Parameter - Ua_Writelist - Siemens SIMATIC S7-400 Operating Instructions Manual

Programming the OPC UA client blocks
5.9 FB236 UA_WriteList
Call interface
Figure 5-8
5.9.2

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
Parameter Declaration
Execute IN
ConnectionHdl IN
NodeHdlCount IN
NodeHdls IN
NodeAddInfos IN
Timeout IN
102
Call interface in FBD representation
S7 data type Range of values
BOOL 0, 1
DWORD 1 .. 5
WORD 1
ARRAY of 1
DWORD
ARRAY of See "Meaning"
UDT
TIME 5000 .. 120000
Meaning
A rising edge 0 → 1 at the parameter starts
processing of the block.
Connection identifier supplied by UA_Connect
Number of elements in the target area to be
written to. The number of must be 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.
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).
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)
is used.
Operating Instructions, 01/2017, C79000-G8976-C427-02
CP 443-1 OPC UA