Omron CJ1W-SCU32 Operation Manual page 247

ST
System-defined variable
Name
_Port_isAvailable
User-defined variables (To be defined before or when creating a program)
Name
Trigger
LastTrigger
OperatingStart
Operating
InPort
RecvDat
RecvSize
RecvStringDat
Code
SerialRcv_instance
Device variables for CJ-series Unit (To be created on the I/O Map View
window after the unit configuration is created)
Name
Barcode_P2_NopRc
vCompleteSta
Program Example
//Detection of rising edge of trigger
IF ( (Trigger=TRUE) AND (LastTrigger=FALSE) AND (_Port_isAvailable=TRUE) AND (Barc
orde_P2_NopRcvCompleteSta =TRUE) AND (SerialRcv_instance.Busy=FALSE) ) THEN
OperatingStart:=TRUE;
Operating:=TRUE;
END_IF;
LastTrigger := Trigger;
//Communication parameters settings and SerialRcv instruction initialization
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Data Factory
type setting
BOOL --- Network Communications
Instruction Enabled Flag
Data type
BOOL False
BOOL False
BOOL False
BOOL False
_sPORT (UnitNo:=_CBU_No0
0, PhysicPortNo:=0)
ARRAY [0..12] OF [13(16#0)]
BYTE
UINT 0
STRING[255] ''
ULINT 0
SerialRcv ---
Fac-
Data
tory Address
type
setting
BOOL --- IOBus://rack#0/slot
#
0/P2_NopSta/P2_N
opRcvCompleteSta
Comments
This flag is TRUE when there
are internal logical ports
available, FALSE when there
is no internal logical port
available.
Allo-
cated
Factory setting
address
(AT)
---
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Comments
Port 2: Reception
Completed Flag
6 No-protocol Mode
Details
Details
Execution conditions
Trigger value of previ-
ous task period
Start processing
Processing
Port specification
Receive data
Receive data size
Bar code (string)
Bar code (integer)
---
Details
This flag is TRUE
when the receiving
is complete.
6-19
6