FB_EcGetConfSlaves

VAR_INPUT

VAR_INPUT
    sNetId               : T_AmsNetId; 
    pArrEcConfSlaveInfo  : POINTER TO ARRAY[0..EC_MAX_SLAVES] OF ST_EcSlaveConfigData;
    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.

pArrEcConfSlaveInfo : The address (pointer) of the receive buffer. Receive buffer is a array of struct with type ST_EcSlaveConfigData with the data of each configured slave.

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;
ND_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: Returns the number of configured slaves.

Requirements