Programming the OPC UA client blocks
5.8 FB235 UA_ReadList
CP 443-1 OPC UA
100 Operating Instructions, 01/2017, C79000-G8976-C427-02
MemArea WORD See “Meaning” Memory area
Enter either the number of a DB or a
memory area. If you specify a memory area,
enter a zero in "DB_Number".
For the range of values of the memory area
see below, table "Coding of the memory
ByteOffset WORD Depends on the
memory area, see
Byte offset in the specified memory area, as
of which the data is accessed.
Bit offset in the specified memory area
The following table explains the coding of the data type in the "DataType" parameter of the
UDT UAAnyPointer.
Table 5- 13 Coding of the data type
Floating-point number (32 bits)
b#16#0A TIME_OF_DAY (TOD) Time of day
b#16#0E DATE_AND_TIME
Date and time (64 bits)
The string uses the lower-level data type BYTE. Refer to the special features in the section
Data types (Page 40).
The following table explains the coding of the memory area in the "MemArea" parameter of
the UDT UAAnyPointer.