Netvox R718J Manuale utente

Model：R718J

Wireless Dry Contact Interface

R718J

User Manual

Table of Content

1. Introduction.................................................................................................................2

2.Appearance..................................................................................................................2

3. Product Property.........................................................................................................3

4. Set up Instruction........................................................................................................4

5. Data Report.................................................................................................................5

6. Installation ..................................................................................................................9

7. Important Maintenance Instruction ..........................................................................11

1. Introduction

R718J is a ClassA type external dry contact device based on LoRaWAN open protocol of Netvox. It

can externally connect various switches, buttons, relays and reed switch output. It can detect the

closing or disconnecting signal of dry contact and is compatible with LoRaWAN protocol.

LoRa wireless technology:

LoRa is a wireless communication technology dedicated to long-distance low-power consumption.

Its spread-spectrum modulation method greatly increases the communication distance compared

with other communication methods, and can be widely used in long-distance low-rate IoT wireless

communication fields in various occasions. Such as automatic meter reading, building automation

equipment, wireless security systems, industrial monitoring and control. It has the characteristics of

small size, low power consumption, long transmission distance and strong anti-interference ability.

LoRaWAN:

LoRaWAN defines an end-to-end standard specification using LoRa technology to ensure

interoperability between devices and gateways from different vendors.

2. Appearance

3. Product Property

Apply SX1276 wireless communication module

2 ER14505 lithium batteries (3.6V / section) parallel power supply

Dry contact detection

The base is attached with a magnet that can be attached to a ferromagnetic material object

Protection class IP65/IP67 (Optional)

Compatible with LoRaWANTM Class A

Frequency hopping spread spectrum

Configuration parameters can be configured via a third-party software platform, data can be read

and alerts can be set via SMS text and email (optional)

Applicable to third-party platforms: Actility/ThingPark, TTN, MyDevices/Cayenne

Low power consumption and long battery life

4.Set up Instruction

On/Off

Power on Insert batteries. (users may need a screwdriver to open)

Turn on Press and hold the function key for 3 seconds till the green indicator flashe

s once.

Turn off

(Restore to factory setting)

Press and hold the function key for 5 seconds till green indicator flashes for 20

times.

Power off Remove Batteries.

Note:

1. Remove and insert the battery; the device is at off state by default.

2. On/off interval is suggested to be about 10 seconds to avoid the interference of

capacitor inductance and other energy storage components.

3. Five seconds after power on, the device will be in engineering test mode.

Network Joining

Never joined the network

Turn on the device to search the network.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

Had joined the network

Turn on the device to search the previous network.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

Function Key

Press and hold for 5 seconds

Restore to factory setting / Turn off

The green indicator flashes for 20 times: success

The green indicator remains off: fail

Press once The device is in the network: green indicator flashes once and sends a report

The device is not in the network: green indicator remains off

Sleeping Mode

The device is on and in the

network

Sleeping period: Min Interval.

When the reportchange exceeds setting value or the state changes: send a data

report according to Min Interval.

Low Voltage Warning

Low Voltage 3.2V

5.Data Report

Data report configuration and sending period are as following:

Min. Interval

(Unit:second) Max. Interval

(Unit:second) Reportable

Change Current Change≥

Reportable Change Current Change＜

Reportable Change

Any number

between 1~65535 Any number

between 1~65535 Can not be 0. Report

per Min. Interval Report

per Max. Interval

When the device is turned on, it will immediately send a version package.

Data will be reported once per hour by default setting.

Maximum time: 3600s

Minimum time: 3600s (Detect the current voltage value every 3600s by default setting)

Default reportchange:

Battery ---- 0x01 (0.1V)

Dry contact detection trigger:

When the dry contact is connected, the data status bit is “1”.

When the dry contact is disconnected, the data status bit is “0”.

Note:

The device send data cycle depends on real burning configuration.

The interval between two reports must be the minimum interval.

Example of ConfigureCmd

FPort：0x07

Bytes 1 1 Var(Fix =9 Bytes)

CmdID DeviceType NetvoxPayLoadData

CmdID– 1 bytes

DeviceType– 1 byte – Device Type of Device

NetvoxPayLoadData– var bytes (Max=9bytes)

Description Device

Cmd

Device

Type NetvoxPayLoadData

ConfigReport

Req

R718J

0x01

0x21

MinTime

(2bytes Unit:s) MaxTime

(2bytes Unit:s) BatteryChange

(1byte Unit:0.1v)

Reserved

(4Bytes,Fixed

0x00)

ConfigReport

Rsp 0x81

Status

(0x00_success)

Reserved

(8Bytes,Fixed 0x00)

ReadConfigRe

portReq 0x02 Reserved

(9Bytes,Fixed 0x00)

ReadConfigRe

portRsp 0x82 MinTime

(2bytes Unit:s) MaxTime

(2bytes Unit:s) BatteryChange

(1byte Unit:0.1v)

Reserved

(4Bytes,Fixed

0x00)

(1) Configure device parameters MinTime = 1min, MaxTime = 1min, BatteryChange = 0.1v

Downlink: 0121003C003C0100000000 003C(Hex) = 60(Dec)

Device returns:

8121000000000000000000 (configuration is successful)

8121010000000000000000 (configuration failed)

(2) Read device parameters

Downlink: 0221000000000000000000

Device returns:

8221003C003C0100000000 (current device parameters)

Example for MinTime/MaxTime logic:

Example#1 based on MinTime = 1 Hour, MaxTime= 1 Hour, Reportable Change i.e.

BatteryVoltageChange=0.1V

MaxTime MaxTime

Sleeping(MinTime) Sleeping(MinTime)

Note:

MaxTime=MinTime. Data will only be report according to MaxTime (MinTime) duration

regardless BtteryVoltageChange value.

Example#2 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e.

BatteryVoltageChange= 0.1V.

MaxTime

Sleeping(MinTime) sleeping sleeping sleeping

0H 15th M 30th M 45th M 1H 2H

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

REPORT 3.6V

Wake up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and collects data

REPORTS 3.6V

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

REPORT 3.6V

Example#3 based on MinTime = 15 Minutes, MaxTime= 1 Hour, Reportable Change i.e.

BatteryVoltageChange= 0.1V.

MaxTime

sleeping sleeping

0H 15th M 30th M 45th M 1H 1H 10th M 1H 25th M

Notes:

(1) The device only wakes up and performs data sampling according to MinTime Interval.

When it is sleeping, it does not collect data.

(2) The data collected is compared with the last data reported. If the data change value is greater

than the ReportableChange value, the device reports according to MinTime interval.

If the data variation is not greater than the last data reported, the device reports according to

MaxTime interval.

(3) We do not recommend to set the MinTime Interval value too low. If the MinTime Interval is

too low, the device wakes up frequently and the battery will be drained soon.

(4) Whenever the device sends a report, no matter resulting from data variation, button pushed

or MaxTime interval, another cycle of MinTime/MaxTime calculation is started.

Wakes up and collects

data

3.5V |3.5-3.6|=0.1

REPORTS 3.5V Wakes up and

collects data 3.5V

Does not report

Users push the button,

REPORTS 3.5V.

Recalculate MaxTime.

Wakes up and

collects data

3.6V

Does not report

Wakes up and

collects data

REPORT 3.6V

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data

3.5V

Does not report

Wakes up and

collects data

3.5V

Does not report

6. Installation

1. The dry contact sensor (R718J) has a built-in magnet (as

Figure 1 below), which can be attached to the surface of an

iron object during installation, which is convenient and quick.

In order to make the installation firmer, please use screws

(purchased separately) to fix the device to the wall or other

surface. (as Figure 2 below)

Note: Do not install the device in a metal shielded box or in

an environment surrounded by other electrical equipment to

avoid affecting the wireless transmission of the device.

2. After the dry contact sensor detects the change

of the dry contact state, it will report the data

immediately.

3. If the battery voltage is detected that exceeds the

change value during Min Time, the data will be

reported immediately.

4. Whether the state of the dry contact is change, a

piece of data will be reported regularly when the

MaxTime comes.

Note:

When the dry contact is connected, the data

status bit is “1”.

When the dry contact is disconnected, the data

status bit is “0”.

Dry contact sensor (R718J) can be used in the

following scenarios:

Various switches and buttons

Dry contact output of sensor

The operating status of the equipment

State monitoring of doors and windows in home

or business

The occasion is necessary to judge the state of the

sensor through the dry contact signal.

A diagram that the dry contact sensor (R718J) connecting to a wired smoke sensor.

Dry contact sensor

(R718J)

External power

supply

DC24V+

Wired smoke sensor

3 4

Dry contact

DC24V-

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