Programming the OPC UA client blocks
5.8 FB235 UA_ReadList
CP 443-1 OPC UA
Operating Instructions, 01/2017, C79000-G8976-C427-02
95
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
Execute IN BOOL 0, 1 A rising edge 0 → 1 at the parameter starts
Connection identifier supplied by UA_Connect
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)
Done OUT BOOL 0, 1 Status parameter for block processing
• 0: Block execution aborted, not yet complet-
ed or not yet started
• 1: Block processing completed without er-
rors
Busy OUT BOOL 0, 1 Status parameter for block processing
• 0: Block not being processed
• 1: Block currently executing
Error OUT BOOL 0, 1 Error code
• 0: No error
• 1: An error has occurred. See "" parameter
"ErrorID".
ErrorID OUT DWORD See “Meaning” Output of the error number when "Error" = 1.
For the significance of the numbers, refer to the
section Error numbers (Page 107).
Function and call interface - UA_ReadList
Function of the block
With the block you read data from the connected UA server.
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