Vega Absolute NB-14 Manuel utilisateur

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

Vega NB-14 / User Manual

Revision 04 of 24 January 2022

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.

Vega NB-14 / User Manual

4 Revision 04 of 24 January 2022

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.

Vega NB-14 / User Manual

Revision 04 of 24 January 2022

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.

Vega NB-14 / User Manual

6 Revision 04 of 24 January 2022

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

Vega NB-14 / User Manual

Revision 04 of 24 January 2022

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.

Vega NB-14 / User Manual

8 Revision 04 of 24 January 2022

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

2 3

Internal structure of cable gland

Vega NB-14 / User Manual

Revision 04 of 24 January 2022

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

Vega NB-14 / User Manual

10 Revision 04 of 24 January 2022

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

ALARM1

Security input 1

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

RB_INPUT2

Input 2 of channel B

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

Table des matières

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