Chapter 5 Instruction Specifications
5-62
Item number Arithmetic instructions-17 Name <> Relational expression
Ladder format Condition code Processing time (µs) Remark
R7F4 R7F3 R7F2 R7F1 R7F0 Average Maximum
d = s1 <> s2 DER ERR SD V C
zzzzz 60
Instruction format Number of steps
Condition Steps
d = s1 <> s2 s is a word 4 46
s is a double Word 6
Bit Word Double word
Usable I/O XY
R,
M
TD, SS,
CU, CT WX WY
WR,
WM TC DX DY
DR,
DM
Constant
Other
d Substitution destination {{
s1 Comparand {{{{{{{{
s2 Relational number {{{{{{{{
Function
•Substitutes 1 when s1 is not equal to s2 and otherwise 0 into d, assuming s1 and s2 as binary data.
Notes
•The combinations of d, s1 and s2 are as follows:
ds1s2
Bit Word Word
Bit Double word Double word
Program example
Y00000= WR0000 < > WR0001
[
Y00000= WR0000 < > WR0001
]
Program description
•When WR0000 ≠ WR0001, “1” is set in Y00000. Otherwise, Y00000 is reset to “0.”
d = s1 <> s2