5.3.1.20.4.2. cli.com.modbus_com.ModbusProcess

class cli.com.modbus_com.ModbusProcess(name: str, control: ComControl, parameter: ModbusParameter)

Background process that owns a ModbusTcpClient and executes commands.

The process:

• Connects to a Modbus TCP server.

• Pulls commands from the input queue.

• Executes the appropriate pymodbus method based on ‘code’.

• Pushes results (including ‘values’) onto the output queue.

__init__(name: str, control: ComControl, parameter: ModbusParameter) → None

Initialize the Modbus process.

Parameters:

• name (str) – Process name (used for logging).

• control (ComControl) – Inter-process control and queues.

• parameter (ModbusParameter) – Modbus TCP configuration parameters.

Methods

__init__(name, control, parameter)	Initialize the Modbus process.
close()	Close the Process object.
is_alive()	Return whether process is alive
join([timeout])	Wait until child process terminates
kill()	Terminate process; sends SIGKILL signal or uses TerminateProcess()
run()	Process entry point.
shutdown()	Signals the process to shut down by setting the shutdown event.
start()	Start child process
terminate()	Terminate process; sends SIGTERM signal or uses TerminateProcess()

Attributes

authkey
daemon	Return whether process is a daemon
exitcode	Return exit code of process or None if it has yet to stop
ident	Return identifier (PID) of process or None if it has yet to start
name
pid	Return identifier (PID) of process or None if it has yet to start
sentinel	Return a file descriptor (Unix) or handle (Windows) suitable for waiting for process termination.
control
parameter