Hitachi HIDIC MICRO-EH Applications Manual page 117

Item number
Arithmetic instructions-22
Ladder format
d = s1 S<= s2
Command format
d = s1 S<= s2
Usable I/O
d Substitution destination
s1 Comparand
s2 Relational number
Function
Substitutes 1 when s1 is less than or equal to s2 and otherwise 0 into d, assuming s1 and s2 as signed binary data.
s1 and s2 are both signed binary data. When the most significant bit is 0, the value is positive; when the most significant
bit is 1, the value is negative.
s1, s2 – 2147483648 to +2147483647 (decimal)
H80000000 to H7FFFFFFF (hexadecimal)
b31
b16 b15
Sign bit: 0 - Positive; 1 - Negative
Program example
Program description
When the value in DR10 is less than or equal the value in DR100, Y00100 is turned on. Otherwise, Y00100 is turned off.
Name
Condition code
R7F4 R7F3 R7F2
DER ERR SD
Number of steps
Condition
s is a double word
Bit
R,
TD, SS,
X Y L, WX WY
CU, CT
M
b0
Y00100 = DR10 S<= DR100
5-67
Chapter 5 Instruction Specifications
Signed ≤ Relational expression
Processing time (
R7F1 R7F0
Average Maximum
V C
50
Steps
6
Word Double word
WR, DR,
TC DX DY
WM DM
[
Y00100 = DR10 S<= DR100
]
µ Remark
s)

Other