Omron NX102-12 Series - Page 373

Stage :=INT#3; // Normal end
ELSIF (SktUDPSend_instance.Error=TRUE) THEN
Stage :=INT#20; // Error end
END_IF;
3 : // Receive request
SktUDPRcv_instance(
Execute :=TRUE,
Socket :=WkSocket, // Socket
TimeOut :=UINT#0, // Timeout value
Size :=UINT#2000, // Receive data size
RcvDat :=RcvSocketDat[0]); // Receive data
IF (SktUDPRcv_instance.Done=TRUE) THEN
Stage :=INT#4; // Normal end
ELSIF (SktUDPRcv_instance.Error=TRUE) THEN
Stage :=INT#30; // Error end
END_IF;
4 : // Requestto close the s
ocket
SktClose_instance(
Execute :=TRUE,
Socket :=WkSocket); // Socket
IF (SktClose_instance.Done=TRUE) THEN
Stage :=INT#0; // Normal end
ELSIF (SktClose_instance.Error=TRUE) THEN
Stage :=INT#40; // Error end
END_IF;
0 : // Normal end
DoSendAndRcv :=FALSE;
Trigger :=FALSE;
ELSE // Interrupted by error.
DoSendAndRcv :=FALSE;
Trigger :=FALSE;
END_CASE;
END_IF;
Remote Node Programming
The processing procedure at the remote node is as follows:
1 The SktUDPCreate instruction is used to make a request to create a UDP socket.
9 Socket Service
9-19
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User’s Manual (W506)
9-6 Details on Using the Socket Services
9
9-6-4 UDP Sample Programming