读写

读 Tag

POST /api/v2/read

请求头部

Content—Type application/json

Authorization Bearer <token>

响应状态

• 200

请求体

json

{
    //node name (required)
    "node": "modbus-tcp-1",
    //group name (required)
    "group": "config_modbus_tcp_sample_2"
    //tag name substring match (optional)
    "name": "hold_bit",
    //tag description substring match (optional)
    "desc": "switch",
    //synchronous read (optional, default false)
    "sync": false
}

响应

json

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

注意

当某个点位读数值出错时，将显示 error 字段，不再显示 value 字段。

写 Tag

写一个 Tag

POST /api/v2/write

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

• 200 OK

请求体

json

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

响应

json

{
    "error": 0
}

写多个 Tag

POST /api/v2/write/tags

注意

多点位写入，目前仅支持Mitsubishi 3E, Beckhoff ADS, Modbus TCP, Modbus RTU, Siemens S7 ISOTCP, Omron FINS TCP, OPC UA, BACnet/IP 驱动。

请求头部

Content-Type application/json

Authorization Bearer <token>

响应状态

• 200 OK

请求体

json

{
    "node": "modbus-tcp-1",
    "group": "group1",
    "tags": [
        {
            "tag": "tag1",
            "value": 123
        },
        {
            "tag": "tag2",
            "value": 1233
        },
        {
            "tag": "tag3",
            "value": 7788
        },
        {
            "tag": "tag4",
            "value": 1
        },
        {
            "tag": "tag5",
            "value": "asdfda"
        }
    ]
}

响应

json

{
    "error": 0
}