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6 BASIC INSTRUCTIONS
6.4 Bit Processing Instructions
Resetting a bit in the word device
BRST(P)
These instructions reset (to 0) (n)th bit of word device specified by (d).
■Descriptions, ranges, and data types
■Applicable devices
• These instructions reset (to 0) (n)th bit of word device specified by (d).
• If (n) exceeds 15, the processing will be done based on the lower 4 bits of (n).
There is no operation error.
Ladder diagram Structured text
ENO:=BRST(EN,n,d);
ENO:=BRSTP(EN,n,d);
Operand Description Range Data type Data type (label)
(d) Head device for which bit is to be reset 16-bit signed binary ANY16
(n) Number of bit(s) to be reset 0 to 15 16-bit unsigned binary ANY16
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB
U\G T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U\G Z LC LZ K, H E $
(d)
(n)
K11
D10BRSTP
D10
110 10 0110 1011011
··· ···b15 b11 b0b1
D10
110 00 0110 1011011
··· ···b15 b11 b0b1
These bits become "0".