P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
935
Description of formal parameters
The table below list all formal parameters of the GET function.
Error identifiers
If it was not possible to execute a job, the failure is indicated by "logic 1" on status parameter error. The error
cause is coded at the block output State:
VAR_IN_OUT
RD1 : ANY ;
RD2 : ANY ;
RD3 : ANY ;
RD4 : ANY ;
RD5 : ANY ;
RD6 : ANY ;
RD7 : ANY ;
RD8 : ANY ;
END_VAR
Signal
Typ
e
Type Range of values Remark
Req I BOOL Job start with positive signal edge
NumVar I INT 1...8
(corresponds to use of
Addr1 to Addr8)
Number of variables to be read
Addr1 to Addr8 I ANY [DBName].[VarName] Variable identifiers from
NC Var selector
Unit1 to Unit8 I BYTE Area address, optional for variable
addressing
Column1 to
Column8
I WORD Column address, optional for
variable addressing
Line1 to Line8 I WORD Line address, optional for variable
addressing
Error A BOOL Negative acknowledgment of job
or execution of job impossible
NDR A BOOL Job successfully executed Data
are available
State A WORD See error identifiers
RD1 to RD8 I/O ANY P#Mm.n BYTE x...
P#DBnr.dbxm.n BYTE x
Target area for read data
State Significance Note
WORD H WORD L
1 ... 8 1 Access error In high byte number of Var in which
error occurred
0 2 Error in job Incorrect compilation of Var. in a job
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