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

Programming the OPC UA client blocks
5.5 FB232 UA_NodeGetHandleList
Call interface
Figure 5-4
5.5.2

Parameter - UA_NodeGetHandleList

Block parameters
The following table explains the formal parameters of the program block.
Table 5- 5 Parameters of the block UA_NodeGetHandleList
Parameter Declaration
Execute IN
ConnectionHdl IN
NodeIDCount IN
NodeIDs IN
Timeout IN
90
Call interface in FBD representation
S7 data type Range of values
BOOL 0, 1
DWORD 1 .. 5
WORD 1
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 data area von "No-
deIDs". The number of must be 1.
Structure of the parameters of the target node
of the OPC server.
The number of nodeIDs (1) must be identical to
the number at the output parameter "Node-
Hdls".
For information on the structure of the UDT,
refer to section UDT753 UANodeID (Page 92).
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