SEW-Eurodrive IPOS plus - Page 110

110
Manual – IPOSplus®
9
Synchronous operation with a DRS option card
IPOSplus
®
and Synchronized Motion
Sample program
with IPOS
plus®
Compiler
/*==================================================================
IPOS source file
==================================================================*/
#include <const.h>
#include <io.h>
/*----- Define inputs --------------------------------------*/
#define E_Free running DI10 // Input DI10
#define E_Set zero point DI11 // Input DI11
/*----- Define outputs --------------------------------------*/
#define A_DRS_OUTP0 0 // Output DRS X40:9
/*----- Define control bits in IPOS control word ---------------*/
#define _DRS_Set zero point 22 // Bit 22
*===================================================================
Subprograms
==================================================================*/
Free running_On()
{
/* Free running is activated over the external jumper between X40:9 and X40:0
by setting the output X40:9. */
_BitSet( DRS_Ctrl, A_DRS_OUTP0 );
}
/*================================================================*/
Free running_Off()
{
/* Free running is deactivated over the external jumper between X40:9 and X40:0
by deleting the output X40:9. */
_BitSet( DRS_Ctrl, A_DRS_OUTP0 );
}
/*================================================================*/
DRS_Zero point()
{
_BitSet( ControlWord, _DRS_SetZeroPoint );
// Set zero point via control word
_Wait( 15 ); // Response time in ms
_BitClear( ControlWord, _DRS_Set zero point ); // Delete bit
}
/*==================================================================
Main function (IPOS initial function)
==================================================================*/
main()
{
if( E_Free running ) // E_FreeRunning input (here DI10)
Free running_On(); // Switches between
else // Free running and synchronous operation
°°Free running_Off();
if( E_Set zero point ) // The function "Set zero point"
DRS_zero point(); // is called
}
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