Hitachi HIDIC MICRO-EH Applications Manual page 114

Item number Arithmetic instructions-19
Ladder format
d = s1 < s2
Instruction format
d = s1 < s2
Usable I/O
d Substitution destination
s1 Comparand
s2 Relational number
Function
•
Substitutes "1" when s1 is less than s2 and otherwise "0" into d, assuming s1 and s2 as binary data.
Notes
•
The combinations of d, s1 and s2 are as follows:
d
Bit
Bit Double word
Program example
R0 = TC100 < TC101
Program description
•
When TC100 < TC101, R0 is set to "1." Otherwise, R0 is reset to "0."
(TC n is the progress value of the no. n timer or counter.)
Name
Condition code
R7F4 R7F3 R7F2
DER ERR SD
Number of steps
Condition
s is a word
s is a double word
Bit
R, TD, SS,
X Y M CU, CT WX WY
s1 s2
Word Word
Double word
5-64
Chapter 5 Instruction Specifications
< Relational expression
Processing time (µs)
R7F1 R7F0
Average Maximum
V C
40
Steps
4 70
6
Word Double word
WR, DR,
WM TC DX DY DM
[
R0 = TC100 < TC101
]
Remark
Upper case: W

Lower case: DW

Other