Delta AS Series Programming Manual page 243

A S S er i es Pr og r am m ing M an u a l
System-defined operands
•
The system assigns the variables to declare such as BOOL, WORD, INT and so on: U0–U16387 and W0–
W29999.
•
To start or stop a task use the TK0–TK31 instructions.
The following table lists the pointer type variable symbols, the supporting devices and usage.
Pointer type
General pointer
(Pointer)
_4
Pointer for a timer
(T_POINTER)
Pointer for a counter
(C_POINTER)
Pointer for a high-
speed counter
(HC_POINTER)
4 - 6
PR0–PR15，PR0.0–PR15.15
Device range
Maximum quantity Use up to 16 pointers in each function block
Variable symbols of WORD/DWORD/LWORD/INT/DINT/LINT
types or data register, input relay or output relay devices
Can be assigned to
(e.g. X0, Y0, etc.)
Device range TR0–TR7
Maximum quantity Use up to 8 pointers in each function block
Can be assigned to Variable symbols of timer type or timer type devices
Device range CR0–CR7
Maximum quantity Use up to 8 pointers in each function block
Can be assigned to Variable symbols of counter type or counter type devices
Device range HCR0–HCR7
Maximum quantity Use up to 8 pointers in each function block
Variable symbols of 32-bit counter type or 32-bit counter type
Can be assigned to
devices
Usage