mbusClose (Function)

This function is used to close an M-Bus connection.

Input:

handle : SYSHANDLE

A handle to the connection to close.

Returns: INT

Declaration:

FUNCTION mbusClose : INT;
VAR_INPUT
  handle   : ACCESS SYSHANDLE;
END_VAR;

Example:

INCLUDE rtcu.inc
 
PROGRAM test;
VAR
  mb : SYSHANDLE;
  rc : INT;
END_VAR;
 
BEGIN
  ...
  // Open wired M-Bus interface
  rc := mbusOpen(handle := mb);
  ...
  // Close wired M-Bus interface
  rc := mbusClose(handle := mb);
  ...
END;
END_PROGRAM;