Omron SYSMAC CP Series, Руководство пользователя

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4 Understanding Programming
4-10
CP2E CPU Unit Software User’s Manual(W614)
4-3-3 Function Block Specifications
Item Specifications
Defining and creat-
ing function blocks Number of function
block definitions 64 max.
Function block
names 3 2 characters max.
Variables Variable names 15,000 characters max.
Variable types Input variables (Inputs), output
variables (Outputs), internal vari-
ables (Internals), and external
variables (Externals)
Number of variables used in a
function block (not including
internal variables, external vari-
ables, EN, and EN0) Maximum number of variables
per function block definition
• Input-output variables: 16
max.
• Input var input-output
variables: 64 max.
• Output var input-out-
put variables: 64 max.
Allocation of addresses used by
variables Automatic allocation (The alloca-
tion range can be set by the
user.)
Actual address specification Supported
Array specifications Supported (one-dimensional
arrays only and only for internal
variables)
Language Function blocks can be created in ladder programming language or
structured text.
Creating instances Number of
instances 12 8 max.
Instance names 15,000 characters max.
FB Program Area E -type: 4K steps, S -type: 8 K steps, N -type: 10K steps
Storing function
blocks as files
Project files The project file (.cxp/cxt) Includes function block definitions and
instances.
Program symbol
files The file memory program file (*.obj) includes function block defini-
tions and instances.
Function block
library files Each function block definition can be stored as a single file (.cxf) for
reuse in other projects.