MTS Sensors Temposonics Powerlink V2 R Series, Руководство по эксплуатации

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Temposonics
®
R-Series Powerlink V2
Operation Manual
I 45 I
8.5 Program executed by PLC cyclically
This program implements the state machine and accesses the
LossSoC threshold of R-Series Powerlink (source code below).
Source code “SdoAccessCyclic.c”
/********************************************************************
* COPYRIGHT --
********************************************************************
* Program: SdoAccess
* File: SdoAccessCyclic.c
* Author: SSchumacher
* Created: November 18, 2014
********************************************************************
* Implementation of program SdoAccess
********************************************************************/
#include <bur/plctypes.h>
#ifdef _DEFAULT_INCLUDES
#include <AsDefault.h>
#endif
void _CYCLIC SdoAccessCyclic( void )
{
if (fbSdoRead.status != ERR_FUB_BUSY && fbSdoWrite.status != ERR_FUB_BUSY)
{
//currently there is no SDO operation in progress
//initiate SDO operation
switch (iState)
{
case STATE_READ_INITIAL_VALUE:
fbSdoRead.pDevice = “SS1.IF1”; //interface sensor is connected to
fbSdoRead.node = 1; //node id of sensor
fbSdoRead.index = 0x1c0b; //index of LossSoC Threshold
fbSdoRead.subindex = 3; //subindex of LossSoC Threshold
fbSdoRead.pData = &u32LossSocThrInitialValue; //variable to store value to
fbSdoRead.datalen = sizeof(u32LossSocThrInitialValue); //size of the variable to store value to
fbSdoRead.enable = 1; //enable the read operation
fbSdoWrite.enable = 0; //disable write operation
//go to next step
+;
break ;
case STATE_WRITE_NEW_VALUE:
fbSdoWrite.pDevice = “SS1.IF1”; //interface sensor is connected to
fbSdoWrite.node = 1; //node id of sensor
fbSdoWrite.index = 0x1c0b; //index of LossSoC Threshold
fbSdoWrite.subindex = 3; //subindex of LossSoC Threshold
fbSdoWrite.pData = &u32LossSocThrToSet; //variable containing value to set
fbSdoWrite.datalen = sizeof(u32LossSocThrToSet); //size of the variable containing value to set
fbSdoWrite.enable = 1; //enable write operation
fbSdoRead.enable = 0; //disable read operation
//go to next step
+;
break ;
case STATE_READ_CHANGED_VALUE:
fbSdoRead.pDevice = “SS1.IF1”; //interface sensor is connected to
fbSdoRead.node = 1; //node id of sensor
fbSdoRead.index = 0x1c0b; //index of LossSoC Threshold
fbSdoRead.subindex = 3; //subindex of LossSoC Threshold
fbSdoRead.pData = &u32LossSocThrChangedValue; //variable to store value to
fbSdoRead.datalen = sizeof(u32LossSocThrChangedValue); //size of the variable to store value to
fbSdoRead.enable = 1; //enable the read operation
fbSdoWrite.enable = 0; //disable write operation
//go to next step
+;
break ;
default :
fbSdoRead.enable = 0; //disable read operation
fbSdoWrite.enable = 0; //disable write operation
break ;
}
}
//execute SDO read if enabled
EplSDORead(&fbSdoRead);
//execute SDO write if enabled
EplSDOWrite(&fbSdoWrite);
}