Preface
Extended Functions
6 Function Manual, 03/2013, 6FC5397-1BP40-3BA1
Note
Signal address
The description of functions include as <signal address> of an NC/PLC interface signal, only
the address valid for SINUMERIK 840D sl. The signal address for SINUMERIK 828D should
be taken from the data lists "Signals to/from ..." at the end of the particular description of
functions.
Quantity structure
Explanations concerning the NC/PLC interface are based on the absolute maximum number
of sequential components:
● Mode groups (DB11)
● Channels (DB21, etc.)
● Axes/spindles (DB31, etc.)
Data types
The control provides the following data types that can be used for programming in part
programs:
Type Meaning Range of values
INT Signed integers -2.147.483.648 ... +2.147.483.647
REAL Numbers with decimal point ≈ ±5,0*10
-324
… ≈ ±1,7*10
+308
BOOL Boolean values TRUE (≠0) , FALSE (0)
CHAR ASCII characters and bytes 0 ... 255 or -128 ... 127
STRING Character string, null-terminated Maximum of 400 characters + /0
(no special characters)
AXIS Axis names All axis names available in the control
system
FRAME Geometrical parameters for moving, rotating, scaling, and
mirroring
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Note
Arrays can only be formed from similar elementary data types. Up to 3-dimensional arrays are possible.
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