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6 MOTION PROGRAMS FOR POSITIONING CONTROL
Conversion format Description
64 bit to 32 bit
The 64-bit double precision real number is converted to 32-bit integer type.
Note that any value other than -2147483648 to 2147483647 results in an error.
(Error : 531)
63 51 0
Bits 0 to 51: Significant digit part
Bits 52 to 62: Exponent part
Bit 63: Sign part
Fractional portion is dropped.
Any value other than -2147483648 to
2147483647 results in an error. (Error 531)
31 0
Higher rank bit is handled as a sign bit.
(4) Variable setting (#n : n = integer)
(a) How to handle variable as 16-bit integer
When a #n variable is followed by "S" or ": S", it is handled as a 16-bit
integer. (-32768 to 32767)
[Example]
#0 : [D0]
#1S : [D1]
#2:S : [D2]
Odd numbers may be used as 16-bit specified variables.
(b) How to handle variable as 32-bit integer
Variables are handled as 32 bits. (-2147483648 to 2147483647)
[Example]
Upper Lower Upper Lower
#100:L : [D101, D100] #102:L : [D103, D102]
• When a variable is specified as 2 words (32 bits), only an even number
can be used. The data size of a variable is 4 bytes.
<Example of positioning data setting by variable setting>
O0200;
N99 G90 G00 X#100 Y#110;
G01 X#200 Y#202 F#204;
#300 = #302 - #304;
G91 G00 Z300.;
IF [#310 EQ 1000] GOTO99;
M02;
%
Motion program No. (O) cannot be
set indirectly.
Indirect setting (address, speed,
operational expression)
Direct setting