Omron C200H-ASC11, Manual, Page: 286 / 301

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Formats for Storing Variables in Memory
Appendix D
VARPTR (Variable Name)
Function
Assigns the memory address where the variable value is stored.
Notation Example
B& = VARPTR (A)
Details
• Assigns the memory address to the area where variable data specified for the variable name is stored.
• Shows the address of the pointer to where character data is stored for character variables.
Relationship between Variable Type and VARPTR Address
Rightmost 8 bits
Short integer variable
Leftmost 8 bits
Address
Rightmost position of stored address
Leftmost position of stored address
String array
Address
8 bits
Long integer variable
Leftmost 8 bits Address
8 bits
Rightmost 8 bits
Double-precision real number variable
Address
Rightmost 8 bits of fixed point
Signal and exponent
Middle 8 bits of fixed point
Rightmost 8 bits of fixed point
Single-precision real number variable
Address
Leftmost 7 bits of mantissa
Signal and exponent
Leftmost 7 bits of mantissa