Technical data

SINAUT TD7 software package for the CPU
2.5 Data point typicals
Software
286 System Manual, 07/2009, C79000-G8976-C222-07
Data type BOOL
Default: TRUE
Explanation Send all data with every transmission.
Range of
values:
TRUE or FALSE
Here, you specify whether the FB will transfer or data of the area defined
with DataInput or only changed data. The transmission can be triggered by
the activated change check (SendOnChange = TRUE) or by TriggerInput.
• SendAll = TRUE always send all data
• SendAll = FALSE send only changed data
– Exception:
If a transmission is triggered over TriggerInput, and no data has
changed at this point in time, the entire area is transmitted (in this
exceptional situations, corresponds to SendAll = TRUE).
If no parameter is specified, the default TRUE applies; in other words, the
entire area is always transmitted.
Note
When only the changed data area is transmitted (SendAll = FALSE), this area consists of the
first and the last double word in which a change was detected and all words located in
between, even if these have not changed.
Example:
The area to be read is 10 double words long. In this case, changes were detected in the 2nd,
5th and 8th double words. The transmitted area is therefore from the 2nd to the 8th double
word inclusive.
Note
If there is a single request for this data object or within the framework of a general request,
all data words of the area defined by DataInput are always transmitted.
Name: DataInput
Declaration: INPUT
Data type ANY
Default: P#P 0.0 VOID 0 (null pointer)
Explanation Data input area.