Patlite NH-FV Series User manual

Notice to Customer
Thank for your purchasing our PATLITE products.
This document provides instructions for using AWS
IoT Core to operate the NH-FV series. For installation
and basic usage, refer to the "NH-FV Series User’s
Manual".
● Beforeusingthisproduct,readthismanualand
the "NH-FV Series User’s Manual" thoroughly to
ensure correct use.
● AmazonWebServices(AWS)isacloudplatform
providedbyAmazonWebServices,Inc.
 Operateonlyafterconrmingwithpersonnelwitha
good understanding of AWS.
If you have any technical questions about AWS,
pleasecontactAmazonWebServices,Inc.
● Ifyouhaveanyquestions,pleasecontactour
service and repair desk.
NetworkMonitorSignalTowerwithMP3
NH-FV Series
Instruction Manual
Amazon Web Services
(AWS) Procedure
Supported models
・
NHL-FV2
・
NHP-FV2
・
NHL-FV1
Supported rmware
Version 1.13 or later
Page
1. Before you begin
3
2. Starting operations
4
3. Firmware conrmation method
6
4. Create certicate
8
5. Connection method
10
6. Operation
12
7. Functions
15
8. Fields and descriptions
17
9. Troubleshooting
20
10. License agreement
21
GA0001665_01

2
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure -
1. Before you begin_________________________________________________________
3
1.1. About Safety Symbols ……………………………………………………………………………… 3
1.2. Registered Trademarks …………………………………………………………………………… 3
2. Starting operations _______________________________________________________
4
2.1. Preparation ……………………………………………………………………………………… 4
2.2. Settings ………………………………………………………………………………………… 5
2.3. Operation ………………………………………………………………………………………… 5
3. Firmware conrmation method _____________________________________________
6
 3.1. Firmwareversionconrmationmethod ……………………………………………………………… 6
3.2. Firmware update ………………………………………………………………………………… 7
4. Create certicate_________________________________________________________
8
5. Connection method ____________________________________________________
10
6. Operation _____________________________________________________________
12
6.1. Using MQTT Subscribe Function ……………………………………………………………………12
 6.2. UsingMQTTPublishFunction ………………………………………………………………………13
 6.3. UsingDeviceShadowFunction………………………………………………………………………14
7. Functions_____________________________________________________________
15
7.1. Amazon Web Services (AWS) Connection Setup Screen, Names and Descriptions …………………………15
 7.2. AbouttheEventLogFunction ………………………………………………………………………16
7.3. About Initialization Functions ………………………………………………………………………16
8. Fields and descriptions _________________________________________________
17
 8.1. MQTTSubscribeFunction-FieldNameList …………………………………………………………17
 8.2. MQTTPublishFunction-FieldNameList …………………………………………………………… 18
 8.3. DeviceShadowFunction-FieldNameList ……………………………………………………………19
9. Troubleshooting _______________________________________________________
20
10. License agreement _____________________________________________________
21
 10.1.APACHELICENSE,VERSION2.0 ……………………………………………………………………21
Table of Contents

3
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 1.Before you begin
1.1. About Safety Symbols
● Thefollowingsymbolsclassifywarningsandcautions,anddescribethelevelofharmanddamagethatwilloccur
whenthecorrespondinginstructionsareignored.
 1. Beforeyoubegin
● ThecopyrightforthisdocumentisownedbyPATLITECorporation(hereafterreferredtoas"ourcompany").
Reproduction,duplication,oralterationofpartorallofthisdocument,withoutpriorconsentfromPATLITE,is
strictly prohibited.
● Specications,designs,andothercontentinthismanualaresubjecttochangewithoutpriornotice,whichmay
resultindi󰀨erenceswiththeproductthatyoupurchased.
● Thisproduct(includingsoftware)isdeveloped,designedandmanufacturedforgeneralusage,suchaso󰀩ceuse,
personal use, standard industry, and other related systems. Do not use, either directly or indirectly, in applications
whereahighlevelofsafetyisrequiredorwherehumanlifeisinvolved.
We shall not be held liable for any damages or losses, nor be held responsible for any claims by a third party,
asaresultofusingthisproductforanypurposeotherthanforgeneralusage.Whenusedwithequipmentand
computersystemsthatrequirehigherreliabilitythangeneralusage,designsafetyintothesystemtocopewith
unforeseen operation of this product.
● Weshallnotbeheldliableforanydamagesorlosses,norbeheldresponsibleforanyclaimsbyathirdparty,asa
resultofusingthisproduct(includingsoftware).
1.2. Registered Trademarks
● AmazonWebServices,the“PoweredbyAWS”logo,andnameanyotherAWSMarksusedinsuchmaterialsare
trademarksofAmazon.com,Inc.oritsa󰀩liatesintheUnitedStatesand/orothercountries.
● Additionally,companynamesandproductnamesdescribedinthisdocumentaretrademarksorregistered
trademarksoftheirrespectiveowners.
WARNING Thissymbolindicates,"Failuretofollowtheinstructionsmayleadto
deathorseriousinjury."
Thissymbolindicates,"Failuretofollowtheinstructionsmayleadto
injuryorpropertydamage."
Prohibited This symbol identifies "Prohibited" operations that should never be
carried out.
Thissymbolidenties"Mandatory"instructionsthatshouldalwaysbe
carried out.
Cautio
n
Thissymbolidentiesinformationthatrequiresyourattentionatsetup.
Thissymbolidentiessupplementaryinformation.
CAUTION
Mandatory

4
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 2.Starting operations
2. Starting operations
This document describes the operation process on for using AWS IoT Core.
Operatewhilereferringtothismanualandthe"NH-FVSeriesUser’sManual".
2.1. Preparation
STEP 1 Installing This Product
STEP 2 Wiring Terminals
STEP 3 Connecting to LAN
STEP 4 Connecting Line Out
STEP 5 PoweringON
STEP 6
STEP 7 AWS Device Registration
"2.2. Product Installation"
Create a thing in the AWS IoT console.
●Whencreatingathing,savethedevicecerticate,
privatekey,androotCAcerticate.
●
Forsaving,referto"4.Createcerticate"( ☞page8).
"2.3TerminalBussWiring"
"2.4 LAN Connection"
"2.5 Line Out Connection"
"2.6PowerConnection"
"3.Firmwareconrmationmethod"(
☞
page 6)
NH-FV Series User’s Manual
NH-FV Series User’s Manual
NH-FV Series User’s Manual
NH-FV Series User’s Manual
NH-FV Series User’s Manual
This manual
Checkthatthermwareversion
supports AWS

5
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 2.Starting operations
2.2. Settings
 2.3. Operation
"6.1. UsingMQTTSubscribeFunction"(
☞
page 12)
"6.2. UsingMQTTPublishFunction"(
☞
page 13)
"6.3. UsingDeviceShadowFunction"(
☞
page 14)
In the time settings, make sure you set the
current time.
STEP 1 NetworkSettings
STEP 2
STEP 3 Operation Settings
"2.7NetworkSetup"
"2.8NetworkSetupwithDHCPFunction"
"5. Connectionmethod"(
☞
page 10)
"2.9OperationSetup","3FunctionalityDetails"
Using MQTT Subscribe Function
Using MQTT Publish Function
UsingDeviceShadowFunction
This manual
NH-FV Series User’s Manual
NH-FV Series User’s Manual
This manual
This manual
This manual
Cautio
n
When the schedule function is enabled, it prevents
connecting to the cloud.
Cloud Connection Settings
(AWSIoTCore)

6
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 3.Firmware conrmation method
StartaWebbrowser.
❶
From the menu, click [Setup Menu] to expand the
menu tree.
❹
From the menu tree, click [System Configuration]
to display the setting screen.
❺
Checktheversioninthe[FirmwareVersion].
❻
* Iftheversionis1.12orearlier,referto"3.2.
Firmwareupdate"(
☞
page7).
❸
IntheWebbrowserʼsaddressbar,entertheIP
address* as set up on this product.
❷
* The factory default IP address is 192.168.10.1.
Enterthepassword*andlogin.
❸
❷
* Thedefaultpasswordispatlite.
 3.1. Firmwareversionconrmationmethod
 3. Firmwareconrmationmethod
CheckifthermwareversioniscompatiblewithAWSIoTCore.
Iftheversionisincompatible,referto"3.2. Firmwareupdate"(
☞
page7).
❹
❺
❻
Cautio
n
Pleasechangethenetworksettingsforthepersonalcomputer,sothat
thepersonalcomputercancommunicatewiththisproduct.

7
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 3.Firmware conrmation method
StartaWebbrowser.
❶
Select[NHL-3FV2/NHP-3FV2].
❹
Updatethefirmware.
❼
From[https://www.patlite.com],select[Products]
[LAN/USB/PoE/Wireless].
❷
Select[NetworkProducts].
❸
 3.2. Firmwareupdate
❹
❷
"3.24.FirmwareUpdateFunction"
NH-FV Series User’s Manual
Select[FileDownloads].
❺
DownloadthefirmwareforNH-FVSeries
(Ver1.13orlater).
❻
❺
❸

8
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 4. Create certicate
 4. Createcerticate
In the [Add a certificate for your thing] screen,
click [Create certificate].
❸
WhencreatingathingintheAWSIoTconsole,followthestepsbelowtosavethedevicecerticate,privatekey,and
rootCAcerticate.
In the [Add your device to the thing registry]
screen, enter a name and click [Next].
❷
From the [Create AWS IoT things] screen, click
[Create a single thing].
❶
❸
❶
❷

9
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 4. Create certicate
Foreachitemclick[Download]todownload[A
certificate for this thing], [A private key], and [A
root CA for AWS IoT].
❹
Click [Activate].
❺
Depending on the situation, click either [Done] or
[Attach a policy].
❻
●For"RootCA,"downloadthe"Amazon
Root CA 1".
●Save [A public key] if required.
❹
❺
❻

10
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 5.Connection method
5. Connection method
StartaWebbrowser.
❶
From the menu, click [Setup Menu] to expand the
menu tree.
❹
From the menu tree, click [Cloud Connection
Settings] to display the setting screen.
❺
Clickthe[AmazonWebServices]submenu,to
viewthesetupscreen.
❻
❻
ToconnectthisproducttoAWSIoTCore,followthestepsbelow.
IntheWebbrowser'saddressbar,entertheIP
address* as set up on this product.
❷
* The factory default IP address is 192.168.10.1.
Enterthepassword*andlogin.
❸
* Thedefaultpasswordispatlite.
❹
❺
❸
❷
Cautio
n
●Pleasechangethenetworksettingsforthepersonalcomputer,sothat
thepersonalcomputercancommunicatewiththisproduct.
●ThismanualcontainscongurationexampleswhenusingInternetExplorer11.
( Dependingonthebrowser,thecontentdisplayedmaydi󰀨er.)

11
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 5.Connection method
Click[Browse]andselectthecertificate*to
upload.
❾
Click [Upload].
❿
* In"4.Createcerticate"(
☞
page8),certicate
thatwasdownloaded.Certicatesuploadedforeach
itemareasfollows.
Fromthemenu,click[Logout]andthebrowser
closes.
⓫
⓫
Item Certicatetoupload
RootCACerticate RootCAcerticate
ClientCerticate Thingcerticate
Private Key Private key
Ifthecerticatehasbeenuploaded,the
lenameoftheuploadedcerticateis
displayedineacheld.
❾
❿
Enter a value* in each field.
❼
Click[Set]toupdatewiththedefinedsettings.
❽
* Valuesenteredineacheldareasfollows.
Item Value to enter
Endpoint
Custom end point value
obtained from the AWS IoT
Console
Client ID
Thing name created in "2.1.
Preparation"(
☞
page4)
Subscribe Topic Subscribe topic for this
product
Publish Topic Publish topic for this product
Cautio
n
Using the Config Setting function you
cannotreadorwritevalues.
❼
❽

12
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 6.Operation
6. Operation
6.1. Using MQTT Subscribe Function
● Youcancontrolthismachinebyissuingmessagestotopicssubscribed(Subscribetopic)bythismachine.
Informationyoucancontrolisshowninthetablebelow.
● Formultipleinstructions,separatethemwithacomma(,).Instructionsareexecutedinorderofpriority,notinthe
orderinwhichtheyappear.
Item Field name* Priority
LEDUnitandBuzzer alert 1
LED Unit led 2
LEDUnit(red) led_red 2
LEDUnit(amber) led_yellow 2
LEDUnit(green) led_green 2
LEDUnit(blue) led_blue 2
LEDUnit(white) led_white 2
Buzzeroutput buz_pattern 2
Audio channel playback sound_pattern 2
Digital output digital_output 2
Repeat repeat 3
Clear clear 4
*Forinformationonthecontentofeacheld,referto"8.1. MQTTSubscribeFunction-FieldNameList"(
☞
page17).
Cautio
n
●Toexecute[Repeat],specify[Audiochannelplayback]and[Repeat].
●Donotspecify[Buzzer]and[Audiochannelplayback]atthesametime.
●Ifthesameinstructionisspeciedmultipletimes,thatinstructionwillnotexecute.
●TosetupSubscribetopicsforthismachine,referto"7.1. AmazonWebServices(AWS)ConnectionSetup
Screen,NamesandDescriptions"(
☞
page15)
●WhenSubscribetopicsarenotsetup,thisfunctiondoesnotoperate.

13
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 6.Operation
6.2. Using MQTT Publish Function
Thechangeinformationforthismachineissenttothedenedtopic(Publishtopic).
Thechangeinformationyoucansendisasfollows.
Item Field name*
LEDUnit(red) led_red
LEDUnit(amber) led_yellow
LEDUnit(green) led_green
LEDUnit(blue) led_blue
LEDUnit(white) led_white
Buzzeroutput buz_pattern
Audio channel playback sound_pattern
Digital output digital_output
Clear clear
Digital input digital_input1 to 4
Client ID client_id
Publish topic topic_name
*Forinformationonthecontentofeacheld,referto"8.2. MQTTPublishFunction-FieldNameList"(
☞
page18).
Cautio
n
●TosetupPublishtopicsforthismachine,referto"7.1.AmazonWebServices(AWS)ConnectionSetup
Screen,NamesandDescriptions"(
☞
page15).
●WhenPublishtopicsarenotsetup,thisfunctiondoesnotoperate.
●Sendsthecurrentstatusofonlychangeditems.

14
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 6.Operation
 6.3. UsingDeviceShadowFunction
UsingtheDeviceShadowfunction,youcangetthecontrolandcurrentstatusofthismachine.Thecontroland
statusinformationyoucangetisshowninthetablebelow.
Item Field name*
LEDUnit(red) led_red
LEDUnit(amber) led_yellow
LEDUnit(green) led_green
LEDUnit(blue) led_blue
LEDUnit(white) led_white
Buzzeroutput buz_pattern
Audio channel playback sound_pattern
Digital output digital_output
*Forinformationonthecontentofeacheld,referto"8.3. DeviceShadowFunction-FieldNameList"(
☞
page19).
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●Donotcontrolthebuzzeroutputandaudiochannelatthesametime.
●Ifthesameinstructionisspeciedmultipletimes,thatinstructionwillnotexecute.
●WhenClientIDarenotsetup,thisfunctiondoesnotoperate.

15
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 7.Functions
7. Functions
 7.1. AmazonWebServices(AWS)ConnectionSetupScreen,NamesandDescriptions
No. Item Description Input range
①Endpoint Enter the AWS IoT Core custom end point Up to 511 characters
②Port Number SelecttheportnumberusedtocommunicatewithAWSIoTCore 443or8883
③Client ID Enter the name of the thing created in the AWS IoT console Up to 127 characters
④Subscribe Topic Enter the Subscribe topic for this machine Up to 255 characters
⑤Publish Topic Enter the Publish topic for this machine Up to 255 characters
⑥Set button Buttonsforsettings①to ⑤-
⑦RootCACerticate UploadstherootCAcerticate -
⑧ClientCerticate Uploadstheclientcerticate -
⑨Private Key Uploads the client private key -
This chapter describes functions related to this product. For functions that are not described in this manual, refer to
"3.FunctionalityDetails"and"4.FunctionSetup"inthe"NH-FVSeriesUser’sManual".
⑧
⑨
①
②
③
④
⑤
⑦
⑥
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ThismanualcontainscongurationexampleswhenusingInternetExplorer11.
( Dependingonthebrowser,thecontentdisplayedmaydi󰀨er.)

16
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 7.Functions
7.2. About the Event Log Function
Themachine’seventlogscreendisplaysthefollowingAmazonWebServices(AWS)eventnames.
Event name Event content Event description
AWS
CONNECT RecordwhenconnectingtoAWS.
CONN_FAILED RecordedwhenAWSconnectionfails.
DISCONNECT RecordwhenclosingtheconnectiontoAWS.
CONTROL RecordwhenAWSoperationisrun.
 7.3. AboutInitializationFunctions
Atinitialization,thevaluesofeachAmazonWebServices(AWS)settingareasfollows.
Item
Execution method
WEBSetupTool ModeSwitchFunctions
Networkalso
reinitializescheck
box selected
Playlist data also
initializedcheck
box selected
EitherNetworkor
Playlist check box
cleared
Initializenetwork
setting only Initializationmode
Endpoint Defaultvalue(empty) Save set value Defaultvalue(empty)
Port Number Defaultvalue(8883) Save set value Defaultvalue(8883)
Client ID Defaultvalue(empty) Save set value Defaultvalue(empty)
Subscribe Topic Defaultvalue(empty) Save set value Defaultvalue(empty)
Publish Topic Defaultvalue(empty) Save set value Defaultvalue(empty)
RootCACerticate Defaultvalue(empty)* Save set value Defaultvalue(empty)*
ClientCerticate Defaultvalue(empty)* Save set value Defaultvalue(empty)*
Private Key Defaultvalue(empty)* Save set value Defaultvalue(empty)*
* Certicatesareerasedfromthemachinewheninitializing.

17
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 8.Fields and descriptions
8. Fields and descriptions
8.1. MQTT Subscribe Function - Field Name List
No. Field name Data type Value Description
1 alert
string
Setpatternsinorder:R(red)→Y(amber)
→G(green)→B(blue)→C(white) →Z
(buzzer).
[RYGBC]
0:lighto󰀨,1:lighton,2:ashing1,3:
ashing2,9:Statemaintained(nochange)
[Z]
0:Mute,1:Buzzerpattern1,2:Buzzer
pattern2,3:Buzzerpattern3,4:Buzzer
pattern4,9:Statemaintained(nochange)
SignalLightandBuzzerarecontrolled
using a 6 character string.
Example,“alert”:“123094”
2 led
Setpatternsinorder:R(red)→Y(amber)→
G(green)→B(blue)→C(white).
[RYGBC]
0:lighto󰀨,1:lighton,2:ashing1,3:
ashing2,9:Statemaintained(nochange)
Signal Light is controlled using a 5
character string.
Example,“led”:“10013”
3led_red
0:Lighto󰀨
1: Light on
2: Flashing 1
3:Flashing2
9:Statemaintained(nochange)
Control the red LED unit.
4led_yellow Control the amber LED unit.
5 led_green Control the green LED unit.
6 led_blue Control the blue LED unit.
7led_white ControlthewhiteLEDunit.
8buz_pattern
0: Stop
1: Pattern 1
2: Pattern 2
3:Pattern3
4: Pattern 4
9:Statemaintained(nochange)
Controlthebuzzer.
9 sound_pattern 0: Stop, 1 to 70: Channel number Playthespeciedaudiochannel.
10 repeat * 0 to 255: Number of times to repeat Specify the number of times to repeat
the audio.
11 digital_output 0:OFF,1:ON,9:Statemaintained(nochange) Control digital output.
12 clear 1: Execute clear
Turn off all the Signal Lights and stop
playing the channel.
* Set a value of 255 for endless playback.
Example
●TurnredLEDunitonandplayaudiochannel30twotimes
{
"led_red": "1",
"sound_pattern":"30",
"repeat": "1"
}
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●Thiswillnotrunifaninvalidvalueisspecied.
●Donotcontrolthebuzzerandaudiochannelatthesametime.

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Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 8.Fields and descriptions
8.2. MQTT Publish Function - Field Name List
No. Field name Data type Value Description
1 client_id *
string
Setup Value
●NoticationofclientIDvalue.
●NoticationofthevalueassetintheAmazonWeb
Services(AWS)ConnectionSetupScreen.
2 topic_name * Setup Value
●NoticationofPublishtopicvalue.
●NoticationofthevalueassetintheAmazonWeb
Services(AWS)ConnectionSetupScreen.
3led_red
0:Lighto󰀨
1: Light on
2: Flashing 1
3:Flashing2
NoticationoftheredLEDunitstatus.
4led_yellow NoticationoftheamberLEDunitstatus.
5 led_green NoticationofthegreenLEDunitstatus.
6 led_blue NoticationoftheblueLEDunitstatus.
7led_white NoticationofthewhiteLEDunitstatus.
8buz_pattern
0: Stop
1: Pattern 1
2: Pattern 2
3:Pattern3
4: Pattern 4
Noticationofthebuzzerstatus.
9 sound_pattern 0: Stop, 1 to 70: Channel
number Noticationoftheaudiochannelstatus.
10 digital_output
0: OFF
1: ON
Noticationofthedigitaloutputstatus.
11 digital_input1
Noticationofthedigitalinputstatus.
12 digital_input2
13 digital_input3
14 digital_input4
15 clear 1:Pressclearswitch Noticationthatclearswitchwaspressed.
Example
●AmberLEDunitisonandbuzzerpattern1issounding
*"client_id"and"topic_name"arealwaysincludedatthestartofthemessage.
{
"client_id": "NH",
"topic_name":"NH/Publish",
"led_yellow":"1",
"buzzer_pattern":"1"
}

19
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 8.Fields and descriptions
 8.3. DeviceShadowFunction-FieldNameList
No. Field name Data type Value Description
1 led_red
integer
0:Lighto󰀨
1: Light on
2: Flashing 1
3:Flashing2
9:Statemaintained(nochange)
LEDUnit(red)
2led_yellow LEDUnit(amber)
3led_green LEDUnit(green)
4 led_blue LEDUnit(blue)
5led_white LEDUnit(white)
6buz_pattern
0: Stop
1: Pattern 1
2: Pattern 2
3:Pattern3
4: Pattern 4
9:Statemaintained(nochange)
Buzzercontrol
7 sound_pattern 0: Stop, 1 to 70: Channel number Audio channel
8 digital_output
0: OFF
1: ON
9:Statemaintained(nochange)
Digital output
Example
●NoticationthatgreenLEDunitisonandaudiochannel50isplaying
●ControltostopplayingaudiochannelandturnONdigitaloutput
"state": {
"reported": {
"led_red": 0,
"led_yellow":0,
"led_green": 1,
"led_blue": 0,
"led_white":0,
"buz_pattern":0,
"sound_pattern": 50,
"digital_output": 0
}
}
"state": {
"desired": {
"sound_pattern": 0,
"digital_output": 1
}
}
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Thiswillnotrunifaninvalidvalueisspecied.

20
Network Monitor Signal Tower with MP3 NH-FV Series Instruction Manual - Amazon Web Services (AWS) Procedure - 9.Troubleshooting
9. Troubleshooting
Useincombinationwith"8.Troubleshooting"inthe"NH-FVSeriesUser’sManual".
Problem Check content
LED unit does not run as expected
ConrmtheAmazonWebServices(AWS)ConnectionSetupiscorrect.
Conrmeldnamesandvaluesarespeciedcorrectly.
ConrmtheClientIDandtopicnamesdonotconictwithotherNH-FV.
AWS IoT Core cannot be connected
ConrmtheEndpointandClientIDaresetupcorrectlyintheAmazonWeb
Services Setup Screen.
ConfirmtheAmazonWebServicesSetupScreen’srootCA certificate,
ClientCerticate,andPrivatekeyareuploadedproperly.
Conrmthecerticateandpolicyareattachedtothething createdinthe
AWS IoT console.
Makesuretheproduct'stimesettingiscorrect.
MQTT Publish function does not notify
changes in digital input
Checkthesignaldenitioninthedigitalinputsettings.Notifywhenthere
arechangesaccordingtothespecieddenition.
Certicatecannotbeuploaded Certicatelenameistoolong.Shorten thelenameandtryuploading
again.