance measurement from 0 to 1 MOhm on the two inputs (insulation wetting
control)
Resistance value control on the two inputs - there more or less than 200 Ohm
(signal wire breakage control)
Two inputs operating in the «security» mode for connecting the external leakage
and safety sensors, etc.
Interface 1-Wire for connecting temperature sensors (up to 10 pc)
Queue of sending when delivery is not possible
Time referencing of readings by internal clock (UTC)
Extra communication when resistance is out of specified thresholds (signal wire
breakage, wet insulation)
Communication in case of security inputs or Hall sensor actuation
Measurement of temperature inside housing
Charge measuring of the battery (%)
MARKING
Device marked with sticker that contain the next information:
Device model;
IMEI;
Month and year of manufacture;
QR-code containing IMEI for automatized count.
Sticker located in three places – on device case, in factory certificate and on the packing
box.
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2 SPECIFICATION
DEVICE SPECIFICATION
MAIN
Monitoring of signal wire integrity and wet
insulation
2 channels
Interfaces 1-Wire
Security inputs 2
USB-port micro-USB, type B
Operating temperatures -40…+85 °С
Built-in temperature sensor yes
Hall sensor yes
Quantity of black box records up to 100 000
CELLULAR COMMUNICATIONS
Supported Cellular Standards
LTE Cat NB1
Data transfer protocol MQTT
Battery Life
2 years if the data transferring once a day
LTE NB-IoT antenna type
external
POWER
Built-in battery 6400 mAh (one or two, depending on
delivery conditions)
CASE
Housing dimensions 95 х 95 х 50 mm
Ingress protection rating IP67
PACKAGE
Dimensions, mm 165 х 118 х 57
Weight, kg 0,350
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DEFAULT DEVICE SETTINGS
PARAMETER
VALUE
Confirmed Uplinks OFF
Communication period 24 hours
Data collection period 24 hours
Time zone UTC +00:00
Guard inputs operate on short
Hall sensor ON
Send network statistics OFF
For changing the device settings, you need to connect to it with “Vega NB-IoT
Configurator” application. You can download app on the iotvega.com site in SOFT section as
well as User Manual for configurator. Go to the app page.
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3 OPERATION
DEVICE APPEARANCE
Vega NB-14 is represented in gray plastic case which has six screws and mounting for
DIN-rail. The device case is equipped with a hermetic gland of M12 size. A sealant is installed
inside the gland, ensuring compliance with the declared Ingress Protection rating of the device
case.
2 – cable gland of M12 size for installing the cables and wires with circular cross-section
with a diameter of 5...6 mm
3 – input of external antenna
1
2 3
Internal structure of cable gland
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All of elements for manage and indication as well as connecting contacts are placed on
the board inside the case.
4 – input for connecting an external antenna
5 – contacts
6 – USB-port
7 – manage buttons
8 – LED indicators
9 – SIM holder
10 – input for connecting a battery
9
4
5
6
7
8
10
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CONTACTS
When connecting a radio modem to external devices, consider the internal circuitry of
its digital inputs ALARM1 and ALARM2 shown below.
Contact PCB designation Description
1 GND Ground
2
ALARM1
Security input 1
3
GND
Ground
4 ALARM2 Security input 2
5 GND Ground
6 ONE_WIRE 1-Wire
7 RA_INPUT2 Input 2 of channel A
8 RA_INPUT1 Input 1 of channel A
9
RB_INPUT2
Input 2 of channel B
10
RB_INPUT1
Input 1 of channel B
11 GND Ground
12 GND Ground
There are two digital security inputs on the boars which allows to connect circuits with
the following types of NO contacts:
reed switch;
Circuit design of the digital inputs
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