mbusClose (Function)

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Architecture:

NX32L

Device support:

LX4,NX-400

Firmware version:

1.94.00


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

 

 

 

 

Input:

handle : SYSHANDLE

A handle to the connection to close.

 

Returns: INT

1

- Success

0

- Not supported

-1

- Invalid handle

 

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;