FB_EcGetAllCrcErrors

VAR_INPUT

VAR_INPUT
    sNetId        : T_AmsNetId;
    pCrcErrorBuf  : POINTER TO ARRAY[0..EC_MAX_SLAVES] OF DWORD;
    cbBufLen      : UDINT;    
    bExecute      : BOOL; 
    tTimeout      : TIME := DEFAULT_ADS_TIMEOUT; 
END_VAR

sNetId: This is a string that contains the AMS network identifier of the EtherCAT master device.

pCrcErrorBuf : The address of an array of DWORDs into which the CRC error counter is to be written.

cbBufLen:The maximum available buffer size for the data to be read, in bytes.

bExecute: The block is activated by a rising edge at this input.

tTimeout: Maximum time allowed for the execution of the function block.

VAR_OUTPUT

VAR_OUTPUT
    bBusy       : BOOL;
    bError      : BOOL;
    nErrId      : UDINT;
    nSlaves     : UINT;
END_VAR

bBusy: This output is set when the function block is activated and remains set until an acknowledgement is received.

bError: This output is set up after the bBusy output has been reset if there has been an error in transmission of the command.

nErrId: Supplies the ADS error code associated with the most recently executed command if the bError output is set.

nSlaves: The number of slaves connected to the master.

Example of an implementation in ST:

PROGRAM TEST_GetAllSlaveCrcErrors
VAR
    fbGetAllSlaveCrcErrors  : FB_EcGetAllSlaveCrcErrors;
    sNetId          : T_AmsNetId := '172.16.2.131.2.1';
    bExecute        : BOOL;
    crcErrors       : ARRAY[0..255] OF DWORD;
    nSlaves         : UINT := 0;
    bError          : BOOL;
    nErrId          : UDINT;
END_VAR

fbGetAllSlaveCrcErrors(sNetId:= sNetId, pCrcErrorBuf := ADR(crcErrors), cbBufLen:= SIZEOF(crcErrors), bExecute:=bExecute);
nSlaves:=fbGetAllSlaveCrcErrors.nSlaves;
bError:=fbGetAllSlaveCrcErrors.bError;
nErrId:=fbGetAllSlaveCrcErrors.nErrId;

Requirements