State Machine API

The State Machine module is the core of the logic processing in PyAutomation. It allows you to define sequential logic, control loops, and data acquisition tasks.

Key Classes

• Machine: The manager singleton that handles the lifecycle of all state machines.
• AutomationStateMachine: The base class for user-defined logic.
• DAQ: A specialized state machine for Data Acquisition.
• OPCUAServer: A state machine that manages an embedded OPC UA Server.

Creating a Custom State Machine

To create your own logic, inherit from AutomationStateMachine and define your states and transitions.

from automation import AutomationStateMachine, State

class MyProcess(AutomationStateMachine):

    # Define States
    idle = State('idle', initial=True)
    processing = State('processing')

    # Define Transitions
    start_process = idle.to(processing)
    finish_process = processing.to(idle)

    def while_processing(self):
        # Your logic here
        pass