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Domnev (view source)

Revision as of 11:25, 31 January 2023

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==Node-RED installation and setup==

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We are going to set up Node-RED in Linux virtual machine. For Node-RED to work, you would need to install Node.js version 14.00 or higher~~, if~~ you already have Node.js installed, verify Node.js version using this command:

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We are going to set up Node-RED in a Linux virtual machine. For Node-RED to work, you would need to install Node.js version 14.00 or higher. If you already have Node.js installed, verify the Node.js version using this command:

<pre>

node -v

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sudo npm install -g –unsafe-perm node-red

</pre>

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Use the command ''node-red'' to start a local server. Here is how the terminal should look like if the server starts correctly:

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Use the command '''''node-red''''' to start a local server. Here is how the terminal should look like if the server starts correctly:

[[File:Server is running node red terminal.png|border|600px|class=tlt-border]]

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[[File:Use server address in web browser.png|border|500px|class=tlt-border]]

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For MQTT usage, we are going to need MQTT-specific nodes. Use the side menu to navigate to Manage Palette section and install these nodes:

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For MQTT usage, we are going to need MQTT-specific nodes. Use the side menu to navigate to the Manage Palette section and install these nodes:

*node-red-contrib-aedes

*node-red-contrib-mqtt-broker

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===M-Bus Data to Server via MQTT===

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This ~~sections~~ contains information on how to send M-Bus data to the server on Node-RED using MQTT protocol.

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This section contains information on how to send M-Bus data to the server on Node-RED using the MQTT protocol.

====Data to Server configuration====

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# '''Enable''' instance;

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# '''Name:''' enter desired instance name;

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# '''Name:''' enter '''desired''' '''instance name''';

# '''Data source:''' M-bus;

# '''Protocol:''' MQTT;

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# '''JSON format:''' enter what data you would like to send;

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# '''JSON format:''' enter what '''data''' you would like '''to send''';

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# '''URL/Host/Connection string:''' enter address of server;

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# '''URL/Host/Connection string:''' enter '''address of server''';

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# '''Port:''' enter server port;

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# '''Port:''' enter '''server port''';

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# '''Topic''': enter desired topic name;

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# '''Topic''': enter '''desired''' '''topic name''';

====M-Bus configuration====

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# '''Enable''' M-Bus;

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# Enter desired '''instance name''';

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# '''ID''': Enter desired '''instance name''';

# '''Add''';

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# '''Enable''' instance;

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# '''Period''': ~~enter~~ desired period;

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# '''Name''': Enter your '''desired name''';

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~~# BLOGAS - NAME NEREIKIA~~

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#'''Period''': Enter '''desired period''';

[[File:HEX data type.png|border|class=tlt-border|904x904px]]

# '''Enable''' request configuration;

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# '''Slave address:''' ~~enter~~ desired slave address;

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# '''Slave address:''' Enter '''desired slave address''';

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# '''Data type:''' ~~select~~ desired data type (this time we will be using '''HEX''');

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# '''Data type:''' Select desired data type (this time we will be using '''HEX''');

# '''Save & apply''' changes.

====Node-RED configuration====

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Below you can see Node-Red block diagram that is used to receive data:

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Below you can see the Node-Red block diagram that is used to receive data:

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* aedes broker

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* '''aedes broker block''' - Broker;

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* MQTT in

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* '''MQTT in block''' - mbus;

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* Debug

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* '''Debug''' - debug 2;

[[File:Node-rs-topology.png|border|center|class=tlt-border|654x654px]]

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[[File:Node-red-subscriber-configuration.png|border|class=tlt-border|1094x1094px]]

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# '''Edit:~~Configure~~''' MQTT-Broker node;

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# '''Edit:''' Configure MQTT-Broker node;

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# '''Name''': Enter desired MQTT-Broker nodes name:

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# '''Name''': Enter '''desired MQTT-Broker nodes name;'''

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# '''Server''': 127.0.0.1 as we will be using Node-RED as MQTT-Broker;

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# '''Server''': '''127.0.0.1''' as we will be using '''Node-RED as MQTT-Broker''';

# '''Port''': 1883;

# '''Update''': Save the changes;

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# '''Server''': Select MQTT-Broker that you have just created;

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# '''Server''': Select '''MQTT-Broker''' that you have '''just created''';

# '''Action''': Subscribe to single topic;

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# '''Topic''': Enter the topic that you have set in Data to Server configuration;

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# '''Topic''': Enter the '''topic''' that you have '''set in Data to Server configuration''';

# '''Qos''': 0;

# '''Output''': Auto-Detect;

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====Results====

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If you have taken all of the steps described above, the configuration is ~~done~~. Below you can see M-Bus data output in HEX format.

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If you have taken all of the steps described above, the configuration is complete. Below you can see M-Bus data output in HEX format.

[[File:MQTT broker HEX data.png|border|class=tlt-border|404x404px]]

===M-Bus Data to Server Via HTTP===

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This ~~sections~~ contains information on how to send M-Bus data to the server on Node-RED using HTTP protocol.

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This section contains information on how to send M-Bus data to the server on Node-RED using the HTTP protocol.

====Data to Server configuration====

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# '''Enable''' request configuration;

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# '''Slave address:''' ~~enter~~ desired slave address;

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# '''Slave address:''' Enter '''desired slave address;'''

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# '''Data type:''' ~~select~~ desired data type (this time we will be using '''XML''');

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# '''Data type:''' Select desired data type (this time we will be using '''XML''');

# '''Save & apply''' changes.

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====Results====

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If you have taken all of the steps described above, the configuration is ~~done~~. Below you can see M-Bus data output in XML format.

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If you have taken all of the steps described above, the configuration is complete. Below you can see M-Bus data output in XML format.

[[File:XML data Mbus.png|border|class=tlt-border|304x304px]]

===MQTT broker===

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This ~~sections~~ contains information on how to send M-Bus data to the server on Node-RED using Teltonika router as a MQTT ~~Broker~~.

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This section contains information on how to send M-Bus data to the server on Node-RED using a Teltonika router as a MQTT broker.

----

====Data to Server configuration====

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[[File:MQTT broker data to server config.png|border|class=tlt-border|1094x1094px]]

# '''Enable''' instance;

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# '''Name:''' ~~enter~~ desired instance name;

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# '''Name:''' Enter '''desired instance name''';

# '''Data source:''' M-bus;

# '''Protocol:''' MQTT;

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# '''JSON format:''' ~~enter~~ what data you would like to send;

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# '''JSON format:''' Enter what '''data''' you would like '''to send''';

# '''URL/Host/Connection string:''' Localhost IP;

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# '''Port:''' enter server port;

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# '''Port:''' enter '''server port''';

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# '''Topic''': enter desired topic name;

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# '''Topic''': enter '''desired topic name''';

====MQTT broker configuration====

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[[File:Mbus BIN data type.png|border|class=tlt-border|854x854px]]

# '''Enable''' request configuration;

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# '''Slave address''': ~~enter~~ desired slave address;

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# '''Slave address''': Enter '''desired slave address''';

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# '''Data type''': ~~select~~ desired data type (this time we will be using BIN);

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# '''Data type''': Select desired data type (this time we will be using '''BIN''');

# '''Save & apply''' changes.

====Node-RED configuration====

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====Results====

----

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If you have taken all of the steps described above, the configuration is ~~done~~. Below you can see M-Bus data output in BIN format.

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If you have taken all of the steps described above, the configuration is complete. Below you can see M-Bus data output in BIN format.

[[File:MQTT BIN data.png|border|class=tlt-border|304x304px]]

==See Also==

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