API
Mervis SCADA nabízí otevřené REST-like API postavené na JSON a XML formátech dat. Pro kompletní popis API kontaktujte naši technickou podporu.
Přehled základních API metod
| Function | Description |
|---|
| api/checkCredentials | |
|---|---|
| api/logout | |
| api/get/projects | |
| api/get/projectData | |
| api/get/projectByParts | |
| api/get/history | |
| api/get/history/specific | |
| api/set/history | |
| api/get/values | |
| api/get/alarms | |
| api/get/alarmHistory | |
| api/get/eventHistory | |
| api/get/changes | |
| api/set/executeActions | |
| api/set/values | |
| api/set/executeAlarmOps | |
| api/set/projectPriorityRefresh | |
| api/get/schema | |
| api/get/schema/datapoints | |
| api/get/schema/values | |
| api/get/schema/image |
Příklad
api/checkCredentials
Request
- Method: POST
Request
{"cred":{"n":"demo","p":"demo"}}
Response
<?xml version="1.0" encoding="utf-8"?> <checkCredentialsResult xmlns:r="http://dev.rcware.eu/serialization/references" d="GlobalDomain" l="demo" t="2:85be00d3-5875-4dec-a9b4-c98e2ff2acbe" xmlns="http://dev.rcware.eu/auth" />
- Získaný token t lze použít místo dvojice jméno/heslo v následujících API voláních.
api/get/history
Request
- URL: /api/get/history?format=xml
- Method: POST
{ "cred":{ "n":"demo", "p":"demo", "pe":0 }, "projId":"5abf8ca0-94ba-48df-8d3c-7ebe87a12fd0", "dpId":"62cf4083-31ed-4bc1-be25-044ba837a9f0", "from":"/Date(1541199600000)/", "to":"/Date(1541496190357)/", "offset":0, "count":5000, "historyState":"" }
Response
<?xml version="1.0" encoding="utf-8"?> <getHistoryResult xmlns:r="http://dev.rcware.eu/serialization/references" r:type="b133774d-21ce-42b6-add3-57c012079c55" xmlns:n1="http://dev.rcware.eu/scada/basic-props" xmlns="http://dev.rcware.eu/scada/history"> <hist projId="5abf8ca0-94ba-48df-8d3c-7ebe87a12fd0" dpId="62cf4083-31ed-4bc1-be25-044ba837a9f0" propName="Output" interval="PT3M" historyState="" nextValOfs="-1"> <errMsg/> <vals> <hv ts="2018-11-02T21:26:08.7936747Z" gt="2018-11-03T20:35:08.8060769Z"> <n1:v>12754</n1:v> </hv> <hv ts="2018-11-03T20:41:09.0100479Z" gt="2018-11-05T11:35:08.7415158Z"> <n1:v>12754</n1:v> </hv> <hv ts="2018-11-05T11:40:04.0077949Z" gt="2018-11-05T17:25:03.4285643Z"> <n1:v>12754</n1:v> </hv> <hv ts="2018-11-05T17:28:03.4133447Z" gt="2018-11-05T19:40:03.0246122Z"> <n1:v>12755</n1:v> </hv> <hv ts="2018-11-05T19:43:03.6499981Z" gt="2018-11-05T22:01:03.2620552Z"> <n1:v>12756</n1:v> </hv> <hv ts="2018-11-05T22:04:03.1530787Z" gt="2018-11-06T02:37:03.454926Z"> <n1:v>12757</n1:v> </hv> <hv ts="2018-11-06T02:40:03.61157Z" gt="2018-11-06T04:52:03.1759539Z"> <n1:v>12758</n1:v> </hv> <hv ts="2018-11-06T04:55:03.14511Z" gt="2018-11-06T06:40:03.8621601Z"> <n1:v>12759</n1:v> </hv> <hv ts="2018-11-06T06:43:03.2063072Z" gt="2018-11-06T08:55:03.3019409Z"> <n1:v>12760</n1:v> </hv> <hv ts="2018-11-06T08:58:03.083875Z" gt="2018-11-06T09:10:03.0695797Z"> <n1:v>12761</n1:v> </hv> <hv ts="2018-11-06T09:13:03.5389214Z" gt="2018-11-06T09:19:03.5238805Z"> <n1:v>12761</n1:v> </hv> <hv ts="2018-11-06T09:22:03.9461503Z"> <n1:v>12761</n1:v> </hv> </vals> </hist> </getHistoryResult>