osiota application modbus

Osiota is a software platform capable of running distributed IoT applications written in JavaScript to enable any kind of IoT tasks. See osiota.

Configuration: modbus

This application connects devices via Modbus.

Additional Properties: not allowed

Option 1 (alternative): Modbus Serial Interface

Properties

Name	Type	Description	Required
connect_type (Connection Type)	string	Enum: "RTU", "C701", "RTUBuffered", "AsciiSerial"	yes
connect_path	string	i.e. device path	yes
connect_options (Serial Connect Options)	object	Additional options for connecting to modbus, i.e. the baud rate settings	no
map (Modbus devices)	object[]		no

Example

{
    "connect_type": "RTUBuffered",
    "connect_path": "/dev/ttyUSB0",
    "connect_options": {
        "baudRate": 9600
    }
}

Option 2 (alternative): Modbus Network Interface

Properties

Name	Type	Description	Required
connect_type (Connection Type)	string	Enum: "TCP", "Telnet"	yes
connect_path (Host)	string	i.e. an IP address or host name	yes
connect_options (Network Connect Options)	object	Additional options for connecting to modbus, i.e. the port settings	no
map (Modbus devices)	object[]		no

Example

{
    "connect_type": "Telnet",
    "connect_path": "192.168.1.101",
    "connect_options": {
        "port": 1234
    }
}

Option 1: connect_options: Serial Connect Options

Additional options for connecting to modbus, i.e. the baud rate settings

See SerialPort options

Properties

Name	Type	Description	Required
baudRate (Baud rate)	number		no

Option 1: map: Modbus devices

Items: Modbus device

Item Properties

Name	Type	Description	Required
node (Node to map to)	string		no
id (Modbus Client ID)	number	Minimum: 0	yes
address (Modbus Field Address)	number	Minimum: 0	yes
type (Modbus Field Type)	string	Enum: "input boolean", "input register", "output boolen", "output register"	no
datatype (Field Data Type)	string	Default: "uint16" Enum: "boolean", "uint16"	yes
metadata (Node Metadata)	object		no

Example

[
    {
        "node": "/Lamp Switch",
        "id": 0,
        "address": 10,
        "type": "output boolean",
        "datatype": "boolean",
        "metadata": {
            "power": 60
        }
    }
]

Option 1: map.metadata: Node Metadata

Additional Properties: allowed

Option 2: connect_options: Network Connect Options

Additional options for connecting to modbus, i.e. the port settings

See Connect options

Properties

Name	Type	Description	Required
port	number	Modbus Port Default: 502	no

Example

{
    "port": 502
}

Option 2: map: Modbus devices

Items: Modbus device

Item Properties

Name	Type	Description	Required
node (Node to map to)	string		no
id (Modbus Client ID)	number	Minimum: 0	yes
address (Modbus Field Address)	number	Minimum: 0	yes
type (Modbus Field Type)	string	Enum: "input boolean", "input register", "output boolen", "output register"	no
datatype (Field Data Type)	string	Default: "uint16" Enum: "boolean", "uint16"	yes
metadata (Node Metadata)	object		no

Example

[
    {
        "node": "/Lamp Switch",
        "id": 0,
        "address": 10,
        "type": "output boolean",
        "datatype": "boolean",
        "metadata": {
            "power": 60
        }
    }
]

Option 2: map.metadata: Node Metadata

Additional Properties: allowed

How to setup

Add a configuration object for this application, see osiota configuration:

{
    "name": "modbus",
    "config": CONFIG
}

License

Osiota and this application are released under the MIT license.

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.