Netvox R311CA Manuel utilisateur

Wireless Dry Contact Sensors

Model: R311CA

Wireless Dry Contact Sensor

R311CA

User Manual

This document contains proprietary technical information which is the property of NETVOX Technology. It shall be maintained

in strict confidence and shall not be disclosed to other parties, in whole or in part, without written permission of NETVOX

Technology. The specifications are subject to change without prior notice.

Table of Content

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

2. Appearance .................................................................................3

3. Main Features.............................................................................3

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

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

5.1 Example of ConfigureCmd ..................................................6

5.2 Example of ConfigureCmd ..................................................7

5.3 Example for MinTime/MaxTime logic.................................8

6. Installation................................................................................10

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

1. Introduction

The R311CAis a dry contact detection device for Netvox ClassA type devices based on the LoRaWAN open protocol and is

compatible with LoRaWAN protocol. When any dry contact of R311CA detects a change, R311CAwill send a message to the

gateway.

LoRa Wireless Technology:

LoRa is a wireless communication technology dedicated to long distance and low power consumption. Compared with other

communication methods, LoRa spread spectrum modulation method greatly increases to expand the communication distance.

Widely used in long-distance, low-data wireless communications. For example, automatic meter reading, building automation

equipment, wireless security systems and industrial monitoring. Main features include small size, low power consumption,

transmission distance, anti-interference ability and so on.

LoRaWAN:

LoRaWAN uses LoRa technology to define end-to-end standard specifications to ensure interoperability between devices and

gateways from different manufacturers.

2. Appearance

3. Main Features

2 x 3V CR2450 button batteries

Compatible with LoRaWAN

Adopt SX1276 wireless communication module.

Dry contact detection

Frequency hopping spread spectrum technology.

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

Note: Battery life is determined by sensor reporting frequency and other variables.

Please refer to web: http://www.netvox.com.tw/electric/electric_calc.html

In this website, users can find battery lifetime for various models at different configurations.

Function Key

Indicator

4. Set up Instruction

On/Off

Power on Insert batteries (users need a flat blade screwdriver to open)

Turn on Press any function key till green and red indicator flashes once.

Turn off (Restore to original setting) Press and hold the function key for 5 seconds till the green indicator flashes 20 times.

Power off Remove Batteries

Note:

1. Remove and insert the battery; the device memorizes previous on/off state by default.

2. Press any function key and insert batteries at the same time; it will enter engineer testing

mode.

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

inductance and other energy storage components.

Network Joining

Never join the network

Turn on the device to search the network to join.

The green indicator stays on for 5 seconds: success

The green indicator remains off: fail

Had joined the network

(Not in the original setting)

Turn on the device to search for the previous network to join.

The green indicator stays on for 5 seconds: Success

The green indicator remains off: Fail

Fail to join the network Suggest checking device verification on the gateway or consulting your platform service

provider if the device fails to join the network.

Function Key

Press two function keys for 5

seconds

Restore to the original setting / Turn off

The green indicator flashes 20 times: Success

The green indicator remains off: Fail

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

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

Low Voltage Warning

Low Voltage 2.4V

Sleeping Mode

The device is turn on and join in the

network

Sleeping period: Min Interval.

When reportchange exceeds the set value: send data packets according to Min Interval.

5. Data Report

When the device is powered on, it will immediately send a version package report and a report data with voltage value and

dry contact status.

Before any configuration is performed, the device sends data according to the default configuration.

Default setting:

MaxTime: 0x0E10 (3600s)

MinTime: 0x0E10 (3600s)

Batterychange: 0x01 (0.1V)

Triggering the dry contact:

When the state of R311CA dry contact changes, the Report will be sent immediately.

Disconnect : 0

Connect : 1

Command - LastMessageResendtime:

When the state of R311CAdry contact changes, the Report will be sent immediately, and the current dry contact state will be

resent after 5 seconds.

*The resending time can be modified through commands.

*The time range is from 3s to 254s.

Note:

1. The cycle of the device sending the data report is according to the default.

2. The interval between two reports must be the MinTime.

The device reported data parsing please refer to Netvox LoraWAN Application Command documents and URL:

http://www.netvox.com.cn:8888/cmddoc

Data report configuration and sending period are as follows：

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

5.1 Example of ConfigureCmd

FPort：0x06

Bytes 1 1 1 Var(Fix=8 Bytes)

Version DeviceType ReportType NetvoxPayLoadData

Version– 1 byte –0x01——the Version of NetvoxLoRaWAN Application Command Version

DeviceType– 1 byte – Device Type of Device

The devicetype is listed in Netvox LoRaWAN Application Devicetype doc

ReportType – 1 byte –the presentation of the NetvoxPayLoadData，according the devicetype

NetvoxPayLoadData– Fixed bytes (Fixed =8bytes)

Device Device

Type

Report

TypeNetvoxPayLoadData

R311CA 0x4C

0x00 SoftwareVersion

(1Byte)Eg.0x0A—V1.0

HardwareVersion

(1Byte)

DateCode

(4Bytes,eg0x20170503)

Reserved

(2Bytes,fixed 0x00)

0x01 Battery

(1Byte, unit:0.1V)

Status1

(1Byte 0:off 1:on)

Status2

(1Byte 0:off 1:on)

Reserved

(5Bytes,fixed 0x00)

Example of Uplink: 014C011E01000000000000

1st byte (01): Version

2nd byte (4C): DeviceType 0x4C－R311CA

3rd byte (01): ReportType

4th byte (1E): Battery－3.0V, 1E(HEX)=30(DEC),30*0.1v=3.0v

5th byte (01): Status1－On

6th byte (00): Status2－Off

7th ~ 11th byte (0000000000): Reserved

Tips

1. Battery Voltage:

The voltage value is bit 0 ~ bit 6, bit 7=0 is normal voltage, and bit 7=1 is low voltage.

Battery=0x97, binary=1001 0111, if bit 7= 1, it means low voltage.

The actual voltage is 0001 0111 = 0x17 = 23, 23*0.1v =2.3v

2. Version Packet:

When Report Type=0x00 is the version packet, such as 014C000A0B202005200000, the firmware version is 2020.05.20

3. Data Packet:

When Report Type=0x01 is data packet.

5.2 Example of ConfigureCmd

FPort：0x07

Bytes 1 1 Var (Fix =9 Bytes)

CmdID DeviceType NetvoxPayLoadData

CmdID– 1 byte

DeviceType– 1 byte – Device Type of Device

NetvoxPayLoadData– var bytes (Max=9bytes)

(1) Configure R311CA device parameter MinTime = 1min、MaxTime = 1min、BatteryChange = 0.1v

Downlink：014C003C003C0100000000

Device return：

814C000000000000000000 (configuration success)

814C010000000000000000 (configuration failure)

(2) Read R311CA device parameter.

Downlink: 024C000000000000000000

Device return：

824C003C003C0100000000 (device current parameter)

SetLastMessage

ResendtimeReq

ALL(0xFF)

only used in

contact switch

device type

0x1F

0xFF

Resendtime(1Byte)

Unit:1s , Range:3-254s

when 0 or 255 no resend,

default is no resend

Reserved

(8Bytes,Fixed 0x00)

SetLastMessage

ResendtimeRsp 0x9F Status(0x00_success) Reserved

(8Bytes,Fixed 0x00)

Description Device CmdID Device

Type NetvoxPayLoadData

Config

ReportReq

R311CA

0x01

0x4C

MinTime

(2bytes Unit:s)

MaxTime

(2bytes Unit:s)

BatteryChange

(1byte Unit:0.1v)

Reserved

(4Bytes,Fixed 0x00)

Config

ReportRsp 0x81 Status

(0x00_success)

Reserved

(8Bytes, Fixed 0x00)

ReadConfig

ReportReq 0x02 Reserved

(9Bytes, Fixed 0x00)

ReadConfig

ReportRsp 0x82 MinTime

(2bytes Unit:s)

MaxTime

(2bytes Unit:s)

BatteryChange

(1byte Unit:0.1v)

Reserved

(4Bytes,Fixed 0x00)

GetLastMessage

ResendtimeReq 0x1E Reserved

(9Bytes,Fixed 0x00)

GetLastMessage

ResendtimeRsp 0x9E

Resendtime(1Byte)

Unit:1s , Range:3-254s

when 0 or 255 no resend,

default is no resend

Reserved

(8Bytes,Fixed 0x00)

(3) Set Last Message Resend time, resend time =5s

Downlink：1FFF050000000000000000

Device return：

9FFF000000000000000000 (configuration success)

9FFF010000000000000000 (configuration failure)

(4) Get Last Message Resend time

Downlink：1EFF000000000000000000

Device return：

9EFF050000000000000000 (device current parameter)

5.3 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.

Wake up and collects data

REPORTS 2.8V

Wakes up and collects data

REPORTS 2.8V

Wakes up and collects data

REPORTS 2.8V

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

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 collected data is compared with the last reported data. If the variation of the data is greater than the value of

ReportableChange, the device will report according to MinTime interval. If the data variation is not greater than the last

reported data, the device will report according to MaxTime interval.

(3) We do not recommend setting the MinTime Interval value too low. If the MinTime Interval is too low, the device will wake

up frequently and the battery will be drained soon.

(4) When the device sends a report, no matter the data changes, button is pushed or MaxTime interval comes, another cycle of

MinTime / MaxTime calculation starts.

Wakes up and

collects data

2.8V

Does not report

Wakes up and

collects data

2.8V

Does not report

Wakes up and

collects data

REPORT 2.8V

Wakes up and

collects data

2.8V

Does not report

Wakes up and

collects data

REPORT 2.8V

Wakes up and collects

data

2.7V |2.7-2.8|=0.1

REPORTS 2.7V Wakes up and

collects data 2.7V

Does not report

Users push the button,

REPORTS 2.7V.

Recalculate MaxTime.

Wakes up and

collects data

2.8V

Does not report

Wakes up and

collects data

REPORT 2.8V

Wakes up and

collects data

2.7V

Does not report

Wakes up and

collects data

2.7V

Does not report

Wakes up and

collects data

2.7V

Does not report

Wakes up and

collects data

2.7V

Does not report

Wakes up and

collects data

REPORT 2.7V

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