Omron NJ501-1300, User Manual

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6 Motion Control Programming
6-16
NJ-series CPU Unit Motion Control User’s Manual (W507)
System-defined variables for motion control use both basic data types and derivative data types.
z
Basic Data Types
* BOOL data is only 1 bit in size but it takes up 2 bytes of memory.
Data Types Used for System-defined Variables for Motion Control
Category Data type Size Range of values Notation
Boolean BOOL
2
* TRUE or FALSE TRUE or FALSE
Integer UINT 2 0 to +65,535 Binary expression: "2#" is added to the
front of the number
Octal expression: "8#" is added to the
front of the number
Decimal expression: "10#" is added to the
front of the number
Hexadecimal expression: "16#" is added
to the front of the number
If you do not add any notation to the
beginning of a number, that number is
treated as a decimal number.
Example:
Binary Notation
2#1111_1111
2#1110_0000
Octal Notation
8#377
8#340
Decimal Notation
−
12 0 123_456 +986
10#1234
Hexadecimal Notation
16#FF 16#ff
16#E0 16#e0
UDINT 4 0 to +4,294,967,295
Floating-
point
numbers LREAL 8
−
1.79769313308 to
−
2.22507385850720e
−
308,
0,
2.22507385850720e
−
308 to
1.79769313308,
positive infinity, or negative
infinity
Written as (sign) + intege
(decimal_point) + (decimal_part) + (expo-
nent)
. You can omit items in parentheses.
Example:
2
−
12.0
0.0
0.4560
3.14159_26
−
1.34E-12
−
1.34e-12
1.0E+6
1.0e+6
1.234E6
1.234e6