Programming the OPC UA client blocks
5.9 FB236 UA_WriteList
CP 443-1 OPC UA
102 Operating Instructions, 01/2017, C79000-G8976-C427-02
Figure 5-8 Call interface in FBD representation
Parameter - UA_WriteList
Block parameters
The following table explains the formal parameters of the program block.
Table 5- 16 Parameters of the block UA_WriteList
Execute IN BOOL 0, 1 A rising edge 0 → 1 at the parameter starts
Connection identifier supplied by UA_Connect
NodeHdlCount IN WORD 1 Number of elements in the target area to be
written to. The number of must be 1.
NodeHdls IN ARRAY of
DWORD
1 Array of the handles of the target nodes (items)
of the OPC UA server. The handles are read
from array of the output parameter "NodeHdls"
of the "UA_NodeGetHandleList" block.
NodeAddInfos IN ARRAY of
UDT
See “Meaning” Specifies the attribute of the items to be written
and the index range. For information on the
structure of the UDT, see UDT754
UANodeAdditionalInfo (Page 104).
Timeout IN TIME 5000 .. 120000 Maximum time for establishing the connection
in milliseconds. If the value is exceeded, pro-
cessing of the block is aborted with error num-
ber B0007001.
If a value is entered outside the permitted
range, the default value of 60000 (60 seconds)
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