P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
936
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
Configuration steps
Proceed as follows to read NC variables:
• Select variables with the NC VAR selector.
• Save selected variables in a *.VAR file
• Generate a STEP 7 *.STL source file.
• Generate a DB with the associated address data.
• Enter the symbol for the generated DB in the symbol table so that it is possible to access the address
parameters symbolically in the user program.
• Set FB2 parameters
0
3
Negative acknowledgment, job
not executable
Internal error, try:
NC RESET
1 ... 8
4
Insufficient local user memory
available
Read var. is longer than specified in
RD1 to RD8; in high byte number of
var, in which error occurred
0
5
Format conversion error
Error on conversion of var. type
double: Var. is not within S7 REAL
area
0
6
FIFO full
Job must be repeated since queue is
full
0
7
Option not set
BP parameter "NCKomm" is not set
1 ... 8
8
Incorrect target area (RD)
RD1 to RD8 may not be local data
0
9
Transmission occupied
Job must be repeated
1 ... 8
10
Error in variable addressing
Unit or column/line contains value 0
0
11
Address of variable invalid
Check Addr (or variable name), area,
unit
0
12
NumVar = 0
Check parameter NumVar
1 ... 8
13 (0x0d)
ANY data reference incorrect
NcVar date required has not been
parameterized
State
Significance
Note
WORD H
WORD L
