Beckhoff JSON offers a powerful and flexible way to exchange data in industrial automation applications. By leveraging the advantages of JSON, Beckhoff's automation products, such as TwinCAT 3, can efficiently communicate with other components of the control system, enabling a wide range of applications, from smart manufacturing to industrial IoT and condition monitoring. As the industrial automation landscape continues to evolve, the use of JSON is likely to play an increasingly important role in enabling seamless communication and data exchange between different systems and devices.
| Function Block | Purpose | | --- | --- | | FB_JsonReadValues | Reads values from a JSON string into PLC variables. | | FB_JsonWriteValues | Writes PLC variables into a JSON string. | | FB_JsonSaxReader | Stream parsing for large JSON files (SAX style). | | FB_JsonDomReader | Parses the entire JSON into a Document Object Model (DOM). | beckhoff json
PROGRAM MAIN VAR jsonWriter : FB_JsonWriter; jsonReader : FB_JsonReader; myData : ST_ProductionData := (temperature := 75.5, status := 'OK', id := 101); jsonString : T_MaxString (255); bWriteDone : BOOL; bReadDone : BOOL; error : BOOL; END_VAR Beckhoff JSON offers a powerful and flexible way