Handshake with PLC

Handshake communication with PLC is an essential feature of the RecipeHelper package. For a safe operation, the JavaScript code will execute a state machine with requests signals to PLC and waiting proper response signals. Only after a successful handshake the RecipeHelper will perform the below operations.

changing recipe
saving new data from PLC into recipe
activation on startup

Further Information

FB_PlcStateToHmi
Working with multiple clients
Startup state-machine
Save a recipe
Load a recipe
DataReqFailed and Reset