Parameter - Ua_Disconnect; Fb235 Ua_Readlist; Function And Call Interface - Ua_Readlist - Siemens SIMATIC S7-400 Operating Instructions Manual

5.7.2

Parameter - UA_Disconnect

Block parameters
The following table explains the formal parameters of the program block.
Table 5- 8 Parameters of the block UA_Disconnect
Parameter Declaration
Execute IN
ConnectionHdl IN
Timeout IN
Done OUT
Busy OUT
Error OUT
ErrorID OUT
5.8

FB235 UA_ReadList

5.8.1

Function and call interface - UA_ReadList

Function of the block
With the block you read data from the connected UA server.
CP 443-1 OPC UA
Operating Instructions, 01/2017, C79000-G8976-C427-02
S7 data type Range of values
BOOL 0, 1
DWORD 1 .. 5
TIME 5000 .. 120000
BOOL 0, 1
BOOL 0, 1
BOOL 0, 1
DWORD See "Meaning"
Programming the OPC UA client blocks
5.8 FB235 UA_ReadList
Meaning
A rising edge 0 → 1 at the parameter starts
processing of the block.
Connection identifier supplied by UA_Connect
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.
Status parameter for block processing
0: Block execution aborted, not yet complet-
•
ed or not yet started
1: Block processing completed without er-
•
rors
Status parameter for block processing
0: Block not being processed
•
1: Block currently executing
•
Error code
0: No error
•
1: An error has occurred. See "" parameter
•
"ErrorID".
Output of the error number when "Error" = 1.
For the significance of the numbers, refer to the
section Error numbers (Page 107).
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