AH500 Programming Manual
6-296
API
Instruction code Operand Function
1219 BRST P
D, n
Resetting the bit in the word device
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
Symbol:
：
Device number Word
n
：
Bit number Word
Explanation:
1. The instruction is used to set the n
th
bit in the register specified by D to 0.
2. When the instruction BRST is driven, the specified bit is set to OFF.
3. The operand n should be within the range between 0 and 15.
Example:
When X0.0 is ON, the ninth bit in D10 is set to 0.
After the instruction
is executed
1 1 1 1 1 1 1 1 1 1
0 0 0 0
1 1
b0
b15
D10
1 1 1 1 1 1 0 1 1 1
1 0 0 0
1 1
b0
b15
D10
Additional remark:
If n is less than 0, or if n is larger than 15, the instruction is not executed, SM0 is ON, and the error
code in SR0 is 16#200B.
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