Read & Write

Read Tag

POST /api/v2/read

Request Headers

Content—Type application/json

Authorization Bearer \

Response Status

• 200

Body

{
    //node name
    "node": "modbus-tcp-1",
    //group name
    "group": "config_modbus_tcp_sample_2"
}

Response

{
    "tags": [
        {
            //tag nmae
            "name": "data1",
            //tag value
            "value": 1,
        },
        {
            "name": "data2",
            "error": 2014
        },
        {
            "name": "data3",
            "value": true,
        }
    ]
}

tip The value is displayed only when the value is read correctly, when the value is read incorrectly, the error code is displayed, not the value.

Write Tag

POST /api/v2/write

Request Headers

Content-Type application/json

Authorization Bearer \

Response Status

• 200 OK

Body

{
    "node": "modbus-tcp-1",
    "group": "config_modbus_tcp_sample_2",
    "tag": "tag1",
    "value": 1234
}

Response

{
    "error": 0
}