19: COORDINATE CONVERSION INSTRUCTIONS
19-2 OPENNET CONTROLLER USER’S MANUAL
CVXTY (Convert X to Y)
Valid Operands
For the valid operand number range, see page 6-2.
▲ Internal relays M0 through M2557 can be designated as D1. Special internal relays cannot be designated as D1.
When T (timer) or C (counter) is used as S2, the timer/counter current value is read out. When T (timer) or C (counter) is
used as D1, the data is written in as a preset value which can be 0 through 65535.
S1 — Format number
Select a format number 0 through 29 which have been set using the XYFS instruction. When an XYFS instruction
with the corresponding format number is not programmed, a user program execution error will result, turning on spe-
cial internal relay M8004 and the ERROR LED.
S2 — X value
Enter a value for the X coordinate to convert, within the range specified in the XYFS instruction. Although the integer
value can be 0 through +32767, any value out of the range specified in the XYFS results in a user program execution
error, turning on special internal relay M8004 and the ERROR LED.
D1 — Destination to store results
The conversion results of the Y value is stored to the destination. The integer value of the conversion results can be
–32768 through +32767.
Valid Data Types
When a bit operand such as I (input), Q (output), M (internal relay), or R (shift register) is designated as S2 or D1, 16
points (integer data type) are used.
When a word operand such as T (timer), C (counter), D (data register), or L (link register) is designated as S2 or D1, 1
point (integer data type) is used.
Data Conversion Error
The data conversion error is ±0.5.
Operand Function I Q M R T C D L Constant Repeat
S1 (Source 1) Format number ———————— 0 to 29 —
S2 (Source 2) X value XXXXXXXX 0 to 32767 —
D1 (Destination 1) Destination to store results — X ▲ XXXXX ——
W (word) I (integer) D (double word) L (long)
— X ——
When input is on, the X value designated by operand S2 is converted
into corresponding Y value according to the linear relationship defined
in the XYFS instruction. Operand S1 selects a format from a maximum
of 30 XY conversion formats. The conversion result is set to the oper-
and designated by D1.
CVXTY(I) S1
**
S2
*****
D1
*****
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