Cipread - Omron NY532-5400 Reference Manual

CIPRead

The CIPRead instruction uses a class 3 explicit message to read the value of a variable in another Con-
troller on a CIP network.
Instruction Name
CIPRead Read Variable
Class 3 Explicit
Variables
Name Meaning
Handle Handle
SrcDat Source vari-
able name
Size Number of
elements to
read
DstDat Read data
RcvSize Read data
size
* The range is 0 to 1,988 for NX1P2 and NJ-series CPU Units.
Bit strings
Handle
SrcDat
Size
DstDat OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK
An enumeration, array, structure, structure member, or union member can also be specified.*
RcvSize
* You cannot specify a STRING array.
NY-series Instructions Reference Manual (W560)
FB/
Graphic expression
FUN
FB
CIPRead_instance
Execute
Handle
SrcDat
Size
DstDat
I/O Description
Handle obtained with CIPOpen
or CIPOpenWithDataSize
instruction
Name of variable to read in
Input
other Controller
Number of elements to read
In-out Read data value
Output Read data size
Integers
Refer to Function for details on the structure _sCIP_HANDLE.
OK
OK
2 Instruction Descriptions
CIPRead_instance(Execute,
Handle, SrcDat, Size, DstDat,
CIPRead
Done, Busy, Error, ErrorID,
Done
ErrorIDEx, RcvSize);
Busy
Error
ErrorID
ErrorIDEx
RcvSize
Valid range
---
Depends on data
type.
0 to 8,186*
Depends on data
type.
0 to 8,186*
ST expression
Unit Default
---
''
---
1
--- ---
Bytes ---
Times, durations, dates,
and text strings
OK
2-1003
2