AH500 Programming Manual
6-88
API
Instruction code
Operand Function
0208 D GRY P
S, D
Converting the binary number into
the Gray code
Device
X Y M S T C HC D L SM SR E PR K 16# “$” DF
Pulse instruction
16-bit instruction (5 steps)
32-bit instruction (5 steps)
Symbol:
S
：
Source device Word/Double word
D
：
Conversion result Word/Double word
Explanation:
1. The binary value in the device specified by S is converted into the Gray code, and the
conversion result is stored in the device specified by D.
2. Only the instruction DGRY can use the 32-counter.
3. The value in the operand S should be within the available range.
The value in the operand S used in the 16-bit instruction should be within the range between 0
and 32,767.
The value in the operand S used in the 32-bit instruction should be within the range between 0
and 2,147,483,647.
Example:
When X0.0 is ON, the constant 6513 is converted into the Gray code, and the conversion result is
stored in Y1.0~Y1.15.
0 0 0 1 1 10 0 0 1 1 1 10 0 0
b15
b0
K6513=H1971
0 0 0 0 0 0 0 0 0 1111111
Y1
Y1.15
Y1.0
GRAY 6513
Additional remark:
If the value in S is less than 0, the operation error occurs, the instruction is not executed, SM0 is ON,
and the error code in SR0 is 16#2003.
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