gwSuspend (Function)

Suspends the  RTCU Communication Hub communication.

This function, in combination with gwResume, can be used to control when the  RTCU Communication Hub connection should be active.

Input:        

None.

Returns: INT

Declaration:

FUNCTION gwSuspend : INT;

Example:

INCLUDE rtcu.inc
PROGRAM test;
VAR
  last_hour : SINT := -1;
  clock     : clockGet;
END_VAR;
// Turn on power to the GSM module
gsmPower(power := TRUE);
gprsOpen(); 
// Suspend connection
gwSuspend();
BEGIN
   clock();
   // Once every hour
   IF clock.Hour <> last_hour THEN
      last_hour := clock.hour;
      // Connect for 5 minutes
      gwResume(time:=5*60);
   END_IF;
    
   Sleep(delay:=5000);
END;
END_PROGRAM;