Read & Write 
Read Tag 
POST /api/v2/read
Request Headers 
Content--Type application/json
Authorization Bearer <token>
Response Status 
- 200
 
Body 
json
{
    //node name
    "node": "modbus-tcp-1",
    //group name
    "group": "config_modbus_tcp_sample_2"
}Response 
json
{
    "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 <token>
Response Status 
- 200 OK
 
Body 
json
{
    "node": "modbus-tcp-1",
    "group": "config_modbus_tcp_sample_2",
    "tag": "tag1",
    "value": 1234
}Response 
json
{
    "error": 0
}