FB_SoEReadDiagMessage
The functionblock FB_SoEReadDiagMessage can be used to read the diagnose message as a Sercos-String (S-0-0095).
VAR_INPUT
VAR_INPUT
sNetId : T_AmsNetId := '';
bExecute : BOOL;
tTimeout : TIME := DEFAULT_ADS_TIMEOUT;
END_VAR
sNetId: A string containing the AMS network identifier of the PC.
bExecute: The block is activated by a rising edge at this input.
tTimeout: Maximum time allowed for the execution of the function block.
VAR_IN_OUT
VAR_IN_OUT
Axis : NCTOPLC_AXLESTRUCT;(* reference to NC axis *)
END_VAR
Axis: Axis structure.
VAR_OUTPUT
VAR_OUTPUT
bBusy : BOOL;
bError : BOOL;
iAdsErrId : UINT;
iSercosErrId : UINT;
sDiagMessage : ST_SoE_String;
dwAttribute : DWORD;
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.
iAdsErrId: Supplies the ADS error code associated with the most recently executed command if the bError output is set.
iSercosErrId: Supplies the Sercos error code associated with the most recently executed command if the bError output is set.
dwAttribute: Supplies the Sercos parameter attribute.
sDiagMessage: Supplies the diagnostic message.
Sample
fbDiagMessage : FB_SoEReadDiagMessage;
bDiagMessage : BOOL;
sDiagMessage : ST_SoE_String;
(* NcAxis *)
stNcToPlc AT %I* : NCTOPLC_AXLESTRUCT;
IF bDiagMessage THEN
fbDiagMessage(
Axis := stNcToPlc,
bExecute := TRUE,
tTimeout := DEFAULT_ADS_TIMEOUT,
sDiagMessage=> sDiagMessage
);
IF NOT fbDiagMessage.bBusy THEN
fbDiagMessage(Axis := stNcToPlc, bExecute := FALSE);
bDiagMessage := FALSE;
END_IF
END_IF