201
Index
A
addresses
allocation areas
, 42
checking internal allocations, 104
setting allocation areas
, 102
algorithm
creating
, 87
applications
precautions
, xxiii
array settings
, 20, 38, 59, 89
AT settings
, 19, 38, 89
restrictions
, 51
automatically generating function block definitions
, 92
C
compiling, 107
D
data types, 19, 37
determining
, 56
debugging function blocks
, 113
differentiation
restrictions
, 51
E
errors
function blocks
, 55
external variables
, 37
externals
, 19
F
features, 4
files
function block definitions
, 112
library, 8
project text files
, 8
function block definitions
, 13
checking for an instance
, 106
compiling
, 107
creating
, 82
saving to files
, 112
function blocks
advantages
, 12
application guidelines, 56
creating
, 23
debugging
, 113
defining, 85
elements
, 31
errors
, 55
monitoring, 113
operating specifications
, 49
outline
, 11
restrictions, 51
reusing
, 24
setting parameters
, 99
specifications, 6, 7, 30
structure
, 13
functions
, 4
function blocks
, 6, 7
restrictions, 5
G
global symbol table, 18
I
IEC 61131-3, 4, 7
input variables
, 32
input-output variables
, 35
inputs
, 19
instance areas
, 21, 42
setting, 21, 102
instances
creating
, 23, 97
multiple
, 46
number of, 14
outline
, 14
registering in global symbol table
, 18
specifications
, 42
internal variables
, 35
internals
, 19
L
ladder programming
function block definition
, 84
restrictions in function blocks
, 51
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