Siemens SINUMERIK 840D sl Function Manual page 65

Note
● The bindings
● If an attempt is made to access an I/O range which is not configured (or not configured
Extended Functions
Function Manual, 09/2009, 6FC5397-1BP20-0BA0
CCDataOpi: getDataFromDpIoRangeIn() or
CCDataOpi: putDataToDpIoRangeOut()
monitor during the read/write accesses the adherence to the limits of the respective I/O
range configured at the NCK and PLC-side. Access to data/data ranges, which do not lie
completely within the configured I/O range limits, are rejected by returning the
enumerator CCDATASTATUS_RANGE_LENGTH_LIMIT.
for the compile cycle), it is notified by means of the return-enumerator
CCDATASTATUS_RANGE_NOT_AVAILABLE.
NOTICE
The compile cycle programmer himself is responsible for the correct use of the CC-
bindings! It must be noted that the additional performance requirement needed for
providing the data of the configured I/O ranges at the Servo-task level, does not lead to
a Servo-level computing time overflow.
See the OEM documents for more information about the use of these bindings.
A4: Digital and analog NCK I/Os
1.3 NCK I/O via PROFIBUS - only 840D sl
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