Chapter 7 Function Block and Library Data types supported by internal function block local symbols : *1. Please refer to section 7.2.4 for more information about POINTER, T_POINTER, C_POINTER, and HC_POINTER. *2. The LWORD, LINT and LREAL data types are not supported by the function blocks in AS series CPU modules. Memory configuration of a function block *. Please refer to sections 7.2.5~7.2.7 for more information about function block instances and the assignment of memories.
7-7 Model Description Types AH/AS BOOL, WORD, DWORD, LWORD(*2), INT, DINT, LINT(*2), REAL, LREAL(*2), ARRAY, STRING, POINTER(*1), T POINTER(*1), C POINTER(*1), HC POINTER(*1), function _ _ _ block(FB) types, user-defined types DVP BOOL, WORD, DWORD, , REAL, ARRAY, STEP, TIMER, and COUNTER AS5xx/ DVPxxMC BOOL, BYTE, WORD, DWORD,LWORD, SINT, INT, DINT, LINT, USINT, UINT, UDINT, ULINT, REAL, LREAL, ARRAY, STRING, TIME, DATE, TOD,DT, function block (FB) types, user-defined types Model Description Types AH/AS When the symbols whose data type is a function block, and the local symbols created in a function block are declared, users can not assign device addresses to them.
The system will automatically assign memories reserved by the CPU module. DVP Every symbol whose data type is a function block is assigned a P device. Besides, the system automatically assigns devices in the PLC to the local symbols in a function block instance according to the data types of the local symbols. AS5xx/ DVPxxMC When declaring symbol variables as function block types (FB instance)as well as local symbols created in function blocks, both cannot assign device address by themselves, the system will auto-configure a reserved memory section in the host.