Siemens Simatic S7-400

Programming the OPC UA client blocks
5.9 FB236 UA_WriteList
CP 443-1 OPC UA
104 Operating Instructions, 01/2017, C79000-G8976-C427-02
5.9.3
UDT754 UANodeAdditionalInfo
UANodeAdditionalInfo
Specifies the attribute of the item and the index range for the block parameter
"NodeAddInfos".
Table 5- 17 Parameters of UDT UANodeAdditionalInfo
Parameter
S7 data type
Range of values
Meaning
AttributeID WORD 13 Attribute of the items Only attribute 13
(UAAI_Value) for the value of the item is
supported.
IndexRangeCount WORD 0 .. 1 Number of index ranges
The value is unimportant with elementary
data types.
For items data type ARRAY the following
applies:
• 0: A single index The entire array is
read/written
• 1: A subsection of an array defined by
"IndexRange".
IndexRange UDT See “Meaning” Area of the array for the parameter In-
dexRangeCount. For information on the
structure of the UDT, see UDT755
UAIndexRange (Page 104).
5.9.4
UDT755 UAIndexRange
UAIndexRange
Specifies the start and end index for the block parameter "IndexRange”.
Table 5- 18 Parameters of UDT UAIndexRange
Parameter
Data type
Range of
values
Meaning
StartIndex
WORD
0 .. 65535
Index as of which reading will take place.
EndIndex
WORD
0 .. 65535
Index up to which reading will take place.