334
4
4 Instructions4.12.4 Other Peripheral Instructions
◆
Operands
Operand
Bit Element Word Element
System·User System·User Bit Designation Indexed Address Constant
Real
Number
S X Y M T C S SM D R T C SD KnX KnY KnM KnS KnSM
V,Z
Modication K H E
D X Y M T C S SM D R T C SD KnX KnY KnM KnS KnSM
V,Z
Modication K H E
Note: The elements in gray background are supported.
◆
Function
Gray code values are converted to binary equivalents.
S is the gray code value or data variable unit to be converted, in the range 0 to 32,767 in 16-bit operation or
0 to 2,147,483,647 in 32-bit operation. When this range is exceeded, M8067 and M8068 are set to ON and
the instruction is not executed.
D is the unit that stores the BIN value after conversion.
Algorithm for gray code-to-BIN conversion: XOR operation is performed on every bit starting from the
second leftmost bit and the decoded value of a left-hand bit. The result is used as the decoded value of the
bit. The leftmost bit remains unchanged.
Example:
Execution result:
1 0 1 1 0 1 0 1 1 1 0 1
GRY
X23 X10
0 0 0 0 1 1 0 1 1 0 0 1 0 1 1 0
(D20)
BIN
S
D
4.13 Electronic Cam Instructions
Electronic cam instructions
CAMWR Writing electronic cam data
CAMRD Reading electronic cam data
ECAMWR Writing electronic cam oating-point data
ECAMRD Reading electronic cam oating-point data
For details, see
“8.8 Modifying Key Points for Electronic Cams” on Page 576.
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