DCP_Identify (FB)

FUNCTION_BLOCK DCP_Identify

The Identify service can be used to discover Profinet devices on the network.

It can be optionally applied with a filter.

Example

PROGRAM PLC_PRG
VAR
    scan : ProfinetCommon.DCP_Identify;
    device : ProfinetCommon.DCP_DeviceData;
    i : DINT;
    dcpSet : ProfinetCommon.DCP_Set;
END_VAR

scan.ControllerID := PN_Controller.MasterID;
scan();
IF(scan.xDone) THEN
    FOR i := 0 TO scan.DetectedDevices.Count - 1 DO
        device := scan.DetectedDevices.Get(i);
        IF(device.StationName = 'hello')THEN
            //for testing we just change the IP
            dcpSet.xExecute := TRUE;
            dcpSet.ControllerID := PN_Controller.MasterID;
            dcpSet.MAC := device.MAC;
            dcpSet.Data.Options.IPSettings := TRUE;
            dcpSet.Data.IPSettings := device.IPSettings;
            dcpSet.Data.IPSettings.IPAddress[3] := 123;
        END_IF
    END_FOR
END_IF
dcpSet();

InOut:

Scope	Name	Type	Initial	Comment
Input	xExecute	BOOL		Rising edge: Start Operation DCP-Identify
	ControllerID	BYTE		The ID of the Controller/Supervisor
	Mode	DCP_FilterMode	DCP_FilterMode.All	Either detect all devices, or use filter
	Filter	DCP_FilterData		DCP attributes used for filtering
Output	xDone	BOOL		Action successfully completed
	xBusy	BOOL		Function block active
	xError	BOOL		TRUE: error occurred, function block aborts action FALSE: no error
	ErrorCode	DCP_Error		Service failed
	DetectedDevices	ListOfDevices		List of discovered devices