have been updated to accommodate the proposed use of packages
for Library Management.
has been updated to accommodate the proposed use of Simple EC States, ECCs,
and FB Types.
<?xml version="1.0" encoding="UTF-8"?>
headers from DTDs. This header is not required by the DTD syntax and
is interpreted as an error by some XML parsers.
DUPLICATE_OBJECT, INVALID_DST, NULL_POINTER,
have been added to the list of
attribute values in
2018-01-24: To accommodate the proposed use of Transient EC States,
been modified to allow ECCs containing zero or more EC Transitions.
Basic FB Types developed with earlier versions of this DTD
are forward-compatible with this DTD.
2017-11-15: A question mark
has been added to the end of the list of contents options in the
in order to avoid a conflict with the semantics of the
actions as defined in Table
6.5-1 of the Compliance Profile.
has been updated as follows, in anticipation of corresponding
changes in IEC 61499-2, 2nd Edition:.
x,yparameters have been added to
Algorithms now have the possibility to have
VarDeclarations of temporary variables.
Applications now contain
SubAppNetworks instead of
- It is now possible to declare (network)
- An optional
CompilerInfosub-element has been added to the
- CDATA sections may now be used to represent the text of
Otherlanguages, and the
Expressionportion of LD
element has been added to
for use in READ/WRITE operations, in anticipation of the
corresponding change in the 2nd Edition of IEC 61499-1.
has been updated as follows:
RESEThas been added to the list of enumerated values for the
Request.Action attribute. This action is present in Figure 24 of IEC 61499-1, but was missing in Table 8 (this will be corrected in the next Edition of 61499-1).
- The list of enumerated values of the
FBStatus.Statusattribute has been changed from
(IDLE|RUNNING|STOPPED|KILLED)for consistency with Figure 24 of IEC 61499-1 The previous list was from a very early Industry Technical Agreement (ITA) and was rarely if ever implemented.
has been updated to correct an error in the definition of the
element. XML files of IEC 61499 system configurations
produced by previous versions of the FBDK prior to
this update may not comply with these DTDs. The XMLChecker application can be used to check
for this compliance.