Omron NX502-1 Series - Page 50

Inter-
nal
varia-
ble
Name Data type Initial value Comment
State SINT 0 Sample programming status
InDNetAdr _sDNET_ADR NetNo:=0, NodeNo:=0,
UnitNo:=16#0
Network address at send desti-
nation
InOption _sRESPONSE isNonResp:=FALSE,
T
imeOut:=0, Retry:=0
Response
SrcDat
ARRAY [0..1] OF
WORD
[2(16#0)] Send data
DstDat ARRAY [0..1] OF
WORD
[2(16#0)] Receive data
SendInstance Send Send instance
RcvInstance Rcv Rcv instance
External variable Name Data type Comment
_Port_isAvailable BOOL Network Communications Instruction Enabled Flag
IF ( (Trigger=TRUE) AND (DoFinsTrigger=FALSE) AND (_Port_isAvailable=TRUE) ) THEN
State:= 1;
DoFinsTrigger:=TRUE;
SendExecute := FALSE; // Send execution status
RcvExecute := FALSE; // Rcv execution status
InDNetAdr.NetNo :=USINT#0; // Set network address.
InDNetAdr.NodeNo :=USINT#2;
InDNetAdr.UnitNo :=BYTE#16#0;
InOption.isNonResp :=FALSE; // Set
InOption.TimeOut :=UINT#20;
InOption.Retry :=USINT#2;
SrcDat[0] :=WORD#16#1234; // Set command array.
SrcDat[1] :=WORD#16#5678;
END_IF;
IF (DoFinsTrigger=TRUE) THEN
SendInstance( Execute := SendExecute,
DstNetAdr := InDNetAdr,
CommPort := _NONE,
SrcDat := SrcDat[0],
SendSize := 2,
DstArea := _DM,
DstCh := 100,
Option := InOption);
RcvInstance ( Execute := RcvExecute,
SrcNetAdr := InDNetAdr,
CommPort := _NONE,
SrcArea := _DM,
3 Client Function
3-12
NX-series CPU Unit FINS Function User's Manual (W596)